Embodiment
Below, with reference to the accompanying drawings, with having applied digital camera of the present invention, preferred implementation is described.The digital camera of a preferred execution mode of the present invention has image pickup part, by this image pickup part, shot object image is converted to view data, and according to the view data after this conversion, in the display part that is disposed at the main body back side, displaying live view shows shot object image.Cameraman observes displaying live view and shows, determines thus composition and shutter chance.When releasing operation, recording image data in recording medium (image storage part).Select, after reproduction mode, can in display part, reproduce and be presented at the view data recording in recording medium.
Fig. 1 is the block diagram of structure that the digital camera of an embodiment of the invention is shown.Control part (CPU:Central Processing Unit) 11 moves according to the control program being stored in program and data store 13, carries out the integral body of digital camera and controls.In control part 11, be provided with and adjust control part 12, in this adjustment control part 12, be provided with whole adjustment part 12a, the 12b of partial adjustment portion, display control unit 12c.Adjustment control part 12 in control part 11, whole adjustment part 12a, the 12b of partial adjustment portion, display control unit 12c are all parts of the processing carried out by control program, so the function part comprising as control part 11 describes.
Adjust control part 12 and carry out the adjustment relevant with the image quality of lightness or focus etc., there is the 12b of partial adjustment portion that carries out the whole whole adjustment part 12a adjusting, carries out partial adjustment and the display control unit 12c that the adjustment based on adjustment control part 12 is controlled with the demonstration of image.Whole adjustment part 12a carries out the adjustment relevant with the specific image quality of lightness or focus etc. for integral image.
And the 12b of partial adjustment portion has part 1 adjustment part 12b1 and part 2 adjustment part 12b2.Part 1 adjustment part and part 2 adjustment part 12b1,12b2, in the integral image of having been adjusted by whole adjustment part 12a after the specific image quality of lightness or focus etc., according to a part of image of the different differentiation of value difference of specific image quality, further carry out the adjustment relevant with specific image quality.
For example, as specific image quality, carry out in the situation of adjustment of lightness, as shown in Figure 7, this adjustment is carried out in the change of transformation curve that can be when output being carried out to γ conversion with respect to input.In integral body is adjusted, from dark-part P2 to highlights, divide P1 in interior integral body, the curve L of γ conversion (central value shown in single-point line) to be changed comprising.On the other hand, in partial adjustment, only for the input corresponding with dark-part P2 or with highlights, divide the curve (L1~L4 or L ' 1~L ' 4) of arbitrary input change γ conversion of the input that P1 is corresponding, carry out the adjustment of image quality.
Display control unit 12c carries out following demonstration and controls: in display part 27, show side by side for inputting integral body adjustment for the adjustment indication of whole adjustment part 12a with menu with for inputting the partial adjustment menu of indicating for the adjustment of the 12b of partial adjustment portion.In addition, use Fig. 2 to narrate in the back the integral body adjustment of being undertaken by whole adjustment part 12a and the partial adjustment being undertaken by the 12b of partial adjustment portion.
Control part 11 is connected with data store 13, push-botton operation portion 14 and bus 30 with program.As mentioned above, in program and data store 13, store the program of carrying out and the various data of now using in control part 11.And, also store the view data of menu image for showing etc. when displaying live view described later shows.Push-botton operation portion 14 comprises for making user contrast the various functional units that camera is given indication, and to control part, 11 outputs represent the detection signal of mode of operation.As various functional units, there is power knob, release-push, cross button, in real time to lead key, return push-button etc.
Except described control part 11, bus 30 is also connected with image pickup part 20, SDRAM 21, image processing part 22, Graphics Processing portion 26, compressed and decompressed portion 23 and record-playback portion 24.Image pickup part 20 comprise be used to form shot object image phtographic lens, carry out the phtographic lens driving mechanism of the driving of this phtographic lens, for shot object image being converted to the imaging apparatus of view data and inserting the aperture of light path of these treatment circuits and phtographic lens and shutter etc.The view data of the digital form being generated by image pickup part 20 is output to bus 30.
And, in image pickup part 20, be provided with AF control part 20a.AF control part 20a extracts the radio-frequency component of view data, so that this radio-frequency component becomes the mode of peak value, phtographic lens driving mechanism is driven, and regulates the focal position of phtographic lens.
SDRAM (Dynamic Random Access Memory) the 21st, the volatibility temporary storage of can electricity rewriting, the view data for interim storage from image pickup part 20 outputs.Image processing part 22 carries out processing from the image of the view data of image pickup part 20 outputs, has gain adjustment part 22a, the 22b of gradation conversion portion, the 22c of low-pass filtering portion and contrast adjustment part 22d.
Gain adjustment part 22a carries out amplifying (digital gain adjustment processing) from the numeral of the view data of image pickup part 20 outputs.That is,, by adjusting the gain of each data of the RGB in view data, regulate the lightness of integral image.When adjusting, by improving magnification ratio, integral image is brightened, by reducing magnification ratio, make integral image dimmed.In addition, be not limited to each data of RGB, also can use other data such as chromatism data.
The characteristic of the gamma curve when 22b of gradation conversion portion change is changed carry out γ from the view data of image pickup part 20 outputs.The 22b of this gradation conversion portion is according to the control of described part 1 adjustment part 12b1, change is to dividing input that P1 is corresponding to carry out the characteristic (being L1~L4) of the gamma curve of γ while changing in the example shown in Fig. 7 with highlights, and, according to the control of part 2 adjustment part 12b2, change the characteristic (being L ' 1~L ' 4) of the input corresponding with dark-part P2 being carried out to the gamma curve of γ while changing in the example shown in Fig. 7.
The 22c of low-pass filtering portion carries out pixel addition each other in adjacent pixel, and carries out low-pass filtering treatment, reduces the resolution (acutance, resolution sense, focusing sense) of image.And the 22c of low-pass filtering portion can regulate respectively part and the low part of resolution that resolution is high individually.; can distinguish individually according to the control of described part 1 adjustment part 12b1; for the input that the part higher with resolution is corresponding, carry out low-pass filtering treatment, and according to the control of part 2 adjustment part 12b2, for the input that the part lower with resolution is corresponding, carry out low-pass filtering treatment.
Contrast adjustment part 22d carry out image contrast, be that the highlights of image divides the adjustment with the luminance difference of dark-part.By improving contrast, can make the marginal portion of image become distinct, and, by reducing contrast, can make the marginal portion of image become level and smooth and focus is thickened.And contrast adjustment part 22d can regulate respectively part and the low part of contrast that contrast is high individually.; can distinguish individually according to the control of described part 1 adjustment part 12b1; for the part higher with contrast, contrast adjustment processing is carried out in corresponding input; and according to the control of part 2 adjustment part 12b2, for the part lower with contrast, contrast adjustment processing is carried out in corresponding input.
Except described image is processed, image processing part 22 also carries out white balance, color correction, displaying live view and shows the various images processing with image generations, dynamic image generation etc.As color correction, also carry out chroma adjustment and hue adjustment.And compressed and decompressed portion 23 is following circuit: by the compress mode of JPEG or TIFF etc., compress be stored in still image in SDRAM 21 or the view data of dynamic image temporarily, and decompress to show etc.In addition, image compression is not limited to JPEG or TIFF, also can apply other compress modes.
Graphics Processing portion 26 carries out displaying live view demonstration in when photography, when reproducing in display part 27 display reproduction image.And, according to the indication from display control unit 12c, carry out menu for whole adjustment described later, partial adjustment to synthesize with the image of menu etc. the synthetic processing of displaying live view image.Display part 27 is connected with Graphics Processing portion 26, has the display at the LCD monitor of the configurations such as the back side of the main body of camera 10 or organic EL etc.By the control of Graphics Processing portion 26, in the picture of display part 27, show specified image.
Record-playback portion 24 is stored in compressed and decompressed portion 23 view data of compression in image storage part 25, and, read out in the view data of the photographs of storage in image storage part 25.The view data of in compressed and decompressed portion 23, this being read decompresses, and the view data after decompressing according to this is reproduced and shown image in display part 27.Image storage part 25 is connected with record-playback portion 24, is to be built in the recording medium that maybe can be installed on the view data of digital camera main body in digital camera main body.
Then, use Fig. 2 to describe adjusting integral body adjustment and the partial adjustment of control part 12.By the image quality of adjusting control part 12 adjustment, have lightness, focus etc., the adjustment of these image quality is as described below.First, the integral body adjustment of lightness has based on the gain gain adjustment of adjustment part 22a and the adjustment of the aperture based on image pickup part 20 or shutter.
For carrying out gain adjustment that the integral body of lightness adjusts corresponding to the adjustment of ISO photosensitivity, by improving ISO photosensitivity, become whole bright image, by reducing ISO photosensitivity, become whole dark image.And, by opening aperture, become whole bright image, by stop down, become whole dark image.And then, by the shutter speed that slows down, become whole bright image, by accelerating shutter speed, become whole dark image.
And the partial adjustment of lightness is for example undertaken by the 22b of gradation conversion portion.As mentioned above, the 22b of gradation conversion portion can divide P1 and dark-part P2 to change individually respectively the curve of γ conversion for highlights.Therefore, can carry out partial adjustment, so that divide corresponding input further to brighten with highlights or dimmed, the input corresponding with dark-part is further dimmed or brighten.About the partial adjustment of lightness, except the 22b of gradation conversion portion, can also adjust by gain adjustment part 22a.That is, only highlights is divided or the gain of dark-part is adjusted into higher or lower.
Then, by AF control part 20a, undertaken adjusting for the integral body of focus.And AF control part 20a can, according to user's indication, come the focal position of manual adjustments phtographic lens by phtographic lens driving mechanism.Therefore, can automatically regulate by AF control part 20a the focal position of integral image, and then, can also, by manual operation, make focal position to front side or rear side skew.
And, for the partial adjustment of focus, by contrast adjustment part 22d and the 22c of low-pass filtering portion, undertaken.Part 1 adjustment is focusing and can realize the adjustment of clear view, and in the present embodiment, by contrast adjustment part, 22d regulates.Part 2 adjustment is the adjustment of not focusing, in other words defocusing, and in the present embodiment, by the 22c of low-pass filtering portion and contrast adjustment part 22d, regulates.
Then, use Fig. 3~Fig. 7 to describe integral body adjustment and the partial adjustment of the lightness of present embodiment.Fig. 3 (a) is the starting image (acquiescence picture) that the displaying live view in display part 27 shows.About displaying live view, show, the view data according to from image pickup part 20 outputs in order to observe shot object image, and shows as dynamic image in display part 27.Cameraman observes this displaying live view and shows, determines that composition and shutter are regularly.
In the starting image shown in Fig. 3 (a), when cameraman press as one of push-botton operation portion 14 in real time to lead key time, as shown in Fig. 3 (b), show real-time guide display.In real-time guide display, the right side at the picture of display part 27, shows with the displaying live view doubling of the image project menu 50 that real-time guide is used.As project menu 50, show the 1st icon 51a, the 2nd icon 51b, these 4 icons of the 3rd icon 51c, the 4th icon 51d.
The 1st icon 51a is chroma adjustment icon, and chroma is adjusted, so that the color of picture becomes distinct, or makes on the contrary color become soft.The 2nd icon 51b is focus condition adjustment icon, and focusing is adjusted, so that nearby or thoroughly fuzzy at a distance, or on the contrary from nearby to focusing at a distance.The 3rd icon 51c is light and shade adjustment icon, and the light and shade of picture is adjusted, so that picture brightens, or makes on the contrary picture dimmed.The 4th icon 51d is hue adjustment icon, makes picture with redness, be adjusted into the tone of warm atmosphere, or makes on the contrary picture with blueness, be adjusted into the tone of cold atmosphere.
About in each icon 51a~51d showing in project menu 50, the icon of current appointment, can move it by the cross button of action button operating portion 14, by OK button, select.Surrounding at the icon of current appointment shows for the cursor 52 of moving direction is shown.And upside or the downside display items display guide 53 of the picture of display part 27, the project of the icon of 53 pairs of appointments of this project guide describes.
In the example shown in Fig. 3 (b), specified for adjusting the 1st icon 51a of chroma, downside at the 1st icon 51a shows for the cursor 52 of the moving direction of cross button is shown, and, at picture upside, show " make color become distinct/make color become soft ", as the project guide 53 of the 1st icon 51a.User watches this project guide 53, thus, can know the adjustment content of the 1st icon.
While pressing the lower directionkeys of cross button under the state shown in Fig. 3 (b), cursor 52 is according to the ordinal shift of the 2nd icon 51c → 4th, icon 51b → 3rd icon 51d.In the 2nd icon 51b and the 3rd icon 51c, cursor 52 can move up and down, so, at the display highlighting up and down 52 of each icon.In the example shown in Fig. 3 (c), specified the 3rd icon 51c, so, show that " brightening/dimmed ", as project guide 53, illustrates the situation that can carry out light and shade adjustment.
In the appointment shown in Fig. 3 (c) under the state of the 3rd icon 51c, the OK button in user's action button operating portion 14 and while selecting the 3rd icon 51c, as shown in Fig. 4 (a), shows and carries out the picture that the light and shade (brightness) of integral image is adjusted.In the light and shade (brightness) of this image, adjust in picture, the right side at the picture of display part 27, shows whole slide sign 55 and slide block 56, as the integral body adjustment menu of real-time guide.Inside at slide block 56 shows the 3rd icon 51c, to selected adjustment content is shown.
Slide block 56, according to the operation of the up and down arrow keys of cross button, moves up and down along whole slide sign 55, and the upper-lower position of slide block 56 illustrates lightness.And, in upper right side and the lower right of picture, show respectively project guide 53a, 53b for the project of adjusting by whole slide sign 55 and slide block 56 is described.In the example shown in Fig. 4 (a), just to have switched to after light and shade adjusts picture, so, slide block 56 is positioned at the central point (center) of adjusting range, when slide block 56 is moved up, in project guide 53a, show " brighter ", when slide block 56 is moved down, in project guide 53b, show " darker ".
In addition, as shown in the enlarged drawing of Fig. 4 (d), in the surrounding of slide block 56, show the arrow of the direction that represents that slide block 56 can move, as cursor 52a~52c.That is, display highlighting 52a in the situation that slide block 56 can move up, display highlighting 52b in the situation that slide block 56 can be moved to the left, display highlighting 52c in the situation that slide block 56 can move down.User watches cursor, can judge the direction that can move, thereby cross button is operated.
While pressing the upper directionkeys in cross button under the state shown in Fig. 4 (a), slide block 56 moves up along whole slide sign 55, and as shown in Fig. 4 (b), the lightness of the picture integral body of display part 27 increases.And while pressing the lower directionkeys in cross button, slide block 56 moves down along whole slide sign 55, as shown in Fig. 4 (c), the lightness of the picture integral body of display part 27 reduces.In addition, in the example shown in Fig. 4, can proofread and correct with the correcting value of maximum 2EV respectively, so that image brightens or make image dimmed.
In the picture shown in Fig. 4, the light and shade of integral image is adjusted, still, in the situation that user only wishes high brightness or low-light level partly to adjust, user presses the button the LeftArrow of the cross button in operating portion 14.By this operation, as shown in Fig. 5 (a), in the integral body adjustment of guide in real time, use on the basis of menu, also display section adjustment menu.
That is,, in the left side of whole slide sign 55, with whole slide sign 55 display section slide sign 55a abreast, also show the slide block 56a moving up and down along this part slide sign 55a.In slide block 56a, show the 3rd icon 51c having selected, and,, at 4 places, show the cursor 52 of the direction that expression can be moved by cross button at slide block 56a around.By part slide sign 55a and slide block 56a, form part 1 adjustment menu.By this part 1 adjustment, with menu, can carry out the partial adjustment of high brightness (bright) part.
And, on whole slide sign 55, show for the indicating device 57 of current adjustment position of the brightness of integral image is shown.That is, making slide block 56 after high brightness side or low-light level side shifting, sometimes carry out partial adjustment, still, indicating device 57 illustrates the correcting value of integral image now.
Above the picture of display part 27, when slide block 56a is moved up, show the project guide 53a that represents " highlights being divided brighter ".And, below the picture of display part 27, when slide block 56a is moved down, show the project guide 53b that represents " highlights being divided dimmed ".
Under the state of Fig. 4, operate the LeftArrow of cross button, showing that part 1 adjustment is with under the initial conditions of menu, as shown in Fig. 5 (a), slide block 56a is positioned at the center of part slide sign 55a.Under this state, the lower directionkeys of operation and when slide block 56a is moved down, as shown in Fig. 5 (b), carry out Image Adjusting, so that the highlights in image divides is dimmed.Its result, adjusts, so that cloud 61 or this highlights of the sun 62 divide dimmed.
And, at the slide block 56a shown in Fig. 5 (a), being positioned under the state of center, directionkeys in operation and when slide block 56a is moved up, as shown in Fig. 5 (c), carry out Image Adjusting, brightens so that the highlights in image divides further.Its result, adjusts, so that cloud 61 or this highlights of the sun 62 divide further, brightens.
And, as shown in Fig. 4 (b), comparing with correct exposure under the state that has increased lightness, while operating the LeftArrow of cross button, become the menu screen that the partial adjustment shown in Fig. 6 (a) is used.Under the state of Fig. 4 (b), integral body is adjusted into high brightness, so integral body brightens.Under this state, when slide block 56a is moved up, become the brighter image shown in Fig. 6 (b).Become cloud 61 or this highlights of the sun 62 and divide the almost image of whiting.
In Fig. 5 (a), in the left side of part slide sign 55a, with part slide sign 55a display section slide sign 55b abreast.While operating the LeftArrow of a cross button in part 1 is adjusted menu screen, or adjust while operating twice LeftArrow in menu screen in integral body, as shown in Fig. 6 (c), become part 2 and adjust menu screen.
In part 2, adjust in menu screen, the slide block 56b that demonstration is moved along part slide sign 55b, in this slide block 56b, show the 3rd icon 51c having selected, and, on upper and lower and right side, add up to 3 places to show the cursor 52 of the direction that expression can be moved by cross button at slide block 56b around.By part slide sign 55b and slide block 56b, form part 2 adjustment menu.By this part 2 adjustment, with menu, can carry out the partial adjustment of low-light level part.
In addition, hi-lite is illustrated in image brightness higher than the part of regulation brightness value, and low-light level is partly illustrated in image brightness lower than the part of regulation brightness value.In regulation brightness value, for example, set the mean flow rate of integral image.And, can with by integral body adjustment, undertaken adjusting after brightness change linkedly regulation brightness value.That is, can adjust in menu screen and be adjusted in bright image in integral body, compared with highland, set setting.
Example shown in Fig. 6 (c) is the situation of 2 LeftArrows of pressing under the state of Fig. 4 (c).That is, be following situation: in Fig. 4 (c), be adjusted into integral body dark, and then, by part 2 adjustment, with menu, be adjusted into the darker or contrary dark-part of dark-part and brighten.In Fig. 6 (c), slide block 56b is positioned at part slide sign 55b center, under this state, below operation during to key, as shown in Fig. 6 (d), carries out partial adjustment, so that dark-part is darker.
Like this, in the present embodiment, in the situation that carrying out partial adjustment for lightness, for the highlights in gamma curve, divide the curve characteristic of P1 and dark-part P2 to adjust separately.That is, the line of the single-point shown in Fig. 7 L is the central value of gamma curve.Centered by this center curve, in the situation that dividing P1 to adjust to highlights, the curve of P1 part is adjusted.Will make highlights divide brighter in the situation that, making the curvilinear motion of P1 part is this specific character of L3~L4.And, make highlights divide dimmed in the situation that, making the curvilinear motion of P1 part is this specific character of L1~L2.Equally, in the situation that dark-part P2 is adjusted, the curve of P2 part is adjusted.In the situation that will making dark-part brighten, making the curvilinear motion of P2 part is L ' 1~L ' 2 these specific characters.And in the situation that will making dark-part darker, making the curvilinear motion of P2 part is L ' 3~L ' 4 these specific characters.
Then, use Fig. 8~Figure 10 to describe adjusting the situation of focus.In the present embodiment, the integral body adjustment of focus is undertaken by the phtographic lens driving mechanism of image pickup part 20, and the partial adjustment of focus is undertaken by the 22c of low-pass filtering portion and contrast adjustment part 22d.
First, use Figure 10 that focus (differentiating sense, the focusing sense) adjustment of the part of being undertaken by contrast adjustment is described.One example of original signal curve when Figure 10 (a) illustrates transverse axis and gets location of pixels, the longitudinal axis and get intensity level.By contrast adjustment part 22d, this original signal curve is carried out to contrast while emphasizing to process, as shown in Figure 10 (b), emphasized the marginal portion of image, can access the image of just in time focusing (differentiating sense high).On the other hand, while carrying out contrast reduction processing by contrast adjustment part 22d, as shown in Figure 10 (c), the marginal portion that can access image is lax, and the fuzzy image of focus.By the frequency content to image, analyze, carry out focusing part and non-focusing judgement partly on picture.For example, by the many region decision of radio-frequency component, be focusing part, by the few region decision of radio-frequency component, be non-burnt part.
Contrast adjustment part 22d can be only for only having extracted the view data of radio-frequency component or only having extracted the view data of low-frequency component, carry out that contrast is emphasized to process or contrast reduces and processes.Or contrast adjustment part 22d also can implement contrast to the many regions of radio-frequency component and emphasize to process, and contrast reduction is implemented in the few region of radio-frequency component and process.Like this, can implement the following processing: only the part for relative focusing makes focus clear, or only the part for relatively non-focusing defocuss.
And, by the 22c of low-pass filtering portion, implement low-pass filtering treatment, reduce thus radio-frequency component, so, can access and defocus identical effect.And the 22c of low-pass filtering portion can be only carries out low-pass filtering treatment for the view data of only having extracted the view data of radio-frequency component or only having extracted low-frequency component.Or the 22c of low-pass filtering portion also can implement low-pass filtering treatment to the many regions of radio-frequency component or the few region of radio-frequency component.Like this, can implement the following processing: only for the part of relative focusing or only defocus for the part of relatively non-focusing.
Then, use Fig. 8 and Fig. 9 explanation to carry out the guide menu demonstration that above-mentioned this focus is adjusted.Fig. 8 (a) illustrates following state: in the real-time guide display shown in Fig. 3 (b), use cursor 52 to specify the 2nd icon 51b.When pressing OK button and selecting the 2nd icon 51b under this state, as shown in Fig. 8 (b), show whole slide sign 55 and the slide block 56 moving up and down along this integral body slide sign 55.Show whole slide sign 55 and slide block 56 adjustment menu as a whole.
And, on the picture top of display part 27, slide block 56 is moved up, thus, display list is shown in front focus, with respect to the project guide 53a of the state of the nearby side focusing of AF focal position.And, in the picture bottom of display part 27, slide block 56 is moved down, thus, display list is shown in back focus, with respect to the project guide 53b of the state of the distally focusing of AF focal position.
In real-time guide display, selecting under the state of the 2nd icon 51b, as shown in Fig. 9 (a), slide block 56 is positioned at the substantial middle of slide sign 55.While slide block 56 being moved up and down by operation cross button, according to amount of movement, the phtographic lens driving mechanism travelling shot camera lens of image pickup part 20, so, as a whole, hand-driven moving oving foci position.
And, in the situation that user wishes focusing part or the fuzzy part of focus further to adjust, press the LeftArrow of cross button, carry out the partial adjustment menu shown in Fig. 9 (b)~(e) and show.In partial adjustment menu shows, same with the situation that focus is adjusted, at the left side of whole slide sign 55 and its display section slide sign 55a, 55b concurrently.Display section slide sign 55a and slide block 56a are as part 1 adjustment menu, and display section slide sign 55b and slide block 56b are as part 2 adjustment menu.
In the situation that only operating a LeftArrow, show the slide block 56a moving up and down along part slide sign 55a.Under this state, on the picture top of display part 27, when slide block 56a is moved up, by this operation, show the project guide 53a that represents " focusing clearer ".And, in picture bottom, when slide block 56a is moved down, by this operation, show the project guide 53b that represents " focusing fuzzyyer ".User operates slide block 56a along the indication of this project guide 53a, 53b.
That is,, when slide block 56a is moved up, as shown in Fig. 9 (b), real-time image processing, so that the further focusing of the focusing of shot object image part.On the other hand, when slide block 56a is moved down, as shown in Fig. 9 (c), real-time image processing, so that the focus of the focusing of subject part is fuzzy.By this part 1 adjustment menu, can differentiate to focusing part the partial adjustment of sense (focusing sense).
And, during twice LeftArrow of operation, show the slide block 56b moving up and down along part slide sign 55b.Under this state, on the picture top of display part 27, when slide block 56b is moved up, by this operation, show the project guide 53a that represents " non-focusing is clearer ".And, in picture bottom, when slide block 56b is moved down, by this operation, show the project guide 53b that represents " non-focusing is fuzzyyer ".User operates slide block 56b along the indication of this project guide 53a, 53b.
That is,, when slide block 56b is moved up, as shown in Fig. 9 (d), real-time image processing, so that the non-focusing part focusing of shot object image.On the other hand, when slide block 56b is moved down, as shown in Fig. 9 (e), real-time image processing, so that the focus of the non-focusing part of subject is fuzzyyer.By this part 2 adjustment menu, can differentiate to non-focusing part the partial adjustment of sense (focusing sense).
In addition, focusing part presentation video medium-high frequency composition is higher than the part of setting, and non-focusing part presentation video medium-high frequency composition is lower than the part of setting.As setting, for example can use predefined default value, also can use the mean value of image at every turn.And, also can change linkedly setting with the adjusted value based on integral body adjustment.That is, in integral body, adjust in menu screen, in the situation that focus is adjusted to the position being offset forwards, backwards than original position, can set setting compared with lowland.
In addition, as mentioned above, the image defocusing is processed and is undertaken by the 22c of low-pass filtering portion and contrast adjustment part 22d.And as mentioned above, the image of focusing is processed and is undertaken by contrast adjustment part 22d.
Then, use the flow chart shown in Figure 11~Figure 13 to describing for carrying out the flow process of the photograph mode of present embodiment.According to the program of storage in program and data store 13, by control part 11, carry out this flow process.Enter after photograph mode, first, determine whether and show real-time guide (S11).Action button operating portion 14 in real time to lead key time, in the picture of display part 27, show real-time guide, so, in this step, determine whether and operated in real time to lead key.
In the situation that the result of determination of step S11 is not for to carry out real-time guide display, carry out common displaying live view demonstration (S13).Here, by 22 pairs of view data of exporting from image pickup part 20 of image processing part, process, by Graphics Processing portion 26, in display part 27, carry out displaying live view demonstration.Cameraman decides composition by observing displaying live view demonstration, can carry out shutter release.
In the situation that the result of determination of step S11 is for showing real-time guide, then, carry out the processing (S12) that real-time guide display is used.Here, adjust with menu or partial adjustment menu with the overlapping demonstration of displaying live view is whole, and, carry out the image processing consistent with cursor movement etc.Using Figure 12 to describe in the back this real-time guide display in detail processes.
In step S12, carry out after real-time guide display processing, or in step S13, carry out after displaying live view demonstration, then, determine whether and carried out releasing operation (S14).User, determine composition and determine to carry out, after shutter release, pressing the button the release-push of operating portion 14, so, here, determine whether and supress release-push.
In the situation that the result of determination of step S14 is to have carried out releasing operation, then, carry out photograph processing (S15).In photograph processing, by 22 pairs of view data of exporting from image pickup part 20 of image processing part, carry out image processing, by compressed and decompressed portion 23, undertaken, after image compression, being stored in image storage part 25.
In step S15, carry out after photograph processing, or in the situation that the result of determination of step S14, for not carrying out releasing operation, is followed, determine whether and carried out power supply opening operation (S16).In this step, according to the mode of operation of the power knob of push-botton operation portion 14, judge.In result of determination, for do not carry out power supply opening operation in the situation that, return to step S11, carry out described action.On the other hand, in result of determination, for carried out power supply opening operation in the situation that, carry out power supply disconnection process, finish the action of photograph mode.
Then, with the flow chart shown in Figure 12, come the real-time guide display in description of step S12 to process.Enter after this flow process, first, determine whether starting (S21).In guide display is processed in real time, when entering for the first time, show the default image of the real-time guide shown in Fig. 3 (b), so, in this step, determine whether for the first time and enter.
In the situation that the result of determination of step S21 is starting (entering for the first time), generate and show the project menu image (S22) of acquiescence.Project menu image is stored in program and data store 13, so, read this view data, as shown in Fig. 3 (b), overlapping display items display menu image in displaying live view shows.
In step S22, carry out after the generation demonstration of project menu image, or in the situation that the result of determination of step S21 is non-starting, then, determine whether in project menu shows (S23).Here, judgement is to show the project menu shown in Fig. 3 (b), still shows menu or menu (hereinafter referred to as adjustment menu) for partial adjustment for the integral body adjustment shown in Fig. 4 (a) or Fig. 5 (a).
If the result of determination of step S23 is in the demonstration in project menu, follow, judge the indication (S24) of whether having carried out cursor movement in this project menu.As mentioned above, the up and down arrow keys of the cross button by action button operating portion 14, the appointment that can change icon 51a~51d.Therefore,, in this step, determine whether and operated up and down arrow keys.
In the situation that the result of determination of step S24 is to have carried out cursor movement, then, the cursor of mobile project menu (S25).Here, according to the mode of operation of up and down arrow keys, change successively the appointment of icon 51a~51d, display highlighting 52 in specified icon 51a~51d.
In step S25, carry out after cursor movement, or in the situation that the result of determination of step S24 is not have instructs cursor to move, then, determines whether and carried out adjusting the switching indication (S26) showing with menu.While operating LeftArrow in project menu shows, carry out the demonstration of menu for the adjustment shown in Fig. 4 (a) or Fig. 5 (a), so, in this step, judge the mode of operation of LeftArrow.
In the situation that the result of determination of step S26 adjusts for existing the switching indication showing with menu, show adjustment for the menu (S27) corresponding with cursor project.For example, as shown in Fig. 4 (a), while operating LeftArrow under the state of having specified the 3rd icon 51c, show real-time guide, integral body and the partial adjustment menu shown in this real-time guide display Fig. 5 (a).
In the situation that the result of determination of step S23, for being not in the demonstration in project menu, then, is adjusted the demonstration (S31) with menu.In this real-time guide display, for example, as shown in Fig. 5 (a), show the whole whole slide sign 55 of use and part slide sign 55a, the 55b that partial adjustment is used of adjusting.And, according to selected slide sign 55,55a, 55b, show slide block 56,56a, 56b.
Adjusting with in the demonstration of menu, then, determining whether to exist and return to the switching indication (S32) that project menu shows.Here, during operation return push-button, return to project menu and show, thus the mode of operation of judgement return push-button.In the situation that this result of determination is for there being the switching indication showing for project menu, carry out project menu demonstration (S33).Here, carrying out the project menu shown in described Fig. 3 (b) shows.
On the other hand, in the situation that the switching indication of the result of determination of step S32 for not showing for project menu then, judged and adjusted with the indication (S34) that whether has cursor movement in menu.As mentioned above, cursor movement is carried out in the operation of the directionkeys up and down by cross button, so, here, determine whether and operated cross button.
In the situation that the result of determination of step S34 is to have carried out cursor movement indication, then, carries out Altered Graphs picture and generate processing (S35).Here, according to selected real-time guide, carry out image processing.For example, in the situation that selected the 3rd icon 51c that image light and shade is adjusted and moved slide block 56,56a, 56b, according to the amount of movement of slide block, image light and shade is adjusted.Use Figure 13 to describe in the back this Altered Graphs picture in detail and generate processing.
Carry out after the processing of step S27, S33, S35, or in the situation that the result of determination of step S26 is not for adjusting the switching indication showing with menu, or in the situation that the result of determination of step S34 is there is no cursor movement indication, under the state of adjusting with menu demonstration, return to original flow process.
Then, with the flow chart shown in Figure 13, come the Altered Graphs picture in description of step S35 to generate processing.Enter after this flow process, first, judge the project selected in guide be in real time whether " lightness " (S41).When the project menu shown in Fig. 3 (b) shows, in the situation that selected the 3rd icon 51c for image light and shade is adjusted, show whole slide sign 55, part slide sign 55a, the 55b of the lightness adjustment use shown in Fig. 4 (a), Fig. 5 (a).Therefore,, in this step, determine whether and selected the 3rd icon 51c.
In the situation that the result of determination of step S41, for having selected " lightness ", then, judges whether slide block moves (S42) in whole slide sign.In the situation that user has adjusted the light and shade of integral image, by operation up and down arrow keys, the slide block 56 moving up and down along whole slide sign 55 is moved.In this step, judge the movement of slide block 56.
In the result of determination of step S42 in whole slide sign, slide block moves in the situation that, according to the adjustment (S43) that gains of the position of slide block.Here, by the gain adjustment part 22a in image processing part 22, ISO photosensitivity is adjusted, or the f-number of image pickup part 20 or shutter speed value are adjusted, thus, carry out the adjustment of the lightness of integral image.
In the result of determination of step S42, in the situation that do not carry out the movement of slide block in whole slide sign, then, judge the movement (S44) of whether having carried out slide block in part slide sign.In the situation that user only image middle light is divided or the light and shade of dark-part is adjusted, the slide block 56a, the 56b that along part slide sign 55a, 55b, move up and down are moved.In this step, judge the movement of slide block 56a, 56b.
Result of determination at step S44 is, the in the situation that of existing slide block to move in part slide sign, then, according to the position of slide block, to carry out gray scale adjustment (S45).As use as described in Fig. 5 and Fig. 6, in the situation that having operated slide block 56a, carry out the light and shade adjustment that image middle light divides, in the situation that having operated slide block 56b, carry out the light and shade adjustment of dark-part in image.
In the result of determination of step S41 in the situation that the project of selecting in guide is not in real time " lightness ", then, judge the project selected in guide be in real time whether " focus " (S51).When the project menu shown in Fig. 3 (b) shows, in the situation that selected the 2nd icon 51b for figure image focus is adjusted, show whole slide sign 55, part slide sign 55a, the 55b of the focus adjustment use shown in Fig. 8 (a), Fig. 9 (a).Therefore,, in this step, determine whether and selected the 2nd icon 51b.
Result of determination at step S51 is in the situation that the project of selecting in real-time guide is " focus ", then, judges whether slide block moves (S52) in whole slide sign.In the situation that user has adjusted the focus of integral image, by operation up and down arrow keys, the slide block 56 moving up and down along whole slide sign 55 is moved.In this step, judge the movement of slide block 56.
Result of determination at step S52 is, the in the situation that slide block moving in whole slide sign, according to the position of slide block, to carry out focus adjustment (S53).Here, by the phtographic lens driving mechanism in image pickup part 20, according to the position of slide block 56, focal position or back focus position phtographic lens, carry out the focus adjustment of integral image forward.
In the result of determination of step S52, in the situation that do not carry out the movement of slide block in whole slide sign, then, judge the movement (S54) of whether having carried out slide block in part slide sign.In the situation that user only adjusts the focus condition of focusing part in image or non-focusing part, the slide block 56a, the 56b that along part slide sign 55a, 55b, move up and down are moved.In this step, judge the movement of slide block 56a, 56b.
Result of determination at step S54 is, the in the situation that of existing slide block to move in part slide sign, then, according to the position of slide block, to carry out low pass/contrast adjustment (S55).As use as described in Fig. 9, in the situation that having operated slide block 56a, carry out the adjustment of the focus condition of focusing part in image, in the situation that having operated slide block 56b, carry out the adjustment of the focus condition of non-focusing part in image.
In the situation that the project that the result of determination of step S51 is real-time guide is not " focus ", carries out other and process (S61).In the present embodiment, as the project menu of real-time guide, except above-mentioned " lightness " and " focus ", as shown in Fig. 3 (b), be also provided with the 1st icon 51a that image chroma is adjusted and the 4th icon 51d that picture tone is adjusted.In this step S61, selected the adjustment in the situation of these icons.The adjustment is here identical with the situation of " lightness " and " focus ", carries out integral body adjustment, and, can independently adjust for high chroma or low chroma part, and, can independently adjust for redness or blue portion.
Carry out after the processing of described step S45, S43, S55, S53, S61, or in the situation that the result of determination of step S44/S54 is not have slide block to move, finishes Altered Graphs picture and generate the flow process of processing, return to original flow process.
As described above, in an embodiment of the invention, arrange: whole adjustment part 12a, it carries out the adjustment relevant with the specific image quality of lightness or focus etc. for integral image; And the 12b of partial adjustment portion, it,, for having been adjusted in the integral image after specific image quality, according to a part of image of the different differentiation of value difference of specific image quality by whole adjustment part 12a, further carries out the adjustment relevant with specific image quality.Therefore integral body adjustment and the part that, can when comparing, carry out image quality are adjusted.
In addition, in the present embodiment, about partial adjustment, by part 1 adjustment part 12b1 and part 2 adjustment part 12b2, be divided into 2 parts and carry out, but be not limited to this, also can be divided into 3 parts, 4 parts or more than 4 parts.And, when cutting apart, to belong to the mode of arbitrary portion, generally cut apart, still, can certainly be only the part of the large part of the characteristic value of image quality or the little part of characteristic value etc. be cut apart, carry out partial adjustment.
And, in an embodiment of the invention, on picture right side, show slide sign, but be not limited to this, can certainly be left side, upside, downside.And whole adjustment carried out demonstration arranged side by side together with displaying live view image with menu with partial adjustment with menu, but be not limited to this, for example, also can make whole adjustment with menu, be divided into the left and right of picture and show with menu and partial adjustment, or, showing up and down of picture be divided into.And, also can make whole adjustment with menu and partial adjustment by any one in menu according to indicating switching to show.
And, in an embodiment of the invention, for integral body adjustment, with menu or partial adjustment, with menu, with rod type, show, still, so long as demonstration that can visual identity correcting value is not limited to rod type.That is, as above-mentioned whole adjustment with menu, menu and the demonstration of menu for above-mentioned part 2 adjustment for above-mentioned part 1 adjustment, being not limited to slide sign, for example, can be also the demonstration of digital stage table.And, also can utilize numeral (0, ± 1, ± 2 ...) or mark (a, b, c ...) represent the correcting value of lightness or focus to change shown numeral or mark according to indication.And then, in an embodiment of the invention, when the adjustment of focus, use low-pass filtering, still, can certainly utilize other images of high-pass filtering etc. to process.
And, in the above-described embodiment, following example has been described: while can watch displaying live view image to carry out the operation that trickle image quality is adjusted under photograph mode, thereby this image is photographed, but this image quality adjustment is not limited to photograph mode, can also be applied to reproduction mode.For example, about the adjustment in Fig. 3~lightness illustrated in fig. 7, even after photography using reproduced image as object, also can utilize same adjustment menu to carry out correspondence.And, about in Fig. 8~focus adjustment illustrated in fig. 10, although in reproduction mode, cannot adjust the focal position of phtographic lens,, contrast adjustment part and low-pass filtering portion can adjust.That is, in reproduction mode, in reproduced image, menu demonstration is adjusted in overlapping display section, thus, can adjust the resolution sense of image (focusing sense).
And then, in an embodiment of the invention, as quality adjustment device, use digital camera to be illustrated, still, as camera, can be digital single-lens reflex camera, can be small digital camera, can be also the camera that video camera, this dynamic image of video camera are used, and then, can also be the camera being built in portable phone, portable information terminal (PDA:Personal Digital Assist), game station etc.Which kind of camera no matter, so long as the device that can process image just can be applied the present invention.And, to implement the situation of above-mentioned flow chart by program, be illustrated, still, can certainly implement by hardware.
The invention is not restricted to above-mentioned execution mode, implementation phase, in the scope that does not depart from its purport, can structural element be out of shape and be specialized.And appropriately combined by the disclosed a plurality of structural elements of above-mentioned execution mode, can form various inventions.For example, can delete the some structural elements in the entire infrastructure key element shown in execution mode.And then, structural element that can appropriately combined different execution modes.