JP2009200687A - Electronic camera - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a monochromatic image by an electronic camera which determines exposure calculation and image adjustment parameters according to a photographic scene. <P>SOLUTION: The electronic camera is provided with: an imaging means 104 of imaging a subject image to generate image data; an image adjusting means 101 of performing image adjustments of the image data generated by the imaging means 104; and a first control means 101 of determining a control exposure for imaging through an exposure calculation corresponding to a photographic scene, and also determining image adjustment parameters for image adjustment according to a designation of color photography or monochromatic photography and the photographic scene. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an electronic camera.

  A camera that obtains a monochrome image or a sepia image by performing color correction processing on a captured image is known (see Patent Document 1).

JP 2003-134520 A

  A camera having an image program function that automatically determines exposure control and image quality adjustment (including color adjustment) according to the shooting scene cannot obtain a monochrome image as in the prior art.

(1) An electronic camera according to the present invention includes an imaging unit that captures a subject image to generate image data, an image adjustment unit that performs image adjustment on the image data generated by the imaging unit, and an exposure calculation according to a shooting scene. And a first control means for determining a control exposure at the time of imaging and determining an image adjustment parameter at the time of image adjustment in accordance with an instruction for color imaging or single-color imaging and an imaging scene.
(2) In the electronic camera according to claim 1, the first control unit may select a parameter corresponding to the shooting scene from the image adjustment parameters for monochrome shooting determined in advance for each shooting scene at the time of monochrome shooting. preferable.
(3) The electronic camera according to claim 1 is a display screen for receiving an instruction for color photographing or single color photographing, and further displays on the display device a screen for displaying items indicating color photographing and single color photographing in parallel. A display control device may be provided.
(4) The electronic camera according to claim 1 further determines a control exposure at the time of imaging by an exposure calculation according to an exposure calculation mode, and determines an image adjustment parameter at the time of image adjustment according to an image adjustment instruction. 2 control means and an operation member for selecting one of the first control means and the second control means may be provided.
(5) In the electronic camera according to (4), the second control means determines either a predetermined image adjustment parameter or an image adjustment parameter according to a signal from the operation member in accordance with an image adjustment instruction. You can also choose.

  According to the present invention, a monochromatic image can be obtained by an electronic camera that determines exposure calculation and image adjustment parameters according to a shooting scene.

  The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 1 is a rear view of an electronic camera 1 according to an embodiment of the present invention. On the back surface of the electronic camera 1, a display device 11, a menu button 21, and a multi-selector 30 are provided. A mode dial 40 is provided on the upper surface of the electronic camera 1.

  The display device 11 is composed of a TFT liquid crystal or the like, and displays a captured image, a menu screen, and the like. The menu button 21 is an operation member for causing the display device 11 to display a menu screen. When the menu button 21 is pressed while the display device 11 is turned off, the electronic camera 1 causes the display device 11 to display a menu screen. When the menu button 21 is pressed while the display device 11 is displaying the menu screen, the electronic camera 1 turns off the menu screen display being displayed.

  The multi-selector 30 includes cross operation keys (right direction 30a, up direction 30b, left direction 30c, down direction 30d) corresponding to up, down, left, and right directions. In response to the operation signal from the multi-selector 30, the electronic camera 1 moves the display position of the selection cursor within the screen being displayed by the display device 11, and selects and determines the item indicated by the selection cursor. Specifically, when the operation key 30a is pressed while the menu screen is displayed on the display device 11, the electronic camera 1 selects and determines the item indicated by the selection cursor. When the selected item further has a lower (lower) selection item, when the operation key 30a is pressed, a lower selection screen corresponding to the selection item is displayed on the display device 11.

  When the operation key 30b is pressed while the menu screen is displayed on the display device 11, the electronic camera 1 moves the selection cursor to an adjacent item on the upper side. When the operation key 30c is pressed while the menu screen is displayed on the display device 11, the electronic camera 1 causes the display device 11 to display a selection screen on the upper layer (higher level) of the selection item. Further, when the operation key 30d is pressed while the menu screen is displayed on the display device 11, the electronic camera 1 moves the selection cursor to an adjacent item on the lower side.

  When displaying the recorded photographed image as a thumbnail on the display device 11, the electronic camera 1 moves the selection cursor on the thumbnail image in accordance with an operation signal from the multi-selector 30 and selects the thumbnail to select it. Use the cursor.

  The mode dial 40 is a rotation operation member. When the mode dial 40 is rotated by the user, the electronic camera 1 switches between the photographing (scene) mode and the exposure control mode according to the rotation operation. Shooting (scene) modes include “camera auto mode”, “portrait mode”, “landscape mode”, “close-up mode”, “sport mode”, “night view mode”, “night view port” using a digital image program. "Rate mode" is included. The exposure control mode includes “program auto mode”, “shutter priority auto mode”, “aperture priority auto mode”, and “manual mode”. The user selects a desired mode from the plurality of modes by rotating the mode dial 40.

  Here, the digital image program determines exposure control information according to the shooting scene, and automatically determines image quality adjustments such as edge enhancement and gradation correction according to the shooting scene and monochrome / color settings described later. It is. The exposure control mode is a mode in which exposure control and image quality adjustment are determined according to user settings (exposure calculation mode setting and finish setting), respectively.

  FIG. 2 is a block diagram illustrating a configuration related to the menu screen display of the electronic camera 1. The arithmetic circuit 101 is constituted by a CPU, and performs control necessary for displaying the menu screen on the display device 11. An imaging device 104 having an imaging device is also connected to the arithmetic circuit 101. The arithmetic circuit 101 performs various calculations and sequence control related to the photographing process in addition to the display control process. However, this description focuses on the display control process, and a description of the photographing process is omitted.

  In FIG. 2, operation signals from the switch 201, the switches 301 to 304, and the mode dial 40 are input to the arithmetic circuit 101. The switch 201 is turned on when the menu button 21 is pressed and turned off when the menu button 21 is released. The switch 301 is turned on when the right operation key 30a of the multi-selector 30 is pressed, and turned off when the operation key 30a is released. The switch 302 is turned on when the upper operation key 30b of the multi selector 30 is pressed, and turned off when the operation key 30b is released.

  The switch 303 is turned on when the left operation key 30c of the multi selector 30 is pressed and turned off when the operation key 30c is released. The switch 304 is turned on by pressing the down operation key 30d of the multi selector 30 and turned off by releasing the pressing operation of the operation key 30d.

  The rotational position of the mode dial 40 is identified by an encoder (not shown) or the like and output to the arithmetic circuit 101. The arithmetic circuit 101 controls the menu screen displayed on the display device 11 based on the input signals from the switches 201 and 301 to 304 and the rotation operation signal of the mode dial 40.

  The ROM 102 stores a control program related to display control of the menu screen and various menu and item information that can be set in the electronic camera 1. The arithmetic circuit 101 reads out a control program stored in the ROM 102 and executes display control of the menu screen, and reads out a plurality of item information stored in the ROM 102 and causes the display device 11 to display the information. The memory 103 is composed of a non-volatile memory, and is used to store information on items selected and determined while the menu screen is displayed.

<Menu display in exposure control mode>
The electronic camera 1 displays a plurality of items formed in a hierarchical structure on the display device 11 step by step according to the operation of the multi-selector 30. FIG. 3 is a diagram illustrating a shooting menu screen displayed on the display device 11. In FIG. 3, the shooting menu 500 includes seven items: a finish setting 501, an image quality mode 502, an image size 503, a white balance 504, an ISO sensitivity setting 505, a long-time noise reduction 506, and a high sensitivity noise reduction 507. These seven items are operation items belonging to the first layer of the shooting menu 500.

  Here, the finish setting 501 is an item for performing a plurality of types of image quality adjustments on the image data captured by the imaging device 104. The image quality mode 502 is an item for setting an image compression rate (image quality). The image size 503 is an item for setting the size of the image file. The white balance 504 is an item relating to the color temperature setting of the light source.

  The ISO sensitivity setting 505 is an item for setting the sensitivity of the image sensor to light, and sets a value corresponding to the ISO sensitivity of the film. The long-second noise reduction 506 is an item for selecting setting / cancellation of long-second noise reduction processing in order to reduce so-called long-second noise that occurs when the shutter speed becomes low. The high-sensitivity noise reduction 507 is an item for selecting setting / cancellation of high-sensitivity noise reduction processing in order to reduce high-sensitivity noise that occurs when shooting with high ISO sensitivity.

  The items 501 to 507 in the first layer of the shooting menu 500 each have a plurality of items in the second layer below. FIGS. 4 and 8 (a) to 8 (f) are diagrams illustrating display screens for items belonging to the second hierarchy of items 501 to 507, respectively. In FIG. 4, the finish setting 501 includes six items of contour emphasis 601, gradation correction 602, color setting 603, saturation setting 604, hue adjustment 605, and black and white 606. These six items are operation items belonging to the second layer of the finish setting 501.

  The contour enhancement 601 is an item for setting the degree of enhancement (sharpness) of the contour of an image. The gradation correction 602 is an item for setting the gradation (contrast) of the image. The color setting 603 is an item for setting the color reproduction of the image. The saturation setting 604 is an item for setting the saturation of the image. The hue adjustment 605 is an item for adjusting the hue of the image. Black and white 606 is an item for performing detailed settings when obtaining a black and white image.

  The electronic camera 1 of the present embodiment is configured to be able to acquire a single color captured image in addition to acquiring a color captured image. In this description, the monochrome image is described as a monochrome monochrome image.

  In FIG. 8A, the image quality mode 502 includes three items, FINE 521, NORMAL 522, and BASIC 523. In FIG. 8B, the image size 503 includes three items of a size L531, a size M532, and a size S533.

  In FIG. 8C, the white balance 504 includes seven items of auto 541, light bulb 542, fluorescent lamp 543, clear sky 544, flash 545, cloudy sky 546, and clear sky shade 547. In FIG. 8D, the ISO sensitivity setting 505 includes five items of 100 (551), 200 (552), 400 (553), 800 (554), and 1600 (555).

  In FIG. 8 (e), the long-time noise reduction 506 includes two items of 561 and 562 which are not performed. In FIG. 8 (f), the high sensitivity noise reduction 507 includes four items of standard 571, weak 572, strong 573, and no 574.

  The items 601 to 606 in the second hierarchy of the finish setting 501 each have a plurality of items in the third hierarchy below. FIG. 5A to FIG. 5E and FIG. 6 are diagrams illustrating display screens for items belonging to the third hierarchy of items 601 to 606, respectively. In FIG. 5A, the contour emphasis 601 includes five items: auto 611, standard 612, weak 613, strong 614, and no 615.

  In FIG. 5B, the gradation correction 602 includes six items: auto 621, standard 622, contrast weak 623, contrast slightly weak 624, contrast slightly strong 625, and contrast strong 626. In FIG. 5C, the color setting 603 includes three items of mode I631, mode II632, and mode III633.

  In FIG. 5D, the saturation setting 604 includes three items of a standard 641, a weak 642, and a strong 643. In FIG. 5E, the hue adjustment 605 includes + 9 ° (651), + 6 ° (652), + 3 ° (653), 0 ° (654), −3 ° (655), −6 ° (656), And seven items of −9 ° (657).

  In FIG. 6, black and white 606 includes five items: standard 661, customization (setting end) 662, outline enhancement 663, gradation correction 664, and filter effect 665. Note that the outline emphasis 663, gradation correction 664, and filter effect 665 correspond to items (customization items) in the lower layer of customization (setting end) 662, but standard 661 and customization (items in the lower layer of black and white 606). For the sake of convenience, the description will be made on the third hierarchy in order to display in parallel with the setting end 662.

  The items 663 to 665 for performing detailed setting when obtaining a black and white image (monochrome mode) each have a plurality of items in the lower fourth layer. FIGS. 7A to 7C are diagrams showing display screens for items belonging to the fourth layer of items 663 to 665, respectively. In FIG. 7A, the contour emphasis 663 has five items of auto 711, standard 712, weak 713, strong 714, and no 715. In FIG. 7B, the gradation correction 664 has four items of auto 721, standard 722, low contrast 723, and high contrast 724.

  In FIG. 7C, the filter effect 665 has five items of none 731, yellow 732, orange 733, red 734, and green 735. The filter effect 665 is an item for obtaining an effect similar to that obtained when shooting through a color filter for black and white photography. Selecting yellow 732, orange 733, or red 734 has the effect of enhancing contrast. The contrast enhancement effect increases in the order of yellow → orange → red. When green 735 is selected, the skin color, lips, etc. are finished in a calm feeling.

<Menu display in shooting (scene) mode>
Similar to the exposure control mode, the electronic camera 1 displays a plurality of items formed in a hierarchical structure on the display device 11 step by step according to the operation of the multi-selector 30. FIG. 11 is a diagram illustrating a shooting menu screen displayed on the display device 11. In FIG. 11, the point that the white balance 504 cannot be selected is different from the shooting menu screen (FIG. 3) in the exposure control mode. As described above, in the shooting (scene) mode, since the electronic camera 1 automatically determines the image quality adjustment parameter by the digital image program, the setting operation related to the white balance by the user is not required.

  Items 501 to 503 and 505 to 507 in the first layer of the shooting menu 500 each have a plurality of items in the second layer below. FIGS. 12 and 8 (a), FIG. 8 (b), and FIG. 8 (d) to FIG. 8 (f) exemplify display screens for items belonging to the second hierarchy of items 501-503 and 505-507, respectively. It is a figure to do.

  The display screen of the items belonging to the second hierarchy for the items 502, 503, and 505 to 507 is the same as the display screen in the exposure control mode. For the display screen of the items belonging to the second hierarchy for the item 501, the display screen illustrated in FIG. 12 is used instead of the display screen in the exposure control mode (FIG. 4). In FIG. 12, the finish setting 501 includes two items of color 1601 and black and white 1602. These two items are operation items belonging to the second layer of the finish setting 501.

  As described above, in the photographing (scene) mode, the items belonging to the third hierarchy and the fourth hierarchy are not displayed. This is because, in the photographing (scene) mode, the electronic camera 1 automatically determines the image quality adjustment parameter by the digital image program, so that a setting operation by the user is not required. FIG. 13 is a diagram illustrating the image quality adjustment content automatically determined by the electronic camera 1 when the color 1601 is selected. Also. FIG. 14 is a diagram exemplifying image quality adjustment contents automatically determined by the electronic camera 1 when black and white 1602 is selected.

<Monochrome mode>
Settings relating to the black and white mode will be described in detail. When the menu button 21 is pressed, the electronic camera 1 turns on the display device 11 and displays items 501 to 507 in the first layer of the shooting menu 500 illustrated in FIG. 3 together with the title “shooting menu”. The electronic camera 1 selects the finish setting 501 by moving the selection cursor in accordance with the operation of the upper operation key 30b or the lower operation key 30d of the multi selector 30. In the figure, the selection cursor position is represented by a frame surrounding the item.

  The electronic camera 1 displays the second-level items 601 to 606 of the finish setting 501 illustrated in FIG. 4 in response to the operation of the operation key 30a in the right direction of the multi-selector 30. The electronic camera 1 selects the monochrome 606 by moving the selection cursor in accordance with the operation of the upper operation key 30b or the lower operation key 30d of the multi selector 30. The electronic camera 1 displays the items 661 to 665 in the third layer of black and white 606 illustrated in FIG. 6 together with the title “black and white” in accordance with the operation of the right operation key 30 a of the multi selector 30.

(1) Standard Setting The electronic camera 1 is black and white when the right operation key 30a of the multi-selector 30 is operated while the selection cursor selects the standard 661 on the display screen illustrated in FIG. Determine the standard settings for acquiring images. In the standard setting of the black and white mode, the outline enhancement is set to the standard, the gradation correction is set to the standard, and the filter effect is set to none. As a result, a novice user who wants to shoot in the monochrome mode can select the standard 661 of the monochrome 606, and does not need to make detailed settings related to monochrome shooting, and can perform monochrome shooting with standard settings.

(2) Customization Setting The electronic camera 1 has selected the multi-selector in a state where the selection cursor has selected outline enhancement 663, gradation correction 664, or filter effect 665 as customization items on the display screen illustrated in FIG. When the right operation key 30a 30 is operated, the items in the fourth hierarchy illustrated in any of FIGS. 7A to 7C are displayed. For example, when the contour enhancement 663 is selected and operated, the items 711 to 715 in the fourth layer of the contour enhancement 663 illustrated in FIG. .

  The electronic camera 1 that is displaying the fourth layer screen of FIG. 7A moves the selection cursor in accordance with the operation of the upper operation key 30b or the lower operation key 30d of the multi-selector 30, and automatically One of items 711, standard 712, weak 713, strong 714, and not 715 is selected. The electronic camera 1 determines the selection item according to the operation of the right operation key 30a of the multi-selector 30, and then returns to the display of the items 661 to 665 in the third layer related to the black and white 606 illustrated in FIG.

  In addition, when the gradation correction 664 is selected and operated on the display screen illustrated in FIG. 6, the electronic camera 1 selects items 721 to 724 in the fourth layer of the gradation correction 664 illustrated in FIG. 7B. Are displayed together with the titles “black and white”, “customization”, and “gradation correction”.

  The electronic camera 1 that is displaying the screen of the fourth layer in FIG. 7B moves the selection cursor in accordance with the operation of the upper operation key 30b or the lower operation key 30d of the multi-selector 30, and One of items 721, standard 722, low contrast 723, and high contrast 724 is selected. The electronic camera 1 determines the selection item according to the operation of the right operation key 30a of the multi-selector 30, and then returns to the display of the items 661 to 665 in the third layer related to the black and white 606 illustrated in FIG.

  Furthermore, when the filter effect 665 is selected and operated on the display screen illustrated in FIG. 6, the electronic camera 1 displays items 731 to 735 in the fourth layer of the filter effect 665 illustrated in FIG. 7C. , And the title “black and white”, “customize”, and “filter effect”.

  The electronic camera 1 that is displaying the fourth layer screen of FIG. 7C moves the selection cursor in accordance with the operation of the upper operation key 30b or the lower operation key 30d of the multi-selector 30, and none. One of items 731, yellow 732, orange 733, red 734, and green 735 is selected. The electronic camera 1 determines the selection item according to the operation of the right operation key 30a of the multi-selector 30, and then returns to the display of the items 661 to 665 in the third layer related to the black and white 606 illustrated in FIG.

  After setting the items of outline emphasis 663, gradation correction 664, and filter effect 665, which are customization items related to the monochrome mode, the electronic camera 1 that is displaying the third layer screen illustrated in FIG. The selection cursor is moved in accordance with the operation of the upward operation key 30b or the downward operation key 30d, and customization (end of setting) 662 is selected. The electronic camera 1 determines the contents set for the outline emphasis 663, the gradation correction 664, and the filter effect 665 in accordance with the operation of the operation key 30a in the right direction of the multi-selector 30, and illustrated in FIG. Return to the display of the items 601 to 606 in the second layer of the finish setting 501.

  As described above, a user who wants to shoot in the monochrome mode after performing detailed settings can select the customization items 663 to 665 of the monochrome 606 to perform monochrome shooting with desired setting contents regarding the monochrome shooting. .

  It should be noted that customization settings relating to contour enhancement and gradation correction can be performed in the color mode, but as shown in FIGS. 6 and 7A to 7C, the monochrome mode is related to the monochrome mode. It is displayed in a display form that shows that it is a setting. Specifically, the title “Monochrome” is displayed in the display screen on the menu screen in the monochrome mode. On the other hand, in the case of the color mode, as illustrated in FIGS. 5A and 5B, a title that clearly indicates the color mode is not displayed. As described above, the display mode of the display screen for performing the detailed setting is clearly different between the monochrome mode and the color mode, so that the user can be confused because the monochrome mode menu screen and the color mode menu screen can be easily distinguished. There is no fear.

<Menu display control processing>
The flow of the display control process executed by the arithmetic circuit 101 of the electronic camera 1 described above will be described with a focus on menu display relating to the monochrome mode with reference to the flowcharts of FIGS. When the menu button 21 is pressed while the battery (not shown) is loaded in the electronic camera 1, the arithmetic circuit 101 activates a program that performs the processing shown in FIG. 9.

  In step S101 of FIG. 9, the arithmetic circuit 101 determines whether or not it is a shooting scene mode. The arithmetic circuit 101 operates in a shooting scene mode (that is, a camera auto mode, a portrait mode, a landscape mode, a close-up mode, a sports mode, a night view mode, and a night view portrait mode) that uses a digital image program by operating the mode dial 40. If any one is selected, an affirmative decision is made in step S101 and the process proceeds to step S151 in FIG. The arithmetic operation circuit 101 makes a negative determination in step S101 when an exposure control mode other than the shooting scene mode (that is, any one of the program auto mode, the shutter priority auto mode, the aperture priority auto mode, and the manual mode) is selected. Then, the process proceeds to step S102.

  In step S102, the arithmetic operation circuit 101 makes a decision as to whether or not the menu selection is related to finish setting. When the arithmetic circuit 101 receives an operation signal for selecting the finish setting 501 while displaying the items 501 to 507 in the first layer of the shooting menu 500 illustrated in FIG. Proceed to step S103. If the arithmetic operation circuit 101 does not receive the operation signal for selecting the finish setting 501, the operation circuit 101 makes a negative determination in step S102 and proceeds to step S110.

  In step S103, the arithmetic operation circuit 101 makes a decision as to whether or not it is a menu selection related to the monochrome mode. The arithmetic operation circuit 101 makes an affirmative decision in step S103 when receiving an operation signal for selecting black and white 606 while displaying the second-level items 601 to 606 of the finish setting 501 illustrated in FIG. The process proceeds to S104. If the arithmetic operation circuit 101 does not receive an operation signal for selecting black and white 606, the operation circuit 101 makes a negative determination in step S103 and proceeds to step S111.

  In step S104, the arithmetic operation circuit 101 displays “monochrome” as the title of the display device 11, and then the operation proceeds to step S105. In step S105, the arithmetic operation circuit 101 determines whether or not the shooting scene mode is set. The arithmetic operation circuit 101 makes an affirmative decision in step S105 when the shooting scene mode is selected by operating the mode dial 40, and proceeds to step S115. If the exposure control mode other than the shooting scene mode is selected, the arithmetic operation circuit 101 makes a negative determination in step S151 and proceeds to step S106.

  In step S106, the arithmetic operation circuit 101 makes a decision as to whether or not “standard” is selected. When the arithmetic circuit 101 receives an operation signal for selecting the standard 661 while displaying the items 661 to 665 in the third layer of the black and white 606 illustrated in FIG. 6 on the display device 11, the arithmetic circuit 101 makes a positive determination in step S106 and performs step S112. Proceed to If the arithmetic operation circuit 101 does not receive the operation signal for selecting the standard 661, the operation circuit 101 makes a negative determination in step S106 and proceeds to step S107.

  In step S107, the arithmetic operation circuit 101 receives a setting change for each of the items of outline enhancement 663, gradation correction 664, and filter effect 665, which are customization items related to the monochrome mode, and proceeds to step S108.

  In step S108, the arithmetic operation circuit 101 makes a decision as to whether or not “customize (end of setting)” has been selected. When the arithmetic circuit 101 receives an operation signal for selecting the customization (setting end) 662 while the screen of the third hierarchy illustrated in FIG. 6 is being displayed on the display device 11, it makes an affirmative decision in step S108 and proceeds to step S109. . If the arithmetic operation circuit 101 does not receive the operation signal for selecting the customization (setting end) 662, the operation circuit 101 makes a negative determination in step S108 and returns to step S105.

  In step S109, the arithmetic operation circuit 101 determines the contents set for the contour emphasis 663, the gradation correction 664, and the filter effect 665, and the process proceeds to step S113.

  In step S112, which proceeds after making an affirmative determination in step S106, the arithmetic operation circuit 101 sets outline enhancement as standard, gradation correction as standard, and filter effect as “none”, and proceeds to step S113.

  In step S113, the arithmetic operation circuit 101 finishes the monochrome mode menu display and proceeds to step S114. Specifically, items 601 to 606 in the second hierarchy of the finish setting 501 illustrated in FIG. 4 are displayed on the display device 11.

  In step S110, which proceeds after making a negative determination in step S102, the arithmetic operation circuit 101 performs menu processing other than the finish setting 501 (ie, image quality mode 502, image size 503, white balance 504, ISO sensitivity setting 505, long time noise). Reduction 506 and high-sensitivity noise reduction 507) are performed, and the process proceeds to step S114.

  In step S111, which proceeds after making a negative determination in step S103, the arithmetic operation circuit 101 performs menu processing other than black and white 606 (that is, outline enhancement 601, gradation correction 602, color setting 603, saturation setting 604, and hue adjustment 605). ) And the process proceeds to step S114.

  In step S114, the arithmetic operation circuit 101 determines whether or not a menu mode end operation has been performed. The arithmetic operation circuit 101 makes an affirmative decision in step S114 when the menu button 21 is pressed and proceeds to step S115. If the menu button 21 is not depressed, the arithmetic circuit 101 makes a negative determination in step S114 and returns to step S101.

  In step S115, the arithmetic operation circuit 101 turns off the display device 11 and ends the processing in FIG.

  In step S151 of FIG. 10 that proceeds with an affirmative determination in step S101, the arithmetic operation circuit 101 determines whether or not the menu selection is related to finish setting. When the arithmetic circuit 101 receives an operation signal for selecting the finish setting 501 while displaying the items 501 to 503 and 505 to 507 in the first layer of the shooting menu 500 illustrated in FIG. Affirmative determination is made, and the process proceeds to step S152. If the arithmetic operation circuit 101 does not receive the operation signal for selecting the finish setting 501, the operation circuit 101 makes a negative determination in step S151 and proceeds to step S157.

  In step S152, the arithmetic operation circuit 101 causes the display device 11 to display the color / monochrome selection menu illustrated in FIG. 12 (that is, items 1601 to 1602 in the second layer of the finish setting 501), and proceeds to step S153.

  In step S153, the arithmetic operation circuit 101 determines whether or not a color has been selected. When the arithmetic circuit 101 receives an operation signal for selecting the color 1601 while displaying the second layer screen illustrated in FIG. 12 on the display device 11, the arithmetic circuit 101 makes an affirmative decision in step S153 and proceeds to step S158. If the arithmetic operation circuit 101 does not receive an operation signal for selecting the color 1601, the operation circuit 101 makes a negative determination in step S153 and proceeds to step S154.

  In step S154, the arithmetic operation circuit 101 determines whether monochrome has been selected. When the arithmetic circuit 101 receives an operation signal for selecting the black and white 1602 while the second layer screen illustrated in FIG. 12 is being displayed on the display device 11, the arithmetic circuit 101 makes an affirmative decision in step S154 and proceeds to step S159. If the arithmetic operation circuit 101 does not receive an operation signal for selecting monochrome 1602, the operation circuit 101 makes a negative determination in step S154 and proceeds to step S155.

  In step S155, the arithmetic operation circuit 101 determines whether or not the shooting scene mode has been changed. The arithmetic operation circuit 101 makes an affirmative decision in step S155 when the shooting scene mode has been changed to another scene mode or the exposure control mode has been changed by operating the mode dial 40, and then proceeds to step S156. If the shooting scene mode is not changed, the arithmetic operation circuit 101 makes a negative determination in step S155 and proceeds to step S161.

  In step S156, the arithmetic operation circuit 101 turns off the display device 11 and ends the processing in FIG. In step S161, the arithmetic operation circuit 101 determines whether or not a menu mode end operation has been performed. The arithmetic operation circuit 101 makes an affirmative decision in step S161 when the menu button 21 is pressed and proceeds to step S156. If the menu button 21 is not depressed, the operation circuit 101 makes a negative determination in step S161 and returns to step S153.

  In step S157, which proceeds after making a negative determination in step S151, the arithmetic operation circuit 101 performs menu processing other than the finish setting 501 (that is, the image quality mode 502, the image size 503, the ISO sensitivity setting 505, the long time noise reduction 506, and High sensitivity noise reduction 507) is performed, and the process proceeds to step S114 in FIG.

  In step S158, which proceeds after making an affirmative decision in step S153, the arithmetic operation circuit 101 sets an image quality adjustment parameter for a color image corresponding to the selected scene mode, and then proceeds to step S160. As illustrated in FIG. 13, the arithmetic circuit 101 sets predetermined adjustment values for “contour emphasis”, “tone correction”, “color setting”, “saturation setting”, “hue adjustment”, and “white balance”. To do.

  In step S159, which proceeds after making an affirmative decision in step S154, the arithmetic operation circuit 101 sets the image quality adjustment parameter for the monochrome image corresponding to the selected scene mode, and then proceeds to step S160. As illustrated in FIG. 14, the arithmetic circuit 101 sets predetermined adjustment values for “contour emphasis”, “filter effect”, and “white balance”.

  In step S160, the arithmetic operation circuit 101 ends the color / monochrome selection menu display and proceeds to step S114 in FIG. Specifically, items 501 to 503 and 505 to 507 in the first layer of the shooting menu 500 illustrated in FIG. 11 are displayed on the display device 11.

According to the embodiment described above, the following operational effects can be obtained.
(1) With an electronic camera 1 equipped with a digital image program that automatically determines exposure control and image quality adjustment parameters, a mode for acquiring a color captured image and a mode for acquiring a monochrome captured image can be selected. did. The user can also select black-and-white shooting even when shooting in a shooting scene mode using a digital image program.

(2) The image quality adjustment parameters for color images can be set individually for each shooting scene mode by the digital image program, and the image quality adjustment parameters for black and white images can be set individually for each shooting scene mode. Because it is configured in black and white using parameters suitable for each shooting scene, such as “portrait mode”, “landscape mode”, “close-up mode”, “sport mode”, “night scene mode”, “night scene portrait mode” An image can be obtained.

(3) Since the selection setting operation for color shooting or monochrome shooting in the shooting scene mode can be performed at the second layer (FIG. 12) of the shooting menu, color / monochrome shooting can be selected with few menu operations. Furthermore, since only “color” and “black and white” are displayed in parallel on the second layer of the shooting menu (FIG. 12), even a novice user who is not familiar with the electronic camera 1 can easily select and operate.

(4) An exposure control mode in which the electronic camera 1 determines exposure control and image quality adjustment parameters according to user settings without using a digital image program, and the shooting scene modes (1) to (3) above. Can be selected. For this reason, it is also possible to meet the demands of middle / advanced users who are used to the electronic camera 1. For example, in the black and white mode menu screen in the case of the exposure control mode (FIG. 6), “standard” in which the electronic camera 1 sets standard image quality adjustment parameters, image quality such as contour enhancement, gradation correction, filter effect, and the like. The user can select “Customize” that can be set by user operation. An advanced user familiar with the electronic camera 1 can select “customize” and individually set image quality adjustment items such as edge enhancement, gradation correction, and filter effect. On the other hand, a user who is not as accustomed as an advanced user can select “Standard” and easily set the image quality adjustment parameter of the monochrome image.

(5) Image quality adjustment items such as edge enhancement, gradation correction, and filter effect, which are customization items in the monochrome mode, are displayed in the third hierarchy in parallel with “Standard” (FIG. 6). Thereby, image quality adjustment items such as contour emphasis, gradation correction, and filter effect are displayed without deepening the menu hierarchy, and the setting operation can be simplified.

(6) Since the title “Monochrome” is given to the menu screen relating to the monochrome mode (FIGS. 6 and 7A to 7C), the menu screen for setting the outline enhancement and gradation correction in the monochrome mode, It is possible to prevent the user from being confused with the menu screen for setting the color mode outline enhancement and gradation correction.

(Modification)
In the above description, a black and white image has been described as an example of a single color image. However, in addition to black and white, a sepia single color image or a blue single color image may be used. In this case, if the black and white notation in FIGS. 4, 6, 7A to 7C, and 12 is replaced with a corresponding character (for example, “Sepia”, “Blue”, etc.) Good.

  The electronic camera 1 described above may be a single-lens reflex camera or a compact camera as long as it can perform monochromatic photography and color photography.

  The above description is merely an example, and is not limited to the configuration of the above embodiment.

It is a rear view of the electronic camera by one embodiment of this invention. It is a block diagram which illustrates the composition about the menu screen display of an electronic camera. It is a figure which illustrates the imaging | photography menu screen displayed on the display apparatus. It is a figure which illustrates the display screen about the item which belongs to the 2nd hierarchy. (a)-(e) is a figure which illustrates the display screen about the item which belongs to the 3rd hierarchy. It is a figure which illustrates the display screen about the item which belongs to the 3rd hierarchy. (a)-(c) is a figure which illustrates the display screen about the item which belongs to a 4th hierarchy. (a)-(f) is a figure which illustrates the display screen about the item which belongs to a 2nd hierarchy. It is a flowchart explaining the flow of the display control process which an arithmetic circuit performs. It is a flowchart explaining the flow of the display control process which an arithmetic circuit performs. It is a figure which illustrates the imaging | photography menu screen displayed on the display apparatus. It is a figure which illustrates the display screen about the item which belongs to the 2nd hierarchy. It is a figure which illustrates the image quality adjustment content which is automatically determined when a color is selected. It is a figure which illustrates the image quality adjustment content determined automatically when monochrome is selected.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Electronic camera 11 ... Display apparatus 21 ... Menu button 30 ... Multi selector 40 ... Mode dial 101 ... Arithmetic circuit 102 ... ROM

Claims (5)

Imaging means for capturing a subject image and generating image data;
Image adjusting means for performing image adjustment on the image data generated by the imaging means;
First control means for determining a control exposure at the time of imaging by exposure calculation according to a shooting scene, and for determining an image adjustment parameter at the time of image adjustment according to an instruction for color shooting or monochromatic shooting, and according to the shooting scene; An electronic camera comprising: The electronic camera according to claim 1,
The electronic camera according to claim 1, wherein the first control means selects a parameter corresponding to the shooting scene from image adjustment parameters for monochrome shooting determined in advance for each shooting scene during the monochrome shooting. The electronic camera according to claim 1,
A display screen for receiving an instruction for the color photographing or the single color photographing, and further comprising a display control device for displaying on the display device a screen for displaying items indicating the color photographing and the single color photographing in parallel. And an electronic camera. The electronic camera according to claim 1,
Second control means for determining a control exposure at the time of imaging by exposure calculation according to an exposure calculation mode, and determining an image adjustment parameter at the time of image adjustment according to an image adjustment instruction;
An electronic camera further comprising an operation member for selecting one of the first control means and the second control means. The electronic camera according to claim 4,
The electronic camera according to claim 2, wherein the second control means selects either a predetermined image adjustment parameter or an image adjustment parameter according to a signal from the operation member in accordance with the image adjustment instruction.

Images