CN102541447A - System and method for realizing three-dimensional drawing based on touch terminal - Google Patents
System and method for realizing three-dimensional drawing based on touch terminal Download PDFInfo
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- CN102541447A CN102541447A CN2011104116130A CN201110411613A CN102541447A CN 102541447 A CN102541447 A CN 102541447A CN 2011104116130 A CN2011104116130 A CN 2011104116130A CN 201110411613 A CN201110411613 A CN 201110411613A CN 102541447 A CN102541447 A CN 102541447A
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Abstract
The invention discloses a system and method for realizing three-dimensional drawing based on a touch terminal. The system comprises a touch screen, a touch signal processing and distance measuring locating module, a central processor, a DSP (Digital Signal Processor) processing module, an FPGA (Field Programmable Gate Array) module, a display drive module and a display screen. The method comprises the steps of: detecting a distance between a hand and the touch screen and an inclined angle between the hand and the vertical direction of the touch screen according to the change of a signal generated when the hand leaves from the touch screen by the touch signal processing and distance measuring locating module; then sending a three-dimensional drawing instruction to the DSP module according to a processing result of the touch signal processing and distance measuring locating module by the central processor; and then performing filtering treatment, threshold segmentation treatment, image quantity calculation and image parameter confirming and displaying treatment on a plane image by the DSP processing module, and driving the display screen by the display drive module to display a three-dimensional image. The aim of converting the plane image into the corresponding three-dimensional image according to a human gesture is achieved, and a new experience is brought to users.
Description
Technical field
The present invention relates to the touch control technology field of portable terminal, particularly a kind of system and method thereof that realizes stereoscopic drawing based on touch control terminal.
Background technology
Develop rapidly along with electronic technology; The favor that touch control device is more and more consumed; Because touch technology brings great convenience to people, the touch technologies that have been widely used such as present mobile phone, telepilot, TV, large-scale electronic production equipment, cash dispenser, automatic machine.
At present, the touch control mode of touch display is clicked touch-control by simple single-point, has developed into multi-point touch, but the user still fails to be met fully for the demand of touch control manner, and many functions also need repeatedly touch-control to accomplish.Giant-screen touches the control display device and uses more and more widely in education sector, Drawing Design, meeting room use and other commercial kitchen area; But when these equipment of use; Can only on touch-screen, accomplish simple plane mapping operation and demonstration; Can not accomplish three-dimensional drawing, influence user's experience effect.
In view of this, the present invention provides a kind of system and method thereof that realizes stereoscopic drawing based on touch control terminal.
Summary of the invention
In view of the weak point of above-mentioned prior art, the object of the present invention is to provide a kind of system and method thereof based on touch control terminal realization stereoscopic drawing, can on the display screen of touch control terminal, realize the function of stereoscopic drawing, thereby increase user's experience effect.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of system based on touch control terminal realization stereoscopic drawing, wherein, the said terminal that touches comprises:
Be used to accept the touch-screen of the plane picture information of manual input;
The touch signal processing and the locating module of finding range of the change-detection staff that leaves the signal that touch-screen produces according to staff and the angle of the distance of touch-screen and staff and touch-screen vertical direction;
Be used for result, send the central processing unit of stereoscopic drawing instruction to the DSP module according to said touch signal processing and range finding locating module;
Be used for to put down volume image and carry out Filtering Processing, Threshold Segmentation processing, amount of images statistics, the affirmation that reaches image parameter and the DSP processing module of display process;
The FPGA module that is used for matched interfaces logic and sequential;
Be used for image parameter, drive the driver module that display screen shows corresponding stereo-picture according to the affirmation of DSP processing module; And be used for the display screen of display image;
Said touch-screen is handled through said touch signal and the range finding locating module is connected with central processing unit; Said central processing unit is connected with driver module with DSP processing module, FPGA module, and said driver module is connected with display screen with said DSP processing module, FPGA module.
Above-mentioned realizes in the system of stereoscopic drawing based on touch control terminal, also comprises the power module that is used for to said touch-screen, touch signal are handled and range finding locating module, central processing unit, DSP processing module, FPGA module, driver module and display screen are supplied power.
Above-mentioned realizes in the system of stereoscopic drawing based on touch control terminal, and touch signal is handled and the range finding locating module, is used in staff leaves first Preset Time of touch-screen, detects staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction.
Above-mentioned realizes that based on touch control terminal said first Preset Time is 3-6 second in the system of stereoscopic drawing.
Above-mentioned realizes that based on touch control terminal the DSP processing module is used at staff behind touch-screen upper stationary second Preset Time in the system of stereoscopic drawing, confirms the image parameter of stereo-picture
Above-mentioned realizes that based on touch control terminal said second Preset Time is 2-3 second in the system of stereoscopic drawing.
A kind of method based on touch control terminal realization stereoscopic drawing, it comprises:
A, accept the plane picture information of manual input;
B, leave change-detection staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction of the signal that touch-screen produces according to staff;
C, according to the angle of distance and the staff and the touch-screen vertical direction of staff and touch-screen; With equalling affirmation and the display process that volume image carries out Filtering Processing, Threshold Segmentation processing, amount of images statistics, reaches image parameter, confirm the image parameter of corresponding stereo-picture;
D, drive display screen according to said image parameter and show corresponding stereo-picture.
Above-mentioned realizes that based on touch control terminal said step B also comprises in the method for stereoscopic drawing: in staff leaves first Preset Time of touch-screen, detect staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction.
Above-mentioned realizes that based on touch control terminal said step C also comprises in the method for stereoscopic drawing: behind touch-screen upper stationary second Preset Time, confirm the image parameter of stereo-picture at staff.
Compared to prior art; Provided by the inventionly a kind ofly realize the system and the method thereof of stereoscopic drawing, handle and the range finding locating module leaves change-detection staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction of the signal that touch-screen produces according to staff through touch signal based on touch control terminal; Through the result of central processing unit, send the stereoscopic drawing instruction then to the DSP module according to said touch signal processing and range finding locating module; Again through the DSP processing module with said flat volume image carry out that Filtering Processing, Threshold Segmentation are handled, amount of images statistics, and the affirmation and the display process of image parameter; And through the image parameter of driver module according to the affirmation of DSP processing module; Drive display screen and show said stereo-picture; Realized on touch control terminal, drawing a planimetric map through the user, the distance and the angle that move according to staff then generate corresponding stereographic map; Increased the new function of touch control terminal, brought new experience to the user.
Description of drawings
Fig. 1 the present invention is based on the structural representation that touch control terminal is realized the system of stereoscopic drawing.
Fig. 2 the present invention is based on the synoptic diagram that touch control terminal is realized touch screen in the system of stereoscopic drawing.
Fig. 3 the present invention is based on the method flow diagram that touch control terminal is realized stereoscopic drawing.
Fig. 4 the present invention is based on the synoptic diagram that touch control terminal realizes being decorated with on the touch-screen in the system of stereoscopic drawing plane picture.
Fig. 5 the present invention is based on touch control terminal to realize that the user in the system of stereoscopic drawing controls the synoptic diagram of touch control terminal stretching image through gesture.
Fig. 6 the present invention is based on the synoptic diagram that touch control terminal is realized the stereo-picture that the touch control terminal in the system of stereoscopic drawing generates.
Embodiment
The present invention provides a kind of system and method for realizing stereoscopic drawing based on touch control terminal; But the user has gesture control or touches the intelligent multimedia electronic equipment of control silks; Be particularly suitable for being applied to education sector, the Drawing Design field, meeting room uses field and other commercial kitchen area.
For making the object of the invention, technical scheme and effect clearer, clear and definite, below develop simultaneously embodiment to further explain of the present invention with reference to accompanying drawing.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 1; What the embodiment of the invention provided realizes that based on touch control terminal the system of stereoscopic drawing comprises touch-screen 11, touch signal processing and range finding locating module 21, central processing unit 31, DSP (Digital Signal Processing; Digital signal processing) processing module 41, FPGA (Field-Programmable Gate Array, i.e. field programmable gate array) module 51, driver module 61 and display screen 71.Said touch-screen 11 is handled through said touch signal and range finding locating module 21 is connected with central processing unit 31; Said central processing unit 31 is connected with DSP processing module 41, FPGA module 51 and driver module 61, and said driver module 61 is connected with display screen 71 with said DSP processing module 41, FPGA module 51.
Wherein, said touch-screen 11 top that is arranged on said display screen 71 is used to accept the pictorial information, the control information of some touch-control, hand-written information of manual input etc.In the present embodiment, this touch-screen 11 is a capacitance touch screen, and this touch-screen 11 is provided with a plurality of touch sensible points 111, and is as shown in Figure 2, through the information of these touch sensible points 111 induction users inputs.
Said touch signal is handled and range finding locating module 21 is used to resolve said touch information, and leaves change-detection staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction of the signal of touch-screen generation according to staff.In the practical implementation process; Touch signal handle and range finding locating module 21 according to staff from touching touch-screen 11 in first Preset Time that leaves touch-screen 11 (like 3-6 second); The variation of electric capacity detect user's action; And the information that this touch signal is handled and range finding locating module 21 also can be sensed according to different touch sensible points 111 detects the track that moves when staff leaves touch-screen 11, the stretching path of affirmation stereographic map.
Said central processing unit 31 is used for the result according to touch signal processing and range finding locating module 21, sends the stereoscopic drawing instruction to the DSP module.Described central processing unit 31 is brains of whole touch control terminal; It is responsible for the reception of the signal of other functional module outputs, and makes corresponding calculation process etc., then according to the calculation process result; Give corresponding functional modules through iic bus output corresponding instruction; Control the corresponding function module is carried out function corresponding, and it is a prior art, is not described further here.
Said DSP processing module 41 be used for said flat volume image carry out that Filtering Processing, Threshold Segmentation are handled, amount of images statistics, and the affirmation and the display process of image parameter.In the specific implementation; This DSP processing module 41 is responsible for the digital processing of the picture signal of complete machine; Comprise drawing, modification, adjustment etc., accomplish various interface logic and sequential coupling through FPGA module 51 then, and also DSP processing module 41 is furnished with the storage that mass storage is used for image.
And DSP processing module 41 can be confirmed the image parameter of stereo-picture at staff behind touch-screen 11 upper stationary second Preset Time (like 2-3 second).Wherein, the parameter of image comprises that size, stretching track (air line distance that the motion track as along staff stretches, moves like staff stretches, along the stretching of touch-screen vertical direction etc.), the stereo-picture of image are solid images, the stereo-picture etc. of finding time.
When DSP processing module 41 was handled images, because pattern matrix is very big, to relate to calculated amount also very big, present embodiment adopted and directly in spatial domain, handles, and adopts corresponding image transformation algorithm that image is carried out conversion process.In the specific implementation; The image transformation algorithm that said DSP processing module 41 adopts comprises treatment technology indirectly such as Fourier transform, Walsh transform, discrete cosine transform, is that transform domain is handled with the treatment conversion of spatial domain, so not only can reduce calculated amount; And can obtain more effective treatment effect; As can in frequency domain, carry out digital filtering when adopting Fourier transform and handle, filtering interference signals reduces the difficulty of Flame Image Process.
Because the chip that DSP processing module 41 adopts has that volume is little, fast operation, characteristics such as flexible and convenient to use, said FPGA module 51 has in system programmable and steering logic realization flexible characteristic.Therefore, touch terminal provided by the invention can either satisfy the rapidity of processing, can satisfy the portable requirement of miniaturization again.
Said driver module 61 is used for according to the signal of DSP processing module 41 with 51 outputs of FPGA module, drives display screen 71 and shows corresponding stereo-picture.Described display screen 71 is LCD LCDs 71 or OLED display screen 71, is used for display of user interfaces, and video image etc.
In a further embodiment; Provided by the inventionly realize that based on touch control terminal the system of stereoscopic drawing also comprises power module, this power module is used for to said touch-screen 11, touch signal is handled and range finding locating module 21, central processing unit 31, DSP processing module 41, FPGA module 51, driver module 61 and display screen 71 power supplies.
Based on above-mentioned system, the also corresponding method that provides a kind of based on touch control terminal realization stereoscopic drawing of the embodiment of the invention sees also Fig. 3, and described method comprises:
S110, accept the plane picture information of manual input;
S120, leave change-detection staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction of the signal that touch-screen produces according to staff;
S130, according to the angle of distance and the staff and the touch-screen vertical direction of staff and touch-screen; With equalling affirmation and the display process that volume image carries out Filtering Processing, Threshold Segmentation processing, amount of images statistics, reaches image parameter, confirm the image parameter of corresponding stereo-picture;
S140, drive display screen according to said image parameter and show corresponding stereo-picture.
Wherein, in step S120, in staff leaves first Preset Time (like 3-6 second) of touch-screen, detect staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction.In step S130, behind touch-screen upper stationary second Preset Time (like 2-3 second), confirm the image parameter of stereo-picture at staff.
For the ease of clearer understanding technical scheme of the present invention,, realize that to the present invention is based on touch control terminal the method for using and generate stereo-picture of the system of stereoscopic drawing is elaborated below in conjunction with Fig. 4, Fig. 5 and Fig. 6:
At first, user's stereoscopic drawing pattern of getting into touch control terminal through user interface, on the touch-screen of touch control terminal, draw a plane picture through finger or writing pencil afterwards, as shown in Figure 4.
Then, the user is placed on whole palm on this plane picture; As shown in Figure 5ly slowly lift (this process can be set to 5 seconds) with direction perpendicular to touch-screen; Electric capacity between touch-screen and the hand diminishes gradually at this moment; Touch signal processing and range finding locating module will detect the angle of distance and the staff and the touch-screen vertical direction of staff and touch-screen in real time; And corresponding information sent to central processing unit, CPU module sends the instruction that planar graph is converted into solid figure after receiving this information via handled to the DSP processing module;
After the DSP processing module receives this instruction; Through calculation process (like Fourier transform); With the surface area coordinate information of this planar graph as basic basis; And handle and the position of the detected palm of range finding locating module according to touch signal, on display screen, show the detail parameters information of this solid figure, such as three-dimensional coordinate, stretching track etc.When the user confirm the size of solid figure, highly, when parameter such as stretching track meets the requirements; Make palm in the touch-screen upper stationary more than 2 seconds; This moment, the DSP processing module thought that just the correlation parameter of solid figure confirms; And the parameter of solid figure sent to driver module, and drive display screen by driver module then and show corresponding stereo-picture, as shown in Figure 6.
In sum; Provided by the inventionly a kind ofly realize the system and the method thereof of stereoscopic drawing, handle and the range finding locating module leaves change-detection staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction of the signal that touch-screen produces according to staff through touch signal based on touch control terminal; Through the result of central processing unit, send the stereoscopic drawing instruction then to the DSP module according to said touch signal processing and range finding locating module; Again through the DSP processing module with said flat volume image carry out that Filtering Processing, Threshold Segmentation are handled, amount of images statistics, and the affirmation and the display process of image parameter; And through the image parameter of driver module according to the affirmation of DSP processing module; Drive display screen and show said stereo-picture; Realized on touch control terminal, drawing a planimetric map through the user, the distance and the angle that move according to staff then generate corresponding stereographic map; Increased the new function of touch control terminal, brought new experience to the user.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. realize the system of stereoscopic drawing it is characterized in that the said terminal that touches comprises based on touch control terminal for one kind:
Be used to accept the touch-screen of the plane picture information of manual input;
The touch signal processing and the locating module of finding range of the change-detection staff that leaves the signal that touch-screen produces according to staff and the angle of the distance of touch-screen and staff and touch-screen vertical direction;
Be used for result, send the central processing unit of stereoscopic drawing instruction to the DSP module according to said touch signal processing and range finding locating module;
Be used for to put down volume image and carry out Filtering Processing, Threshold Segmentation processing, amount of images statistics, the affirmation that reaches image parameter and the DSP processing module of display process;
The FPGA module that is used for matched interfaces logic and sequential;
Be used for image parameter, drive the driver module that display screen shows corresponding stereo-picture according to the affirmation of DSP processing module; And be used for the display screen of display image;
Said touch-screen is handled through said touch signal and the range finding locating module is connected with central processing unit; Said central processing unit is connected with driver module with DSP processing module, FPGA module, and said driver module is connected with display screen with said DSP processing module, FPGA module.
2. the system that realizes stereoscopic drawing based on touch control terminal according to claim 1; It is characterized in that, also comprise the power module that is used for to said touch-screen, touch signal are handled and range finding locating module, central processing unit, DSP processing module, FPGA module, driver module and display screen are supplied power.
3. the system that realizes stereoscopic drawing based on touch control terminal according to claim 1; It is characterized in that; Touch signal is handled and the range finding locating module, is used in staff leaves first Preset Time of touch-screen, detects staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction.
4. the system based on touch control terminal realization stereoscopic drawing according to claim 3 is characterized in that said first Preset Time is 3-6 second.
5. the system based on touch control terminal realization stereoscopic drawing according to claim 1 is characterized in that the DSP processing module is used at staff behind touch-screen upper stationary second Preset Time, confirms the image parameter of stereo-picture.
6. the system based on touch control terminal realization stereoscopic drawing according to claim 5 is characterized in that said second Preset Time is 2-3 second.
7. realize the method for stereoscopic drawing it is characterized in that described method comprises based on touch control terminal for one kind:
A, accept the plane picture information of manual input;
B, leave change-detection staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction of the signal that touch-screen produces according to staff;
C, according to the angle of distance and the staff and the touch-screen vertical direction of staff and touch-screen; With equalling affirmation and the display process that volume image carries out Filtering Processing, Threshold Segmentation processing, amount of images statistics, reaches image parameter, confirm the image parameter of corresponding stereo-picture;
D, drive display screen according to said image parameter and show corresponding stereo-picture.
8. the method that realizes stereoscopic drawing based on touch control terminal according to claim 1; It is characterized in that; Said step B also comprises: in staff leaves first Preset Time of touch-screen, detect staff and the distance of touch-screen and the angle of staff and touch-screen vertical direction.
9. the method based on touch control terminal realization stereoscopic drawing according to claim 1 is characterized in that said step C also comprises: behind touch-screen upper stationary second Preset Time, confirm the image parameter of stereo-picture at staff.
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| CN106775318A (en) * | 2016-12-21 | 2017-05-31 | 广州大学 | A kind of human-computer interaction device and method for realizing touch mapping |
| CN113284207A (en) * | 2021-05-19 | 2021-08-20 | 中山亿联智能科技有限公司 | Automatic drawing method and device |
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Application publication date: 20120704 |