CN104159096A - 3D endoscope system based on liquid crystal attached silicon and display method - Google Patents
3D endoscope system based on liquid crystal attached silicon and display method Download PDFInfo
- Publication number
- CN104159096A CN104159096A CN201410415312.9A CN201410415312A CN104159096A CN 104159096 A CN104159096 A CN 104159096A CN 201410415312 A CN201410415312 A CN 201410415312A CN 104159096 A CN104159096 A CN 104159096A
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- picture signal
- ycbcr
- field picture
- picture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention discloses a 3D endoscope system based on liquid crystal attached silicon. The 3D endoscope system comprises a composite video interface, a video decoding module, a 3D image processing module, a data caching module and a display module, wherein the composite video interface is used for receiving a composite video signal input from the exterior; the video decoding module is used for decoding the composite video signal and outputting a Ycbcr image signal; the 3D image processing module is used for converting the Ycbcr image signal to an RGB (Red Green Blue) image signal; the data caching module is used for dividing the RGB image signal to odd field images and even field images to buffer and outputting to the 3D image processing module after implementing frame rate up conversion of the odd field images and the even field images; the display module comprises a first liquid crystal attached silicon display unit used for displaying the odd field images and a second liquid crystal attached silicon display unit used for displaying the even field images, wherein the 3D image processing module is an FPGA (Field Programmable Gate Array). The 3D endoscope system based on liquid crystal attached silicon and the display method have the advantages of good display effect and convenience for use.
Description
Technical field
The present invention relates to video signal treatment technique, particularly relate to a kind of 3D endoscopic system and display packing based on the attached silicon of liquid crystal.
Background technology
Endoscope is a pipe that is equipped with light, and it can enter in stomach or enter in body through other natural ducts by direct oral cavity.Utilize endoscope can see the pathology that X ray can not show, so it is a kind of very useful medicine equipment.Development along with endoscopic technique, has engendered stereo endoscope, is also 3D endoscope.
Traditional 3D endoscope is generally the common display of application and then realizes by wearing 3D eyeglass.So not only use trouble, and display effect is not good yet.
Summary of the invention
Based on this, there are 3D endoscopic system and the display packing based on the attached silicon of liquid crystal that provide a kind of display effect good and easy to use.
A 3D endoscopic system based on the attached silicon of liquid crystal, comprises composite video interface, video decode module, 3D rendering processing module, data cache module and display module;
Described composite video interface is for receiving the composite video signal of outside input and being input to described video decode module;
Described video decode module is for decoding described composite video signal and exporting Ycbcr picture signal;
Described 3D rendering processing module is connected with described video decode module, for receiving described Ycbcr picture signal and described Ycbcr picture signal being converted to RGB picture signal;
Described RGB picture signal is divided into strange field picture to described data cache module and even field picture is carried out buffer memory, and after the frame frequency lifting of realizing described strange field picture and even field picture, output to described 3D rendering processing module;
Described display module is connected with described 3D rendering processing module, comprise the attached silicon display unit of the first liquid crystal and the attached silicon display unit of the second liquid crystal, the attached silicon display unit of described the first liquid crystal is used for showing strange field picture, and the attached silicon display unit of described the second liquid crystal is used for showing even field picture;
Wherein, described 3D rendering processing module is FPGA.
In an embodiment, described video decode module is the chip of TVP5150 model therein.
Therein in an embodiment, described 3D rendering processing module comprises data merge cells, data zooming unit and color space converting unit, described data merge cells is for being converted to the Ycbcr picture signal of 8 of serials the Ycbcr picture signal of parallel 24, described data zooming unit is scaled the Ycbcr picture signal of 640*480 for the Ycbcr picture signal that is 720*288 by resolution, described color space converting unit is for being converted to RGB picture signal by Ycbcr picture signal.
In an embodiment, 1～320 row of described RGB picture signal are as strange field picture therein, and 321～640 row of described RGB picture signal are as even field picture.
In an embodiment, described 3D rendering processing module comprises the attached silicon timing generation unit of liquid crystal, for controlling the display timing generator of described strange field picture and even field picture therein.
Therein in an embodiment, the frame frequency lifting to 120 hertz of described strange field picture and even field picture.
A 3D endoscope display packing based on the attached silicon of liquid crystal, comprising:
Receive the composite video signal of outside input;
Described composite video signal is decoded as to Ycbcr picture signal;
Ycbcr picture signal is converted to RGB picture signal and is divided into strange field picture and the storage of even field picture;
Described strange field picture and even field picture are separately shown.
Therein in an embodiment, the described step that Ycbcr picture signal is converted to RGB picture signal specifically comprises:
The Ycbcr picture signal of 8 of serials is converted to the Ycbcr picture signal of parallel 24;
The resolution of the Ycbcr picture signal of described parallel 24 is scaled to 640*480 from 720*288;
Ycbcr picture signal after resolution convergent-divergent is converted to RGB picture signal.
In an embodiment, 1～320 row of described RGB picture signal are as strange field picture therein, and 321～640 row of described RGB picture signal are as even field picture.
Therein in an embodiment, before the step that described strange field picture and even field picture are separately shown, also comprise:
Control the display timing generator of described strange field picture and even field picture.
Above-mentioned 3D endoscopic system and display packing based on the attached silicon of liquid crystal, comprise composite video interface, video decode module, 3D rendering processing module, data cache module and display module, described 3D rendering processing module receives described Ycbcr picture signal and described Ycbcr picture signal is converted to then RGB picture signal is divided into strange field picture and even field picture is stored and shows; In addition, described 3D rendering processing module is FPGA, for different vision signals and requirement, programme like this, described data cache module need to realize the frame frequency lifting of image, make it reach the frequency requirement of the attached silicon of liquid crystal, thereby make display effect good, and do not need to wear again in addition 3D glasses, easy to use.
Accompanying drawing explanation
Fig. 1 is the frame diagram of the 3D endoscopic system of an embodiment based on the attached silicon of liquid crystal;
Fig. 2 is the frame diagram of an embodiment 3D rendering processing module;
Fig. 3 is the flow chart of the 3D endoscope display packing of an embodiment based on the attached silicon of liquid crystal.
Embodiment
Please refer to Fig. 1, is the frame diagram of the 3D endoscopic system of an embodiment based on the attached silicon of liquid crystal.Should comprise composite video interface 110, video decode module 120,3D rendering processing module 130, data cache module 140 and display module 150 by the 3D endoscopic system based on the attached silicon of liquid crystal.
Composite video interface 110 is for receiving the composite video signal (CVBS, Composite Video Broadcast Signal) of outside input and being input to video decode module 120.The film source of the composite video signal is here sidebyside film source, i.e. 2D film source.Video decode module 120 is for decoding described composite video signal and exporting Ycbcr picture signal.In the present embodiment, video decode module 120 is the chip of TVP5150 model.
TVP5150 chip is super low-power consumption, the high-performance Video Decoder of supporting the forms such as NTSC/PAL/SECAM, and it can receive 2 tunnel composite video signals or 1 tunnel two component vide interface (S-Video) signals.By single-chip microcomputer I2C bus, internal register is set, can exports the ITU-R BT.656 signal (synchronizing signal is embedded) of 8 4:2:2, and the ITU-R BT.601 signal of 8 4:2:2 (synchronizing signal is separated, pin output separately).
3D rendering processing module 130 is connected with video decode module 120, for receiving described Ycbcr picture signal and described Ycbcr picture signal being converted to RGB picture signal.
Ycbcr and RGB are the color modes of relatively commonly using.The image that YCbCr or Y'CbCr are typically used in film is processed continuously, or in digital photography system.Y' is that brightness (luma) composition CB and the CR of color is blue and red concentration excursion amount composition.Y' and Y are different, and Y is exactly so-called lumen (luminance), represent the concentration of light and be non-linear, use the processing of gamma-corrected (gamma correction) coding.General display screen adopts RGB pattern to show, in image, the RGB component of each pixel distributes the intensity level in 0～255 scope.
In the present embodiment, 3D rendering processing module 130 is FPGA (Field-Programmable Gate Array, field programmable gate array).FPGA is the product further developing on the basis of the programming devices such as PAL, GAL, CPLD.It occurs as a kind of semi-custom circuit in application-specific integrated circuit (ASIC) (ASIC) field, has both solved the deficiency of custom circuit, has overcome again the limited shortcoming of original programming device gate circuit number.
Please, simultaneously in conjunction with Fig. 2, be the frame diagram of an embodiment 3D rendering processing module particularly.
3D rendering processing module 130 comprises data merge cells 132, data zooming unit 134 and color space converting unit 136.
Data merge cells 132 is for being converted to the Ycbcr picture signal of 8 of serials the Ycbcr picture signal of parallel 24.
Data zooming unit 134 is scaled the Ycbcr picture signal of 640*480 for the Ycbcr picture signal that is 720*288 by resolution.
Color space converting unit 136 is for being converted to RGB picture signal by Ycbcr picture signal.
Described RGB picture signal is divided into strange field picture to data cache module 140 and even field picture is carried out buffer memory, and output to 3D rendering processing module 130 after the frame frequency lifting of realizing described strange field picture and even field picture.In the present embodiment, after the frame frequency lifting of described strange field picture and even field picture, reach 120 hertz.
Wherein, described strange field picture is 1～320 row of described RGB picture signal, and described even field picture is 321～640 row of described RGB picture signal.In addition, in the present embodiment, described RGB picture signal is RGB666 signal, is appreciated that in other embodiments, and described RGB picture signal can also be RGB565.
In other embodiments, 3D rendering processing module 130 also comprises the attached silicon timing generation unit of liquid crystal, for controlling the display timing generator of described strange field picture and even field picture.
Display module 150 is connected with 3D rendering processing module 130, comprise the attached silicon display unit of the first liquid crystal and the attached silicon display unit of the second liquid crystal, the attached silicon display unit of described the first liquid crystal is used for showing strange field picture, and the attached silicon display unit of described the second liquid crystal is used for showing even field picture.
The attached silicon of liquid crystal (LCOS, Liquid Crystal on Silicon) be also liquid crystal on silicon, is a kind of based on reflective-mode, matrix liquid crystal display device that size is very little.
The composite video signal of film source is by exporting Ycbcr picture signal in 3D rendering processing module after decoding, described 3D rendering processing module is converted to RGB picture signal by described Ycbcr picture signal, then be divided into strange field picture and even field picture is buffered in data cache module, and by described 3D rendering processing module, strange field picture is presented in the attached silicon display unit of the first liquid crystal of display module after the frame frequency lifting of realizing described strange field picture and even field picture, even field picture is presented in the attached silicon display unit of the second liquid crystal of display module, utilize the otherness of left and right image in sidebyside film source, human eye watches the attached silicon display unit of the first liquid crystal and the attached silicon display unit of the second liquid crystal can realize 3D effect simultaneously.
Please refer to Fig. 3, a kind of 3D endoscope display packing based on the attached silicon of liquid crystal be also provided, comprising:
Step S110: the composite video signal that receives outside input.
Step S120: described composite video signal is decoded as to Ycbcr picture signal.
Step S130: Ycbcr picture signal is converted to RGB picture signal and is divided into strange field picture and the storage of even field picture.
Step S140: described strange field picture and even field picture are separately shown.
Wherein in step S130, Ycbcr picture signal being converted to RGB picture signal is specially:
The Ycbcr picture signal of 8 of serials is converted to the Ycbcr picture signal of parallel 24;
The resolution of the Ycbcr picture signal of described parallel 24 is scaled to 640*480 from 720*288;
Ycbcr picture signal after resolution convergent-divergent is converted to RGB picture signal.
Above-mentioned 3D endoscopic system and display packing based on the attached silicon of liquid crystal, comprise composite video interface, video decode module, 3D rendering processing module, data cache module and display module, described 3D rendering processing module receives described Ycbcr picture signal and described Ycbcr picture signal is converted to then RGB picture signal is divided into strange field picture and even field picture is stored and shows; In addition, described 3D rendering processing module is FPGA, for different vision signals and requirement, programme like this, described data cache module need to realize the frame frequency lifting of image, make it reach the frequency requirement of the attached silicon of liquid crystal, thereby make display effect good, and do not need to wear again in addition 3D glasses, easy to use.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. the 3D endoscopic system based on the attached silicon of liquid crystal, is characterized in that, comprises composite video interface, video decode module, 3D rendering processing module, data cache module and display module;
Described composite video interface is for receiving the composite video signal of outside input and being input to described video decode module;
Described video decode module is for decoding described composite video signal and exporting Ycbcr picture signal;
Described 3D rendering processing module is connected with described video decode module, for receiving described Ycbcr picture signal and described Ycbcr picture signal being converted to RGB picture signal;
Described RGB picture signal is divided into strange field picture to described data cache module and even field picture is carried out buffer memory, and after the frame frequency lifting of realizing described strange field picture and even field picture, output to described 3D rendering processing module;
Described display module is connected with described 3D rendering processing module, comprise the attached silicon display unit of the first liquid crystal and the attached silicon display unit of the second liquid crystal, the attached silicon display unit of described the first liquid crystal is used for showing strange field picture, and the attached silicon display unit of described the second liquid crystal is used for showing even field picture;
Wherein, described 3D rendering processing module is FPGA.
2. the 3D endoscopic system based on the attached silicon of liquid crystal according to claim 1, is characterized in that, described video decode module is the chip of TVP5150 model.
3. the 3D endoscopic system based on the attached silicon of liquid crystal according to claim 1, it is characterized in that, described 3D rendering processing module comprises data merge cells, data zooming unit and color space converting unit, described data merge cells is for being converted to the Ycbcr picture signal of 8 of serials the Ycbcr picture signal of parallel 24, described data zooming unit is scaled the Ycbcr picture signal of 640*480 for the Ycbcr picture signal that is 720*288 by resolution, described color space converting unit is for being converted to RGB picture signal by Ycbcr picture signal.
4. the 3D endoscopic system based on the attached silicon of liquid crystal according to claim 3, is characterized in that, 1～320 row of described RGB picture signal are as strange field picture, and 321～640 row of described RGB picture signal are as even field picture.
5. the 3D endoscopic system based on the attached silicon of liquid crystal according to claim 1, is characterized in that, described 3D rendering processing module comprises the attached silicon timing generation unit of liquid crystal, for controlling the display timing generator of described strange field picture and even field picture.
6. the 3D endoscopic system based on the attached silicon of liquid crystal according to claim 1, is characterized in that the frame frequency lifting to 120 hertz of described strange field picture and even field picture.
7. the 3D endoscope display packing based on the attached silicon of liquid crystal, is characterized in that, comprising:
Receive the composite video signal of outside input;
Described composite video signal is decoded as to Ycbcr picture signal;
Ycbcr picture signal is converted to RGB picture signal and is divided into strange field picture and the storage of even field picture;
Described strange field picture and even field picture are separately shown.
8. the 3D endoscope display packing based on the attached silicon of liquid crystal according to claim 7, is characterized in that, the described step that Ycbcr picture signal is converted to RGB picture signal specifically comprises:
The Ycbcr picture signal of 8 of serials is converted to the Ycbcr picture signal of parallel 24;
The resolution of the Ycbcr picture signal of described parallel 24 is scaled to 640*480 from 720*288;
Ycbcr picture signal after resolution convergent-divergent is converted to RGB picture signal.
9. the 3D endoscope display packing based on the attached silicon of liquid crystal according to claim 7, is characterized in that, 1～320 row of described RGB picture signal are as strange field picture, and 321～640 row of described RGB picture signal are as even field picture.
10. the 3D endoscope display packing based on the attached silicon of liquid crystal according to claim 7, is characterized in that, before the step that described strange field picture and even field picture are separately shown, also comprises:
Control the display timing generator of described strange field picture and even field picture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415312.9A CN104159096A (en) | 2014-08-20 | 2014-08-20 | 3D endoscope system based on liquid crystal attached silicon and display method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415312.9A CN104159096A (en) | 2014-08-20 | 2014-08-20 | 3D endoscope system based on liquid crystal attached silicon and display method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104159096A true CN104159096A (en) | 2014-11-19 |
Family
ID=51884488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410415312.9A Pending CN104159096A (en) | 2014-08-20 | 2014-08-20 | 3D endoscope system based on liquid crystal attached silicon and display method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104159096A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236596A (en) * | 1999-05-07 | 1999-12-01 | 中国科学院合肥智能机械研究所 | 3-D visual endoscope |
| CN2698267Y (en) * | 2004-03-23 | 2005-05-11 | 天津大学 | Real-time system for correcting standard video image distortion of medical electronic endoscope |
| CN101651809A (en) * | 2009-09-22 | 2010-02-17 | 西安交通大学 | Method for storage and read/write control of memory for processing binocular stereoscopic-displaying videos |
| CN101651810A (en) * | 2009-09-22 | 2010-02-17 | 西安交通大学 | Device and method for processing interlaced line-crossing stereoscopic composite video signals |
-
2014
- 2014-08-20 CN CN201410415312.9A patent/CN104159096A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236596A (en) * | 1999-05-07 | 1999-12-01 | 中国科学院合肥智能机械研究所 | 3-D visual endoscope |
| CN2698267Y (en) * | 2004-03-23 | 2005-05-11 | 天津大学 | Real-time system for correcting standard video image distortion of medical electronic endoscope |
| CN101651809A (en) * | 2009-09-22 | 2010-02-17 | 西安交通大学 | Method for storage and read/write control of memory for processing binocular stereoscopic-displaying videos |
| CN101651810A (en) * | 2009-09-22 | 2010-02-17 | 西安交通大学 | Device and method for processing interlaced line-crossing stereoscopic composite video signals |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5062674B2 (en) | System, method, and computer program product for compensating for crosstalk when displaying stereo content | |
| CN103957345B (en) | Method and system for processing image signals and displayer | |
| EP2950301B1 (en) | Signal processing method, signal processing system and display device | |
| CN111316204A (en) | Display system | |
| US20160065865A1 (en) | Imaging device and imaging system | |
| US20200184690A1 (en) | Non-linear color correction | |
| WO2008090851A1 (en) | Image processing device, method and program, and display device | |
| CN107105185A (en) | The transmission method and device of vision signal | |
| CN102291587B (en) | Full high-definition 3D (Three Dimensional) video processing method | |
| CN106506950A (en) | A kind of image processing method and device | |
| US20140184615A1 (en) | Sequential Rendering For Field-Sequential Color Displays | |
| US20150042659A1 (en) | Video data compression format | |
| CN114866809A (en) | Video conversion method, device, equipment, storage medium and program product | |
| US20190051270A1 (en) | Display processing device and imaging device | |
| WO2016004715A1 (en) | Display processing system and method, and electronic device | |
| TWI472232B (en) | Video transmission by decoupling color components and apparatus thereof and processor readable tangible medium encoded with instructions | |
| CN104159096A (en) | 3D endoscope system based on liquid crystal attached silicon and display method | |
| TWI229544B (en) | Preview system of a digital camera | |
| CN205356560U (en) | Oral cavity image system | |
| CN201854377U (en) | Digital interface of stereoscopic camera based on field programmable gate array (FPGA) | |
| JP2000187468A (en) | Picture display device | |
| WO2022011816A1 (en) | Display screen and display device | |
| KR101012585B1 (en) | Multi-channelImage registration system and the Method | |
| KR100933171B1 (en) | Non-memory semiconductor embodied graphic display function | |
| US8854490B2 (en) | Method and apparatus for compensating a black level of an image signal |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141119 |