CN2603442Y - Multi-function image processor - Google Patents
Multi-function image processor Download PDFInfo
- Publication number
- CN2603442Y CN2603442Y CN 02293491 CN02293491U CN2603442Y CN 2603442 Y CN2603442 Y CN 2603442Y CN 02293491 CN02293491 CN 02293491 CN 02293491 U CN02293491 U CN 02293491U CN 2603442 Y CN2603442 Y CN 2603442Y
- Authority
- CN
- China
- Prior art keywords
- lcd
- module
- image processor
- image
- interface
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000006870 function Effects 0.000 claims description 5
- 238000010295 mobile communication Methods 0.000 abstract description 9
- 230000008859 change Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 12
- 230000008901 benefit Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a multi-function image processor used in a digital camera device, which comprises a LCD interface which is used for connecting with the external LCD model. The LCD interface receives the image data in the reading frame buffer and transmits to the external LCD model to display. The image processor can directly realize LCD model control and data transmission between the processor and the LCD model. Besides, the host can directly control the LCD model via the channel which is formed by direct connecting the LCD interface and the host interface. The image processor further comprises an independent MCU(Micro-Control Unit). When the image processor of the utility model is used to an independent digital camera, the MCU can be used as a replacer of main controller of the host. The image processor disclosed in the utility model can be used to the independent digital camera, and can either be used to the mobile communication terminal with inlay camera without great change.
Description
Technical field
The present invention relates to a kind of image processor that is used for digital camera, particularly a kind ofly both can be used for having on the mobile communication terminal of digital camera, can be used for the multifunctional image processor on the independent digital camera again.
Background technology
Along with the develop rapidly of digital image technology, various digital vedio recordings or Flame Image Process product have generally entered the lives of the people.Of a great variety as the image processor of digital image field core technology, function also strengthens day by day.
Not only be useful on the image processor on the independent digital camera, also have and be applicable to the mobile communication terminal that has inserted camera such as the image processor on mobile phone or the individual palm PC, it not only can help mobile phone to realize the demonstration of image, more can carry out Image Acquisition and carry out multimedia communication by mobile phone, this compound mobile phone has improved the efficient of using, and also is very easy to the user.
But image processor of the prior art also exists such defective:
Be used on the mobile communication terminal that image processor and being used on the independent digital camera has inserted camera image processor not the able person easily realize exchanging and be general, the production firm of digital product often needs to adopt respectively different image processors on different products, when a kind of image processor will be used on another product, usually will do sizable change, this has just brought the not convenient of extreme.
In addition, it is structured flowchart that has the mobile phone of image processor in the prior art that the image processor that is used for having the mobile phone of camera also has other shortcoming: Fig. 1, and it normally utilizes baseband module 30 ' to control the running of photographing module 20 ' and LCD module 10 '.No matter be at the video flowing of browsing photographing module 20 ' input, still baseband module 30 ' instruction photographing module 20 ' is caught image, or the processing after catching, photographing module 20 ' (comprises camera lens, optical sensor and dsp chip--digital signal processing chip) image of catching all needs to transmit this image again and show to LCD module 10 ' (comprising LCD display, lcd controller and LCD drive part) through baseband module 30 '.And the realization of each process also all needs master controller in the baseband module 30 ' to control and coordinate, and the image processor in the photographing module 20 ' does not play effect too, the burden that this has increased baseband module 30 ' has undoubtedly caused the load of baseband module excessive; And because the image that photographing module 20 ' is caught need just be sent to LCD module 10 ' through behind the baseband module 30 ', so the delay of several two field pictures is arranged between LCD module 10 ' last image that shows and real screen.
The existence of these defectives makes said apparatus can not reach gratifying result of use in practical operation, so the solution of new image processor is by demand.
Summary of the invention
The purpose of this invention is to provide a kind of image processor of avoiding above-mentioned deficiency, for this purpose, the present invention proposes such solution:
A kind of multifunctional image processor, at least comprise some such as SIF/ISP module (232), frame buffer (235), the host interface (231) of general functional module such as Sizer (234) and the main frame that is used to link to each other, it is characterized in that: comprise that also is used for a LCD interface (238) that links to each other with external LCD module (10), described LCD interface (238) receives to read the view data in the frame buffer (235) and send external LCD module (10) to and is used for showing, image processor can by this LCD interface (238) directly realize to the control of LCD module (10) and and LCD module (10) between data transmission, in addition, directly link to each other between this LCD interface (238) and the above-mentioned host interface (231), main frame can directly be controlled described LCD module (10) through formed passage.
So, the user is when carrying out preview to video flowing and when not catching, and view data can be passed through host module, but directly carries out transport flow between photographing module and LCD module, has reduced the unnecessary burden of host module; In addition, host module is when control LCD module is carried out some basic operations that do not need the photographing module participation such as menu demonstration, only promptly can realize as the basic running of controlling the LCD module in the past convenient and simplely, and photographing module does not carry out unnecessary running by the passage in the described image processor.
In addition, in image processor of the present invention, also comprise an independently MCU (microcontroller), when image processor of the present invention is used to an independent digital camera, this MCU just can be used as the supplanter of master controller in the main frame, come controlling to image processor such as basic operations such as automatic focusing, white balances, that is to say, in the host CPU in not having host module, the image processor that has this MCU can be used as an independent camera chip fully and moves.
With respect to prior art, the invention has the advantages that:
At first, based on design disclosed in this invention, described image processor can be used on the independent digital camera, also can be used to have on the mobile communication terminal of inserted camera, and unnecessaryly do very cataclysm.
Secondly, when described image processor is used to have on the mobile communication terminal of inserted camera, its advantage also is tangible: photographing module makes the delay phenomenon between display image and the real screen be able to good elimination with directly linking to each other of LCD module, its optimal image of seeing that the user can at random catch; Structural design provided by the present invention makes baseband module reduce unnecessary load, has improved its utilization factor; In addition, mobile communication terminal when conversing substantially, finish target image catch with transfer operation and be independent of each other also be utilize image processor provided by the present invention can realize.
Above and other objects of the present invention, feature and advantage are from below in conjunction with accompanying drawing be not will become more obvious the specific descriptions of certain embodiments.
Description of drawings
Fig. 1 is structured flowchart that has the mobile phone of image processor in the prior art;
Fig. 2 is a block diagram that has the mobile phone embodiment of image processor of the present invention;
Fig. 3 is the theory diagram of image processor 23 of the present invention;
The simple schematic block diagram of baseband module among Fig. 4 embodiment of the present invention;
Fig. 5 is the data channel synoptic diagram of image processor of the present invention when carrying out the picture preview mode;
Fig. 6 is the data channel synoptic diagram of image processor of the present invention when carrying out the still image acquisition mode;
Fig. 7 is that image processor of the present invention carries out picture and catches the data channel synoptic diagram of back during display mode;
Fig. 8 is the data channel synoptic diagram of image processor of the present invention when carrying out the video capture pattern.
Embodiment
In the following description, known function or structure will no longer describe in detail, to avoid there be unnecessary obscuring with content of the present invention.
Fig. 2 is a block diagram that has the mobile phone embodiment of image processor of the present invention, referring to Fig. 2: for photographing module 20, optical sensor 22 will be converted to electrical picture signal from the light image that camera lens 21 is caught, image processor 23 electrical picture signals from optical sensor 22 inputs are converted to digital signal and will change after digital signal pass to LCD module 10 or baseband module 30 after further handling.
Memory module 60 is used for storing data that mobile device need store and the view data that captures from photographing module 20.
Keyboard portion 70 is man-machine interface interfaces of user and this device, and the user is used for finishing the various operations that need.
The voice signal of the coding that audio-frequency module 90 demodulation receive from RF module 40 and the voice signal that demodulation is provided be to loudspeaker 92, and coding from the electroacoustic signal of microphone 91 and voice signal through coding is provided to RF module 40.
RF (radio frequency) module 40 comprises the RF processor mainly input rf signal handled, be the RF conversion of signals IF (intermediate frequency) processor of IF signal and be the IF conversion of signals baseband processor of baseband module 30 accessible base-band bit-streams.In addition, although not shown, RF module 40 is divided into receiver and transmitter.Receiver in the RF module 40 amplifies the RF signal of input and suppresses noise, and through the IF processor amplifying signal is converted to digital signal.The digital signal of conversion is provided for baseband module 30.Transmitter in the RF module 40 is amplifying according to the signal after the band modulation of providing from baseband module 30, and launches this signal through the antenna part of not describing.
Fig. 3 is the theory diagram of image processor 23 of the present invention, as shown in Figure 3, in this mobile communications device, the host interface 231 of baseband module 30 in image processor 23 links to each other with LCD module 10 with LCD interface 238 formed transparent channels, so, when not needing camera operation, baseband module 30 can also be controlled the basic running of LCD module like before convenient and simplely, and this moment, the camera function of image processor 23 did not carry out work.
In addition, photographing module 20 is by carrying out image and data transmission between baseband module 30 and the LCD module 10, but directly directly links to each other with LCD module 10 by the LCD interface 238 in the image processor 23; Host CPU 32 in the baseband module 30 is controlled the work of image processor 23 by host interface 231, order and data that host interface 231 receives from baseband module.The RGB/YUV view data that SIF (sensor interface sensor interface) and ISP (processing of image signal processing picture signal) module 232 receives from CCD/CMOS imageing sensor 22 is carried out such as some algorithm operatings such as white balance, color correction, gamma correction, interpolation correction this view data.Sizer (image size manager) 234 can change the resolution from the image of imageing sensor 22, and it can provide the different resolution that is fit to image preview and seizure.Although not shown, sizer (big or small manager) is divided into Previewsizer (preview image size manager) and Capture sizer (catching image size manager) two parts.Wherein MCU (microcontroller) 240 can controlling such as basic operations such as automatic focusing, white balances image processor 23, in the host CPU 32 in not having baseband module 30, the image processor 23 that has MCU (microcontroller) 240 can be used as an independent camera chip fully and moves.
JPEG (joint image coding expert group) coding and decoding unit 236, can will perhaps the jpeg file decompress(ion) be condensed to the yuv format file from the yuv format data image signal boil down to jpeg file of Sizer module 234 inputs according to the international standard of compressed color picture.Frame buffer 235 is used for storing the interim view data of a frame.GE (grapbics engine image engine) 245 is that a special logic processor is used for two dimensional image operations such as execute bit block transfer, setting-out, raster manipulation.
YUV-RGB converter 242 carries out the conversion between YUV and the RGB picture format.Itself and Dither-ing (color depth processing) part 247 are fit to the LCD module to view data together and carry out the format analysis processing that image shows.Memory interface 239 is used for connecting flash memory module 60, carries out the storage of data.Also comprise SPI interface 230 in addition in this device, and link to each other with internal bus with system controller.
When carrying out such as Jepg coding and decoding algorithm process, processing to pixel is to be undertaken by piece, and when being carried out sharpening, noise removing, image carries out with the line pixel at other, Sizer line buffer 244 and Jepg line buffer 248 are exactly for such reason, because of the important expression part of non-the present invention, so seldom lay down a definition herein.
Image processor of the present invention can be used as the picture processing chip of independent digital camera or inserted digital camera.When as an independent digital camera chip time, there is not outside CPU, MCU240 is exactly a system controller.When as the picture processing chip of inserted digital camera on mobile communication terminal, the host CPU on the base band is controlled the running of this image processor.
When image processor of the present invention has four mode of operations as the picture processing chip camera operation of independent digital camera or inserted digital camera and processing the time: preview mode, the still image acquisition mode, catch back display mode and Video Capture pattern.
In preview mode, the video flowing that continues is displayed on the LCD display 11, the user can regulate on the LCD display 11 just demonstrating the different zoom rate and the resolution of image, when the user sees appropriate screen, can catch this image by operation such as button to keyboard portion 70.Shown in the data channel synoptic diagram when carrying out the picture preview as Fig. 5 device of the present invention, image processor 23 receives from the view data of imageing sensor 22 and to its processing of being correlated with by SIF/ISP module 232, change the resolution of image by Preview sizer (preview image size manager) 234 then, carry out the color depth processing of color space transformation and Dithering part 247 through YUV-RGB converter 242 after, image is stored in frame buffer 235, and GE245 can make some hardware graphicses to image and quicken to handle.Last lcd controller 13 and LCD interface 238 are read view data and are sent LCD module 10 to and is used for showing from frame buffer 235.
In the still image acquisition mode, after the selected appropriate screen of user, he can catch a two field picture.Data channel synoptic diagram when carrying out the still image acquisition mode as Fig. 6 image processor of the present invention.Host CPU or MCU240 send capture command, image processor can be caught the next frame image, when the user capture a two field picture after, at first handle through SIF/ISP module 232, Sizer module 234 changes the resolution of image according to user's selection then, JPEG coding and decoding unit 236 compresses image and is stored in the frame buffer 235, send the instruction of transmitted image at baseband module 30 after, this jpeg image is sent out.
Image processor of the present invention has catches the back Presentation Function, in catching the back display mode, image in the frame buffer 235 is a jpeg image, image that it is caught by this device by the user or the image that sends by host CPU, after decompressing through JPEG coding and decoding unit 236, image is converted into the yuv data form, after changing the resolution of image and carry out the color depth processing of color space transformation and Dither-ing (color depth processing) part through YUV-RGB converter 242 by sizer234 then, image is stored in frame buffer 235, sends LCD module 10 to through LCD interface 238 then and shows.Its data channel is referring to Fig. 7.
In the Video Capture pattern, image processor of the present invention can be caught QCIF/CIF MJEPG video snip and is stored in the frame buffer 235, its data channel is similar with the still image trap mode, the resolution of different is this image is very little, and has multiframe JEPG image and be positioned in the frame buffer 235.Its data channel is referring to Fig. 8.
Multifunctional image processor of the present invention, be not restricted to listed utilization in instructions and the embodiment, it can be applied to various suitable the present invention's field fully, for those skilled in the art, can easily realize additional advantage and make amendment, therefore under the situation of the spirit and scope of the universal that does not deviate from claim and equivalency range and limited, the examples shown that the present invention is not limited to specific details, representational equipment and illustrates here and describe.
Claims (3)
1, a kind of multifunctional image processor, at least comprise some such as SIF/ISP module (232), frame buffer (235), the host interface (231) of general functional module such as Sizer (234) and the main frame that is used to link to each other, it is characterized in that: comprise that also is used for a LCD interface (238) that links to each other with external LCD module (10), described LCD interface (238) receives to read the view data in the frame buffer (235) and send external LCD module (10) to and is used for showing, image processor can by this LCD interface (238) directly realize to the control of LCD module (10) and and LCD module (10) between data transmission, in addition, directly link to each other between this LCD interface (238) and the above-mentioned host interface (231), main frame can directly be controlled described LCD module (10) through formed passage.
2, multifunctional image processor according to claim 1 is characterized in that, described image processor also further comprises the MCU microcontroller (240) that a may command photographing module independently carries out operate as normal.
3, multifunctional image processor according to claim 1, it is characterized in that, sizer (234) is divided into Preview sizer (preview image size manager) and Capture sizer (catching image size manager) two parts, its shared same hardware resource is carried out different functions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293491 CN2603442Y (en) | 2002-12-25 | 2002-12-25 | Multi-function image processor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02293491 CN2603442Y (en) | 2002-12-25 | 2002-12-25 | Multi-function image processor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2603442Y true CN2603442Y (en) | 2004-02-11 |
Family
ID=34151820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02293491 Expired - Fee Related CN2603442Y (en) | 2002-12-25 | 2002-12-25 | Multi-function image processor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2603442Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295939C (en) * | 2002-12-25 | 2007-01-17 | 北京中星微电子有限公司 | Multifunctional image processor |
| CN101299777B (en) * | 2008-05-05 | 2011-01-19 | 北京天宇朗通通信设备股份有限公司 | Mobile terminal |
| CN101415112B (en) * | 2007-10-17 | 2011-10-05 | 株式会社日立制作所 | Display apparatus |
| CN103402055A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Camera chip for mobile terminal, mobile terminal with image pick-up function, shooting method for mobile terminal and shooting device for mobile terminal |
| CN109242757A (en) * | 2018-09-29 | 2019-01-18 | 南昌黑鲨科技有限公司 | intelligent terminal, image processing method and computer readable storage medium |
-
2002
- 2002-12-25 CN CN 02293491 patent/CN2603442Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1295939C (en) * | 2002-12-25 | 2007-01-17 | 北京中星微电子有限公司 | Multifunctional image processor |
| CN101415112B (en) * | 2007-10-17 | 2011-10-05 | 株式会社日立制作所 | Display apparatus |
| CN101299777B (en) * | 2008-05-05 | 2011-01-19 | 北京天宇朗通通信设备股份有限公司 | Mobile terminal |
| CN103402055A (en) * | 2013-07-29 | 2013-11-20 | 广东欧珀移动通信有限公司 | Camera chip for mobile terminal, mobile terminal with image pick-up function, shooting method for mobile terminal and shooting device for mobile terminal |
| CN109242757A (en) * | 2018-09-29 | 2019-01-18 | 南昌黑鲨科技有限公司 | intelligent terminal, image processing method and computer readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7821548B2 (en) | Temporal image buffer for image processor using compressed raw image | |
| CN107079105B (en) | Image processing method, device, equipment and video image transmission system | |
| CN109167915A (en) | Image processing method, system and computer readable storage medium | |
| CN1578452A (en) | Remote display protocol, video display system, and terminal equipment | |
| CN101047785A (en) | Camera-enabled portable terminal and method for taking multi-image photograph using the same | |
| CN1780390A (en) | Picture taking system and method for mobile communication terminal for displaying site of taking pictures | |
| US20090041363A1 (en) | Image Processing Apparatus For Reducing JPEG Image Capturing Time And JPEG Image Capturing Method Performed By Using Same | |
| WO2020063506A1 (en) | Smart terminal, image processing method and computer-readable storage medium | |
| KR20110013072A (en) | Method and apparatus for generating a compressed file, camera module associated with it, and terminal having the camera module | |
| CN101771797B (en) | Method and apparatus for generating a compressed file, and terminal comprising the apparatus | |
| US20080018743A1 (en) | Image data processing system and method thereof | |
| CN115526787A (en) | Video processing method and device | |
| CN1280742C (en) | Image processor for mobile communication terminal having pick-up head | |
| CN2603442Y (en) | Multi-function image processor | |
| CN107743198B (en) | Photographing method, terminal and storage medium | |
| CN1798384A (en) | Apparatus and method for enhancing image quality of a mobile communication terminal | |
| CN1295939C (en) | Multifunctional image processor | |
| CN1276675C (en) | Mobile communication terminal device with pickup head | |
| CN1522071A (en) | Mobile terminal having image processing function and method therefor | |
| CN2666061Y (en) | Mobile communication terminal device with video camera | |
| WO2022179600A1 (en) | Video coding method and apparatus, video decoding method and apparatus, and electronic device | |
| CN1901667A (en) | Method for performing presentation in video telephone mode and wireless terminal implementing the same | |
| CN1274170C (en) | Image processing method for mobile communication terminal having pick-up head | |
| KR101666927B1 (en) | Method and apparatus for generating a compressed file, and terminal having the apparatus | |
| CN1592457A (en) | Cell phone photographing method and camera for cell phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: 15/F, SHINING BUILDING, NO. 35, XUE YARD ROAD, HAI Free format text: FORMER NAME OR ADDRESS: 5/F, HAIDIANKEJI BUILDING, NO. 3, NANDA STREET, ZHONGGUAN VILLAGE, BEIJING CITY, 100081 |
|
| CP03 | Change of name, title or address |
Patentee address after: 100083, Haidian District, Xueyuan Road, Beijing No. 35, Nanjing Ning building, 15 Floor Patentee address before: 100081, 5 floor, Haidian science and technology building, 3 South Avenue, Beijing, Zhongguancun |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040211 Termination date: 20111225 |