CN2606994Y - Image processor in mobile communication terminal with camera head - Google Patents
Image processor in mobile communication terminal with camera head Download PDFInfo
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- CN2606994Y CN2606994Y CNU032421834U CN03242183U CN2606994Y CN 2606994 Y CN2606994 Y CN 2606994Y CN U032421834 U CNU032421834 U CN U032421834U CN 03242183 U CN03242183 U CN 03242183U CN 2606994 Y CN2606994 Y CN 2606994Y
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- 238000010295 mobile communication Methods 0.000 title abstract description 5
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 11
- 230000003287 optical effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
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Abstract
The utility model discloses an image processor in mobile communication terminal with camera head, belonging to image processing field. The utility model can make a shooting module exchange image data with a LCD module without passing a baseband module, thereby reducing the load of the baseband module and eliminating the delay between the image displayed by the LCD module and the real picture. The utility model comprises a host interface, a JPEG coding and decoding unit, a SIF/ISP unit, an image size manage unit, a YUV-RGB convertor, a system controller, an internal bus, a LCD control unit which makes the host machine directly control the LCD module, wherein the output signal of the system controller and the internal bus are used to control the LCD control unit, which receives the image data converted by the YUV-RGB convertor and sends to the LCD module for displaying.
Description
Technical field
The utility model relates to a kind of image processor, particularly a kind of image processor that is used for having the communication terminal of camera.
Background technology
Along with the develop rapidly of digital image technology, various digital vedio recordings or image processing 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 palmtop 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, there is such shortcoming in the existing image processor that is used for having the mobile phone of camera: referring to Fig. 1, the mobile phone that has camera comprises functional modules such as photographing module 20 ', baseband module 30 ' and LCD module 10 ', and photographing module 20 ' wherein comprises camera lens, optical pickocff and image processor.The running of baseband module 30 ' control photographing module 20 ' and LCD module 10 '.No matter be the video flowing of browsing photographing module 20 ' input by LCD module 10 ', still photographing module 20 ' is caught behind the image image by LCD module 10 ' display capture all needs to pass through baseband module 30 ' and transmits this image to LCD module 10 ' by photographing module 20 ' again.And the realization of each process also all needs master controller in the baseband module 30 ' to control and coordinate, and 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 the mobile phone that has camera can not reach gratifying result of use in practical operation, and therefore being badly in need of occurring a kind of photographing module 20 ' that can make does not need just can carry out the image processor that view data is transmitted mutually with LCD module 10 ' through baseband module 30 '.
The utility model content
The purpose of this utility model provides a kind of image processor that is used for having the communication terminal of camera.It can make photographing module not need just can carry out the view data transmission mutually with the LCD module through baseband module, has alleviated the burden of baseband module, has eliminated the delay between LCD module display image and the real screen.
In order to realize the foregoing invention purpose, the technical solution of the utility model realizes as follows:
Be used for having the image processor of the communication terminal of camera, comprise the host interface that links to each other with main frame, JPEG coding and decoding unit with the mutual Data transmission of host interface, reception is from the SIF/ISP unit of the view data of CCD/CMOS imageing sensor transmission, the view data that the SIF/ISP unit is transmitted handle and with the image size administrative unit of the mutual Data transmission in JPEG coding and decoding unit, data after the processing of image size administrative unit are carried out the YUV-RGB transducer that YUV-RGB changes, system controller and internal bus, described host interface is controlled each unit by system controller and internal bus.Its design feature is, also comprise the LCD control unit that can make main frame directly control the LCD module, the output signal of system controller and internal bus is used to control described LCD control unit, and described LCD control unit receives through the view data of YUV-RGB transducer conversion and sends it to the LCD module and shows.
Above-mentioned LCD control unit comprises frame buffer, LCD VIEW unit and LCD driving interface unit, the view data that described frame buffer is changed the YUV-RGB transducer is sent to the LCDVIEW unit and handles, and the view data after the LCD VIEW cell processing sends to LCD driving interface unit.
Above-mentioned LCD VIEW unit comprises Gamma corrector and color depth processor, carries out color depth by the color depth processor again after view data is handled through the Gamma corrector and handles.
Above-mentioned JPEG coding and decoding unit comprises JPEG line buffer, JPEG coding decoder and JPEG buffer.Above-mentioned image size administrative unit comprises image size boundary of administration buffer and image size manager.
The utility model image processor also comprises the 2-D image engine that storing image data in the described frame buffer is carried out the two dimensional image operation.
The utility model is owing to adopted above-mentioned structure, when described image processor is used to have on the mobile communication terminal of inserted camera, photographing module is directly linked to each other with the LCD module, thereby make the delay phenomenon between display image and the real screen be able to good elimination, its optimal image of seeing that the user can at random catch; Structural design provided by the utility model makes baseband module reduce unnecessary load, has improved its utilance; 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 utility model can realize.
Description of drawings
Fig. 1 is to use the structured flowchart of the mobile phone of prior art image processor;
Fig. 2 is to use structured flowchart of the present utility model;
Fig. 3 is a structured flowchart of the present utility model.
Fig. 4 is the flow chart of preview mode in the utility model implementation method;
Fig. 5 is the flow chart of still image acquisition mode in the utility model implementation method;
Fig. 6 is the flow chart of catching the back display mode in the utility model implementation method;
Fig. 7 is the flow chart of video capture pattern in the utility model implementation method.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Referring to Fig. 2, the mobile phone that has camera comprises baseband module 30, LCD module 10, photographing module 20, RF module 40, power module 50, FLASH memory 60, keyboard portion 70, Sim card 80 and audio-frequency module 90.Photographing module 20 comprises optical pickocff 22, camera lens 21 and image processor 23, optical pickocff 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 pickocff 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.Baseband module 30 is cores of whole mobile phone, and it links to each other with SIM card (Subscriber Identity Module Subscriber Identity Module), memory module 60, keyboard portion 70, audio-frequency module 90 and power module 50 etc.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 loud speaker, and coding from the electroacoustic signal of microphone and voice signal through coding is provided to RF module 40.The LCD module is used to show the basic operation state of camera phone, and the image that camera is caught or the image file in the phone storage device show.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 reflector.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.Reflector 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.
Referring to Fig. 3, be used for having the image processor of the communication terminal of camera, comprise the host interface 1 that links to each other with main frame, JPEG coding and decoding unit 2 with host interface 1 mutual Data transmission, reception is from the SIF/ISP unit 8 of the YUV view data of CCD/CMOS imageing sensor transmission, the view data that SIF/ISP unit 8 is transmitted handle and with the big or small administrative unit 3 of the image of JPEG coding and decoding unit 2 mutual Data transmission, data after 3 processing of image size administrative unit are carried out the YUV-RGB transducer 4 that YUV-RGB changes, system controller 9 and internal bus 10, described host interface 1 is by system controller 9 and internal bus 10 each unit of control.Also comprise the LCD control unit 14 that can make main frame directly control the LCD module, the output signal of system controller 9 and internal bus 10 is used to control described LCD control unit 14, and described LCD control unit 14 receives through the view data of YUV-RGB transducer 4 conversions and sends it to the LCD module and shows.
Above-mentioned LCD control unit 14 comprises frame buffer 5, LCD VIEW unit 6 and LCD driving interface unit 7, the view data that described frame buffer 5 is changed YUV-RGB transducer 4 is sent to LCD VIEW unit 6 and handles, and the view data after LCD VIEW unit 6 is handled sends to LCD driving interface unit 7.Above-mentioned LCD VIEW unit 6 comprises Gamma corrector 12 and color depth processor 13, carries out color depth by color depth processor 13 again after view data is handled through Gamma corrector 12 and handles.The utility model image processor also comprises the 2-D image engine 11 that storing image data in the described frame buffer 5 is carried out the two dimensional image operation.Above-mentioned JPEG coding and decoding unit 2 comprises JPEG line buffer, JPEG coding decoder and JPEG buffer.Above-mentioned image size administrative unit 3 comprises image size boundary of administration buffer and image size manager.
Mode of operation of the present utility model comprises preview mode, still image acquisition mode, catches back display mode and Video Capture pattern.
Referring to Fig. 4, the step of preview mode is in the said method: 1) the CCD/CMOS imageing sensor sends the YUV view data to the SIF/ISP unit; 2) the SIF/ISP unit sends to image size administrative unit with view data and handles; 3) view data after image size administrative unit is handled is carried out the YUV-RGB conversion by the YUV-RGB transducer; 4) view data after the conversion deposits frame buffer in; 5) frame buffer sends to LCD VIEW unit with view data and carries out that Gamma corrects and the color depth processing; 6) view data after the processing is sent to LCD driving interface unit, and shows through the LCD module.
The step 4) of preview mode can also comprise that the view data in the frame buffer is sent to the 2-D image engine carries out sending it back frame buffer after the two dimensional image operation in the said method.
Referring to Fig. 5, the step of still image acquisition mode is in the said method: 1) the CCD/CMOS imageing sensor sends the YUV view data to the SIF/ISP unit; 2) the SIF/ISP unit sends to image size administrative unit with view data and handles; 3) view data after image size administrative unit is handled is sent to JPEG coding and decoding unit and encodes; 4) encoded image data sends to host interface.
Referring to Fig. 6, the step of catching the back display mode in the said method is: 1) host interface transmission YUV view data is decoded to JPEG coding and decoding unit; 2) decoded data send to image size administrative unit and handle and deposit in frame buffer; 3) frame buffer sends to LCD VIEW unit with view data and carries out that Gamma corrects and the color depth processing; 4) view data after the processing is sent to LCD driving interface unit, and shows through the LCD module.
Catch the step 2 of back display mode in the said method) can also comprise that the view data in the frame buffer is sent to the 2-D image engine carries out sending it back frame buffer after the two dimensional image operation.
Referring to Fig. 7, the step of Video Capture pattern is in the said method: 1) the CCD/CMOS imageing sensor sends the very little multiframe YUV view data of resolution to the SIF/ISP unit; 2) the SIF/ISP unit sends to image size administrative unit with view data and handles; 3) view data after image size administrative unit is handled is sent to JPEG coding and decoding unit and encodes; 4) the multiple image data behind the coding send to host interface.
Claims (6)
1. be used for having the image processor of the communication terminal of camera, comprise the host interface (1) that links to each other with main frame, JPEG coding and decoding unit (2) with the mutual Data transmission of host interface (1), reception is from the SIF/ISP unit (8) of the view data of CCD/CMOS imageing sensor transmission, the view data that SIF/ISP unit (8) are transmitted handle and with JPEG coding and decoding unit (2) the image size administrative unit (3) of Data transmission mutually, data after image size administrative unit (3) processing are carried out the YUV-RGB transducer (4) that YUV-RGB changes, system controller (9) and internal bus (10), described host interface (1) is controlled each unit by system controller (9) and internal bus (10), it is characterized in that, also comprise the LCD control unit (14) that can make main frame directly control the LCD module, the output signal of system controller (9) and internal bus (10) is used to control described LCD control unit (14), and described LCD control unit (14) receives through the view data of YUV-RGB transducer (4) conversion and sends it to the LCD module and shows.
2. image processor as claimed in claim 1, it is characterized in that, described LCD control unit (14) comprises frame buffer (5), LCD VIEW unit (6) and LCD driving interface unit (7), the view data that described frame buffer (5) is changed YUV-RGB transducer (4) is sent to LCD VIEW unit (6) and handles, and the view data after LCD VIEW unit (6) is handled sends to LCD driving interface unit (7).
3. image processor as claimed in claim 2, it is characterized in that, described LCD VIEW unit (6) comprises Gamma corrector (12) and color depth processor (13), carries out color depth by color depth processor (13) again after view data is handled through Gamma corrector (12) and handles.
4. image processor as claimed in claim 2 is characterized in that, also comprises the 2-D image engine (11) that storing image data in the described frame buffer (5) is carried out the two dimensional image operation.
5. image processor as claimed in claim 1 is characterized in that, described JPEG coding and decoding unit (2) comprises JPEG line buffer, JPEG coding decoder and JPEG buffer.
6. image processor as claimed in claim 1 is characterized in that, described image size administrative unit (3) comprises image size boundary of administration buffer and image size manager.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032421834U CN2606994Y (en) | 2003-03-19 | 2003-03-19 | Image processor in mobile communication terminal with camera head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032421834U CN2606994Y (en) | 2003-03-19 | 2003-03-19 | Image processor in mobile communication terminal with camera head |
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| Publication Number | Publication Date |
|---|---|
| CN2606994Y true CN2606994Y (en) | 2004-03-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU032421834U Expired - Lifetime CN2606994Y (en) | 2003-03-19 | 2003-03-19 | Image processor in mobile communication terminal with camera head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347661C (en) * | 2004-06-25 | 2007-11-07 | 北京中星微电子有限公司 | Interface processing system of bus for liquid-crystal displaying device |
-
2003
- 2003-03-19 CN CNU032421834U patent/CN2606994Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347661C (en) * | 2004-06-25 | 2007-11-07 | 北京中星微电子有限公司 | Interface processing system of bus for liquid-crystal displaying device |
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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 |
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| CP03 | Change of name, title or address |
Patentee address after: 100083, Beijing, Xueyuan Road, Haidian District No. 35, world Ning building, 15 floor, Lee East Asia Patentee address before: 100081, 5 floor, Haidian science and technology building, 3 South Avenue, Beijing, Zhongguancun |
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| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20030319 |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20030319 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |