CN103108174A - Information transmission device - Google Patents
Information transmission device Download PDFInfo
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- CN103108174A CN103108174A CN201110359340XA CN201110359340A CN103108174A CN 103108174 A CN103108174 A CN 103108174A CN 201110359340X A CN201110359340X A CN 201110359340XA CN 201110359340 A CN201110359340 A CN 201110359340A CN 103108174 A CN103108174 A CN 103108174A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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Abstract
The invention provides a information transmission device for connecting a camera module and an image analysis device. The information transmission device comprises a first port used for being connected with the camera module, a second port used for being connected with the image analysis device, a cache and a processor connected with the first port, the second port and the cache. The processor comprises a first controller, a second controller and a third controller. The first controller is used for receiving an order comprising shoot parameters of the camera module and sent by the image analysis device through the second port and sending the order to the camera module so that the camera module is controlled to set the shooting parameters. The second controller is used for receiving frames of images shot by the camera module through the first port and the frames of images are cached in the cache. The third controller is used for reading the frames of images from the cache according to a preset rate and sending each frame of complete image to the image analysis device through the first port.
Description
Technical field
The present invention relates to measuring technology, particularly a kind of information carrying means for testing camera module group.
Background technology
At present, the camera module is widely used in various electronic installations, as mobile phone, notebook computer etc.For ensuring the quality of products, need after assembling is completed the camera module is tested, the content of test is sent to image analysis apparatus after generally comprising camera module photographic images, as the computer of image analysis software is installed, carry out graphical analysis, judge from analysis result whether the camera module is qualified.Such test request camera module can by set acquisition parameters photographic images and with the image taken at a high speed, without falsehood be sent to image analysis apparatus.Yet, lack at present such information carrying means.
Summary of the invention
In view of this, be necessary to provide a kind of energy to be used for the information carrying means of testing camera module group.
A kind of information carrying means is used for connecting a camera module and an image analysis apparatus.This information carrying means comprises that one is used for connecting the first interface of this camera module, the second interface, a buffer memory and a processor that is connected with this first interface, this second interface and this buffer memory that is used for connecting this image analysis apparatus.This processor comprises first controller, a second controller, the 3rd controller.This first controller be used for by this second interface receive that this image analysis apparatus is that send, the instruction of acquisition parameters that include this camera module and send to this camera module to control this this camera module, this acquisition parameters to be set.This second controller is used for receiving the multiple image of this camera module shooting and this multiple image being cached in this buffer memory by this first interface.The 3rd controller is used for reading this multiple image and sending to this image analysis apparatus by this first interface image that every frame is complete from this buffer memory by set rate.
A kind of information carrying means is used for connecting a camera module and an image analysis apparatus; This information carrying means comprises that one is used for connecting the first interface of this camera module, the second interface, a buffer memory and a processor that is connected with this first interface, this second interface and this buffer memory that is used for connecting this image analysis apparatus; This processor includes a central processing unit, a bus, first driver, second driver, the 3rd driver and the 4th driver; This first driver, this second driver, the 3rd driver and the 4th driver are by this bus and this central processing unit communication; This central processing unit be used for to be controlled this this first interface of the first driver drives and is read that this image analysis apparatus is that send, instruction that include the acquisition parameters of this camera module, and this second driver is used for reading this instruction and driving this second interface by this bus sending this instruction to this camera module and to control this camera module, this acquisition parameters being set; The 3rd driver is used for driving this second interface and reads the multiple image that this camera module is taken; The 4th driver is used for this multiple image is write this buffer memory; Thereby the 4th driver also is used for coordinating with this first driver and this multiple image is read to this second interface reads to this image analysis apparatus.
So, this information carrying means can transmit the acquisition parameters of this camera module to this camera module by this first controller.This multiple image is cached in this buffer memory can be realized sending this image analysis apparatus to by this set rate image that every frame is complete, and can realize transmitting at a high speed by set rate, send by the complete image of every frame and can prevent loss of data and falsehood occurs.
Description of drawings
Fig. 1 is the high-level schematic functional block diagram of the information carrying means of better embodiment of the present invention.
Fig. 2 is the high-level schematic functional block diagram of the information carrying means of another better embodiment of the present invention.
The main element symbol description
| Information carrying means | 10 |
| |
100 |
| The |
200 |
| |
300 |
| |
400 |
| The |
402 |
| |
404 |
| The |
406 |
| Central processing unit | 408 |
| Bus | 410 |
| The first driver | 412 |
| The second driver | 414 |
| The 3rd driver | 416 |
| The 4th driver | 418 |
| Write driver | 420 |
| Read driver | 422 |
| Cache driver | 424 |
| The |
20 |
| |
30 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1, the information carrying means 10 of better embodiment of the present invention is used for connecting a camera module 20 and an image analysis apparatus 30.After completing, these camera module 20 assemblings need test, after generally comprising these camera module 20 photographic images, the content of test is sent to this image analysis apparatus 30, as the computer of image analysis software is installed, and carry out graphical analysis, judge from analysis result whether this camera module 20 is qualified.This camera module 20 of such test request can by set acquisition parameters photographic images and with the image taken at a high speed, without falsehood be sent to this image analysis apparatus 30.The information carrying means 10 of present embodiment be used for to connect this camera module 20 and this image analysis apparatus just, and between the information such as the acquisition parameters of this camera module 20 of transmission and image.Certainly, the application of this information carrying means 10 is not limited to present embodiment, also can be used for terminal use's communication.The setting of the acquisition parameters of this camera module 20 is for building the test condition of this camera module 20, can be the parameter such as resolution, vertical sync period of this camera module 20.
This information carrying means 10 comprises that one is used for connecting the first interface 100 of this camera module 20, the second interface 200, a buffer memory 300 and a processor 400 that is connected with this first interface 100, this second interface 200 and this buffer memory 300 that is used for connecting this image analysis apparatus 30.This processor 400 comprises first controller 402, a second controller 404, the 3rd controller 406.This first controller 402 be used for by this second interface 200 receive that this image analysis apparatus 30 is that send, the instruction of acquisition parameters that include this camera module 20 and send to this camera module 20 to control this camera module 20, this acquisition parameters to be set by this first interface 100.This second controller 404 is used for receiving the multiple image of these camera module 20 shootings and this multiple image being cached in this buffer memory 300 by this first interface 100.The 3rd controller 406 is used for reading this multiple image and sending to this image analysis apparatus 30 by this second interface 200 image that every frame is complete from this buffer memory 300 by set rate.
So, this information carrying means 10 can transmit this acquisition parameters to this camera module 20 by this first controller 402.This multiple image is cached in this buffer memory 300 can be realized sending complete every two field picture to this image analysis apparatus 30 by this set rate, and can realize transmitting at a high speed by set rate, send by the complete image of every frame and can prevent loss of data and falsehood occurs.
This camera module 20 can be applied to the electronic products such as mobile phone or notebook computer, and therefore, this second interface 200 also can be connected with these electronic products and realize and being connected of this camera module 20.
for realizing transmitting at a high speed, this first interface 100 adopts high-speed interface with this second interface 200, concrete refers to that switching bandwidth (transmission degree of sending) is at the interface of the order of magnitude (being 1-10Gbps) of 1024 megabit per seconds (1024Mbps=1Gbps), for example, this first interface 100 adopts USB (universal serial bus) 3.0 (universal serial bus, USB 3.0), switching bandwidth is in the 2.0Gbps left and right, so, if the data volume of every two field picture of this camera module 20 is 800Mb, the switching bandwidth of this first interface 100 is in 15 frame/seconds (15fps).Again for example, this second interface 200 can adopt mobile industry processor interface (mobile industry processor interface, MIPI), and have two differential clocks passage (lane, data channel), the switching bandwidth of each lane is the 800Mbps left and right, that is to say that total switching bandwidth of this second interface 200 is in the 1.5Gbps left and right.
This buffer memory 300 can adopt second generation Double Data Rate synchronous DRAM (double data rate synchronous dynamic random access memory, DDR2), its capacity 10Gb or more than, this multiple image of buffer memory (10 frames left and right or more) simultaneously.
This processor 400 can adopt the programmable chip of supporting this first interface 100, this second interface 200 and this buffer memory 300, as field programmable gate array (field-programmable gate array, FPGA).
See also Fig. 2, in a more concrete execution mode, this processor 400 includes a central processing unit 408, a bus 410, first driver 412, second driver 414, the 3rd driver 416 and the 4th driver 418.This first driver 412, this second driver 414, the 3rd driver 416 and the 4th driver 418 are by this bus 410 and these central processing unit 408 communications.This central processing unit 408, this bus 410, this first driver 412 and this second driver 414 coordinate the function that realizes this first controller 402.This central processing unit 408, this bus 410, the 3rd driver 416, the 4th driver 418 coordinate the function that realizes this second controller 404.This central processing unit 408, this bus 410, the 4th driver 418, this first driver 412 coordinate the function that realizes the 3rd controller 406.
Concrete, this central processing unit 408 is used for controlling these first driver, 412 these first interfaces 100 of driving and reads this instruction, this instruction of decoding.Concrete, if this first interface 100 adopts USB 3.0, this first driver is USB 3.0 drivers.More concrete, this instruction generally also includes the driving parameter of transformation parameter and this first driver 412, this second driver 414, the 3rd driver 416 and the 4th driver 418 of this first interface 100, this second interface 200 except the acquisition parameters that includes this camera module 20.
This second driver 414 sends this instruction to this camera module 20 for this second interface 200 of driving driving parameter that reads this instruction by this bus 410 and stipulate by this instruction, thereby the acquisition parameters of this camera module 20 is set.Concrete, this second driver 414 can adopt internal integrated circuit (inter-integrated circuit, I2C) driver.
The 3rd driver 416 is used for reading this instruction by this bus 410, and the transformation parameter of stipulating by this instruction by this second interface 200 of driving driving parameter of this instruction regulation reads this multiple image.
The 4th driver 418 is used for reading this instruction by this bus 410, and the transformation parameter of this multiple image being stipulated by this instruction by the driving parameter of this instruction regulation writes this buffer memory 300.The 4th driver 418 also is used for coordinating with this first driver 412 this multiple image is read to this second interface 200, and this first driver 412 is used for sending the complete image of every frame to this image analysis apparatus 30 by this second interface 200 of driving driving parameter of this instruction regulation.Concrete, the 4th driver 418 comprises a write driver 420, a cache driver 424 and a read driver 422.This write driver 420 is used for driving this cache driver 424 this multiple image is write this buffer memory 300, and this read driver 422 is used for driving this cache driver 424 and reads this multiple image from this buffer memory 300.More concrete, if this buffer memory 300 adopts DDR2, this cache driver 424 can adopt multiport DDR2 driver, to support the expansion of DDR2.
In a word; those skilled in the art will be appreciated that; above execution mode is only that the present invention is described; and be not to be used as limitation of the invention; as long as within connotation scope of the present invention, the appropriate change that above embodiment is done and change all drop on the scope of protection of present invention within.
Claims (9)
1. an information carrying means, be used for connecting a camera module and an image analysis apparatus; This information carrying means comprises that one is used for connecting the first interface of this camera module, the second interface, a buffer memory and a processor that is connected with this first interface, this second interface and this buffer memory that is used for connecting this image analysis apparatus; This processor comprises first controller, a second controller, the 3rd controller; This first controller be used for by this second interface receive that this image analysis apparatus is that send, the instruction of acquisition parameters that include this camera module and send to this camera module to control this this camera module, this acquisition parameters to be set; This second controller is used for receiving the multiple image of this camera module shooting and this multiple image being cached in this buffer memory by this first interface; The 3rd controller is used for reading this multiple image and sending to this image analysis apparatus by this second interface image that every frame is complete from this buffer memory by set rate.
2. information carrying means as claimed in claim 1, is characterized in that, the switching bandwidth of this first interface and this second interface is 1-10Gbps.
3. information carrying means as claimed in claim 1, is characterized in that, this first interface adopts USB3.0.
4. information carrying means as claimed in claim 1, is characterized in that, this second interface adopts MIPI 2 lane.
5. an information carrying means, be used for connecting a camera module and an image analysis apparatus; This information carrying means comprises that one is used for connecting the first interface of this camera module, the second interface, a buffer memory and a processor that is connected with this first interface, this second interface and this buffer memory that is used for connecting this image analysis apparatus; This processor includes a central processing unit, a bus, first driver, second driver, the 3rd driver and the 4th driver; This first driver, this second driver, the 3rd driver and the 4th driver are by this bus and this central processing unit communication; This central processing unit be used for to be controlled this this first interface of the first driver drives and is read that this image analysis apparatus is that send, instruction that include the acquisition parameters of this camera module, and this second driver is used for reading this instruction and driving this second interface by this bus sending this instruction to this camera module and to control this camera module, this acquisition parameters being set; The 3rd driver is used for driving this second interface and reads the multiple image that this camera module is taken; The 4th driver is used for this multiple image is write this buffer memory; Thereby the 4th driver also is used for coordinating with this first driver and this multiple image is read to this second interface reads to this image analysis apparatus.
6. information carrying means as claimed in claim 5, is characterized in that, this instruction also includes the control parameter of the transformation parameter of this first interface, this second interface and this first driver, this second driver, the 3rd driver, the 4th driver; This second driver sends this instruction to this camera module for this second interface of driving driving parameter that reads this instruction by this bus and stipulate by this instruction; The 3rd driver also is used for reading this instruction by this bus, and the transformation parameter of stipulating by this instruction by driving driving parameter second interface of this instruction regulation transmits this multiple image; The 4th driver also is used for reading this instruction by this bus, and by the driving parameter of this instruction regulation, this multiple image is write by the transformation parameter of this instruction regulation and change buffer memory or read from this buffer memory, this first driver is used for sending the complete image of every frame to this image analysis apparatus by this second interface of driving driving parameter of this instruction regulation.
7. information carrying means as claimed in claim 5, it is characterized in that, this central processing unit also is used for this instruction of decoding with the control parameter of the transformation parameter that obtains this first interface, this second interface and this first driver, this second driver, the 3rd driver, the 4th driver.
8. information carrying means as claimed in claim 5, is characterized in that, this first driver is USB 3.0 drivers.
9. information carrying means as claimed in claim 5, is characterized in that, this second driver is the I2C driver.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110359340.XA CN103108174B (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
| CN201711122218.4A CN107809635A (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110359340.XA CN103108174B (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122218.4A Division CN107809635A (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
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| Publication Number | Publication Date |
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| CN103108174A true CN103108174A (en) | 2013-05-15 |
| CN103108174B CN103108174B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110359340.XA Active CN103108174B (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
| CN201711122218.4A Pending CN107809635A (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122218.4A Pending CN107809635A (en) | 2011-11-14 | 2011-11-14 | Information carrying means |
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| Country | Link |
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| CN (2) | CN103108174B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472464A (en) * | 2015-12-08 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Television terminal and data playing method thereof |
| CN107037756A (en) * | 2017-04-17 | 2017-08-11 | 北京京东尚科信息技术有限公司 | Data transmission method and device |
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| CN1622591A (en) * | 2003-11-28 | 2005-06-01 | 松下电器产业株式会社 | Image display apparatus and image data transfer method |
| TW200531466A (en) * | 2004-03-12 | 2005-09-16 | Inventec Appliances Corp | Automatic camera inspection method, inspection system and storage medium |
| US20080018741A1 (en) * | 2004-07-11 | 2008-01-24 | Fraunhofer-Gesellschaft Zur Forderung Der Angewand | Transmission Of Image Data During Application Sharing |
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| CN1684024A (en) * | 2005-03-16 | 2005-10-19 | 清华大学 | High speed video frequency collecting system |
| CN100361523C (en) * | 2005-07-11 | 2008-01-09 | 中国水利水电科学研究院 | A real-time acquisition system for digital camera |
| CN101442610A (en) * | 2007-11-21 | 2009-05-27 | 北京希格玛和芯微电子技术有限公司 | Non-drive photographic device and method |
| CN201378851Y (en) * | 2008-11-17 | 2010-01-06 | 南京信息工程大学 | CCD image data collecting device |
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- 2011-11-14 CN CN201711122218.4A patent/CN107809635A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622591A (en) * | 2003-11-28 | 2005-06-01 | 松下电器产业株式会社 | Image display apparatus and image data transfer method |
| TW200531466A (en) * | 2004-03-12 | 2005-09-16 | Inventec Appliances Corp | Automatic camera inspection method, inspection system and storage medium |
| US20080018741A1 (en) * | 2004-07-11 | 2008-01-24 | Fraunhofer-Gesellschaft Zur Forderung Der Angewand | Transmission Of Image Data During Application Sharing |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105472464A (en) * | 2015-12-08 | 2016-04-06 | 深圳Tcl数字技术有限公司 | Television terminal and data playing method thereof |
| CN105472464B (en) * | 2015-12-08 | 2019-01-01 | 深圳Tcl数字技术有限公司 | Television terminal and its data playing method |
| CN107037756A (en) * | 2017-04-17 | 2017-08-11 | 北京京东尚科信息技术有限公司 | Data transmission method and device |
| CN107037756B (en) * | 2017-04-17 | 2020-11-20 | 北京京东尚科信息技术有限公司 | Data transmission method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103108174B (en) | 2018-05-08 |
| CN107809635A (en) | 2018-03-16 |
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