CN204836352U - Adjust system and device of many cameras captured images's luminance - Google Patents
Adjust system and device of many cameras captured images's luminance Download PDFInfo
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- CN204836352U CN204836352U CN201520688385.5U CN201520688385U CN204836352U CN 204836352 U CN204836352 U CN 204836352U CN 201520688385 U CN201520688385 U CN 201520688385U CN 204836352 U CN204836352 U CN 204836352U
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Abstract
The utility model discloses an adjust system and device of many cameras captured images's luminance, the system includes: a N camera, N more than or equal to 2, it is right to be used for for obtaining video data the video data that a N camera was shot handles the FPGA who obtains the same video data of luminance, a N camera with FPGA connects to solve the inconsistent defect of image mosaicking luminance later that the multichannel camera was shot, and solved and adopted software to correct the defect that the image brightness nonconformity after the concatenation need be handled on the computer.
Description
Technical field
The utility model relates to the technical field of Video processing, particularly relates to a kind of system and the device that adjust the brightness of multi-cam photographic images.
Background technology
In the design of multi-cam panoramic mosaic equipment, there will be the situation that the light environment of multi-path camera is inconsistent, the problem that after the image mosaic that multi-path camera can be caused to take, brightness is inconsistent.Usually, the inconsistent problem of the spliced image of software correction is adopted to need to process on computers.
Utility model content
The purpose of this utility model is to propose a kind of system and the device that adjust the brightness of multi-cam photographic images, is intended to solve how to realize the inconsistent problem of the rear brightness of multi-cam photographic images splicing.
For reaching this object, the utility model by the following technical solutions:
Adjust a system for the brightness of multi-cam photographic images, described system comprises:
For obtaining N number of camera of video data, N is more than or equal to 2, and for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, described N number of camera is connected with described FPGA.
Preferably, described for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, comprising:
Luminance signal for the vision signal to input carries out the luminance component statistics with histogram module of statistics with histogram;
For carrying out multi-channel video histogram analysis and the multi-channel video brightness histogram analysis module of the parameter of each road camera of generation adjustment;
For exporting the multi-channel video brightness uniformity adjustment module of I2C main control module after the parameter of adjustment being processed to;
For being configured each camera module by I2C, control the I2C main control module of the exposure parameter of each camera module;
Described luminance component statistics with histogram module is connected with described multi-channel video brightness histogram analysis module, described multi-channel video brightness histogram analysis module is connected with described multi-channel video brightness uniformity adjustment module, and described multi-channel video brightness uniformity adjustment module is connected with described I2C main control module.
Preferably, described N number of camera is connected with described FPGA, comprising:
Described N number of camera is connected with described FPGA by parallel yuv data line.
Preferably, a kind of device adjusting the brightness of multi-cam photographic images, is characterized in that, described device comprises:
Luminance signal for the vision signal to input carries out the luminance component statistics with histogram module of statistics with histogram;
For carrying out multi-channel video histogram analysis and the multi-channel video brightness histogram analysis module of the parameter of each road camera of generation adjustment;
For exporting the multi-channel video brightness uniformity adjustment module of I2C main control module after the parameter of adjustment being processed to;
For being configured each camera module by I2C, control the I2C main control module of the exposure parameter of each camera module;
Described luminance component statistics with histogram module is connected with described multi-channel video brightness histogram analysis module, described multi-channel video brightness histogram analysis module is connected with described multi-channel video brightness uniformity adjustment module, and described multi-channel video brightness uniformity adjustment module is connected with described I2C main control module.
The utility model provides a kind of system and the device that adjust the brightness of multi-cam photographic images, described system comprises: for obtaining N number of camera of video data, N is more than or equal to 2, for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, described N number of camera is connected with described FPGA, thus the defect that after solving the image mosaic of multi-path camera shooting, brightness is inconsistent, and solve the inconsistent defect needing to process on computers of the employing spliced image of software correction.
Accompanying drawing explanation
Fig. 1 is that the utility model provides a kind of system construction drawing adjusting the brightness of multi-cam photographic images;
Fig. 2 is the method schematic diagram of a kind of multi-cam shooting that the utility model provides;
Fig. 3 is a kind of high-level schematic functional block diagram adjusting the device of the brightness of multi-cam photographic images that the utility model provides.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
Embodiment one
That the utility model provides a kind of system construction drawing adjusting the brightness of multi-cam photographic images with reference to figure 1, Fig. 1.
In embodiment one, the system of the brightness of described adjustment multi-cam photographic images comprises:
N number of camera 101, N for obtaining video data is more than or equal to 2, and for processing to the video data of described N number of camera shooting the FPGA102 obtaining the identical video data of brightness, described N number of camera 101 is connected with described FPGA102.
Preferably, described for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, comprising:
Luminance signal for the vision signal to input carries out the luminance component statistics with histogram module of statistics with histogram;
For carrying out multi-channel video histogram analysis and the multi-channel video brightness histogram analysis module of the parameter of each road camera of generation adjustment;
For exporting the multi-channel video brightness uniformity adjustment module of I2C main control module after the parameter of adjustment being processed to;
For being configured each camera module by I2C, control the I2C main control module of the exposure parameter of each camera module;
Described luminance component statistics with histogram module is connected with described multi-channel video brightness histogram analysis module, described multi-channel video brightness histogram analysis module is connected with described multi-channel video brightness uniformity adjustment module, and described multi-channel video brightness uniformity adjustment module is connected with described I2C main control module.
Preferably, described N number of camera is connected with described FPGA, comprising:
Described N number of camera is connected with described FPGA by parallel yuv data line.
Concrete, be the method schematic diagram of a kind of multi-cam shooting that the utility model provides with reference to figure 2, Fig. 2.The scheme that the utility model is set forth is for four cameras, and for six, eight or more multi-cam, the method and system that the utility model is set forth also all uses.
As shown in Figure 3, field programmable logic array FPGA realizes carrying out brightness uniformity adjustment to the image of multi-path camera input.As shown in Figure 3, multi-path camera vision signal is input to FPGA to FPGA internal implementation, and FPGA is inner carries out brightness uniformity adjustment by according to the camera video data of following step to input.
Step 1: statistics with histogram is carried out to the luminance signal of incoming video signal;
Step 2: after step 1 completes, carries out multi-channel video histogram analysis and produces the parameter regulating each road camera;
Step 3: after step 2 completes, multi-channel video brightness uniformity adjustment module outputs to I2C main control module by after regulating parameter process;
Step 4: after step 3 completes, each I2C main control module, by each camera module of I2C bus configuration, controls the parameters such as its exposure.
The utility model provides a kind of system and the device that adjust the brightness of multi-cam photographic images, described system comprises: for obtaining N number of camera of video data, N is more than or equal to 2, for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, described N number of camera is connected with described FPGA, thus the defect that after solving the image mosaic of multi-path camera shooting, brightness is inconsistent, and solve the inconsistent defect needing to process on computers of the employing spliced image of software correction.
Embodiment two
A kind of high-level schematic functional block diagram adjusting the device of the brightness of multi-cam photographic images that the utility model provides with reference to figure 3, Fig. 3.
In embodiment two, the device of the brightness of described adjustment multi-cam photographic images comprises:
Luminance signal for the vision signal to input carries out the luminance component statistics with histogram module 301 of statistics with histogram;
For carrying out multi-channel video histogram analysis and the multi-channel video brightness histogram analysis module 302 of the parameter of each road camera of generation adjustment;
For exporting the multi-channel video brightness uniformity adjustment module 303 of I2C main control module after the parameter of adjustment being processed to;
For being configured each camera module by I2C, control the I2C main control module 304 of the exposure parameter of each camera module;
Described luminance component statistics with histogram module 301 is connected with described multi-channel video brightness histogram analysis module 302, described multi-channel video brightness histogram analysis module 302 is connected with described multi-channel video brightness uniformity adjustment module 303, and described multi-channel video brightness uniformity adjustment module 303 is connected with described I2C main control module 304.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection range by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection range of the present utility model.
Claims (4)
1. adjust a system for the brightness of multi-cam photographic images, it is characterized in that, described system comprises:
For obtaining N number of camera of video data, N is more than or equal to 2, and for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, described N number of camera is connected with described FPGA.
2. system according to claim 1, is characterized in that, described for processing to the video data of described N number of camera shooting the FPGA obtaining the identical video data of brightness, comprising:
Luminance signal for the vision signal to input carries out the luminance component statistics with histogram module of statistics with histogram;
For carrying out multi-channel video histogram analysis and the multi-channel video brightness histogram analysis module of the parameter of each road camera of generation adjustment;
For exporting the multi-channel video brightness uniformity adjustment module of I2C main control module after the parameter of adjustment being processed to;
For being configured each camera module by I2C, control the I2C main control module of the exposure parameter of each camera module;
Described luminance component statistics with histogram module is connected with described multi-channel video brightness histogram analysis module, described multi-channel video brightness histogram analysis module is connected with described multi-channel video brightness uniformity adjustment module, and described multi-channel video brightness uniformity adjustment module is connected with described I2C main control module.
3. system according to claim 1, is characterized in that, described N number of camera is connected with described FPGA, comprising:
Described N number of camera is connected with described FPGA by parallel yuv data line.
4. adjust a device for the brightness of multi-cam photographic images, it is characterized in that, described device comprises:
Luminance signal for the vision signal to input carries out the luminance component statistics with histogram module of statistics with histogram;
For carrying out multi-channel video histogram analysis and the multi-channel video brightness histogram analysis module of the parameter of each road camera of generation adjustment;
For exporting the multi-channel video brightness uniformity adjustment module of I2C main control module after the parameter of adjustment being processed to;
For being configured each camera module by I2C, control the I2C main control module of the exposure parameter of each camera module;
Described luminance component statistics with histogram module is connected with described multi-channel video brightness histogram analysis module, described multi-channel video brightness histogram analysis module is connected with described multi-channel video brightness uniformity adjustment module, and described multi-channel video brightness uniformity adjustment module is connected with described I2C main control module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520688385.5U CN204836352U (en) | 2015-09-07 | 2015-09-07 | Adjust system and device of many cameras captured images's luminance |
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| CN201520688385.5U CN204836352U (en) | 2015-09-07 | 2015-09-07 | Adjust system and device of many cameras captured images's luminance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071371A (en) * | 2017-02-25 | 2017-08-18 | 深圳市立品光电有限公司 | The camera lens colour brightness calibration method and device of panoramic shooting module |
| CN109963070A (en) * | 2017-12-26 | 2019-07-02 | 富泰华工业（深圳）有限公司 | Picture sewing method and system |
| CN110661972A (en) * | 2019-09-27 | 2020-01-07 | 维沃移动通信有限公司 | Image processing method, image processing apparatus, electronic device, and medium |
-
2015
- 2015-09-07 CN CN201520688385.5U patent/CN204836352U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071371A (en) * | 2017-02-25 | 2017-08-18 | 深圳市立品光电有限公司 | The camera lens colour brightness calibration method and device of panoramic shooting module |
| CN109963070A (en) * | 2017-12-26 | 2019-07-02 | 富泰华工业（深圳）有限公司 | Picture sewing method and system |
| CN110661972A (en) * | 2019-09-27 | 2020-01-07 | 维沃移动通信有限公司 | Image processing method, image processing apparatus, electronic device, and medium |
| CN110661972B (en) * | 2019-09-27 | 2021-02-23 | 维沃移动通信有限公司 | Image processing method, image processing apparatus, electronic device, and medium |
| US11678066B2 (en) | 2019-09-27 | 2023-06-13 | Vivo Mobile Communication Co., Ltd. | Image processing method, electronic device and medium |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210907 |