CN204795439U - A predistortion test card molding system for image acquisition system that distorts greatly - Google Patents
A predistortion test card molding system for image acquisition system that distorts greatly Download PDFInfo
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- CN204795439U CN204795439U CN201520515197.2U CN201520515197U CN204795439U CN 204795439 U CN204795439 U CN 204795439U CN 201520515197 U CN201520515197 U CN 201520515197U CN 204795439 U CN204795439 U CN 204795439U
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Abstract
The utility model discloses a predistortion test card molding system for image acquisition system that distorts greatly, including distortion testing arrangement, reverse strain device and subject matter forming device, the distortion testing arrangement and the image acquisition headtotail that distorts greatly, a distortion volume for measuring the image acquisition system that distorts greatly, the reverse strain device is connected with distortion testing arrangement, a test subject matter for being based on the distortion volume is traditional to the reverse strain of test subject matter, subject matter forming device is connected with the reverse strain device, a test subject matter preparation predistortion test card for being based on the reverse strain, the image that the predistortion test card was shot through the image acquisition system that distorts greatly can directly carry out data processing and analysis. Compared with the prior art, through the utility model discloses the distortion volume of big distortion image acquisition system from the area has been offset to the predistortion test card that obtains to can be directly carry out the analysis to the image of predistortion test card, simplified analysis procedure, improved accuracy of analysis.
Description
Technical field
The utility model relates to acquisition technology field, relates to a kind of predistortion test card formation system for severe-distortion image acquisition system more specifically.
Background technology
Severe-distortion image acquisition system is because producing larger extruding or tensile deformation at picture edge, horizontal or vertical object is easily caused to produce certain deformation and inclination in the picture gathered, and traditional test subject matter is generally in horizontal or vertical shape, there is certain distortion by the image after the imaging of severe-distortion image acquisition system in therefore traditional test subject matter.As shown in Figure 1, the image that traditional test subject matter obtains through the imaging of severe-distortion image acquisition system has certain distortion, therefore, when adopting traditional test subject matter some parameter to severe-distortion image acquisition system to analyze, if directly analyze the image of the traditional test subject matter collected by severe-distortion image acquisition system, understand, then can there is certain error in analysis result.
Utility model content
The purpose of this utility model is to provide a kind of predistortion test card formation system for severe-distortion image acquisition system, to obtain when carrying out analytical test to severe-distortion image acquisition system by predistortion test card formation system, the predistortion test card of amount of distortion, Simplified analysis process, raising accuracy of analysis can be offset.
For achieving the above object, the utility model provides a kind of predistortion test card formation system for severe-distortion image acquisition system, comprising:
Distortion testing device, is connected with severe-distortion image acquisition system, for measure described severe-distortion image acquisition system gather the amount of distortion of picture;
Reverse strain device, is connected with described distortion testing device, for the test subject matter traditional according to described amount of distortion reverse strain;
Subject matter shaped device, be connected with described reverse strain device, make predistortion test card for the described test subject matter according to reverse strain, described predistortion test card is used for taking into the image that directly can carry out Data Management Analysis through described severe-distortion image acquisition system.
Preferably, described distortion testing device is computer.
Compared with prior art, the predistortion test card formation system that the utility model is used for severe-distortion image acquisition system comprises distortion testing device, reverse strain device and subject matter shaped device, wherein distortion testing device is connected with severe-distortion image acquisition system, for measure severe-distortion image acquisition system gather the amount of distortion of image, reverse strain device is connected with distortion testing device, for carrying out reverse strain according to amount of distortion to traditional test subject matter, subject matter shaped device is used for making predistortion test card according to the test subject matter of reverse strain, when using predistortion test card to test severe-distortion image acquisition system, because predistortion test card counteracts the amount of distortion that severe-distortion image acquisition system carries, thus directly can carry out image analysis processing to the predistortion test card collected, simplify analytic process, improve accuracy of analysis.
By following description also by reference to the accompanying drawings, the utility model will become more clear, and these accompanying drawings are for explaining embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the traditional test subject matter schematic diagram by the imaging of severe-distortion image acquisition system;
Fig. 2 is the structured flowchart of the utility model for predistortion test card formation system one embodiment of severe-distortion image acquisition system;
Fig. 3 is the schematic diagram of predistortion test card by the imaging of severe-distortion image acquisition system.
Embodiment
Doing a detailed statement below in conjunction with accompanying drawing to specific embodiment of the utility model, is below further illustrate of the present utility model, instead of to restriction of the present utility model.
Please refer to Fig. 2 to Fig. 3, the predistortion test card formation system 100 that the utility model is used for severe-distortion image acquisition system comprises distortion testing device 12, reverse strain device 14 and subject matter shaped device 16, wherein distortion testing device 12 is connected with severe-distortion image acquisition system, for measure severe-distortion image acquisition system gather the amount of distortion of image, reverse strain device 14 is connected with distortion testing device 12, for carrying out reverse strain according to measuring the amount of distortion obtained to traditional test subject matter, subject matter shaped device 16 is connected with reverse strain device 14, predistortion test card is made for the test subject matter according to reverse strain, predistortion test card is used for taking into the image that directly can carry out Data Management Analysis through severe-distortion image acquisition system, wherein predistortion test card can offset amount of distortion when testing severe-distortion image acquisition system, therefore directly Data Analysis Services can be carried out to the image of predistortion test card.
Concrete, in the present embodiment, distortion testing device 12 is computer, after severe-distortion image acquisition system carries out IMAQ to traditional test subject matter, by the image transmitting that collects to distortion testing device 12, the image of distortion testing device 12 pairs of traditional test subject matters carries out analyzing the amount of distortion that can obtain severe-distortion image acquisition system, and wherein the measurement of amount of distortion can adopt existing distortion method of testing to carry out; And amount of distortion can by image being tested compared with subject matter tests subject matter with reality, the parameters such as deformation quantity in the x, y direction represent.
Reverse strain device 14 carries out to traditional test subject matter the pattern that reverse strain can obtain predistortion test card according to the amount of distortion of severe-distortion image acquisition system, existing reverse strain computing formula wherein can be adopted to calculate, such as, the mode of projection can be adopted directly to obtain the pattern of predistortion test card.
Subject matter shaped device 16 is connected with reverse strain device 14, predistortion test card is made for the test subject matter according to reverse strain, wherein predistortion test card can adopt artificial or machine making, and make predistortion test card take into image by severe-distortion image acquisition system after, this image directly can carry out Data Management Analysis.Concrete, predistortion test card is when testing severe-distortion image acquisition system, owing to can offset the amount of distortion that severe-distortion image acquisition system carries during its imaging, thus the image analysis processing device of outside directly carries out understanding some parameter that can obtain severe-distortion image acquisition system to the image of the predistortion test card that severe-distortion image acquisition system collects.In addition, be rectangular slab for measuring the traditional test subject matter of the amount of distortion of severe-distortion image acquisition system in the present embodiment.
It should be noted that, distortion testing device 12, reverse strain device 14 and subject matter shaped device 16 are the technical scheme that can realize in prior art, and the specific implementation principle of the utility model to distortion testing device 12, reverse strain device 14 and subject matter shaped device 16 is no longer described in detail.
Please refer to Fig. 3 again, Fig. 3 be in the utility model predistortion test card by the schematic diagram of severe-distortion image acquisition system imaging.As shown in Figure 3, after reverse strain being carried out to test subject matter traditional in Fig. 1 according to the amount of distortion of severe-distortion image acquisition system, obtain predistortion test card in Fig. 3, this predistortion test card counteracts the amount of distortion of severe-distortion image acquisition system through the image that severe-distortion image acquisition system collects, thus directly image to be judged or analyzing and processing can obtain some parameter of severe-distortion image acquisition system, and then simplify analytic process, improve accuracy of analysis.
Above-described the utility model execution mode, does not form the restriction to the utility model protection range.Any do within spirit of the present utility model and principle amendment, equivalent to replace and improvement etc., all should be included within claims of the present utility model.
Claims (2)
1., for a predistortion test card formation system for severe-distortion image acquisition system, it is characterized in that, comprising:
Distortion testing device, is connected with severe-distortion image acquisition system, for measure described severe-distortion image acquisition system gather the amount of distortion of picture;
Reverse strain device, is connected with described distortion testing device, for the test subject matter traditional according to described amount of distortion reverse strain; And
Subject matter shaped device, be connected with described reverse strain device, make predistortion test card for the described test subject matter according to reverse strain, described predistortion test card is used for taking into the image that directly can carry out Data Management Analysis through described severe-distortion image acquisition system.
2., as claimed in claim 1 for the predistortion test card formation system of severe-distortion image acquisition system, it is characterized in that, described distortion testing device is computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515197.2U CN204795439U (en) | 2015-07-15 | 2015-07-15 | A predistortion test card molding system for image acquisition system that distorts greatly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520515197.2U CN204795439U (en) | 2015-07-15 | 2015-07-15 | A predistortion test card molding system for image acquisition system that distorts greatly |
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| Publication Number | Publication Date |
|---|---|
| CN204795439U true CN204795439U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520515197.2U Expired - Fee Related CN204795439U (en) | 2015-07-15 | 2015-07-15 | A predistortion test card molding system for image acquisition system that distorts greatly |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426821A (en) * | 2019-08-15 | 2019-11-08 | 郭润勐 | Camera lens and image processing method are delivered directly with the ultrashort coke for offsetting picture distortion function |
| CN111836038A (en) * | 2019-04-17 | 2020-10-27 | 北京地平线机器人技术研发有限公司 | Method and device for determining imaging quality, storage medium and electronic equipment |
| CN112468800A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Testing method and testing system of wide-angle camera module |
-
2015
- 2015-07-15 CN CN201520515197.2U patent/CN204795439U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111836038A (en) * | 2019-04-17 | 2020-10-27 | 北京地平线机器人技术研发有限公司 | Method and device for determining imaging quality, storage medium and electronic equipment |
| CN110426821A (en) * | 2019-08-15 | 2019-11-08 | 郭润勐 | Camera lens and image processing method are delivered directly with the ultrashort coke for offsetting picture distortion function |
| CN112468800A (en) * | 2019-09-06 | 2021-03-09 | 余姚舜宇智能光学技术有限公司 | Testing method and testing system of wide-angle camera module |
| CN112468800B (en) * | 2019-09-06 | 2022-10-11 | 余姚舜宇智能光学技术有限公司 | Testing method and testing system of wide-angle camera module |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20151118 Termination date: 20160715 |