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Camera vignetting enhancement method and system

A camera and vignetting technology, which is applied to TV system components, image communication, color TV components, etc., can solve problems such as vignetting, poor imaging effect, and affecting user experience, so as to improve imaging effect, Improve the effect of user experience

Active Publication Date: 2020-04-10
ANHUI TSINGLINK INFORMATION TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

However, due to the influence of many factors such as cost control and personnel quality, some products of some models of cameras still have vignetting phenomenon
The overall imaging effect is not good, which affects the user experience

Method used

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  • Camera vignetting enhancement method and system
  • Camera vignetting enhancement method and system
  • Camera vignetting enhancement method and system

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Embodiment Construction

[0041] In the following, the technical solution of the present invention will be described in detail through specific embodiments, and many specific details are set forth in the following description so as to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific implementation disclosed below.

[0042] refer to figure 1 , a method for enhancing camera vignetting proposed by the present invention, comprising steps S100 to S600:

[0043] S100: Acquiring a first image, where the first image is an image of a region containing dark corners in the original image;

[0044] A small square area with a side length M of the vignetting part is copied from the original image as the first image to ensure that the vignettin...

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Abstract

The invention discloses a camera vignetting enhancement method and system, and the method comprises the steps: obtaining a first image which is a region image containing a vignetting in an original image; obtaining a brightness value of any point in a Y channel of a YUV image corresponding to the first image, and calculating an enhanced brightness value corresponding to the brightness value of anypoint; performing clamping operation on the enhanced brightness value to a fixed pixel value interval to obtain a second image; replacing the first image with the second image to obtain a brightnessenhanced image. The brightness of the vignetting part is increased, the imaging effect is improved, and the user experience is improved.

Description

technical field [0001] The invention relates to the technical field of camera vignetting processing, in particular to a method and system for enhancing camera vignetting. Background technique [0002] In the design process of the camera, many factors such as the volume, the size of the photosensitive device, and the optical characteristics of the zoom lens must be considered comprehensively. Therefore, it is difficult to completely guarantee that a clear image with uniform brightness can be captured at any focal length. In the production process, the assembly error caused by the individual differences of the assembly workers will also affect the imaging effect of the camera. In the final result, the brightness of the four corners of part of the camera image may appear dark, that is, the vignetting phenomenon. [0003] In the traditional method of improving vignetting, it is generally improved from the design and production links, and in most cases, the phenomenon of vignett...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/217H04N9/04
CPCH04N23/81
Inventor 何佳张卡尼秀明
Owner ANHUI TSINGLINK INFORMATION TECH
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