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Stray light quantification method based on high dynamic image synthesis

A quantification method and stray light technology, which is applied in the field of stray light quantification, can solve problems such as missing detection standards, subjectivity and uncertainty of judgment results, and achieve the effects of improving efficiency and accuracy, avoiding subjectivity, and increasing speed

Pending Publication Date: 2022-01-11
NINGBO SUNNY OPOTECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above two types of methods all use the human eye to judge the situation of stray light, the judgment results are relatively subjective, and there will be problems of misjudgment, omission and uncertainty of detection standards

Method used

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  • Stray light quantification method based on high dynamic image synthesis
  • Stray light quantification method based on high dynamic image synthesis
  • Stray light quantification method based on high dynamic image synthesis

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Embodiment Construction

[0039] For a better understanding of the application, various aspects of the application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are descriptions of exemplary embodiments of the application only, and are not intended to limit the scope of the application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.

[0040] It should be noted that in this specification, expressions of first, second, third, etc. are only used to distinguish one feature from another, and do not represent any limitation on the features. Thus, a first numerical value discussed hereinafter could also be termed a second numerical value without departing from the teachings of the present application. vice versa.

[0041] In the drawings, the thickness, size and shap...

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Abstract

The invention provides a stray light quantification method. The stray light quantification method comprises the following steps: acquiring light source images shot by a to-be-detected camera module; splicing and overlapping the light source images, and converting the spliced and overlapped light source images into gray-scale images; marking stray light regions in the grays-cale images, and segmenting each stray light region to form a plurality of connected stray light blocks; quantizing the segmented stray light blocks to obtain quantized values of stray lights.

Description

technical field [0001] The present application relates to the technical field of optical devices, and more specifically, to a method for quantifying stray light. Background technique [0002] With the development of the mobile phone industry, people have higher and higher requirements for the shooting function of the mobile phone, and the performance of the camera module of the mobile phone directly affects the shooting effect of the entire mobile phone. After the mobile phone camera module is assembled, some stray light will be generated by the camera module due to light leakage, residual reflection on the transmission optical surface, residual reflection on the inner wall of the lens barrel and other non-optical surfaces, and quality problems on the optical surface. Astigmatism will increase the noise on the imaging surface, especially the stray light convergence point near the imaging surface will have a serious impact on the imaging of the camera module. These convergen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T3/40G06T3/00G06T7/11G06T7/13G06T5/00
CPCG06T3/4038G06T7/11G06T7/13G06T2207/10004G06T3/04G06T5/70
Inventor 张露萍毛之华
Owner NINGBO SUNNY OPOTECH CO LTD