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Automatic adjustment method of focus sharpness

An automatic adjustment and definition technology, applied to TV, color TV parts, electrical components, etc., can solve the problems of operator's visual fatigue, heavy proportion of subjective factors, difficulty in setting judgment standards, etc., to reduce labor costs , improve precision, and adjust the effect of high precision

Active Publication Date: 2017-06-13
SHANGHAI SUOGUANG VISUAL PRODUCTS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the heavy proportion of subjective factors in manual visual judgment, it is difficult to set a unified judgment standard
At the same time, the high-intensity judgment work of the production line is easy to make the operator's eyes tired, leading to misjudgment and misjudgment from time to time. Once defective products enter the market, it will bring many adverse effects to the enterprise

Method used

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  • Automatic adjustment method of focus sharpness
  • Automatic adjustment method of focus sharpness
  • Automatic adjustment method of focus sharpness

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Embodiment Construction

[0015] In order to make the present invention more comprehensible, preferred embodiments are described in detail below with accompanying drawings.

[0016] The present invention uses digital image processing technology to provide a method for judging and adjusting the sharpness of the equipment lens based on the peak and valley inflection points of the image. Before performing the present invention, the video equipment to be detected needs to be connected, and the lens obtained by the video equipment is analyzed in real time. The image is sampled, and the sampling frequency is 10 frames per second, and digital image processing and analysis is performed on each sampled frame of portrait.

[0017] A method for automatically adjusting focus sharpness provided by the present invention, the steps are:

[0018] Step 1. Manually perform a focusing operation on the lens of the video equipment, and during the focusing process, sample images obtained by the lens at a set frequency;

[...

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Abstract

The invention relates to a method for automatically adjusting focus definition. The steps include: connecting a video device to be detected, sampling the image of the video device in real time, and performing digital image processing and analysis on each sampled frame of portrait. In the image processing link, the sampled image is first grayscaled and homogenized, and the original image is converted into an image that can be processed for data analysis. After that, the innovative algorithm of the present invention is used to judge the current sharpness of the lens based on the detection algorithm of the peak and valley inflection points of the image. The present invention can quickly and accurately complete the focusing operation of the equipment lens, and the theoretical value of the number of image sampling frames for dynamic video images can reach 100 frames per second. At the same time, the focus definition adjustment accuracy is high. Through the invention, the precision of focusing adjustment of the video equipment is improved, and the labor cost of the station is reduced at the same time.

Description

technical field [0001] The invention relates to a processing technology for automatically adjusting the definition of a lens based on an image processing technology, which is suitable for the application field of high-precision adjustment of a lens of a video equipment. Background technique [0002] At present, in the lens definition adjustment link of video equipment, the traditional method of manual visual inspection and adjustment is generally used. Due to the heavy proportion of subjective factors in manual visual judgment, it is difficult to set a unified judgment standard. At the same time, the high-intensity judgment work of the production line is easy to make the operator's visual fatigue, leading to misjudgment and misjudgment from time to time. Once defective products enter the market, it will bring many adverse effects to the enterprise. Contents of the invention [0003] The purpose of the present invention is to provide a method capable of automatically adjus...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/202H04N5/232
Inventor 陈亮马颖隽方文静
Owner SHANGHAI SUOGUANG VISUAL PRODUCTS CO LTD
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