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Focusing method for camera

A focusing method and camera technology, applied in the field of lens focusing, can solve the problems of slow focusing speed, troublesome focusing method, inaccuracy, etc., and achieve the effect of fast focusing

Inactive Publication Date: 2019-03-22
深圳市明日实业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a camera focusing method for the above-mentioned defects of the prior art, which solves the problems of troublesome focusing methods, slow and inaccurate focusing speed, and poor user experience

Method used

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Embodiment Construction

[0018] Now in conjunction with the accompanying drawings, the preferred embodiments of the present invention will be described in detail.

[0019] Such as figure 1 As shown, the present invention provides a preferred embodiment of a camera focusing method.

[0020] A method for focusing a camera, comprising steps:

[0021] Step S11, collecting environmental images multiple times, calculating the sharpness value of each environmental image, and selecting the focusing parameter corresponding to the environmental image with the largest sharpness value;

[0022] Step S12, using the focusing parameter as the acquisition parameter, collecting a plurality of blurred object images of objects with variable distances in the environment, and calculating the definition value of the variable object in each of the blurred object images as a reference sample;

[0023] Step S13. At the same time, adjust the acquisition parameters for each reference sample, obtain a high-definition clear obj...

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Abstract

The invention relates to the field of lens focusing, and in particular relates to a focusing method for a camera. The method comprises the steps of collecting environment images for many times; usinga focusing parameter as a collection parameter; meanwhile, adjusting the collection parameter aiming at each reference sample, and acquiring a clear object image of which a variable object is high indefinition; building index table information based on template information; further using the focusing parameter as the collection parameter, collecting an actual image, comparing the actual image with the index table information for judging, and thus acquiring a judgment result; and adaptively automatically focusing according to the judgment result. According to the method provided by the invention, through judging the actual image belongs to the fuzzy object image in which degree, and timely adjusting the adjusted collection parameter corresponding to the fuzzy object image, and the currentclear image is directly acquired, to achieve adaptive automatic focusing.

Description

technical field [0001] The invention relates to the field of lens focusing, in particular to a camera focusing method. Background technique [0002] Focal length is a measure of the concentration or divergence of light in an optical system. It refers to the distance from the optical center of the lens to the focal point of light concentration when parallel light is incident. It is also the distance from the center of the lens to the film or CCD imaging plane in the camera. An optical system with a short focal length has a better ability to gather light than an optical system with a long focal length. Simply put, the focal length is the distance from the focal point to the center point of the mirror. [0003] Focusing refers to adjusting the focus distance when using a camera. The English scientific name is Focus. Usually, digital cameras have a variety of focusing methods, which are auto focus, manual focus and multiple focus methods. Focusing is also called aiming at lig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232
CPCH04N23/67
Inventor 陈洪军
Owner 深圳市明日实业有限责任公司
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