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Focusing point determining method and apparatus

  • US 10,291,838 B2
  • Filed: 02/27/2017
  • Issued: 05/14/2019
  • Est. Priority Date: 06/28/2016
  • Status: Active Grant
First Claim
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1. A focusing point determining method, comprising:

  • obtaining a view-finding image within a view-finding coverage;

    identifying a significance area in the view-finding image; and

    extracting at least one focusing point from the identified significance area,wherein said identifying the significance area in the view-finding image comprises;

    generating a significance identifying picture based on the view-finding image, wherein in the significance identifying picture, a gray scale value of each pixel represents significance of the pixel;

    binarizing the significance identifying picture to obtain a binarized significance picture; and

    taking at least one connected area in the binarized significance picture as the significance area.

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