AUTO FOCUS METHOD AND AUTO FOCUS APPARATUS
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United States of America Patent
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app pub date -
May 22, 2013
filing date -
Apr 11, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An auto focus (AF) method adapted to an AF apparatus is provided. The AF method includes following steps. A target object is selected and photographed by a first image sensor and a second image sensor to generate a first image and a second image. A procedure of three-dimensional (3D) depth estimation is performed according to the first image and the second image to generate a 3D depth map. An optimization process is performed on the 3D depth map to generate an optimized 3D depth map. A piece of depth information corresponding to the target object is determined according to the optimized 3D depth map, and a focusing position regarding the target object is obtained according to the pieces of depth information. The AF apparatus is driven to execute an AF procedure according to the focusing position. Additionally, an AF apparatus is provided.
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Family
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Cited Art Landscape
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