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The Method for Controlling Focus in Image Captured from Multi-focus Objects
The Method for Controlling Focus in Image Captured from Multi-focus Objects
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机译:从多焦点物体捕获的图像中控制焦点的方法
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摘要
PURPOSE: A method for controlling a focus in an image captured from multi-focus objects is provided to quickly and accurately a focal distance according to an optical axis about an interesting object from an obtained image, thereby obtaining a sharp image about the interesting object. CONSTITUTION: Images of objects are obtained respectively by every interval. N interesting regions and M interesting regions are set in the obtained images at a fixed interval. Among the objects, coordinates of the interesting object are detected respectively. The sharpness of the dynamic focal region defined in each image is calculated. A distance moved along with an optical axis is determined as a focal distance of a multi-focal object in an image with the best sharpness value.
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