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An image processing method having the wide angle distortion correction processing, an image processing apparatus and an imaging apparatus
An image processing method having the wide angle distortion correction processing, an image processing apparatus and an imaging apparatus
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机译:具有广角畸变校正处理的图像处理方法,图像处理设备和成像设备
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摘要
PROBLEM TO BE SOLVED: To accurately recognize a subject on distortion correction processing, using a relatively small scale circuit.SOLUTION: A distortion correction coefficient at least includes a first distortion correction coefficient calculated based on a physical characteristic of a lens in an optical system 110 and an incident angle of incident light from a virtual projection plane VP set to the optical system, and a second distortion correction coefficient which is an image height from an optical center at which an imaging device intersects with the optical axis of the optical system, calculated from a tangent function of the incident angle to the optical system as a variable. An image data, calculated in an incident angle range that saturates due to the value of the distortion correction coefficient exceeding a predetermined upper limit value, is converted into a preset predetermined value.
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