Invention Grant
US08558854B2 Image recognition method, image recognition apparatus and image input/output apparatus 有权
图像识别方法,图像识别装置和图像输入/输出装置

Image recognition method, image recognition apparatus and image input/output apparatus
Abstract:
An image recognition method includes: a first step of acquiring n-th received light data at light receiving elements arranged in a matrix form on a light receiving surface; a second step of acquiring (n+1)-th received light data at the light receiving elements; a third step of calculating differential data resulting from subtraction of the n-th received light data acquired from the (n+1)-th received light data acquired; and a fourth step of carrying out image recognition based on the differential data.
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