A target tracking method, device and image processing device are provided. The target tracking method includes: determining a plurality of different sizes of the detection target according to a predetermined scaling factor; calculating the eigenvector distance between the reference block of the detection target and one or more candidate blocks of the detection target in the current frame for each current size, and determining the matching value and candidate blocks of the current size according to the eigenvector distance; According to the matching values of the plurality of different sizes and candidate blocks, the tracking result of the detection target in the current frame is determined. Thus, even if the detection target is enlarged or reduced in the image frame, the tracking accuracy will not be reduced.
【技术实现步骤摘要】
【国外来华专利技术】PCT国内申请，说明书已公开。
【技术保护点】
PCT国内申请，权利要求书已公开。
【技术特征摘要】
【国外来华专利技术】PCT国内申请，...
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