G - Physics – 06 – K
Patent
G - Physics
06
K
G06K 9/46 (2006.01) G06T 7/60 (2006.01) G06T 9/00 (2006.01) H04N 5/262 (2006.01) H04N 7/26 (2006.01) H04N 7/28 (2006.01) H04N 7/30 (2006.01)
Patent
CA 2173092
A transformation unit 102 transforms an entered image to multi-resolution space. A quantizer 105 performs vector quantization on a local pattern of an image of a multi-resolution representation. A perspective-order calculating unit 107 extracts a plurality of code words, positions corresponding thereto and/or angle of rotation and/or scale, and the perspective-order relationship of a plurality of these representative vectors, from the quantized image. An algebraic encoder 108 encodes the input image based upon the extracted information. As a result, there are provided an image processing apparatus and method for asymmetric encoding without motion in three dimensions and extraction of a three-dimensional structure. Further, a transformation unit 1103 transforms an entered image to vector field, and a singularity detector 1104 detects a singularity in the transformed image. A transformation encoder 1105 partitions the vector field into areas which include detected feature points, and each area is encoded by functional approximation. As a result, a finite number of feature points can be obtained with ease and an image processing apparatus and method exhibiting strong resistance to the effects of noise are provided.
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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