Image analysis – Applications – 3-d or stereo imaging analysis
Patent
1996-04-09
1999-02-02
Boudreau, Leo H.
Image analysis
Applications
3-d or stereo imaging analysis
348 43, 348 47, G06K 900, H04N 1300
Patent
active
058675914
ABSTRACT:
In the image pickup phase (A), right and left images are taken in through two image-pickup devices (S101, S102). Then, in the next feature extraction phase (B), right and left images are respectively subjected to feature extraction (S103, S104). Thereafter, in the succeeding matching phase (C), the extracted features of right and left images are compared to check how they match with each other (step S105). More specifically, in the matching phase (C), a one-dimensional window is set, this one-dimensional window is shifted along the left image in accordance with a predetermined scanning rule so as to successively set overlapped one-dimensional windows, and a matching operation is performed by comparing the image features within one window and corresponding image features on the right image. Subsequently, in the disparity determination phase (D), the left image is dissected or divided into plural blocks each having a predetermined size, a histogram in each block is created from disparities obtained by the matching operation based on one-dimensional windows involving pixels of a concerned block, and a specific disparity just corresponding to the peak of thus obtained histogram is identified as a valid disparity representing the concerned block (S106).
REFERENCES:
patent: 4745562 (1988-05-01), Prazdny
patent: 5309522 (1994-05-01), Dye
patent: 5383013 (1995-01-01), Cox
patent: 5530774 (1996-06-01), Fogel
patent: 5577130 (1996-11-01), Wu
patent: 5606627 (1997-02-01), Kuo
patent: 5612735 (1997-03-01), Haskell et al.
patent: 5652616 (1997-07-01), Chen et al.
patent: 5684890 (1997-11-01), Miyashita et al.
"Image Processing Handbook" by M. Onoue, Shokodo Publishing Co., Ltd., pp. 396-397, 1987.
"Drive Assist System by means of 3-D Image Recognition Technique" by Saneyoshi et al, pp. 169-172, Automotive Vehicle Technical Institute Scientific Lecture Meeting, Oct., 1992.
Boudreau Leo H.
Matsushita Electric - Industrial Co., Ltd.
Mehta Bhavesh
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