G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 9/20 (2006.01) G06T 5/00 (2006.01)
Patent
CA 2299578
There is provided a contour extraction apparatus and a method thereof by which candidate data of a plurality of subjectively evaluable contour curves can be presented to a user by obtaining an accurate color projection axis and the user can be invited to make selection. An update sector extract section 31 obtains an update sector of a closed contour curve from representative points specified by a user. A color projection axis candidate calculator section 32' calculates a plurality of color projection axes which maximizes contrast around an edge within the update sector, based on representative points 1 and 2 and an image. A contour curve generator section 33 generates a contour curve candidate list corresponding to the list of the plurality of color projection axis candidates. The contour curve candidate list generated by the contour curve generator section 33 is displayed on a display device. Further, a user is invited to make selection by a candidate list select section 71, and the color projection axis selected by the user is sent to the contour curve generator section 33. The contour curve generator section 33 generates a new contour curve within the update sector from the image, representative points 1 and 2, and the color projection axis. The update sector synthesizer section 34 synthesizes the contour curve of an updated sector with a closed curve thereby to generate a new closed contour curve.
Ishii Takahiro
Ogino Tomotaka
Totsuka Takashi
Gowling Lafleur Henderson Llp
Sony Corporation
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