Apparatus for determining at least one edge of an object having a plurality of openings with respective edges. An imaging device generates an image signal of the object to represent light intensity values of a plurality of pixels, the image signal being processed to estimate a linear relationship derived from the light intensity values of a predetermined number of the pixels. A determining device determines whether the linear relationship includes at least one light intensity value corresponding to an edge.
申请公布号
US6031931(A)
申请公布日期
2000.02.29
申请号
US19960615474
申请日期
1996.03.15
申请人
SONY CORPORATION;SONY ELECTRONICS, INC.
发明人
CHIU, CHINCHUAN;PAOLELLA, PHILIP;LEARY, MICHAEL;MARCANIO, JOSEPH A.;ISHII, FUSAO