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APPARATUS AND METHOD FOR BOUNDARY DETECTION IN VECTOR SEQUENCES AND EDGE DETECTION IN COLOR IMAGE SIGNALS
APPARATUS AND METHOD FOR BOUNDARY DETECTION IN VECTOR SEQUENCES AND EDGE DETECTION IN COLOR IMAGE SIGNALS
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机译:在矢量图像中进行边界检测和在彩色图像信号中进行边缘检测的装置和方法
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摘要
There is disclosed an apparatus and method for boundary detection in vector sequences and edge detection in color image signals. A boundary detection controller analyzes a vector sequence that represents a signal. A frequency dependent function is used to calculate a modified first order difference (MFD) of the vector act sequence, first as a vector quantity, then as a scalar quantity. A local maximum of the MFD scalar quantity that is greater than a predetermined threshold value identifies a boundary location. The boundary detection controller also analyzes luminance and chrominance portions of a color image signal to locate luminance edges and chrominance edges in a color image.
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