发明名称 METHOD AND APPARATUS FOR SIMULTANEOUSLY CONVOLVING MULTIPLE DIGITAL BINARY IMAGES USING A SINGLE CONVOLVER WITH A BINARY MASK TO DETERMINE PIXEL DENSITIES
摘要 <p>A system for simultaneously convolving first and second digital binary images in parallel with a single convolver having a binary mask. A first window is selected from the first digital binary image and a second window is selected from the second digital binary image. A first binary pixel is selected from the first window and a second binary pixel is selected from the second window. The first binary pixel is bit-shifted by concatenating a plurality of trailing zero bits to the first binary pixel. A multi-bit input pixel is formed by combining the bit-shifted first binary pixel and the second binary pixel. A single multi-bit output value is generated by simultaneously applying a plurality of multi-bit input pixels to a single convolver. A first convolution result is formed from only the least significant bits of the output value and a second convolution result is formed from only the most significant bits of the output value, wherein the first and second convolution results respectfully represent the results of sequentially applying a single convolver to the first and second windows.</p>
申请公布号 WO1996018158(A1) 申请公布日期 1996.06.13
申请号 US1994014143 申请日期 1994.12.09
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