发明名称 |
METHOD AND APPARATUS FOR PERFORMING TWO DIMENSIONAL VIDEO CONVOLVING |
摘要 |
A two dimensional video convolver generates visually acceptable images on a standard television receiver and includes first and second adder stages and two pixel time period delays. The first adder stage simultaneously receives binary data from three adjacent pixels in a predetermined line in a first direction of a picture to be reproduced on a display during each pixel scan period. The binary data of each of three pixels is processed with a predetermined weight to generate a binary first stage output signal representative of a weighted sum of the plurality of the three pixels in the predetermined line. The second adder stage is responsive to the binary first adder stage output signal during a time period for each of three predetermined adjacent lines in a second orthogonal direction of a picture to be reproduced on a display. The second adder stage processes the binary weighted sum of each of the three lines with a predetermined weight to generate a video convolver output signal representative of a weighted sum of the three pixels in a first direction over three adjacent lines in a second orthogonal direction. Weighting is accomplished in the first and second adder stages by using binary data bits for a pixel as received when the weight for that pixel is a numerical one, and by shifting the received binary data bits by a predetermined number of y bits in a first direction to provide a multiply function when a respective weight is greater than one and equals 2y.
|
申请公布号 |
CA2179785(C) |
申请公布日期 |
2000.08.15 |
申请号 |
CA19962179785 |
申请日期 |
1996.06.24 |
申请人 |
GENERAL INSTRUMENT CORPORATION OF DELAWARE |
发明人 |
BUTLER, DONALD S.;AMANO, RICHARD S. |
分类号 |
G06F17/15;G06T5/20;G09G5/00;H04N5/14;H04N5/208;H04N5/21;(IPC1-7):H04N5/14 |
主分类号 |
G06F17/15 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|