Correlation value calculation device
A computing device and correlation value technology, which is applied in the direction of complex mathematical operations, calculations, image enhancement, etc., can solve the problem of increasing the circuit scale of the correlation value computing device, and achieve the effect of reducing the circuit scale
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[0031] (First embodiment)
[0032] Reference Figure 1 to Figure 8 The first embodiment of the correlation value calculation device of the present invention will be described.
[0033] The correlation value calculation device 100 of this embodiment is installed in a device that performs noise reduction processing, motion vector detection, etc., and calculates correlation values at high speed.
[0034] figure 1 It is a diagram showing the structure of the correlation value calculation device 100. The correlation value calculation device 100 calculates a correlation value between a specific area (reference block) in one image (frame) and a specific area (reference block) having the same block size as the reference block.
[0035] Such as figure 2 As shown, the correlation value calculation device 100 of the present embodiment calculates the correlation values between a reference block with a pixel of interest (tx, ty) of an image (frame) as a center pixel and a plurality of referen...
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[0121] (Second embodiment)
[0122] Reference Figure 9 to Figure 13 The second embodiment of the present invention will be described. The method of the second intermediate correlation value calculation unit 32 of this embodiment is different from that of the first embodiment. In the following description, the same components as those already described are denoted by the same reference numerals and repeated descriptions are omitted.
[0123] Picture 9 It is a figure which shows the structure of the correlation value calculation apparatus 200 of this embodiment. The correlation value calculation unit 3A of the correlation value calculation device 200 has 24 first intermediate correlation value calculation units 31, 16 second intermediate correlation value calculation units B320, 40 second intermediate correlation value calculation units C321, and 64 second intermediate values The correlation value calculation unit D322 and the correlation value interpolation unit 35.
[0124] Suc...
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