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5/22/92 Greg Ward |
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Usage: |
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pcomb -x xres -y yres -f kern.cal -f filt.cal input.pic > output.pic |
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pcomb -x xres -y yres -f kern.cal -f filt.cal input.hdr > output.hdr |
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The file "kern.cal" must define the constant function kern(x,y), which |
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describes how the kernal behaves as a function of offset in x and y |
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K20 : k( 1,-1); K21 : k( 1, 0); K22 : k( 1, 1); |
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sumtotal : K00+K01+K02+K10+K11+K12+K20+K21+K22; |
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f(p) = ( K00*p(1,-1,-1) + K01*p(1,-1, 0) + K02*p(1,-1, 1) + |
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K10*p(1, 0,-1) + K11*p(1, 0, 0) + K12*p(1, 0, 1) + |
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K20*p(1, 1,-1) + K21*p(1, 1, 0) + K22*p(1, 1, 1) ) / sumtotal; |
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f(p,i) = ( K00*p(i,-1,-1) + K01*p(i,-1, 0) + K02*p(i,-1, 1) + |
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K10*p(i, 0,-1) + K11*p(i, 0, 0) + K12*p(i, 0, 1) + |
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K20*p(i, 1,-1) + K21*p(i, 1, 0) + K22*p(i, 1, 1) ) / sumtotal; |
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ro = f(ri); |
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go = f(gi); |
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bo = f(bi); |
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ro = f(ri,1); |
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go = f(gi,1); |
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bo = f(bi,1); |
