m1-ENSL/seam-carving
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adds sumexpgradcomp energy

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This commit is contained in:
François Colin de Verdière 2025-04-04 09:26:20 +02:00
parent f3cb18d9a0
commit 1521da1120
1 changed files with 20 additions and 1 deletions
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21
src/seam-carving.cpp
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@ -113,8 +113,27 @@ std::string function = "grad";
(fabs((float)source[indexPixel_right + ch] - \
source[indexPixel + ch])))); \
} \
} else if (function == "sumexpgradcomp") { \
\
for (auto ch = 0; ch < (nbColorChannels); ch++) { \
dest += (std::exp(fabs((float)source[indexPixel_up + ch] - \
source[indexPixel + ch]) / \
255) + \
\
std::exp(fabs((float)source[indexPixel_down + ch] - \
source[indexPixel + ch]) / \
255) + \
\
std::exp(fabs((float)source[indexPixel_left + ch] - \
source[indexPixel + ch]) / \
255) + \
std::exp(fabs((float)source[indexPixel_right + ch] - \
source[indexPixel + ch]) / \
255)); \
} \
} else { \
std::cerr << "function " << function << " not available" << std::endl; \
std::cerr << "no implementation found for function \"" << function << "\"" \
<< std::endl; \
exit(1); \
};
// Le alpha n'est pas pris en compte dans l'énergie