travail/php-Image-PerceptualHash
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travail 2015-02-03 16:27:27 +09:00
parent e05ec20e06
commit 014becdf5a
1 changed files with 2 additions and 1 deletions
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lib/PerceptualHash/Algorithm/PerceptionHash.php
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@ -40,7 +40,7 @@ class PerceptionHash implements Algorithm
$matrix[$x] = $this->dct($col); $matrix[$x] = $this->dct($col);
} }
// Extract the top 8x8 pixels. // Extract the top-left 8x8 pixels.
$pixels = array(); $pixels = array();
for ($y = 0; $y < 8; $y++) { for ($y = 0; $y < 8; $y++) {
for ($x = 0; $x < 8; $x++) { for ($x = 0; $x < 8; $x++) {
@ -48,6 +48,7 @@ class PerceptionHash implements Algorithm
} }
} }
// TODO: median or mean?
// Calculate the median. // Calculate the median.
$median = $this->median($pixels); $median = $this->median($pixels);
// Calculate the binary hash. // Calculate the binary hash.