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fix sigma scaling in smartcrop

This commit is contained in:
John Cupitt 2017-03-17 10:45:20 +00:00
parent c4129c1a44
commit 077978904a
1 changed files with 1 additions and 1 deletions
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2
libvips/conversion/smartcrop.c
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@ -229,7 +229,7 @@ vips_smartcrop_attention( VipsSmartcrop *smartcrop,
hshrink = in->Xsize / 32.0;
vshrink = in->Ysize / 32.0;
sigma = sqrt( pow( smartcrop->width / hshrink, 2 ) +
pow( smartcrop->height / vshrink, 2 ) ) / 2;
pow( smartcrop->height / vshrink, 2 ) ) / 6;
if( vips_add( t[7], t[19], &t[16], NULL ) ||
vips_add( t[16], t[15], &t[17], NULL ) ||
vips_shrink( t[17], &t[20], hshrink, vshrink, NULL ) ||