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Implementation of bit-exact resize. Internal calls to linear resize updated to use bit-exact version. (#9468)

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This commit is contained in:
Vitaly Tuzov
2017-12-13 15:00:38 +03:00
committed by Vadim Pisarevsky
parent 84ee4d701a
commit 51cb56ef2c
57 changed files with 1300 additions and 112 deletions
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modules/imgcodecs/src/loadsave.cpp
+1 -1
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@@ -506,7 +506,7 @@ imread_( const String& filename, int flags, int hdrtype, Mat* mat=0 )
if( decoder->setScale( scale_denom ) > 1 ) // if decoder is JpegDecoder then decoder->setScale always returns 1
{
resize( *mat, *mat, Size( size.width / scale_denom, size.height / scale_denom ) );
resize( *mat, *mat, Size( size.width / scale_denom, size.height / scale_denom ), 0, 0, INTER_LINEAR_EXACT);
}
return hdrtype == LOAD_CVMAT ? (void*)matrix :