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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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apps/createsamples/utility.cpp
+6 -6
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@@ -686,8 +686,8 @@ void icvPlaceDistortedSample( Mat background,
Mat img( background.size(), CV_8UC1 );
Mat maskimg( background.size(), CV_8UC1 );
resize( data->img(roi), img, img.size(), 0, 0, INTER_LINEAR);
resize( data->maskimg(roi), maskimg, maskimg.size(), 0, 0, INTER_LINEAR);
resize( data->img(roi), img, img.size(), 0, 0, INTER_LINEAR_EXACT);
resize( data->maskimg(roi), maskimg, maskimg.size(), 0, 0, INTER_LINEAR_EXACT);
forecolordev = (int) (maxintensitydev * (2.0 * rand() / RAND_MAX - 1.0));
@@ -877,7 +877,7 @@ void icvGetNextFromBackgroundData( CvBackgroundData* data,
((float) data->winsize.height + reader->point.y) / ((float) reader->src.rows) );
resize( reader->src, reader->img,
Size((int)(reader->scale * reader->src.rows + 0.5F), (int)(reader->scale * reader->src.cols + 0.5F)), 0, 0, INTER_LINEAR );
Size((int)(reader->scale * reader->src.rows + 0.5F), (int)(reader->scale * reader->src.cols + 0.5F)), 0, 0, INTER_LINEAR_EXACT );
}
/*
@@ -932,7 +932,7 @@ void icvGetBackgroundImage( CvBackgroundData* data,
if( reader->scale <= 1.0F )
{
resize(reader->src, reader->img,
Size((int)(reader->scale * reader->src.rows), (int)(reader->scale * reader->src.cols)), 0, 0, INTER_LINEAR);
Size((int)(reader->scale * reader->src.rows), (int)(reader->scale * reader->src.cols)), 0, 0, INTER_LINEAR_EXACT);
}
else
{
@@ -1323,7 +1323,7 @@ int cvCreateTrainingSamplesFromInfo( const char* infoname, const char* vecfilena
if( error ) break;
Mat sample;
resize( src(Rect(x, y, width, height)), sample, Size(winwidth, winheight), 0, 0,
width >= winwidth && height >= winheight ? INTER_AREA : INTER_LINEAR );
width >= winwidth && height >= winheight ? INTER_AREA : INTER_LINEAR_EXACT );
if( showsamples )
{
@@ -1452,7 +1452,7 @@ void cvShowVecSamples( const char* filename, int winwidth, int winheight,
icvGetTraininDataFromVec( sample, file );
if( scale != 1.0 )
resize( sample, sample,
Size(MAX(1, cvCeil(scale * winheight)), MAX(1, cvCeil(scale * winwidth))), 0, 0, INTER_LINEAR);
Size(MAX(1, cvCeil(scale * winheight)), MAX(1, cvCeil(scale * winwidth))), 0, 0, INTER_LINEAR_EXACT);
imshow( "Sample", sample );
if( (waitKey( 0 ) & 0xFF) == 27 ) break;
}