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Revert changes by PR#2930 since it breaks logic of inverse mode.

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This commit is contained in:
Alexander Karsakov 2014-07-17 15:11:06 +04:00
parent 0b4e043442
commit 901d9b70b0
1 changed files with 1 additions and 5 deletions
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6
modules/core/src/dxt.cpp
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@ -1496,7 +1496,6 @@ void cv::dft( InputArray _src0, OutputArray _dst, int flags, int nonzero_rows )
int elem_size = (int)src.elemSize1(), complex_elem_size = elem_size*2;
int factors[34];
bool inplace_transform = false;
bool is1d = (flags & DFT_ROWS) != 0 || src.rows == 1;
#ifdef USE_IPP_DFT
AutoBuffer<uchar> ippbuf;
int ipp_norm_flag = !(flags & DFT_SCALE) ? 8 : inv ? 2 : 1;
@ -1505,10 +1504,7 @@ void cv::dft( InputArray _src0, OutputArray _dst, int flags, int nonzero_rows )
CV_Assert( type == CV_32FC1 || type == CV_32FC2 || type == CV_64FC1 || type == CV_64FC2 );
if( !inv && src.channels() == 1 && (flags & DFT_COMPLEX_OUTPUT) )
if (!is1d)
_dst.create( src.size(), CV_MAKETYPE(depth, 2) );
else
_dst.create( Size(src.cols/2+1, src.rows), CV_MAKETYPE(depth, 2) );
_dst.create( src.size(), CV_MAKETYPE(depth, 2) );
else if( inv && src.channels() == 2 && (flags & DFT_REAL_OUTPUT) )
_dst.create( src.size(), depth );
else