Update to 2.0.0 tree from current Fremantle build

[opencv] / samples / python / dft.py

diff --git a/samples/python/dft.py b/samples/python/dft.py
deleted file mode 100755 (executable)
index 5bb3e26..0000000
--- a/samples/python/dft.py
+++ /dev/null
@@ -1,107 +0,0 @@
-#!/usr/bin/python
-from opencv.cv import *
-from opencv.highgui import *
-import sys
-
-# Rearrange the quadrants of Fourier image so that the origin is at
-# the image center
-# src & dst arrays of equal size & type
-def cvShiftDFT(src_arr, dst_arr ):
-
-    size = cvGetSize(src_arr);
-    dst_size = cvGetSize(dst_arr);
-
-    if(dst_size.width != size.width or 
-            dst_size.height != size.height) :
-        cvError( CV_StsUnmatchedSizes, "cvShiftDFT", "Source and Destination arrays must have equal sizes", __FILE__, __LINE__ );    
-
-    if(src_arr is dst_arr):
-        tmp = cvCreateMat(size.height/2, size.width/2, cvGetElemType(src_arr));
-    
-    cx = size.width/2;
-    cy = size.height/2; # image center
-
-    q1 = cvGetSubRect( src_arr, cvRect(0,0,cx, cy) );
-    q2 = cvGetSubRect( src_arr, cvRect(cx,0,cx,cy) );
-    q3 = cvGetSubRect( src_arr, cvRect(cx,cy,cx,cy) );
-    q4 = cvGetSubRect( src_arr, cvRect(0,cy,cx,cy) );
-    d1 = cvGetSubRect( src_arr, cvRect(0,0,cx,cy) );
-    d2 = cvGetSubRect( src_arr, cvRect(cx,0,cx,cy) );
-    d3 = cvGetSubRect( src_arr, cvRect(cx,cy,cx,cy) );
-    d4 = cvGetSubRect( src_arr, cvRect(0,cy,cx,cy) );
-
-    if(src_arr is not dst_arr):
-        if( not CV_ARE_TYPES_EQ( q1, d1 )):
-            cvError( CV_StsUnmatchedFormats, "cvShiftDFT", "Source and Destination arrays must have the same format", __FILE__, __LINE__ );    
-        
-        cvCopy(q3, d1);
-        cvCopy(q4, d2);
-        cvCopy(q1, d3);
-        cvCopy(q2, d4);
-    
-    else:
-        cvCopy(q3, tmp);
-        cvCopy(q1, q3);
-        cvCopy(tmp, q1);
-        cvCopy(q4, tmp);
-        cvCopy(q2, q4);
-        cvCopy(tmp, q2);
-
-if __name__ == "__main__":
-    
-    im = cvLoadImage( sys.argv[1], CV_LOAD_IMAGE_GRAYSCALE);
-
-    realInput = cvCreateImage( cvGetSize(im), IPL_DEPTH_64F, 1);
-    imaginaryInput = cvCreateImage( cvGetSize(im), IPL_DEPTH_64F, 1);
-    complexInput = cvCreateImage( cvGetSize(im), IPL_DEPTH_64F, 2);
-
-    cvScale(im, realInput, 1.0, 0.0);
-    cvZero(imaginaryInput);
-    cvMerge(realInput, imaginaryInput, None, None, complexInput);
-
-    dft_M = cvGetOptimalDFTSize( im.height - 1 );
-    dft_N = cvGetOptimalDFTSize( im.width - 1 );
-
-    dft_A = cvCreateMat( dft_M, dft_N, CV_64FC2 );
-    image_Re = cvCreateImage( cvSize(dft_N, dft_M), IPL_DEPTH_64F, 1);
-    image_Im = cvCreateImage( cvSize(dft_N, dft_M), IPL_DEPTH_64F, 1);
-
-    # copy A to dft_A and pad dft_A with zeros
-    tmp = cvGetSubRect( dft_A, cvRect(0,0, im.width, im.height));
-    cvCopy( complexInput, tmp, None );
-    if(dft_A.width > im.width):
-        tmp = cvGetSubRect( dft_A, cvRect(im.width,0, dft_N - im.width, im.height));
-        cvZero( tmp );
-
-    # no need to pad bottom part of dft_A with zeros because of
-    # use nonzero_rows parameter in cvDFT() call below
-
-    cvDFT( dft_A, dft_A, CV_DXT_FORWARD, complexInput.height );
-
-    cvNamedWindow("win", 0);
-    cvNamedWindow("magnitude", 0);
-    cvShowImage("win", im);
-
-    # Split Fourier in real and imaginary parts
-    cvSplit( dft_A, image_Re, image_Im, None, None );
-
-    # Compute the magnitude of the spectrum Mag = sqrt(Re^2 + Im^2)
-    cvPow( image_Re, image_Re, 2.0);
-    cvPow( image_Im, image_Im, 2.0);
-    cvAdd( image_Re, image_Im, image_Re, None);
-    cvPow( image_Re, image_Re, 0.5 );
-
-    # Compute log(1 + Mag)
-    cvAddS( image_Re, cvScalarAll(1.0), image_Re, None ); # 1 + Mag
-    cvLog( image_Re, image_Re ); # log(1 + Mag)
-
-
-    # Rearrange the quadrants of Fourier image so that the origin is at
-    # the image center
-    cvShiftDFT( image_Re, image_Re );
-
-    min, max = cvMinMaxLoc(image_Re);
-    cvScale(image_Re, image_Re, 1.0/(max-min), 1.0*(-min)/(max-min));
-    cvShowImage("magnitude", image_Re);
-
-    cvWaitKey(-1);