turkowsk | 2 Aug 20:23 2012
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From: The original message was received at 2012-08-02 11:20:23 -0700 from postoffice.hsd1.ca.comcast.net. [10.0.0.1] ----- The following addresses had permanent fatal errors ----- <turkowsk <at> pacbell.net> -----Transcript of session follows ----- ... while talking to postoffice.hsd1.ca.comcast.net..: >>> RCPT To:<turkowsk <at> pacbell.net> <<< 550 5.1.1 unknown or illegal alias: turkowsk <at> pacbell.net 550 <turkowsk <at> pacbell.net>... User unknown <OpenCV <at> yahoogroups.com>
Subject: [OpenCV] Digest Number 6706[2 Attachments]
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marcellbarbacena | 2 Aug 12:09 2012
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Python x CPP: Diferents results from HOG pedestrian detector

Hi,

I'm receiving diferents results when running code throught python and cpp for HOG Pedestrian Detector. Am
I doing something wrong or is this a bug? Codes below. Ty

Python:
img = cv.LoadImage(sys.argv[1])
storage = cv.CreateMemStorage(0)
found = list(cv.HOGDetectMultiScale(img, storage, win_stride=(8,8), padding=(24,16), scale=1.05, group_threshold=2))
for i in found:
    xy, wh = i
    x, y = xy
    w, h = wh
    print str(int(frame)) + " " + str(x) + " " + str(y) + " " + str(w) + " " + str(h)

CPP:
HOGDescriptor hog;
vector<Rect> found;
IplImage* img = cvLoadImage(argv[1]);
hog.setSVMDetector(HOGDescriptor::getDefaultPeopleDetector());
hog.detectMultiScale(process, found, 0, Size(8,8), Size(24,16), 1.05, 2.0);
for( size_t i = 1; i < found.size(); i++ )
{
    Rect r = found[i];
    printf("%d %d %d %d %d\n", c, r.x, r.y, r.height, r.width);
}

===
"If you have no character to lose,
people will have no faith in you" M. Gandhi
(Continue reading)

snjvkalangi | 2 Aug 08:35 2012
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conspicuity map opencv

plz help in getting the conspicuity map of all the feature maps.I'am searching for the code for center
surround method

------------------------------------

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Marcell Manfrin Barbacena | 1 Aug 14:48 2012
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Python x CPP: Diferents results from HOG pedestrian detector



Hi,

I'm receiving diferents results when running code throught python and cpp for HOG Pedestrian Detector. Am I doing something wrong or is this a bug? Codes below. Ty

Python:
img = cv.LoadImage(sys.argv[1])
storage = cv.CreateMemStorage(0)
found = list(cv.HOGDetectMultiScale(img, storage, win_stride=(8,8), padding=(24,16), scale=1.05, group_threshold=2))
for i in found:
    xy, wh = i
    x, y = xy
    w, h = wh
    print str(int(frame)) + " " + str(x) + " " + str(y) + " " + str(w) + " " + str(h)

CPP:
HOGDescriptor hog;
vector<Rect> found;
IplImage* img = cvLoadImage(argv[1]);
hog.setSVMDetector(HOGDescriptor::getDefaultPeopleDetector());
hog.detectMultiScale(process, found, 0, Size(8,8), Size(24,16), 1.05, 2.0);
for( size_t i = 1; i < found.size(); i++ )
{
    Rect r = found[i];
    printf("%d %d %d %d %d\n", c, r.x, r.y, r.height, r.width);
}


===
"If you have no character to lose,
people will have no faith in you" M. Gandhi
--
Marcell Manfrin Barbacena
barbacena <at> gmail.com
marcell <at> tre-pb.gov.br
Skype: callto://marcell84bruk
+55 (83) 3512-1346 (Work)
+55 (83) 9625-6333 (Mobile TIM network)
+55 (83) 8808-8555 (Mobile OI network)
+55 (83) 3224-5945 (Home)


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Seereen Noorwali | 2 Aug 05:58 2012
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Can I updated openCV without problem



Hi everyone 

I am working on MAC 10.8.6 ... my current version of openCV is 2.4.0 
 since I faced many problems ... I decide to update it to 2.4.2 (the latest version)
when I install openCV, I install ffmpeg V11 before to make openCV deal with videos 

So, do I need to remove every thing (ffmpeg with its requirements and openCV ), then install every thing again ?

or I can just install openCV 2.4.2 and old version will be replaced ! ??


does any one know??? :D

Thanks in advance 

Seereen 


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karlgustavjohansson | 1 Aug 23:07 2012
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Help with gpu::dft output (DFT_REAL_OUTPUT)

Hi,

When I use the CPU version of opencv DFT I can specify the output as "DFT_REAL_OUTPUT" but this does not work
with the GPU version of DFT.
If the input matrix is of type 32f the ouput type is 32f in the cpu version.
dft(padded1CPU, fft1CPU, DFT_REAL_OUTPUT);

When I use this for the gpu version: gpu::dft(padded1, fft1, padded1.size());

The fft1 becommes a 32f2 with two channels half the with of the cpu.
How can I merge this so the output is the same ouptut as in the cpu function?

Thanks

/Zeiko

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rubi faith | 1 Aug 18:50 2012
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hue histogram [2 Attachments]

[Attachment(s) from rubi faith included below]

Dear Friends ,

I want to make color representation in the hue-saturation plane of HSV image as shown in attached hueImg.jpg .
Could any one please help me to do that . thanks 

One more issue is i can draw histogram of hue for intensity range 0 to 255 .
but i wanna draw histogram of hue only that run from 0 to1 79 as opencv used as shown in the attached image hueInfo Img.jpg. 
.
Could any one please guide me how to make it .
thanks 


Attachment(s) from rubi faith

2 of 2 Photo(s)



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Sven Wiegand | 1 Aug 12:25 2012
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How to use LUC with the LAB Colorspace?



Hi,
i want to use the LUC feature with the LAB-Colorspace.
My problem is that LAB use a range between -128 up to 128.
How can i acces the negative values?

Greetings,
swi


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ravi | 1 Aug 06:29 2012
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Floor Detection

hi , May i know the possible ways in which we can detect floor region, where obstacles are shown in different color.

And is it possible that a i take a picture of floor and later when i get one more picture i can detect floor in the
image and get the region.

I know am going a bit deep but , to say i am just a newbie trying to figure out things , Greetings

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elshayalsmartgis | 1 Aug 05:03 2012
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Elshayal Smart GIS is available now in SkyDrive download Storage



Elshayal Smart GIS is available now in SkyDrive download Storage
https://skydrive.live.com/redir?resid=D39F38C421034734!125

 



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Seereen Noorwali | 31 Jul 23:29 2012
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SURF with avi videos



Hi everyone ... 

I applied SURF algorithm on avi video ,,, but I faced strange problems on my code 

Actually I am working on MAC os x 10.6.8  and I am using xcode 3.2.3    

when I run the code it is work for a while then it is stop ... it's give me a strange error "program receive signal "SIGABRT"

I did some search in google about this error .. but I does not solve this problem 

I am not sure if this error come from my code or from the xcode ! 

I will be so appreciate if some one check my code and let me know if it has any problem 

or if you have the solution for t his strange error 

Thanks in Advance 

Seereen 


this is my code 

#include <stdio.h>

#include <opencv2/opencv.hpp>

#include <opencv2/highgui/highgui.hpp>

#include <opencv/ml.h>

#include <opencv/cxcore.h>

#include <opencv/cv.h>

#include <opencv2/features2d/features2d.hpp>

#include <opencv2/nonfree/nonfree.hpp>

#include <opencv2/core/core.hpp>

#include <opencv2/calib3d/calib3d.hpp> 

#include <opencv2/imgproc/imgproc_c.h>



using namespace cv;

//using namespace std;


int main (int argc, char * const argv[])

{

cvNamedWindow( "Example", CV_WINDOW_AUTOSIZE );

CvMemStorage* storage = cvCreateMemStorage();

static CvScalar red_color[] ={0,0,255};


// GET video

CvCapture* capture = cvCreateFileCapture( "myvideo.avi" );

if (!capture ) 

{

printf( "Unable to read input video." );

return 0;

}

double fps = cvGetCaptureProperty( capture,CV_CAP_PROP_FPS);

// printf( "fps %f ",fps );

// Read frame

IplImage* frame = cvQueryFrame( capture );

// INIT the video writer

CvVideoWriter *writer = cvCreateVideoWriter( "surf.avi", CV_FOURCC('F','F','V','1'), fps, cvGetSize(frame));


while(1

{

CvSeq *imageKeypoints = 0, *imageDescriptors = 0;

int i;

//Extract SURF points by initializing parameters

CvSURFParams params = cvSURFParams(500, 1);

cvExtractSURF( frame, 0, &imageKeypoints, &imageDescriptors, storage, params );

//draw the keypoints on the captured frame

for( i = 0; i < imageKeypoints->total; i++ )

{

CvSURFPoint* r = (CvSURFPoint*)cvGetSeqElem( imageKeypoints, i );

CvPoint center;

int radius;

center.x = cvRound(r->pt.x);

center.y = cvRound(r->pt.y);

//radius = cvRound(r->size*1.2/9.*2);

radius = 5;

cvCircle( frame, center, radius, red_color[0], 1, 8, 0 );

}

cvWriteFrame( writer, frame );

cvShowImage( "Example", frame );

// READ next frame

frame = cvQueryFrame( capture );

if( !frame ) 

break;

char c = cvWaitKey(33);

if( c == 27

break;

}

    // CLEAN everything

cvReleaseImage( &frame );

cvReleaseCapture( &capture );

cvReleaseVideoWriter( &writer );

cvDestroyWindow( "Example" );

    return 0;

}



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