Kristian/scanned-image-extractor
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Got OpenCV3 working

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This commit is contained in:
Kristian Krsnik 2024-02-01 21:11:28 +01:00
parent a54193cd90
commit eeb1cd6647
Signed by: Kristian
GPG Key ID: FD1330AC9F909E85
2 changed files with 11 additions and 5 deletions
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6
flake.nix
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@ -35,14 +35,14 @@
nativeBuildInputs = with pkgs; [ nativeBuildInputs = with pkgs; [
cmake cmake
opencv2 opencv3
liblbfgs liblbfgs
qt5.full qt5.full
libsForQt5.qt5.wrapQtAppsHook libsForQt5.qt5.wrapQtAppsHook
]; ];
configurePhase = '' configurePhase = ''
cmake scannerExtract -DCMAKE_BUILD_TYPE=release -DOPENCV2=1 cmake scannerExtract -DCMAKE_BUILD_TYPE=release
''; '';
buildPhase = '' buildPhase = ''
@ -90,7 +90,7 @@
default = pkgs.mkShellNoCC { default = pkgs.mkShellNoCC {
packages = with pkgs; [ packages = with pkgs; [
cmake cmake
opencv2 opencv3
liblbfgs liblbfgs
gt5.full gt5.full

10
scannerExtract/preloadsource.cpp
View File

@ -194,14 +194,20 @@ void PreloadSource::getSumOfRectangleSampling(const QVector<cv::Point2f> pts,
sumValues = 0; sumValues = 0;
numPixels = 0; numPixels = 0;
IplImage tmp = image; IplImage tmp = cvIplImage(image);
assert(image.type() == CV_8U); assert(image.type() == CV_8U);
for (int i=0; i<4; i++) for (int i=0; i<4; i++)
{ {
CvLineIterator iterator; CvLineIterator iterator;
const int count = cvInitLineIterator( &tmp, pts[i], pts[(i+1)%4], &iterator, 4); const int count = cvInitLineIterator(
&tmp,
cvPoint(cvRound(pts[i].x), cvRound(pts[i].y)),
cvPoint(cvRound(pts[(i + 1) % 4].x), cvRound(pts[(i + 1) % 4].y)),
&iterator,
4
);
for( int j = 0; j < count; j++ ){ for( int j = 0; j < count; j++ ){
sumValues += iterator.ptr[0]; sumValues += iterator.ptr[0];