diff options
Diffstat (limited to 'sci_gateway1/cpp/opencv_retrieveImages.cpp')
| -rw-r--r-- | sci_gateway1/cpp/opencv_retrieveImages.cpp | 506 |
1 files changed, 506 insertions, 0 deletions
diff --git a/sci_gateway1/cpp/opencv_retrieveImages.cpp b/sci_gateway1/cpp/opencv_retrieveImages.cpp new file mode 100644 index 0000000..cace204 --- /dev/null +++ b/sci_gateway1/cpp/opencv_retrieveImages.cpp @@ -0,0 +1,506 @@ +/******************************************************************************************************************************** +* Author: Umang Agrawal * +* Code: reteieveImage.cpp * +* Funtion Call: [ Index, Score, ImageWord ] = retrieveImage( QureyImage, IndexImage, OptionalArgument) * +* Optional Argument: Name Value * +* NumResults Any Value greater than 0 * +* ROI [ x_coordinate y_coordinate width height ] * +********************************************************************************************************************************/ +#include <iostream> +#include <numeric> +#include <vector> +#include <string> +#include "opencv2/core/core.hpp" +#include "opencv2/features2d/features2d.hpp" +#include "opencv2/nonfree/features2d.hpp" +#include "opencv2/highgui/highgui.hpp" +#include "opencv2/nonfree/nonfree.hpp" +#include "opencv2/imgproc/imgproc.hpp" +#include "opencv2/ml/ml.hpp" + +using namespace cv; +using namespace std; + +extern "C" +{ + #include "api_scilab.h" + #include "Scierror.h" + #include "BOOL.h" + #include <localization.h> + #include "sciprint.h" + #include "../common.h" + + bool count_based(const vector<int>& a, const vector<int>& b) { + return a[1] > b[1]; + } + + int opencv_retrieveImages(char *fname, unsigned long fname_len) + { + SciErr sciErr; + + int *piAddr = NULL; + int *piAddr2 = NULL; + int *piAddr3 = NULL; + int *piAddr4 = NULL; + int *piChild = NULL; + int *piGrandChild = NULL; + int *piLen = NULL; + char **pstData = NULL; + int iRows, iCols; + int no_item_list = 0; + int no_item_list_2 = 0; + int inp_params = 0; + char **arg = NULL; + + char ***location_img = NULL; + double **WordIndex = NULL; + double **Location = NULL; + double **Vocab_size = NULL; + double **Count = NULL; + double *wordFrequency = NULL; + char *bagOfFeaturesLocation = NULL; + int count_res = 0, count_roi = 0; + double numRes = 0; + double *roi_arg = NULL; + double x, y, width, height; + + Mat image; + Mat feature_des; + Mat dictionary; + Mat des_matched; + Mat hist; + vector<KeyPoint> keypoints; + vector<KeyPoint> valid_key; + vector< vector<int> > clusterID; + vector<int> WordIndex_size; + + int indx; + int search_ind; + double *Index_Out = NULL; + double *Score = NULL; + double **ImageWords = NULL; + + CheckInputArgument(pvApiCtx, 2, 6); //Check on Number of Input Arguments + CheckOutputArgument(pvApiCtx, 1, 3); //Check on Number of Output Arguments + + retrieveImage(image, 1); + + sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr2); + if (sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + if(!isListType(pvApiCtx, piAddr2)) + { + Scierror(999, "Error: Invalid Second argument. List Expected.\n"); + return 0; + } + sciErr = getListItemNumber(pvApiCtx, piAddr2, &no_item_list); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfStringInList(pvApiCtx, piAddr2, 1, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + piLen = (int*)malloc(sizeof(int) * iRows * iCols); + sciErr = getMatrixOfStringInList(pvApiCtx, piAddr2, 1, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + pstData = (char**)malloc(sizeof(char*) * iRows * iCols); + for(int iter = 0 ; iter < iRows * iCols ; iter++) + { + pstData[iter] = (char*)malloc(sizeof(char) * (piLen[iter] + 1));//+ 1 for null termination + } + sciErr = getMatrixOfStringInList(pvApiCtx, piAddr2, 1, &iRows, &iCols, piLen, pstData); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + if(!(strcmp(pstData[0],"invertedImageIndex")==0)) + { + Scierror(999, "Error: The input argument 2 is not of type invertedImageIndex.\n"); + return 0; + } + + sciErr = getListItemAddress(pvApiCtx, piAddr2, 2, &piChild); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getListItemNumber(pvApiCtx, piChild, &no_item_list_2); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + WordIndex = (double**)malloc(sizeof(double*)*no_item_list_2); + Location = (double**)malloc(sizeof(double*)*no_item_list_2); + Vocab_size = (double**)malloc(sizeof(double*)*no_item_list_2); + Count = (double**)malloc(sizeof(double*)*no_item_list_2); + for( int i=0; i<no_item_list_2; i++) + { + sciErr = getListItemAddress(pvApiCtx, piChild, i+1, &piGrandChild); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfDoubleInList(pvApiCtx, piGrandChild, 1, &iRows, &iCols, &WordIndex[i]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + WordIndex_size.push_back(iRows); + sciErr = getMatrixOfDoubleInList(pvApiCtx, piGrandChild, 2, &iRows, &iCols, &Location[i]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfDoubleInList(pvApiCtx, piGrandChild, 3, &iRows, &iCols, &Vocab_size[i]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfDoubleInList(pvApiCtx, piGrandChild, 4, &iRows, &iCols, &Count[i]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + } + sciErr = getMatrixOfDoubleInList(pvApiCtx, piAddr2, 3, &iRows, &iCols, &wordFrequency); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfStringInList(pvApiCtx, piAddr2, 4, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + piLen = (int*)malloc(sizeof(int) * iRows * iCols); + sciErr = getMatrixOfStringInList(pvApiCtx, piAddr2, 4, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + pstData = (char**)malloc(sizeof(char*) * iRows * iCols); + for(int iter = 0 ; iter < iRows * iCols ; iter++) + { + pstData[iter] = (char*)malloc(sizeof(char) * (piLen[iter] + 1));//+ 1 for null termination + } + sciErr = getMatrixOfStringInList(pvApiCtx, piAddr2, 4, &iRows, &iCols, piLen, pstData); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + bagOfFeaturesLocation = pstData[0]; + if(no_item_list == 5) + { + location_img = (char***)malloc(sizeof(char**)*1); + sciErr = getListItemAddress(pvApiCtx, piAddr2, 5, &piChild); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = getMatrixOfStringInList(pvApiCtx, piChild, 1, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + piLen = (int*)malloc(sizeof(int) * iRows * iCols); + sciErr = getMatrixOfStringInList(pvApiCtx, piChild, 1, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + location_img[0] = (char**)malloc(sizeof(char*) * iRows * iCols); + for(int colIter = 0 ; colIter < iRows * iCols ; colIter++) + { + location_img[0][colIter] = (char*)malloc(sizeof(char) * (piLen[colIter] + 1));//+ 1 for null termination + } + sciErr = getMatrixOfStringInList(pvApiCtx, piChild, 1, &iRows, &iCols, piLen, location_img[0]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + } + + inp_params = *getNbInputArgument(pvApiCtx); + for( int i=3; i<=inp_params; i++) + { + if( inp_params%2 != 0) + { + Scierror(999,"Either Argument Name or its Value missing\n"); + return 0; + } + sciErr = getVarAddressFromPosition(pvApiCtx, i, &piAddr3); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //Check for Argument type + if( !isStringType(pvApiCtx, piAddr3)) + { + Scierror(999, "%s: Wrong type of argument for Name of Optional Argument. A string is expected.\n", fname); + return 0; + } + //Matrix of Stings + sciErr = getMatrixOfString(pvApiCtx, piAddr3, &iRows, &iCols, NULL, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + piLen = (int*)malloc(sizeof(int) * iRows * iCols); + //second call to retrieve the length of the string + sciErr = getMatrixOfString(pvApiCtx, piAddr3, &iRows, &iCols, piLen, NULL); + if(sciErr.iErr) + { + printError(&sciErr, 0); + free(piLen); + return 0; + } + arg = (char**)malloc(sizeof(char*) * iRows * iCols); + for(int j=0;j< iRows * iCols; j++) + { + arg[j] = (char*)malloc(sizeof(char) * (piLen[j] + 1)); + } + //third call to retrieve data + sciErr = getMatrixOfString(pvApiCtx, piAddr3, &iRows, &iCols, piLen, arg); + if(sciErr.iErr) + { + printError(&sciErr, 0); + free(piLen); + free(arg); + return 0; + } + + if(strcmp(arg[0],"NumResuts") == 0) + { + if(count_res != 0) + { + Scierror(999,"NumResults Argument has been called twice.\n"); + return 0; + } + free(arg); + free(piLen); + sciErr = getVarAddressFromPosition(pvApiCtx, i+1, &piAddr4); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //Checking the type of value + if(!(isDoubleType(pvApiCtx, piAddr4)||isIntegerType(pvApiCtx, piAddr4))) + { + Scierror(999,"Not a valid type of value for NumResults.\n"); + return 0; + } + if(getScalarDouble(pvApiCtx, piAddr4, &numRes)) + { + Scierror(999,"Error Reading value of NumResults Argument\n"); + return 0; + } + if(numRes < 0) + { + Scierror(999,"Not a valid value for NumResults\n"); + return 0; + } + i++; + count_res += 1; + } + else if(strcmp(arg[0],"ROI") == 0) + { + if(count_roi != 0) + { + Scierror(999,"ROI Argument has been called twice.\n"); + return 0; + } + free(arg); + free(piLen); + sciErr = getVarAddressFromPosition(pvApiCtx, i+1, &piAddr4); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //Checking the type of argument + if(!(isDoubleType(pvApiCtx, piAddr4)||isIntegerType(pvApiCtx, piAddr4))) + { + Scierror(999,"Not a valid type of value.\n"); + return 0; + } + //Reading the Value of the argument + sciErr = getMatrixOfDouble(pvApiCtx, piAddr4, &iRows, &iCols, &roi_arg); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + //Assigning the elements of the list to their proper function + x = roi_arg[0]; + y = roi_arg[1]; + width = roi_arg[2]; + height = roi_arg[3]; + i++; + count_roi += 1; + } + else + { + Scierror(999,"Invalid Argument Name\n"); + return 0; + } + } + + if(count_roi != 0) + { + Rect masker(x, y, width, height); + Mat croppedRef(image, masker); + image = Mat(); + croppedRef.copyTo(image); + } + + FileStorage fs(bagOfFeaturesLocation, FileStorage::READ); + fs["dictionary"] >> dictionary; + fs.release(); + + SurfFeatureDetector detector(100, 4, 2, 1, 1); + Ptr<DescriptorMatcher> matcher = DescriptorMatcher::create("FlannBased"); + Ptr<DescriptorExtractor> extractor = new SurfDescriptorExtractor(100, 4, 2, 1, 1); + BOWImgDescriptorExtractor bowDE(extractor, matcher); + bowDE.setVocabulary(dictionary); + detector.detect(image, keypoints); + bowDE.compute(image, keypoints, hist, &clusterID, &des_matched); + + ImageWords = (double**)malloc(sizeof(double*)*4*1); + ImageWords[0] = (double*)malloc(sizeof(double)*keypoints.size()*1); + ImageWords[1] = (double*)malloc(sizeof(double)*keypoints.size()*2); + ImageWords[2] = (double*)malloc(sizeof(double)*1); + ImageWords[3] = (double*)malloc(sizeof(double)*1); + + ImageWords[2][0] = Vocab_size[0][0]; + ImageWords[3][0] = keypoints.size(); + + vector<vector<int> > count_index(no_item_list_2 , vector<int>(3)); + + for( int i=0; i<keypoints.size(); i++) + { + ImageWords[1][i] = keypoints[i].pt.x; + ImageWords[1][keypoints.size() + i] = keypoints[i].pt.y; + } + for( int i=0; i<clusterID.size(); i++) + { + for( int j=0; j<clusterID[i].size(); j++) + { + indx = clusterID[i][j]; + ImageWords[0][indx] = i; + } + } + + for( int i=0; i<no_item_list_2; i++) + { + int count = 0; + for( int j=0; j<keypoints.size(); j++) + { + search_ind = ImageWords[0][j]; + for( int k=0; k<WordIndex_size[i]; k++) + { + if(int(WordIndex[i][k]) == int(search_ind)) + { + count += 1; + break; + } + } + } + count_index[i][0] = i+1; + count_index[i][1] = count; + count_index[i][2] = WordIndex_size[i]; + } + + sort(count_index.begin(), count_index.end(), count_based); + if(count_res == 0 || no_item_list_2<numRes) + numRes = no_item_list_2; + Index_Out = (double*)malloc(sizeof(double)*numRes); + Score = (double*)malloc(sizeof(double)*numRes); + for( int i=0; i<numRes; i++) + { + Index_Out[i] = count_index[i][0]; + Score[i] = double(count_index[i][1])/double(keypoints.size()); + } + + sciErr = createMatrixOfDouble(pvApiCtx, nbInputArgument(pvApiCtx) + 1, numRes, 1, Index_Out); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = createMatrixOfDouble(pvApiCtx, nbInputArgument(pvApiCtx) + 2, numRes, 1, Score); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, 4, &piAddr); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, piAddr, 1, keypoints.size(), 1, ImageWords[0]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, piAddr, 2, keypoints.size(), 2, ImageWords[1]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, piAddr, 3, 1, 1, ImageWords[2]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 3, piAddr, 4, 1, 1, ImageWords[3]); + if(sciErr.iErr) + { + printError(&sciErr, 0); + return 0; + } + + AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx)+1; + AssignOutputVariable(pvApiCtx, 2) = nbInputArgument(pvApiCtx)+2; + AssignOutputVariable(pvApiCtx, 3) = nbInputArgument(pvApiCtx)+3; + ReturnArguments(pvApiCtx); + return 0; + + } + +} |