First CommitHEADmaster

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;
+
+  }
+
+}