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+/*////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+Created By: Riddhish Bhalodia
+Date: 30th September 2015
+
+Usage:
+
+imshowpair(Mat image1,Mat image2,String method,String scaling)
+
+1) image1 : Input image1
+2) image2 : Input image2
+3) method : Method for the type of display
+
+ | Method | Function |
+ | | |
+ | "montage" | Display Images side by side |
+ | "blend" | Display the blend of two Images alpha=0.5 |
+ | "diff" | Display the absolute difference between Images |
+ | "falsecolor" | Display image1 by green channel and image2 by red |
+
+4) scaling : The scaling of the images
+
+ | Scaling | Function |
+ | | |
+ | "none" | No scaling to the images |
+ | "joint" | Scale the joint images |
+ | "independent" | Scale the images independently before processing |
+
+
+
+*/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
+#include <numeric>
+#include "opencv2/core/core.hpp"
+#include "opencv2/highgui/highgui.hpp"
+#include "opencv2/opencv.hpp"
+#include <iostream>
+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"
+
+ int opencv_imshowpair(char *fname, unsigned long fname_len){
+
+ SciErr sciErr;
+ int intErr = 0;
+ int iRows=0,iCols=0;
+ int *piAddr = NULL;
+ int *piAddrNew = NULL;
+ int *piAddr2 = NULL;
+ int *piAddr3 = NULL;
+ int *piLen1 = NULL;
+ int *piLen2 = NULL;
+ char **method = NULL;
+ char **scaling = NULL;
+
+ Mat image1,image2;
+ //checking input argument
+ CheckInputArgument(pvApiCtx, 4, 4);
+ CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+ retrieveImage(image1, 1);
+ retrieveImage(image2, 2);
+
+ sciErr = getVarAddressFromPosition(pvApiCtx, 3, &piAddr2);
+ if (sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+ //Now, we will retrieve the string from the input parameter. For this, we will require 3 calls
+ //first call to retrieve dimensions
+ sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, NULL, NULL);
+ if(sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+ piLen1 = (int*)malloc(sizeof(int) * iRows * iCols);
+ //second call to retrieve length of each string
+ sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen1, NULL);
+ if(sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+
+ method = (char**)malloc(sizeof(char*) * iRows * iCols);
+ for(int i = 0 ; i < iRows * iCols ; i++)
+ method[i] = (char*)malloc(sizeof(char) * (piLen1[i] + 1));//+ 1 for null termination
+
+ //third call to retrieve data
+ sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen1, method);
+ if(sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+
+ // now the fourth argument which is aging a string
+
+ sciErr = getVarAddressFromPosition(pvApiCtx, 4, &piAddr3);
+ if (sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+ //Now, we will retrieve the string from the input parameter. For this, we will require 3 calls
+ //first call to retrieve dimensions
+ sciErr = getMatrixOfString(pvApiCtx, piAddr3, &iRows, &iCols, NULL, NULL);
+ if(sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+ piLen2 = (int*)malloc(sizeof(int) * iRows * iCols);
+ //second call to retrieve length of each string
+ sciErr = getMatrixOfString(pvApiCtx, piAddr3, &iRows, &iCols, piLen2, NULL);
+ if(sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+
+ scaling = (char**)malloc(sizeof(char*) * iRows * iCols);
+ for(int i = 0 ; i < iRows * iCols ; i++)
+ scaling[i] = (char*)malloc(sizeof(char) * (piLen2[i] + 1));//+ 1 for null termination
+
+ //third call to retrieve data
+ sciErr = getMatrixOfString(pvApiCtx, piAddr3, &iRows, &iCols, piLen2, scaling);
+ if(sciErr.iErr)
+ {
+ printError(&sciErr, 0);
+ return 0;
+ }
+ char x1[15] = "montage";
+ char x2[15] = "diff";
+ char x3[15] = "blend";
+ char x4[15] = "falsecolor";
+ char y1[15] = "joint";
+ char y2[15] = "independent";
+ char y3[15] = "none";
+ // Error check on method
+ if(!(strcmp(method[0],x1)==0 || strcmp(method[0],x2)==0 || strcmp(method[0],x3)==0 || strcmp(method[0],x4)==0 )){
+ sciprint("Method input not correct, choose from 'blend','diff','montage' or 'falsecolor' \n");
+ return 0;
+ }
+ // Error check on scaling
+
+ if(!(strcmp(scaling[0],y1)==0 || strcmp(scaling[0],y2)==0 || strcmp(scaling[0],y3)==0 )){
+ sciprint("Method input not correct, choose from 'none','diff','montage' or 'falsecolor' \n");
+ return 0;
+ }
+
+ int max_rows,max_cols;
+ Mat out;
+ max_rows = max(image1.rows,image2.rows);
+ max_cols = max(image1.cols,image2.cols);
+ if(image1.channels() == 1){ cvtColor(image1,image1,CV_BGR2GRAY);}
+ if(image2.channels() == 1){ cvtColor(image2,image2,CV_BGR2GRAY);}
+
+ vector<Mat> rgbChannels(3);
+ // for montage and no scaling plus joint scaling
+
+ if(strcmp(method[0],x1)==0 && ((strcmp(scaling[0],y1)==0)||(strcmp(scaling[0],y3)==0))) {
+ out = Mat::zeros(max_rows,2*max_cols,image1.type());
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image1.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image1.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image1.at<Vec3b>(i,j)[2];
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j + max_cols)[0] = image2.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j + max_cols)[1] = image2.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j + max_cols)[2] = image2.at<Vec3b>(i,j)[2];
+ }
+ }
+ }
+ // for montage and scaling independent
+ if(strcmp(method[0],x1)==0 && strcmp(scaling[0],y2)==0) {
+
+
+ split(image1, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image1);
+ split(image2, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image2);
+
+ out = Mat::zeros(max_rows,2*max_cols,image1.type());
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image1.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image1.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image1.at<Vec3b>(i,j)[2];
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j + max_cols)[0] = image2.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j + max_cols)[1] = image2.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j + max_cols)[2] = image2.at<Vec3b>(i,j)[2];
+ }
+ }
+ }
+
+ // for diff and no scaling plus joint scaling
+ if(strcmp(method[0],x2)==0 && ((strcmp(scaling[0],y1)==0)||(strcmp(scaling[0],y3)==0))) {
+
+ // cvtColor(image1,image1,CV_BGR2GRAY);
+ // cvtColor(image2,image2,CV_BGR2GRAY);
+ out = Mat::zeros(max_rows,max_cols,image1.type());
+
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[1] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j)[0] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[1] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+ }
+ for(int i=0;i<min(image1.rows,image2.rows);i++){
+ for(int j=0;j<min(image1.cols,image2.cols);j++){
+ out.at<Vec3b>(i,j)[0] = abs((image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2]) - (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2]))/3;
+ out.at<Vec3b>(i,j)[1] = abs((image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2]) - (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2]))/3;
+ out.at<Vec3b>(i,j)[2] = abs((image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2]) - (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2]))/3;
+ }
+ }
+ }
+ // for diff and independent scaling
+ if(strcmp(method[0],x2)==0 && strcmp(scaling[0],y2)==0) {
+
+
+ split(image1, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image1);
+ split(image2, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image2);
+
+ // cvtColor(image1,image1,CV_BGR2GRAY);
+ // cvtColor(image2,image2,CV_BGR2GRAY);
+ out = Mat::zeros(max_rows,max_cols,image1.type());
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image1.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image1.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image1.at<Vec3b>(i,j)[2];
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image2.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image2.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image2.at<Vec3b>(i,j)[2];
+ }
+ }
+ for(int i=0;i<min(image1.rows,image2.rows);i++){
+ for(int j=0;j<min(image1.cols,image2.cols);j++){
+ out.at<Vec3b>(i,j)[0] = abs(image1.at<Vec3b>(i,j)[0] - image2.at<Vec3b>(i,j)[0]);
+ out.at<Vec3b>(i,j)[1] = abs(image1.at<Vec3b>(i,j)[1] - image2.at<Vec3b>(i,j)[1]);
+ out.at<Vec3b>(i,j)[2] = abs(image1.at<Vec3b>(i,j)[2] - image2.at<Vec3b>(i,j)[2]);
+ }
+ }
+ }
+
+ // for blend and no scaling[0] plus joint scaling[0]
+ if(strcmp(method[0],x3)==0 && ((strcmp(scaling[0],y1)==0)||(strcmp(scaling[0],y3)==0))) {
+ out = Mat::zeros(max_rows,max_cols,image1.type());
+
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image1.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image1.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image1.at<Vec3b>(i,j)[2];
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image2.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image2.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image2.at<Vec3b>(i,j)[2];
+ }
+ }
+
+ for(int i=0;i<min(image1.rows,image2.rows);i++){
+ for(int j=0;j<min(image1.cols,image2.cols);j++){
+ out.at<Vec3b>(i,j)[0] = 0.5*(image1.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[0]);
+ out.at<Vec3b>(i,j)[1] = 0.5*(image1.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[1]);
+ out.at<Vec3b>(i,j)[2] = 0.5*(image1.at<Vec3b>(i,j)[2] + image2.at<Vec3b>(i,j)[2]);
+ }
+ }
+
+ }
+ // for blend and independent scaling[0]
+ if(strcmp(method[0],x3)==0 && strcmp(scaling[0],y2)==0) {
+ out = Mat::zeros(max_rows,max_cols,image1.type());
+
+ split(image1, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image1);
+ split(image2, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image2);
+
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image1.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image1.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image1.at<Vec3b>(i,j)[2];
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j)[0] = image2.at<Vec3b>(i,j)[0];
+ out.at<Vec3b>(i,j)[1] = image2.at<Vec3b>(i,j)[1];
+ out.at<Vec3b>(i,j)[2] = image2.at<Vec3b>(i,j)[2];
+ }
+ }
+
+ for(int i=0;i<min(image1.rows,image2.rows);i++){
+ for(int j=0;j<min(image1.cols,image2.cols);j++){
+ out.at<Vec3b>(i,j)[0] = 0.5*(image1.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[0]);
+ out.at<Vec3b>(i,j)[1] = 0.5*(image1.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[1]);
+ out.at<Vec3b>(i,j)[2] = 0.5*(image1.at<Vec3b>(i,j)[2] + image2.at<Vec3b>(i,j)[2]);
+ }
+ }
+
+ }
+
+ // for falsecolor and no scaling[0] plus joint scaling[0]
+ if(strcmp(method[0],x4)==0 && ((strcmp(scaling[0],y1)==0)||(strcmp(scaling[0],y3)==0))) {
+
+ out = Mat::zeros(max_rows,max_cols,image1.type());
+
+ // image 1 green image2 red
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = 0;
+ out.at<Vec3b>(i,j)[1] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = 0;
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j)[0] = 0;
+ out.at<Vec3b>(i,j)[1] = 0;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+ }
+ for(int i=0;i<min(image1.rows,image2.rows);i++){
+ for(int j=0;j<min(image1.cols,image2.cols);j++){
+ if(image1.at<Vec3b>(i,j) == image2.at<Vec3b>(i,j)){
+ out.at<Vec3b>(i,j)[0] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[1] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+ else{
+ out.at<Vec3b>(i,j)[0] = 0;
+ out.at<Vec3b>(i,j)[1] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+
+ }
+ }
+
+ }
+ // for falsecolor and independent scaling[0]
+ if(strcmp(method[0],x4)==0 && strcmp(scaling[0],y2)==0) {
+ out = Mat::zeros(max_rows,max_cols,image1.type());
+ //scale image 1 and image 2
+
+ split(image1, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image1);
+ split(image2, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,image2);
+ // image 1 green image2 red
+ for(int i=0;i<image1.rows;i++){
+ for(int j=0;j<image1.cols;j++){
+ out.at<Vec3b>(i,j)[0] = 0;
+ out.at<Vec3b>(i,j)[1] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = 0;
+ }
+ }
+ for(int i=0;i<image2.rows;i++){
+ for(int j=0;j<image2.cols;j++){
+ out.at<Vec3b>(i,j)[0] = 0;
+ out.at<Vec3b>(i,j)[1] = 0;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+ }
+ for(int i=0;i<min(image1.rows,image2.rows);i++){
+ for(int j=0;j<min(image1.cols,image2.cols);j++){
+ if(image1.at<Vec3b>(i,j) == image2.at<Vec3b>(i,j)){
+ out.at<Vec3b>(i,j)[0] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[1] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+ else{
+ out.at<Vec3b>(i,j)[0] = 0;
+ out.at<Vec3b>(i,j)[1] = (image1.at<Vec3b>(i,j)[0] + image1.at<Vec3b>(i,j)[1] + image1.at<Vec3b>(i,j)[2])/3;
+ out.at<Vec3b>(i,j)[2] = (image2.at<Vec3b>(i,j)[0] + image2.at<Vec3b>(i,j)[1] + image2.at<Vec3b>(i,j)[2])/3;
+ }
+
+ }
+ }
+
+ }
+
+ // for joint scaling[0]
+ if(strcmp(scaling[0],y3)==0){
+ split(out, rgbChannels);
+ normalize(rgbChannels[0],rgbChannels[0],0,255,CV_MINMAX);
+ normalize(rgbChannels[1],rgbChannels[1],0,255,CV_MINMAX);
+ normalize(rgbChannels[2],rgbChannels[2],0,255,CV_MINMAX);
+ merge(rgbChannels,out);
+ }
+
+ if(image1.channels()==1 && image2.channels()==1){
+ cvtColor(out,out,CV_BGR2GRAY);
+ }
+
+ // out is the return image
+ namedWindow("Output",CV_WINDOW_AUTOSIZE);
+ imshow("Output",out);
+ // waitKey(0);
+ string tempstring = type2str(out.type());
+ char *checker;
+ checker = (char *)malloc(tempstring.size() + 1);
+ memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+ returnImage(checker,out,1);
+ free(checker);
+ //Assigning the list as the Output Variable
+ AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
+
+ ReturnArguments(pvApiCtx);
+ return 0;
+ }
+} \ No newline at end of file
generated by cgit (git 2.34.1) at 2024-12-19 10:14:59 +0000