MergeMatrixData.m

function mergeMatrixData(mergeFolderName, mergeNum)
%% Merge data
% Merge Mat files that structure is [height, width, numPic, numClass]
% Input
%   destination path: Merge files output to this folder
%   merge path: The folder paths that includes merge data you want
% Output
%   Merged data: Merged data 
%                ex. one folder includes 240x240x500x4 data matrix
%                    another includes    240x320x800x4 data matrix
%                    output matrix is    240x320x1300x4

	while 1
		savePath = input('Input a destination path --> ','s');
		if ~isempty(savePath);  break;   end
	end
	for i = 1:mergeNum
		tmpFolderName = sprintf('%s%d', mergeFolderName, i);
		inputStr{i} = tmpFolderName;
		oneDir = dir(inputStr{i});
		mergeFileNames(:, i) = oneDir(4:end);
	end
	dataNum = size(mergeFileNames, 1);
	classNum = dataNum / 3;
	fprintf('start merge data\n');
	for i = 1:classNum
		fprintf('Loading splited data\n');
		for j = 1:mergeNum
			path1 = strcat(inputStr{j},'/', mergeFileNames((i-1)*3+2, j).name);
			path2 = strcat(inputStr{j},'/', mergeFileNames(i*3, j).name);
			
			tmpData1(j) = load(path1);
			tmpData2(j) = load(path2);
		end
		CDATA = cat(3, tmpData1(:).DATAC);
		grayData = cat(3, tmpData2(:).grayData);
		fprintf('Merged class %d data\n', i);
		depthPath = strcat(savePath, '/', mergeFileNames((i-1)*3+2, 1).name);
		grayPath = strcat(savePath, '/', mergeFileNames(i*3, 1).name);
		save(depthPath, 'CDATA');
		save(grayPath, 'grayData');
		fprintf('Saved class %d data\n', i);
	end

	[height, width, numSet] = size(grayData);
	numClass = classNum;
	
	for i = 1:numClass
		label{i, 1}=i;
	end


	%% Create cf.mat
	INFO = CvhInfo();
	% cf.DefCamH = height;
	% cf.DefCamW = width;
	% cf.DefNumClass = 0;
	% cf.DefNumTimes = 0;
	% cf.DefRegion = [1, 1, width, height];
	INFO.nSubj = 1;
	INFO.nClass = numClass;
	INFO.nSet = numSet;
	INFO.nW = width;
	INFO.nH = height;
	INFO.rc = [1, 1, width, height];
	INFO.isExtracted = [];
	INFO.isTrained = 0;
	INFO.LB = label;

	save(strcat(savePath, '/INFO.mat'), 'INFO');