6 /* current processing image related */
17 /* id indicating the piece # */
41 public int getRowsRS() {
42 return this.m_rows_rs;
45 public int getRowsRE() {
46 return this.m_rows_re;
49 public int getColsR() {
53 public float[] getResult() {
57 public int getRows() {
61 public int getCols() {
65 public float[] getImage() {
69 public void calcSobel_dY() {
70 int rows_k1, cols_k1, rows_k2, cols_k2;
71 int[] kernel_1, kernel_2;
73 int kernelSize, startCol, endCol, halfKernel, startRow, endRow;
74 int k, i, j, kernelSum_1, kernelSum_2;
75 float[] result, image;
76 int rows = this.m_rows;
77 int cols = this.m_cols;
79 // level 1 is the base image.
83 this.m_rows_rs = this.m_id * this.m_range;
84 this.m_rows_re = (this.m_id + 1) * this.m_range;
85 if(this.m_id == this.m_pnum - 1) {
86 this.m_rows_re = rows;
89 result=this.m_result=new float[(this.m_rows_re-this.m_rows_rs)*this.m_cols_r];
93 kernel_1 = new int[rows_k1 * cols_k1];
96 kernel_2 = new int[rows_k2 * cols_k2];
111 startCol = 1; //(kernelSize/2);
112 endCol = cols - 1; //(int)(cols - (kernelSize/2));
113 halfKernel = 1; //(kernelSize-1)/2;
115 if((this.m_rows_re < 1) || (this.m_rows_rs > rows - 1)) {
118 startRow = (1>this.m_rows_rs)?1:(this.m_rows_rs); //(kernelSize)/2;
119 endRow = ((rows-1)<this.m_rows_re)?(rows-1):(this.m_rows_re); //(rows - (kernelSize)/2);
121 int ii = startRow - this.m_rows_rs;
122 for(i=startRow; i<endRow; i++) {
123 for(j=startCol; j<endCol; j++) {
125 for(k=-halfKernel; k<=halfKernel; k++) {
126 temp += (float)(image[i * cols + (j+k)]
127 * (float)(kernel_2[k+halfKernel]));
129 result[ii * cols + j] = (float)(temp/kernelSum_2);