2 * PROJECT: NyARToolkit
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3 * --------------------------------------------------------------------------------
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4 * This work is based on the original ARToolKit developed by
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7 * HITLab, University of Washington, Seattle
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8 * http://www.hitl.washington.edu/artoolkit/
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10 * The NyARToolkit is Java version ARToolkit class library.
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11 * Copyright (C)2008 R.Iizuka
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13 * This program is free software; you can redistribute it and/or
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14 * modify it under the terms of the GNU General Public License
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15 * as published by the Free Software Foundation; either version 2
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16 * of the License, or (at your option) any later version.
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18 * This program is distributed in the hope that it will be useful,
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19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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21 * GNU General Public License for more details.
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23 * You should have received a copy of the GNU General Public License
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24 * along with this framework; if not, write to the Free Software
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25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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27 * For further information please contact.
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28 * http://nyatla.jp/nyatoolkit/
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29 * <airmail(at)ebony.plala.or.jp>
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32 package jp.nyatla.nyartoolkit.core.labeling;
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34 import jp.nyatla.nyartoolkit.NyARException;
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35 import jp.nyatla.nyartoolkit.core.raster.*;
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36 import jp.nyatla.nyartoolkit.core.types.*;
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39 * ARToolKit互換のラベリングクラスです。 ARToolKitと同一な評価結果を返します。
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42 public class NyARLabeling_ARToolKit implements INyARLabeling
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44 private static final int WORK_SIZE = 1024 * 32;// #define WORK_SIZE 1024*32
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46 private final NyARWorkHolder work_holder = new NyARWorkHolder(WORK_SIZE);
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48 private NyARIntSize _dest_size;
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50 private INyARLabelingImage _out_image;
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52 public void attachDestination(INyARLabelingImage i_destination_image) throws NyARException
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55 NyARIntSize size = i_destination_image.getSize();
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56 this._out_image = i_destination_image;
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58 // NyLabelingImageのイメージ初期化(枠書き)
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59 int[] img = (int[]) i_destination_image.getBufferReader().getBuffer();
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60 int bottom_ptr = (size.h - 1) * size.w;
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61 for (int i = 0; i < size.w; i++) {
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63 img[bottom_ptr + i] = 0;
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65 for (int i = 0; i < size.h; i++) {
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66 img[i * size.w] = 0;
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67 img[(i + 1) * size.w - 1] = 0;
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71 this._dest_size = size;
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75 public INyARLabelingImage getAttachedDestination()
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77 return this._out_image;
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81 * static ARInt16 *labeling2( ARUint8 *image, int thresh,int *label_num, int **area, double **pos, int **clip,int **label_ref, int LorR ) 関数の代替品
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82 * ラスタimageをラベリングして、結果を保存します。 Optimize:STEP[1514->1493]
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85 * @throws NyARException
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87 public void labeling(NyARBinRaster i_raster) throws NyARException
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89 int label_img_ptr1, label_pixel;
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91 int n, k; /* work */
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94 NyARIntSize in_size = i_raster.getSize();
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95 this._dest_size.isEqualSize(in_size);
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97 final int lxsize = in_size.w;// lxsize = arUtil_c.arImXsize;
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98 final int lysize = in_size.h;// lysize = arUtil_c.arImYsize;
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99 final int[] label_img = (int[]) this._out_image.getBufferReader().getBuffer();
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101 // 枠作成はインスタンスを作った直後にやってしまう。
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103 // ラベリング情報のリセット(ラベリングインデックスを使用)
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104 this._out_image.reset(true);
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106 int[] label_idxtbl = this._out_image.getIndexArray();
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107 int[] raster_buf = (int[]) i_raster.getBufferReader().getBuffer();
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113 int[][] work2 = this.work_holder.work2;
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115 // [1,1](ptr0)と、[0,1](ptr1)のインデクス値を計算する。
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116 for (j = 1; j < lysize - 1; j++) {// for (int j = 1; j < lysize - 1;j++, pnt += poff*2, pnt2 += 2) {
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117 pixel_index = j * lxsize + 1;
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118 label_img_ptr1 = pixel_index - lxsize;// label_img_pt1 = label_img[j - 1];
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119 for (i = 1; i < lxsize - 1; i++, pixel_index++, label_img_ptr1++) {// for(int i = 1; i < lxsize-1;i++, pnt+=poff, pnt2++) {
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120 // RGBの合計値が閾値より小さいかな?
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121 if (raster_buf[pixel_index] != 0) {
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122 label_img[pixel_index] = 0;// label_img_pt0[i] = 0;// *pnt2 = 0;
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124 // pnt1 = ShortPointer.wrap(pnt2, -lxsize);//pnt1 =&(pnt2[-lxsize]);
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125 if (label_img[label_img_ptr1] > 0) {// if (label_img_pt1[i] > 0) {// if( *pnt1 > 0 ) {
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126 label_pixel = label_img[label_img_ptr1];// label_pixel = label_img_pt1[i];// *pnt2 = *pnt1;
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128 work2_pt = work2[label_pixel - 1];
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129 work2_pt[0]++;// work2[((*pnt2)-1)*7+0] ++;
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130 work2_pt[1] += i;// work2[((*pnt2)-1)*7+1] += i;
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131 work2_pt[2] += j;// work2[((*pnt2)-1)*7+2] += j;
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132 work2_pt[6] = j;// work2[((*pnt2)-1)*7+6] = j;
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133 } else if (label_img[label_img_ptr1 + 1] > 0) {// } else if (label_img_pt1[i + 1] > 0) {// }else if(*(pnt1+1) > 0 ) {
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134 if (label_img[label_img_ptr1 - 1] > 0) {// if (label_img_pt1[i - 1] > 0) {// if( *(pnt1-1) > 0 ) {
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135 label_pixel = label_idxtbl[label_img[label_img_ptr1 + 1] - 1];// m = label_idxtbl[label_img_pt1[i + 1] - 1];// m
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136 // =work[*(pnt1+1)-1];
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137 n = label_idxtbl[label_img[label_img_ptr1 - 1] - 1];// n = label_idxtbl[label_img_pt1[i - 1] - 1];// n =work[*(pnt1-1)-1];
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138 if (label_pixel > n) {
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139 // wk=IntPointer.wrap(work, 0);//wk = &(work[0]);
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140 for (k = 0; k < wk_max; k++) {
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141 if (label_idxtbl[k] == label_pixel) {// if( *wk == m )
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142 label_idxtbl[k] = n;// *wk = n;
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145 label_pixel = n;// *pnt2 = n;
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146 } else if (label_pixel < n) {
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147 // wk=IntPointer.wrap(work,0);//wk = &(work[0]);
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148 for (k = 0; k < wk_max; k++) {
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149 if (label_idxtbl[k] == n) {// if( *wk == n ){
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150 label_idxtbl[k] = label_pixel;// *wk = m;
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154 work2_pt = work2[label_pixel - 1];
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159 } else if ((label_img[pixel_index - 1]) > 0) {// } else if ((label_img_pt0[i - 1]) > 0) {// }else if(*(pnt2-1) > 0) {
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160 label_pixel = label_idxtbl[label_img[label_img_ptr1 + 1] - 1];// m = label_idxtbl[label_img_pt1[i + 1] - 1];// m =work[*(pnt1+1)-1];
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161 n = label_idxtbl[label_img[pixel_index - 1] - 1];// n = label_idxtbl[label_img_pt0[i - 1] - 1];// n =work[*(pnt2-1)-1];
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162 if (label_pixel > n) {
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163 for (k = 0; k < wk_max; k++) {
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164 if (label_idxtbl[k] == label_pixel) {// if( *wk == m ){
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165 label_idxtbl[k] = n;// *wk = n;
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168 label_pixel = n;// *pnt2 = n;
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169 } else if (label_pixel < n) {
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170 for (k = 0; k < wk_max; k++) {
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171 if (label_idxtbl[k] == n) {// if( *wk == n ){
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172 label_idxtbl[k] = label_pixel;// *wk = m;
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176 work2_pt = work2[label_pixel - 1];
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177 work2_pt[0]++;// work2[((*pnt2)-1)*7+0] ++;
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178 work2_pt[1] += i;// work2[((*pnt2)-1)*7+1] += i;
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179 work2_pt[2] += j;// work2[((*pnt2)-1)*7+2] += j;
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182 label_pixel = label_img[label_img_ptr1 + 1];// label_pixel = label_img_pt1[i + 1];// *pnt2 =
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185 work2_pt = work2[label_pixel - 1];
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186 work2_pt[0]++;// work2[((*pnt2)-1)*7+0] ++;
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187 work2_pt[1] += i;// work2[((*pnt2)-1)*7+1] += i;
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188 work2_pt[2] += j;// work2[((*pnt2)-1)*7+2] += j;
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189 if (work2_pt[3] > i) {// if(work2[((*pnt2)-1)*7+3] > i ){
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190 work2_pt[3] = i;// work2[((*pnt2)-1)*7+3] = i;
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192 work2_pt[6] = j;// work2[((*pnt2)-1)*7+6] = j;
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194 } else if ((label_img[label_img_ptr1 - 1]) > 0) {// } else if ((label_img_pt1[i - 1]) > 0) {// }else if(
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195 // *(pnt1-1) > 0 ) {
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196 label_pixel = label_img[label_img_ptr1 - 1];// label_pixel = label_img_pt1[i - 1];// *pnt2 =
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199 work2_pt = work2[label_pixel - 1];
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200 work2_pt[0]++;// work2[((*pnt2)-1)*7+0] ++;
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201 work2_pt[1] += i;// work2[((*pnt2)-1)*7+1] += i;
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202 work2_pt[2] += j;// work2[((*pnt2)-1)*7+2] += j;
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203 if (work2_pt[4] < i) {// if( work2[((*pnt2)-1)*7+4] <i ){
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204 work2_pt[4] = i;// work2[((*pnt2)-1)*7+4] = i;
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206 work2_pt[6] = j;// work2[((*pnt2)-1)*7+6] = j;
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207 } else if (label_img[pixel_index - 1] > 0) {// } else if (label_img_pt0[i - 1] > 0) {// }else if(*(pnt2-1) > 0) {
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208 label_pixel = label_img[pixel_index - 1];// label_pixel = label_img_pt0[i - 1];// *pnt2 =*(pnt2-1);
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210 work2_pt = work2[label_pixel - 1];
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211 work2_pt[0]++;// work2[((*pnt2)-1)*7+0] ++;
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212 work2_pt[1] += i;// work2[((*pnt2)-1)*7+1] += i;
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213 work2_pt[2] += j;// work2[((*pnt2)-1)*7+2] += j;
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214 if (work2_pt[4] < i) {// if( work2[((*pnt2)-1)*7+4] <i ){
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215 work2_pt[4] = i;// work2[((*pnt2)-1)*7+4] = i;
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219 this.work_holder.reserv(wk_max);
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221 label_idxtbl[wk_max - 1] = wk_max;
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222 label_pixel = wk_max;// work[wk_max-1] = *pnt2 = wk_max;
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223 work2_pt = work2[wk_max - 1];
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232 label_img[pixel_index] = label_pixel;// label_img_pt0[i] = label_pixel;
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237 // インデックステーブルとラベル数の計算
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238 int wlabel_num = 1;// *label_num = *wlabel_num = j - 1;
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240 for (i = 0; i < wk_max; i++) {// for(int i = 1; i <= wk_max; i++,wk++) {
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241 label_idxtbl[i] = (label_idxtbl[i] == i + 1) ? wlabel_num++ : label_idxtbl[label_idxtbl[i] - 1];// *wk=(*wk==i)?j++:work[(*wk)-1];
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243 wlabel_num -= 1;// *label_num = *wlabel_num = j - 1;
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244 if (wlabel_num == 0) {// if( *label_num == 0 ) {
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246 this._out_image.getLabelStack().clear();
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250 NyARLabelingLabelStack label_list = this._out_image.getLabelStack();
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253 label_list.reserv(wlabel_num);
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255 // エリアと重心、クリップ領域を計算
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256 NyARLabelingLabel label_pt;
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257 NyARLabelingLabel[] labels = (NyARLabelingLabel[]) label_list.getArray();
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258 for (i = 0; i < wlabel_num; i++) {
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259 label_pt = labels[i];
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260 label_pt.id = i + 1;
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262 label_pt.pos_x = label_pt.pos_y = 0;
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263 label_pt.clip_l = lxsize;// wclip[i*4+0] = lxsize;
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264 label_pt.clip_t = lysize;// wclip[i*4+2] = lysize;
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265 label_pt.clip_r = label_pt.clip_b = 0;// wclip[i*4+3] = 0;
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268 for (i = 0; i < wk_max; i++) {
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269 label_pt = labels[label_idxtbl[i] - 1];
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270 work2_pt = work2[i];
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271 label_pt.area += work2_pt[0];
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272 label_pt.pos_x += work2_pt[1];
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273 label_pt.pos_y += work2_pt[2];
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274 if (label_pt.clip_l > work2_pt[3]) {
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275 label_pt.clip_l = work2_pt[3];
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277 if (label_pt.clip_r < work2_pt[4]) {
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278 label_pt.clip_r = work2_pt[4];
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280 if (label_pt.clip_t > work2_pt[5]) {
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281 label_pt.clip_t = work2_pt[5];
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283 if (label_pt.clip_b < work2_pt[6]) {
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284 label_pt.clip_b = work2_pt[6];
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288 for (i = 0; i < wlabel_num; i++) {// for(int i = 0; i < *label_num; i++ ) {
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289 label_pt = labels[i];
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290 label_pt.pos_x /= label_pt.area;
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291 label_pt.pos_y /= label_pt.area;
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299 * NyARLabeling_O2のworkとwork2を可変長にするためのクラス
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303 final class NyARWorkHolder
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305 private final static int ARRAY_APPEND_STEP = 256;
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307 public final int[][] work2;
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309 private int allocate_size;
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312 * 最大i_holder_size個の動的割り当てバッファを準備する。
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314 * @param i_holder_size
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316 public NyARWorkHolder(int i_holder_size)
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318 // ポインタだけははじめに確保しておく
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319 this.work2 = new int[i_holder_size][];
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320 this.allocate_size = 0;
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324 * i_indexで指定した番号までのバッファを準備する。
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328 public final void reserv(int i_index) throws NyARException
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331 if (this.allocate_size > i_index) {
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335 if (i_index >= this.work2.length) {
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336 throw new NyARException();
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339 int range = i_index + ARRAY_APPEND_STEP;
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340 if (range >= this.work2.length) {
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341 range = this.work2.length;
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344 for (int i = this.allocate_size; i < range; i++) {
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345 this.work2[i] = new int[7];
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347 this.allocate_size = range;
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