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| 1 | +package train; |
| 2 | + |
| 3 | +import java.awt.image.BufferedImage; |
| 4 | +import java.io.BufferedReader; |
| 5 | +import java.io.File; |
| 6 | +import java.io.FileNotFoundException; |
| 7 | +import java.io.FileReader; |
| 8 | +import java.io.FilenameFilter; |
| 9 | +import java.io.IOException; |
| 10 | +import java.io.PrintWriter; |
| 11 | +import java.util.ArrayList; |
| 12 | +import java.util.HashMap; |
| 13 | +import java.util.Iterator; |
| 14 | + |
| 15 | +import javax.imageio.ImageIO; |
| 16 | + |
| 17 | +import svmHelper.svm_predict; |
| 18 | +import svmHelper.svm_train; |
| 19 | + |
| 20 | + |
| 21 | +public class Predict { |
| 22 | + |
| 23 | + /** |
| 24 | + * 类标号map，如：a=>1 b=>2 |
| 25 | + */ |
| 26 | + private HashMap<String, Integer> labelMap = null; |
| 27 | + |
| 28 | + private HashMap<String, Integer[][]> imageMap = null; |
| 29 | + |
| 30 | + public Predict(){ |
| 31 | + init(); |
| 32 | + } |
| 33 | + |
| 34 | + private void init(){ |
| 35 | + labelMap = new HashMap<String, Integer>(); |
| 36 | + imageMap = new HashMap<String, Integer[][]>(); |
| 37 | + |
| 38 | + loadImageLabel(); |
| 39 | + loadImage(); |
| 40 | + } |
| 41 | + |
| 42 | + /** |
| 43 | + * 加载类标号 |
| 44 | + */ |
| 45 | + private void loadImageLabel(){ |
| 46 | + BufferedReader reader = null; |
| 47 | + try { |
| 48 | + reader = new BufferedReader(new FileReader(new File("svm/label.txt"))); |
| 49 | + String buff = null; |
| 50 | + while((buff = reader.readLine()) != null){ |
| 51 | + String[] arr = buff.split(" "); |
| 52 | + labelMap.put(arr[0], Integer.parseInt(arr[1])); |
| 53 | + } |
| 54 | + |
| 55 | + System.out.println("load image label finish!"); |
| 56 | + |
| 57 | + } catch (FileNotFoundException e) { |
| 58 | + e.printStackTrace(); |
| 59 | + } catch (IOException e) { |
| 60 | + e.printStackTrace(); |
| 61 | + } finally{ |
| 62 | + if (reader != null) { |
| 63 | + try { |
| 64 | + reader.close(); |
| 65 | + } catch (IOException e) { |
| 66 | + e.printStackTrace(); |
| 67 | + } |
| 68 | + } |
| 69 | + } |
| 70 | + } |
| 71 | + |
| 72 | + |
| 73 | + private void loadImage(){ |
| 74 | + File dir = new File("4_scale/"); |
| 75 | + //只列出jpg |
| 76 | + File[] files = dir.listFiles(new FilenameFilter() { |
| 77 | + |
| 78 | + public boolean isJpg(String file){ |
| 79 | + if (file.toLowerCase().endsWith(".jpg")){ |
| 80 | + return true; |
| 81 | + }else{ |
| 82 | + return false; |
| 83 | + } |
| 84 | + } |
| 85 | + |
| 86 | + @Override |
| 87 | + public boolean accept(File dir, String name) { |
| 88 | + // TODO Auto-generated method stub |
| 89 | + return isJpg(name); |
| 90 | + } |
| 91 | + }); |
| 92 | + |
| 93 | + for (File file : files) { |
| 94 | + try { |
| 95 | + transferToMap(file); |
| 96 | + } catch (Exception e) { |
| 97 | + e.printStackTrace(); |
| 98 | + } |
| 99 | + } |
| 100 | + |
| 101 | + System.out.println("load mage end"); |
| 102 | + |
| 103 | + } |
| 104 | + |
| 105 | + /** |
| 106 | + * 获得类标号 |
| 107 | + * @param className |
| 108 | + * @return |
| 109 | + */ |
| 110 | + private int getClassLabel(String className){ |
| 111 | + if(labelMap.containsKey(className)){ |
| 112 | + return labelMap.get(className); |
| 113 | + }else{ |
| 114 | + return -1; |
| 115 | + } |
| 116 | + } |
| 117 | + |
| 118 | + |
| 119 | + /** |
| 120 | + * 将image 转换到 map中 |
| 121 | + * @param file |
| 122 | + * @throws IOException |
| 123 | + */ |
| 124 | + private void transferToMap(File file) throws IOException{ |
| 125 | + BufferedImage image = ImageIO.read(file); |
| 126 | + int width = image.getWidth(); |
| 127 | + int height = image.getHeight(); |
| 128 | + Integer[][] imgArr = new Integer[height][width]; |
| 129 | + |
| 130 | + for (int y = 0; y < height; y++) { |
| 131 | + for (int x = 0; x < width; x++) { |
| 132 | + //黑色点标记为1 |
| 133 | + int value = ImageUtil.isBlack(image.getRGB(x, y)) ? 1 : 0; |
| 134 | + imgArr[y][x] = value; |
| 135 | + } |
| 136 | + } |
| 137 | + |
| 138 | + this.imageMap.put(file.getName(), imgArr); |
| 139 | + } |
| 140 | + |
| 141 | + /** |
| 142 | + * 转成svm 测试集的格式 |
| 143 | + */ |
| 144 | + public void svmFormat(){ |
| 145 | + |
| 146 | + PrintWriter writer = null; |
| 147 | + try { |
| 148 | + writer = new PrintWriter(new File("svm/svm.test")); |
| 149 | + Iterator<String> iterator = this.imageMap.keySet().iterator(); |
| 150 | + |
| 151 | + while (iterator.hasNext()) { |
| 152 | + String fileName = (String) iterator.next(); |
| 153 | + String className = ImageUtil.getImgClass(fileName); |
| 154 | + int classLabel = getClassLabel(className); |
| 155 | + |
| 156 | + String tmpLine = classLabel + " "; |
| 157 | + Integer[][] imageArr = this.imageMap.get(fileName); |
| 158 | + |
| 159 | + int index = 1; |
| 160 | + for (int i = 0; i < imageArr.length; i++) { |
| 161 | + for (int j = 0; j < imageArr[i].length; j++) { |
| 162 | + tmpLine += index + ":" + imageArr[i][j] + " "; |
| 163 | + index ++; |
| 164 | + } |
| 165 | + } |
| 166 | + writer.write(tmpLine + "\r\n"); |
| 167 | + writer.flush(); |
| 168 | +// System.out.println(tmpLine); |
| 169 | + } |
| 170 | + } catch (Exception e) { |
| 171 | + e.printStackTrace(); |
| 172 | + } finally{ |
| 173 | + if (writer != null) { |
| 174 | + writer.close(); |
| 175 | + } |
| 176 | + } |
| 177 | + |
| 178 | + } |
| 179 | + |
| 180 | + public static void run() throws IOException{ |
| 181 | + //predict参数 |
| 182 | + String[] parg = {"svm/svm.test","svm/svm.model","svm/result.txt"}; |
| 183 | + |
| 184 | + System.out.println("训练开始"); |
| 185 | + svm_predict.main(parg); |
| 186 | + System.out.println("训练结束"); |
| 187 | + } |
| 188 | + |
| 189 | + public static void main(String[] args){ |
| 190 | +// Predict model = new Predict(); |
| 191 | +// model.svmFormat(); |
| 192 | + try { |
| 193 | + run(); |
| 194 | + } catch (IOException e) { |
| 195 | + e.printStackTrace(); |
| 196 | + } |
| 197 | + } |
| 198 | + |
| 199 | +} |
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