v1.0.6

README.md

@@ -10,6 +10,7 @@
 | 第3类 | [![bbmc](http://211.70.128.23/JWWEB/sys/ValidateCode.aspx)](http://211.70.128.23/JWWEB/sys/ValidateCode.aspx) | [蚌埠医学院教务网络管理系统](http://211.70.128.23/JWWEB) | 91 / 100 = **91%**，单：389 / 400 = 97% |
 | 第4类 | [![sdjtu](http://211.64.127.221/validateCodeAction.do?random=0.44780089727138211)](http://211.64.127.221/validateCodeAction.do?random=0.44780089727138211) | [山东交通学院综合教务系统](http://211.64.127.221) | 97 / 100 = **97%**，单：397 / 400 = 99% |
 | 第5类 | [![ncu](http://218.64.56.18/jsxsd/verifycode.servlet?t=0.7339572516226678)](http://218.64.56.18/jsxsd/verifycode.servlet?t=0.7339572516226678) | [南昌大学教学一体化服务平台](http://218.64.56.18/jsxsd) | 100 / 100 = **100%**，单：400 / 400 = 100% |
+| 第6类 | [![ahut](http://211.70.149.135:88/CheckCode.aspx)](http://211.70.149.135:88/CheckCode.aspx) | [安徽工业大学教务管理系统](http://211.70.149.135:88) | 100 / 100 = **100%**，单：400 / 400 = 100% |
 
 图形样本特征分析：
 * 第1类  
@@ -45,6 +46,12 @@
 :smile: 每个字符相对位置固定  
 :smile: 有干扰线，但可忽略
 ![graphicc5](art/ps_graphicc5.png)
+* 第6类  
+:smile: 字符数固定  
+:smile: 字符饱和度基本一致，阀值 `0.2`  
+:smile: 无字形变化，只含数字  
+:smile: 每个字符位置固定  
+![graphicc6](art/ps_graphicc6.png)
 
 
 ### 开始使用

src/com/by_syk/graphiccr/Test.java

@@ -23,11 +23,12 @@
 import com.by_syk.graphiccr.core.GraphicC3Translator;
 import com.by_syk.graphiccr.core.GraphicC4Translator;
 import com.by_syk.graphiccr.core.GraphicC5Translator;
+import com.by_syk.graphiccr.core.GraphicC6Translator;
 import com.by_syk.graphiccr.util.ExtraUtil;
 
 public class Test {
     public static void main(String[] args) {
-        testGraphicC5();
+        testGraphicC6();
     }
 
     private static void testGraphicC1() {
@@ -66,7 +67,7 @@ private static void testGraphicC2() {
 
         System.out.println("TRAIN DONE");
 
-        for (int i = 0; i < 80; ++i) {
+        for (int i = 0; i < 10; ++i) {
             ExtraUtil.downloadFile("http://61.139.105.138/CheckCode.aspx",
                     new File(testDir, System.currentTimeMillis() + ".gif"));
             System.out.println("DOWNLOAD TEST " + (i + 1));
@@ -171,4 +172,30 @@ private static void testGraphicC5() {
 
         System.out.println("TRANSLATE DONE");
     }
+
+    private static void testGraphicC6() {
+        File testDir = new File("E:/JavaProjects/GraphicCR/reserve/GraphicC/6/test");
+
+        for (int i = 0; i < 10; ++i) {
+            ExtraUtil.downloadFile("http://211.70.149.135:88/CheckCode.aspx",
+                    new File(testDir, System.currentTimeMillis() + ".gif"));
+            System.out.println("DOWNLOAD TEST " + (i + 1));
+            try {
+                Thread.sleep(1000);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            }
+        }
+
+        System.out.println("DOWNLOAD TEST DONE");
+
+        GraphicC6Translator translator = GraphicC6Translator.getInstance();
+        for (File file : testDir.listFiles()) {
+            String result = translator.translate(file);
+            file.renameTo(new File(file.getParentFile(), result + ".gif"));
+            System.out.println("TRANSLATE " + result);
+        }
+
+        System.out.println("TRANSLATE DONE");
+    }
 }

src/com/by_syk/graphiccr/core/GraphicC6Translator.java

@@ -0,0 +1,224 @@
+/**
+ * Copyright 2016 By_syk
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.by_syk.graphiccr.core;
+
+import java.awt.Color;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.imageio.ImageIO;
+
+import com.by_syk.graphiccr.util.ExtraUtil;
+
+/**
+ * 第6类图形验证码识别
+ * <br />针对截至 2016-12-07 为止安徽工业大学教务管理系统登录用的验证码
+ * <br />图形尺寸为 60*22
+ * 
+ * @author By_syk
+ */
+public class GraphicC6Translator {
+    private static GraphicC6Translator translator = null;
+
+    private Map<BufferedImage, Character> trainMap = null;
+
+    /**
+     * 元字符宽度
+     */
+    private static final int UNIT_W = 8;
+    /**
+     * 元字符高度
+     */
+    private static final int UNIT_H = 12;
+
+    /**
+     * 有效像素颜色值
+     */
+    private static final int TARGET_COLOR = Color.BLACK.getRGB();
+
+    /**
+     * 无效像素颜色值
+     */
+    private static final int USELESS_COLOR = Color.WHITE.getRGB();
+
+    private GraphicC6Translator() {}
+
+    public static GraphicC6Translator getInstance() {
+        if (translator == null) {
+            translator = new GraphicC6Translator();
+        }
+
+        return translator;
+    }
+
+    /**
+     * 目标像素判断
+     * <br />（基于饱和度）
+     * 
+     * @param colorInt
+     * @return
+     */
+    private boolean isTarget(int colorInt) {
+        Color color = new Color(colorInt);
+        float[] hsb = new float[3];
+        Color.RGBtoHSB(color.getRed(), color.getGreen(), color.getBlue(), hsb);
+        return hsb[1] > 0.2f; // 饱和度
+    }
+
+    /**
+     * 去噪
+     * 
+     * @param picFile 图形验证码文件
+     * @return
+     * @throws Exception
+     */
+    private BufferedImage denoise(File picFile) throws Exception {
+        BufferedImage img = ImageIO.read(picFile);
+        int width = img.getWidth();
+        int height = img.getHeight();
+        for (int x = 0; x < width; ++x) {
+            for (int y = 0; y < height; ++y) {
+                if (isTarget(img.getRGB(x, y))) {
+                    img.setRGB(x, y, TARGET_COLOR);
+                } else {
+                    img.setRGB(x, y, USELESS_COLOR);
+                }
+            }
+        }
+        return img;
+    }
+
+    /**
+     * 分割元字符
+     * 
+     * @param img
+     * @return
+     * @throws Exception
+     */
+    private List<BufferedImage> split(BufferedImage img) throws Exception {
+        List<BufferedImage> subImgs = new ArrayList<BufferedImage>();
+        subImgs.add(img.getSubimage(5, 5, UNIT_W, UNIT_H));
+        subImgs.add(img.getSubimage(14, 5, UNIT_W, UNIT_H));
+        subImgs.add(img.getSubimage(23, 5, UNIT_W, UNIT_H));
+        subImgs.add(img.getSubimage(32, 5, UNIT_W, UNIT_H));
+        subImgs.add(img.getSubimage(41, 5, UNIT_W, UNIT_H));
+        return subImgs;
+    }
+
+    /**
+     * 取出训练数据
+     * 
+     * @return
+     * @throws Exception
+     */
+    private Map<BufferedImage, Character> loadTrainData() throws Exception {
+        if (trainMap == null) {
+            trainMap = new HashMap<>();
+            String trainLog = ExtraUtil.readFile(this.getClass()
+                    .getResourceAsStream("/resources/img/6/6.txt"));
+            if (trainLog == null) {
+                return trainMap;
+            }
+            for (String name : trainLog.split("\n")) {
+                trainMap.put(ImageIO.read(this.getClass()
+                        .getResourceAsStream("/resources/img/6/" + name)), name.charAt(0));
+            }
+        }
+
+        return trainMap;
+    }
+
+    /**
+     * 训练
+     */
+    public void train() {
+        // 由于样本具有很强的规律性，已通过 PS 训练完成
+    }
+
+    /**
+     * 单元识别
+     * 
+     * @param img
+     * @param trainImgMap
+     * @return
+     */
+    private char recognize(BufferedImage img, Map<BufferedImage, Character> trainImgMap) {
+        char result = ' ';
+        int width = img.getWidth();
+        int height = img.getHeight();
+        int min = width * height; // 最小差异像素数
+        for (BufferedImage bi : trainImgMap.keySet()) {
+            int count = 0; // 差异像素数
+            for (int x = 0; x < width; ++x) {
+                for (int y = 0; y < height; ++y) {
+                    count += (img.getRGB(x, y) != bi.getRGB(x, y) ? 1 : 0);
+                    if (count >= min) {
+                        break;
+                    }
+                }
+            }
+            if (count < min) {
+                min = count;
+                result = trainImgMap.get(bi);
+            }
+        }
+        return result;
+    }
+
+    /**
+     * 识别
+     * 
+     * @param picFile 图形验证码文件
+     * @return
+     */
+    public String translate(File picFile) {
+        String result = "";
+        try {
+            BufferedImage img = denoise(picFile);
+            List<BufferedImage> listImg = split(img);
+            Map<BufferedImage, Character> map = loadTrainData();
+            for (BufferedImage bi : listImg) {
+                result += recognize(bi, map);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return result;
+    }
+
+//    public static void main(String[] args) {
+//        GraphicC6Translator translator = GraphicC6Translator.getInstance();
+//        File testDir = new File("E:/JavaProjects/GraphicCR/reserve/GraphicC/6/raw");
+//        for (File file : testDir.listFiles()) {
+//            if (file.getName().contains("-2")) {
+//                continue;
+//            }
+//            try {
+//                BufferedImage img = translator.denoise(file);
+//                ImageIO.write(img, "PNG", new File(file.getParentFile(),
+//                        file.getName().split("\\.")[0] + "-2.gif"));
+//            } catch (Exception e) {
+//                e.printStackTrace();
+//            }
+//        }
+//        System.out.println("DONE");
+//    }
+}

src/com/by_syk/graphiccr/core/GraphicCTranslator.java

@@ -56,6 +56,13 @@ public class GraphicCTranslator {
      */
     public static final int TYPE_5 = 5;
 
+    /**
+     * 第6类图形验证码识别
+     * <br />针对截至 2016-12-07 为止安徽工业大学教务管理系统登录用的验证码
+     * <br />图形尺寸为 60*22
+     */
+    public static final int TYPE_6 = 6;
+
     /**
      * 识别指定文件的图形验证码
      * 
@@ -75,6 +82,8 @@ public static String translate(File picFile, int type) {
             return GraphicC4Translator.getInstance().translate(picFile);
         case TYPE_5:
             return GraphicC5Translator.getInstance().translate(picFile);
+        case TYPE_6:
+            return GraphicC6Translator.getInstance().translate(picFile);
         }
         return "";
     }

src/resources/img/6/6.txt

@@ -0,0 +1,10 @@
+0.png
+1.png
+2.png
+3.png
+4.png
+5.png
+6.png
+7.png
+8.png
+9.png