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  1 <!DOCTYPE html>
  2 <html xmlns="http://www.w3.org/1999/xhtml">
  3 <head>
  4     <title>手势识别代码分析</title>
  5     <script type="text/javascript">
  6         var arr = new Array("resizewindow", "init_hand_YCrCb", "init_hand_HSV", "init_laplace", "inti_threshold",
  7             "hand_HSV", "init_hand_template", reduce_noise, "hand_template_match", "hand_direction", hand_contours
  8             ,"hand_draw");
  9         var selfarr = new Array("resize","ihy","ihh","ill","ith","hh",iht,rn,htm,hd,hc,hdr,hdr2);
 10         //{ ‘1‘: "resizewindow", ‘2‘: "b", ‘3‘: };
 11         function here(variable,selfid) {
 12             
 13             for (var i = 0; i < arr.length; i++)
 14             {
 15                 var tem = arr[i];
 16                 document.getElementById(tem).style.display = "none";
 17             }
 18             for (var i = 0; i < selfarr.length; i++)
 19             {
 20                 var tem = selfarr[i];
 21                 document.getElementById(tem).style.color = "black";
 22             }
 23             document.getElementById(selfid).style.color = "red";
 24             var now = document.getElementById(variable);
 25             now.style.display = "";
 26         }
 27         
 28     </script>
 29 </head>
 30 <body style="background-color:lightblue">
 31     <div>
 32         <table align="left" >
 33             <tr><td>            int main()</td></tr>
 34             <tr><td>            {</td></tr>
 35             <tr><td>            int c = 0;</td></tr>
 36             <tr><td>            double scale = 0.5;</td></tr>
 37             <tr><td>            //打开摄像头</td></tr>
 38             <tr><td>            CvCapture* capture = cvCaptureFromCAM(0);</td></tr>
 39             <tr><td>            src = cvQueryFrame(capture);</td></tr>
 40             <tr><td>            //获得图像大小</td></tr>
 41             <tr><td>            sz = cvGetSize(src);</td></tr>
 42             <tr><td>            newSize.height = (int)(sz.height * scale);</td></tr>
 43             <tr><td>            newSize.width = (int)(sz.width * scale);</td></tr>
 44             <tr><td>            sz = newSize;</td></tr>
 45             <tr><td>            //建立所有窗体</td></tr>
 46             <tr><td onclick="here(‘resizewindow‘,‘resize‘)"id="resize">  resizeAllWindow();</td></tr>
 47             <tr><td>            tmp1 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
 48             <tr><td>            tmp2 = cvCreateImage(sz,IPL_DEPTH_8U,3);</td></tr>
 49             <tr><td>            tmp3 = cvCreateImage(sz,IPL_DEPTH_8U,3);</td></tr>
 50             <tr><td>            src2 = cvCreateImage(sz,IPL_DEPTH_8U,3);</td></tr>
 51             <tr><td>            smooth1 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
 52             <tr><td>            smooth2 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
 53             <tr><td>            smooth3 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
 54             <tr><td>            smooth4 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
 55             <tr><td>            smooth5 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
 56             <tr><td onclick="here(‘init_hand_YCrCb‘,‘ihy‘)"id="ihy">            init_hand_YCrCb();</td></tr>
 57             <tr><td onclick="here(‘init_hand_HSV‘,‘ihh‘)"id="ihh">            init_hand_HSV();</td></tr>
 58             <tr><td onclick="here(‘init_laplace‘,‘ill‘)"id="ill">            init_laplace();</td></tr>
 59             <tr><td onclick="here(‘inti_threshold‘,‘ith‘)"id="ith">            inti_threshold();</td></tr>
 60             <tr><td>            //载入匹配的模板</td></tr>
 61             <tr><td id="iht"onclick="here(‘init_hand_template‘,‘iht‘)">            init_hand_template();</td></tr>
 62             <tr><td>            src1 = cvCreateImage(sz,IPL_DEPTH_8U,3);</td></tr>
 63             <tr><td>            /////////////////////开始循环///////////////////////////////</td></tr>
 64             <tr><td>            while( c != 27)</td></tr>
 65             <tr><td>            {</td></tr>
 66             <tr><td>            //当前图像</td></tr>
 67             <tr><td>            src = cvQueryFrame(capture);</td></tr>
 68             <tr><td>            //缩小要处理的图像(减小运算量)</td></tr>
 69             <tr><td>            cvResize(src, src1, CV_INTER_LINEAR);</td></tr>
 70             <tr><td>            cvShowImage("src",src1);</td></tr>
 71             <tr><td>            cvPyrMeanShiftFiltering(src1, src2, pmsf_value, 40, 2);//均值漂移</td></tr>
 72             <tr><td>            //hsv色彩提取</td></tr>
 73             <tr><td onclick="here(‘hand_HSV‘,‘hh‘)"id="hh">            hand_HSV();</td></tr>
 74             <tr><td>            //降噪</td></tr>
 75             <tr><td id="rn"onclick="here(‘reduce_noise‘,‘rn‘)">            reduce_noise();</td></tr>
 76             <tr><td>            //寻找手轮廓</td></tr>
 77             <tr><td id="hc"onclick="here(‘hand_contours‘,‘hc‘)">            hand_contours(smooth1);</td></tr>
 78             <tr><td>            //寻找匹配</td></tr>
 79             <tr><td id="htm"onclick="here(‘hand_template_match‘,‘htm‘)">            hand_template_match(handT, seqMidObj);</td></tr>
 80             <tr><td>            //求手的移动方向</td></tr>
 81             <tr><td id="hd"onclick="here(‘hand_direction‘,‘hd‘)">            hand_direction(seqMidObj);</td></tr>
 82             <tr><td>            //绘制额外信息</td></tr>
 83             <tr><td>            cvZero( tmp2 );</td></tr>
 84             <tr><td onclick="here(‘hand_draw‘,‘hdr‘)"id="hdr">            hand_draw(tmp2, seqMidObj); //绘制在检测窗口</td></tr>
 85             <tr><td onclick="here(‘hand_draw‘,‘hdr2‘)" id="hdr2">            hand_draw(src1, seqMidObj); //绘制在原窗口</td></tr>
 86             <tr><td>            //cvShowImage( "扩张腐蚀", smooth1);</td></tr>
 87             <tr><td>            cvShowImage( "最终识别", tmp2 );</td></tr>
 88             <tr><td>            cvShowImage("src",src1);</td></tr>
 89             <tr><td>            printf("\n");</td></tr>
 90             <tr><td>            c = cvWaitKey( 10);</td></tr>
 91             <tr><td>            }</td></tr>
 92             <tr><td>            cvReleaseCapture( &capture);</td></tr>
 93             <tr><td>            cvDestroyAllWindows();</td></tr>
 94             <tr><td>            return 0;</td></tr>
 95             <tr><td>            }</td></tr>
 96 
 97         </table>
 98         <table id="hand_draw"style="display:none;top:100px;float:left">
 99             <tr><td>void hand_draw(IplImage* dst,CvSeq* hands )</td></tr>
100             <tr><td>{</td></tr>
101             <tr><td>    if(!hands) return;</td></tr>
102             <tr><td>    CvRect bound;</td></tr>
103             <tr><td>    //凸包</td></tr>
104             <tr><td>    int i, hullcount;</td></tr>
105             <tr><td>    CvPoint pt0;</td></tr>
106             <tr><td>    CvSeq* hull;</td></tr>
107             <tr><td>    CvSeq* handp = hands;</td></tr>
108             <tr><td>    //凸包缺陷</td></tr>
109             <tr><td>    CvConvexityDefect* defect;</td></tr>
110             <tr><td>    CvSeq* hullDefect;</td></tr>
111             <tr><td>    //CvSeq* hullDefectSelect;</td></tr>
112             <tr><td>    int hullDefectNum=0;</td></tr>
113             <tr><td>    //cvPoint** points = (cvPoint*)malloc(sizeof(cvPoint)*3);</td></tr>
114             <tr><td>    //cvPoint points[3];</td></tr>
115             <tr><td>    //绘制轮廓</td></tr>
116             <tr><td>    cvDrawContours( dst, handp, cvScalar(255,150,100,0),cvScalar(255,0,0,0),1, 1, 8,cvPoint(0,0));</td></tr>
117             <tr><td>    </td></tr>
118             <tr><td>    CvFont font;</td></tr>
119             <tr><td>    //绘制检测到的数字</td></tr>
120             <tr><td>    if(if_match_num){</td></tr>
121             <tr><td>        </td></tr>
122             <tr><td>        //外阴影</td></tr>
123             <tr><td>        cvInitFont(&font,CV_FONT_HERSHEY_SIMPLEX,1.0f,1.0f,0,5,8);</td></tr>
124             <tr><td>        cvPutText(dst, num_c[match_num-1], cvPoint(5, 30), &font, CV_RGB(255,255,255));        </td></tr>
125             <tr><td>        //内颜色</td></tr>
126             <tr><td>        cvInitFont(&font,CV_FONT_HERSHEY_SIMPLEX,1.0f,1.0f,0,2,8);</td></tr>
127             <tr><td>        cvPutText(dst, num_c[match_num-1], cvPoint(5, 30), &font, CV_RGB(255,0,0));</td></tr>
128             <tr><td>    }</td></tr>
129             <tr><td>    </td></tr>
130             <tr><td>    //绘制移动方向</td></tr>
131             <tr><td>    if(1){</td></tr>
132             <tr><td>        </td></tr>
133             <tr><td>        //cvInitFont(&font,CV_FONT_HERSHEY_SIMPLEX,1.0f,1.0f,0,2,8);</td></tr>
134             <tr><td>        //cvPutText(dst, "X: ", cvPoint(5, 30), &font, CV_RGB(255,0,0));</td></tr>
135             <tr><td>        </td></tr>
136             <tr><td>    }</td></tr>
137             <tr><td>    //对提取出的轮廓遍历</td></tr>
138             <tr><td>    for( ; handp != 0; handp = handp->h_next ){</td></tr>
139             <tr><td>        </td></tr>
140             <tr><td>        bound = cvBoundingRect(handp, 0);</td></tr>
141             <tr><td>        //求并绘制中心点</td></tr>
142             <tr><td>        //内颜色</td></tr>
143             <tr><td>        int det = 2;</td></tr>
144             <tr><td>        cvRectangle(dst, </td></tr>
145             <tr><td>            cvPoint(hand_center.x-det, hand_center.y-det),</td></tr>
146             <tr><td>            cvPoint(hand_center.x+det, hand_center.y+det), </td></tr>
147             <tr><td>            CV_RGB(0,0,0),3,8,0);</td></tr>
148             <tr><td>        //外轮廓</td></tr>
149             <tr><td>        det = 3;</td></tr>
150             <tr><td>        cvRectangle(dst, </td></tr>
151             <tr><td>            cvPoint(hand_center.x-det, hand_center.y-det),</td></tr>
152             <tr><td>            cvPoint(hand_center.x+det, hand_center.y+det), </td></tr>
153             <tr><td>            CV_RGB(255,255,255),1,8,0);</td></tr>
154             <tr><td>        //绘出外包络方框</td></tr>
155             <tr><td>        cvRectangle(dst, </td></tr>
156             <tr><td>            cvPoint(bound.x, bound.y),</td></tr>
157             <tr><td>            cvPoint(bound.x + bound.width, bound.y + bound.height), </td></tr>
158             <tr><td>            cvScalar(0,0,255,0),2,8,0);</td></tr>
159             <tr><td>        //寻找凸包</td></tr>
160             <tr><td>        hull = cvConvexHull2( handp, 0, CV_CLOCKWISE, 0 );</td></tr>
161             <tr><td>        hullcount = hull->total;</td></tr>
162             <tr><td>        //printf("凸包点数: %d  ",hullcount);</td></tr>
163             <tr><td>         pt0 = **CV_GET_SEQ_ELEM( CvPoint*, hull, hullcount - 1 );</td></tr>
164             <tr><td>        //画凸包</td></tr>
165             <tr><td>        for( i = 0; i < hullcount; i++ ){</td></tr>
166             <tr><td>            //得到凸包的点</td></tr>
167             <tr><td>            CvPoint pt = **CV_GET_SEQ_ELEM( CvPoint*, hull, i );</td></tr>
168             <tr><td>            cvLine( dst, pt0, pt, CV_RGB( 0, 255, 0 ), 1, CV_AA, 0 );</td></tr>
169             <tr><td>            pt0 = pt;</td></tr>
170             <tr><td>        }</td></tr>
171             <tr><td>    }</td></tr>
172             <tr><td>}</td></tr>
173 
174         </table>
175         <table id="hand_direction"style="display:none;float:left">
176             <tr><td>//求手的中点和移动方向</td></tr>
177             <tr><td><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
178                     <br /><br /><br /><br /><br />
179                     <br /><br /><br /><br /><br />
180                     <br /><br /><br /><br /><br />
181                 void hand_direction(CvSeq* hand){</td></tr>
182             <tr><td>    </td></tr>
183             <tr><td>    //如果没有手, 则清除结果</td></tr>
184             <tr><td>    if(!hand){</td></tr>
185             <tr><td>         hand_center  = cvPoint(0,0); </td></tr>
186             <tr><td>         hand_center_last = cvPoint(0,0);</td></tr>
187             <tr><td>         hand_direct_now = cvPoint(0,0);</td></tr>
188             <tr><td>         hand_direct_last = cvPoint(0,0);</td></tr>
189             <tr><td>         hand_direct = cvPoint(0,0); </td></tr>
190             <tr><td>        return;</td></tr>
191             <tr><td>    }</td></tr>
192             <tr><td>    </td></tr>
193             <tr><td>    hand_center_last = hand_center;</td></tr>
194             <tr><td>    //获得中心点</td></tr>
195             <tr><td>    CvRect bound = cvBoundingRect(hand, 0);</td></tr>
196             <tr><td>    hand_center.x = bound.x + bound.width/2;</td></tr>
197             <tr><td>    hand_center.y = bound.y + bound.height/2;</td></tr>
198             <tr><td>    if(hand_center_last.x!=0)</td></tr>
199             <tr><td>        {</td></tr>
200             <tr><td>        hand_direct_now.x = hand_center.x - hand_center_last.x;</td></tr>
201             <tr><td>        hand_direct_now.y = hand_center.y - hand_center_last.y;</td></tr>
202             <tr><td>        </td></tr>
203             <tr><td>        if(hand_direct_now.x!=0)</td></tr>
204             <tr><td>            {</td></tr>
205             <tr><td>            hand_direct.x = (hand_direct_now.x + hand_direct_last.x)/2;</td></tr>
206             <tr><td>            if(hand_direct.x!=0){</td></tr>
207             <tr><td>                printf("  X 移动: %d ",hand_direct.x);</td></tr>
208             <tr><td>            }</td></tr>
209             <tr><td>            </td></tr>
210             <tr><td>        }</td></tr>
211             <tr><td>        if(hand_direct_now.y!=0){</td></tr>
212             <tr><td>            hand_direct.y = (hand_direct_now.y + hand_direct_last.y)/2;</td></tr>
213             <tr><td>            if(hand_direct.y!=0){</td></tr>
214             <tr><td>                printf("  Y 移动: %d ",hand_direct.y);</td></tr>
215             <tr><td>            }</td></tr>
216             <tr><td>        }</td></tr>
217             <tr><td>    </td></tr>
218             <tr><td>    }</td></tr>
219             <tr><td>}</td></tr>
220 
221         </table>
222         <table id="hand_template_match"style="display:none;float:left">
223             <tr><td>//模板匹配手</td></tr>
224             <tr><td><br /><br /><br /><br /><br />
225                     <br /><br /><br /><br /><br />
226                     <br /><br /><br /><br /><br />
227                     <br /><br /><br /><br /><br />
228                     <br /><br /><br /><br /><br />
229                     <br /><br /><br /><br /><br />
230                     <br /><br /><br /><br /><br />
231                 void hand_template_match(CvSeq* handT, CvSeq* hand){</td></tr>
232             <tr><td>    int i=0;</td></tr>
233             <tr><td>    int kind = -1;</td></tr>
234             <tr><td>    double hu = 1;</td></tr>
235             <tr><td>    </td></tr>
236             <tr><td>    double hutmp;</td></tr>
237             <tr><td>    CvSeq* handp = handT;</td></tr>
238             <tr><td>    int method = CV_CONTOURS_MATCH_I1;</td></tr>
239             <tr><td>    </td></tr>
240             <tr><td>    match_num = 0;</td></tr>
241             <tr><td>    if(handT==NULL){return;printf("handT==NULL!\n");}</td></tr>
242             <tr><td>    if(hand==NULL){return;printf("hand==NULL!\n");}</td></tr>
243             <tr><td>    for(i=0; i&lt;handtnum; i++){</td></tr>
244             <tr><td>        hutmp = cvMatchShapes(handp, hand, method, 0);</td></tr>
245             <tr><td>        handp = handp->h_next;</td></tr>
246             <tr><td>        </td></tr>
247             <tr><td>        //找到hu矩最小的模板</td></tr>
248             <tr><td>        if(hu > hutmp){</td></tr>
249             <tr><td>            hu = hutmp;</td></tr>
250             <tr><td>            kind = i+1;</td></tr>
251             <tr><td>        }</td></tr>
252             <tr><td>        </td></tr>
253             <tr><td>        //printf("%f ", hu);</td></tr>
254             <tr><td>    }</td></tr>
255             <tr><td>    </td></tr>
256             <tr><td>    //显示匹配结果</td></tr>
257             <tr><td>    if(hu&lt;((double)hmatch_value) />100){</td></tr>
258             <tr><td>        printf("匹配模板: %d (%f)", kind, hu);</td></tr>
259             <tr><td>        match_num = kind;</td></tr>
260             <tr><td>        if_match_num = true;</td></tr>
261             <tr><td>    }else{</td></tr>
262             <tr><td>        if_match_num = false;</td></tr>
263             <tr><td>    }</td></tr>
264             <tr><td>}</td></tr>
265 
266         </table>
267         <table id="hand_contours"style="display:none;float:left">
268             <tr><td><br /><br /><br /><br /><br />
269                     <br /><br /><br /><br /><br />
270                     <br /><br /><br /><br /><br />
271                     <br /><br /><br /><br /><br />
272                     <br /><br /><br /><br /><br />
273                     <br /><br /><br /><br /><br />
274                     <br /><br /><br /><br /><br />
275                     <br /><br /><br /><br /><br />
276                     <br /><br /><br /><br /><br />
277                 void hand_contours(IplImage* dst) {</td></tr>
278             <tr><td>  if( g_storage==NULL ) {</td></tr>
279             <tr><td>    g_storage = cvCreateMemStorage(0);</td></tr>
280             <tr><td>    g_storage1 = cvCreateMemStorage(0);</td></tr>
281             <tr><td>    g_storage2 = cvCreateMemStorage(0);</td></tr>
282             <tr><td>  } else {</td></tr>
283             <tr><td>    cvClearMemStorage( g_storage );</td></tr>
284             <tr><td>    cvClearMemStorage( g_storage1 );</td></tr>
285             <tr><td>    cvClearMemStorage( g_storage2 );</td></tr>
286             <tr><td>  }</td></tr>
287 
288         </table>
289         <table id="reduce_noise"style="display:none;float:left;top:200px">
290             <tr><td><br /><br /><br /><br /><br />
291                     <br /><br /><br /><br /><br />
292                     <br /><br /><br /><br /><br />
293                     <br /><br /><br /><br /><br />
294                     <br /><br /><br /><br /><br />
295                     <br /><br /><br /><br /><br />
296                     <br /><br /><br /><br /><br />
297                     <br /><br /><br /><br /><br />void reduce_noise()</td></tr>
298             <tr><td>{</td></tr>
299             <tr><td>    cvSmooth(hsv_mask, smooth1, CV_GAUSSIAN, 3, 0, 0, 0);</td></tr>
300             <tr><td>    cvSmooth(hsv_mask, smooth1, CV_MEDIAN, 3, 0, 0, 0);</td></tr>
301             <tr><td>    cvSmooth(smooth1,smooth1,CV_MEDIAN,3,0,0,0);</td></tr>
302             <tr><td>    cvDilate(smooth1, smooth1, 0, 2);</td></tr>
303             <tr><td>    cvShowImage( "扩张腐蚀", smooth1);</td></tr>
304             <tr><td>}</td></tr>
305 
306         </table>
307         <table id="resizewindow" style="display:none;float:left" >
308             <tr><td>
309                     <br /><br /><br /><br /><br />
310                     <br /><br /><br /><br /><br />
311                     <br /><br />
312                 void resizeAllWindow()</td></tr>
313             <tr><td>{</td></tr>
314             <tr><td>    cvNamedWindow("src",0);</td></tr>
315             <tr><td>    cvNamedWindow( "扩张腐蚀",0);</td></tr>
316             <tr><td>    cvNamedWindow( "最终识别",0);</td></tr>
317             <tr><td>    cvResizeWindow("src",newSize.width,newSize.height);</td></tr>
318             <tr><td>    </td></tr>
319             <tr><td>    cvNamedWindow( "参数调试",0);</td></tr>
320             <tr><td>    cvResizeWindow("参数调试",newSize.width*1.5,60*11);</td></tr>
321             <tr><td>    cvCreateTrackbar( "均值漂移滤波", "参数调试", &pmsf_value, 20, 0 );</td></tr>
322             <tr><td>    cvCreateTrackbar( "开运算降噪", "参数调试", &MopEx_value, 5, 0 );</td></tr>
323             <tr><td>    cvCreateTrackbar( "色相红黄区", "参数调试", &H_low_max, 150, 0 );</td></tr>
324             <tr><td>    cvCreateTrackbar( "色相蓝紫区", "参数调试", &H_high_min, 150, 0 );</td></tr>
325             <tr><td>    cvCreateTrackbar( "亮度下限", "参数调试", &V_low, 100, 0 );</td></tr>
326             <tr><td>    cvCreateTrackbar( "亮度上限", "参数调试", &V_high, 256, 0 );</td></tr>
327             <tr><td>    </td></tr>
328             <tr><td>    cvCreateTrackbar( "饱和度下限", "参数调试", &S_low, 100, 0 );</td></tr>
329             <tr><td>    cvCreateTrackbar( "饱和度上限", "参数调试", &S_high, 255, 0 );</td></tr>
330             <tr><td>    cvCreateTrackbar( "高光补偿", "参数调试", &if_high_light, 1, 0 );</td></tr>
331             <tr><td>    cvCreateTrackbar( "match系数", "参数调试", &Hmatch_value, 50, 0 );</td></tr>
332             <tr><td>}</td></tr>
333 
334         </table>
335         <table id="init_laplace"style="display:none;float:left">
336             <tr><td><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
337                     <br /><br /><br /><br /><br />
338                     <br /><br /><br /><br /><br />
339                     <br /><br /><br /><br /><br />void init_laplace()</td></tr>
340             <tr><td>{</td></tr>
341             <tr><td>    int i;</td></tr>
342             <tr><td>    for( i = 0; i < 3; i++ )</td></tr>
343             <tr><td>        planes[i] = cvCreateImage(newSize, 8, 1 );</td></tr>
344             <tr><td>    laplace = cvCreateImage( newSize, IPL_DEPTH_16S, 1 );</td></tr>
345             <tr><td>    colorlaplace = cvCreateImage( newSize, 8, 3 );</td></tr>
346             <tr><td>}</td></tr>
347 
348         </table>
349         <table id="init_hand_YCrCb"style="display:none;float:left">
350             <tr><td><br /><br /><br /><br /><br />
351                     <br /><br /><br /><br /><br />
352                     <br /><br /><br /><br /><br />void init_hand_YCrCb()</td></tr>
353             <tr><td>{</td></tr>
354             <tr><td>    img_YCrCb = cvCreateImage(sz, 8, 3);</td></tr>
355             <tr><td>    YCrCb_mask = cvCreateImage(sz, IPL_DEPTH_8U, 1);;</td></tr>
356             <tr><td>    /*在人脸检测中也常常用到YCrCb空间,因为一般的图像都是基于RGB空间的,
357                         <br/>在RGB空间里人脸的肤色受亮度影响相当大,</td></tr>
358             <tr><td>    所以肤色点很难从非肤色点中分离出来,也就是说在此空间经过处理后,
359                 <br/>肤色点是离散的点,中间嵌有很多非肤色,</td></tr>
360             <tr><td>    这为肤色区域标定(人脸标定、眼睛等)带来了难题。
361                 <br/>如果把RGB转为YCrCb空间的话,可以忽略Y(亮度)的影响,</td></tr>
362             <tr><td>    因为该空间受亮度影响很小,肤色会产生很好的类聚。
363                 <br/>这样就把三维的空间将为二维的CrCb,肤色点会形成一定</td></tr>
364             <tr><td>    得形状,如:人脸的话会看到一个人脸的区域,
365                 <br/>手臂的话会看到一条手臂的形态,对处理模式识别很有好处,</td></tr>
366             <tr><td>    根据经验某点的CrCb值满足:133≤Cr≤173,77≤Cb≤127 
367                 <br/>那么该点被认为是肤色点,其他的就为非肤色点。*/</td></tr>
368             <tr><td>    //最终的图片</td></tr>
369             <tr><td>    YCrCb = cvCreateImage(sz, IPL_DEPTH_8U, 3);</td></tr>
370             <tr><td>    //三通道</td></tr>
371             <tr><td>    Y_channel = cvCreateImage(sz, IPL_DEPTH_8U, 1);</td></tr>
372             <tr><td>    Cr_channel = cvCreateImage(sz, IPL_DEPTH_8U, 1);</td></tr>
373             <tr><td>    Cb_channel = cvCreateImage(sz, IPL_DEPTH_8U, 1);</td></tr>
374             <tr><td>    //按范围截取后</td></tr>
375             <tr><td>    Y_cmp = cvCreateImage(sz, IPL_DEPTH_8U, 1);</td></tr>
376             <tr><td>    Cr_cmp = cvCreateImage(sz, IPL_DEPTH_8U, 1);</td></tr>
377             <tr><td>    Cb_cmp = cvCreateImage(sz, IPL_DEPTH_8U, 1);</td></tr>
378             <tr><td>    //Y,Cr,Cb的颜色范围</td></tr>
379             <tr><td>    Y_lower = CV_RGB(0, 0, 130);</td></tr>
380             <tr><td>    Y_upper = CV_RGB(0, 0, 130);</td></tr>
381             <tr><td>    Cr_lower = CV_RGB(0, 0, 125);</td></tr>
382             <tr><td>    Cr_upper = CV_RGB(0, 0, 125);</td></tr>
383             <tr><td>    Cb_lower = CV_RGB(0, 0, 132);</td></tr>
384             <tr><td>    Cb_upper = CV_RGB(0, 0, 147);</td></tr>
385             <tr><td>    YCrCb_lower = cvScalar(0, 0, 132, 0);</td></tr>
386             <tr><td>    YCrCb_upper = cvScalar(130, 125, 147, 0);</td></tr>
387             <tr><td>}</td></tr>
388         </table>
389         <table id="init_hand_HSV"style="display:none;float:left">
390             <tr><td>
391                     <br /><br /><br /><br /><br />
392                     <br /><br /><br /><br /><br />
393                     <br /><br /><br /><br /><br />
394                     <br /><br /><br /><br /><br />
395                 void init_hand_HSV()</td></tr>
396             <tr><td>{</td></tr>
397             <tr><td>    hsv_image = cvCreateImage( sz, 8, 3);</td></tr>
398             <tr><td>    hsv_mask = cvCreateImage( sz, 8, 1);</td></tr>
399             <tr><td>    hsv_min = cvScalar(0, 20, 20, 0);</td></tr>
400             <tr><td>    hsv_max = cvScalar(20, 250, 255, 0);</td></tr>
401             <tr><td>    //hsv_mask->origin = 1;</td></tr>
402             <tr><td>    //方法2: 单独处理各个通道</td></tr>
403             <tr><td>    H_img = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
404             <tr><td>    S_img = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
405             <tr><td>    V_img = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
406             <tr><td>    H_mask = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
407             <tr><td>    H_mask1 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
408             <tr><td>    S_mask = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
409             <tr><td>    S_mask1 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
410             <tr><td>    V_mask = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
411             <tr><td>    V_mask2 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
412             <tr><td>    V_mask1 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
413             <tr><td>    </td></tr>
414             <tr><td>}</td></tr>
415 
416         </table>
417         <table id="inti_threshold"style="display:none;float:left">
418             <tr><td><br/><br/><br/><br/><br/><br /><br /><br /><br /><br />
419                     <br /><br /><br /><br /><br />
420                     <br /><br /><br /><br /><br />
421                     <br /><br /><br /><br /><br />void inti_threshold()</td></tr>
422             <tr><td>{</td></tr>
423             <tr><td>    thd_src = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
424             <tr><td>    thd_dst1 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
425             <tr><td>    thd_dst2 = cvCreateImage(sz,IPL_DEPTH_8U,1);</td></tr>
426             <tr><td>}</td></tr>
427 
428         </table>
429         <table id="hand_HSV"style="display:none;float:left">
430             <tr><td><br /><br /><br /><br /><br />
431                     <br /><br /><br /><br /><br />
432                     <br /><br /><br /><br /><br />
433                     <br /><br /><br /><br /><br />
434                     <br /><br /><br /><br /><br />
435                 void hand_HSV()</td></tr>
436             <tr><td>{</td></tr>
437             <tr><td>        cvCvtColor(src2, hsv_image, CV_BGR2HSV);//均值漂移之后的结果</td></tr>
438             <tr><td>        //cvInRangeS (hsv_image, hsv_min, hsv_max, hsv_mask);</td></tr>
439             <tr><td>        //cvShowImage( "hsv_msk", hsv_mask);</td></tr>
440             <tr><td>        </td></tr>
441             <tr><td>        </td></tr>
442             <tr><td>        </td></tr>
443             <tr><td>        //方法2: 单独处理各个通道</td></tr>
444             <tr><td>        cvSplit(hsv_image,H_img,S_img,V_img,0);</td></tr>
445             <tr><td>        //color_blance();</td></tr>
446             <tr><td>        //cvMerge(H_img,S_img,V_img,0,hsv_image);</td></tr>
447             <tr><td>        //cvShowImage( "色彩平衡后", hsv_image);</td></tr>
448             <tr><td>        //cvShowImage( "H通道", H_img);</td></tr>
449             <tr><td>        </td></tr>
450             <tr><td>        </td></tr>
451             <tr><td>        //直方图均衡化(效果更差)</td></tr>
452             <tr><td>        //cvEqualizeHist(H_img, H_img);</td></tr>
453             <tr><td>        </td></tr>
454             <tr><td>        //cvShowImage( "H通道_均衡化", H_img);</td></tr>
455             <tr><td>        //自适应</td></tr>
456             <tr><td>        //cvAdaptiveThreshold(H_img, H_mask, 30, 0, 0, 3, 5);</td></tr>
457             <tr><td>        </td></tr>
458             <tr><td>        //cvShowImage( "H", H_img);</td></tr>
459             <tr><td>        //cvShowImage( "S", S_img);</td></tr>
460             <tr><td>        //cvShowImage( "V", V_img);</td></tr>
461             <tr><td>        //色相</td></tr>
462             <tr><td>        cvInRangeS(H_img,cvScalar(0,0,0,0),cvScalar(H_low_max,0,0,0),H_mask);//红色区</td></tr>
463             <tr><td>        cvInRangeS(H_img,cvScalar(256 - H_high_min,0,0,0),cvScalar(256,0,0,0),H_mask1);//紫色区</td></tr>
464             <tr><td>        //饱和度</td></tr>
465             <tr><td>        cvInRangeS(S_img,cvScalar(S_low,0,0,0),cvScalar(S_high,0,0,0),S_mask); //中间区</td></tr>
466             <tr><td>        //cvInRangeS(S_img,cvScalar(20,0,0,0),cvScalar(100,0,0,0),S_mask1); //低饱和度</td></tr>
467             <tr><td>        //亮度</td></tr>
468             <tr><td>        cvInRangeS(V_img,cvScalar(V_high,0,0,0),cvScalar(256,0,0,0),V_mask);//高亮区</td></tr>
469             <tr><td>        cvInRangeS(V_img,cvScalar(V_low,0,0,0),cvScalar(V_high,0,0,0),V_mask1); //中间区</td></tr>
470             <tr><td>        //cvInRangeS(V_img,cvScalar(150,0,0,0),cvScalar(250,0,0,0),V_mask2); //较亮区</td></tr>
471             <tr><td>        </td></tr>
472             <tr><td>        </td></tr>
473             <tr><td>        //红黄, 和蓝紫的混合</td></tr>
474             <tr><td>        cvOr(H_mask1, H_mask, H_mask, 0);</td></tr>
475             <tr><td>        //消除饱和度过低区域</td></tr>
476             <tr><td>        cvAnd(H_mask,S_mask,H_mask,0);</td></tr>
477             <tr><td>        //cvShowImage( "饱和度过滤", H_mask);</td></tr>
478             <tr><td>        //消去过亮过暗区域</td></tr>
479             <tr><td>        cvAnd(H_mask,V_mask1,H_mask,0);</td></tr>
480             <tr><td>        //cvShowImage( "亮度过滤", H_mask);</td></tr>
481             <tr><td>        //cvShowImage( "hsv_msk", H_mask);</td></tr>
482             <tr><td>        </td></tr>
483             <tr><td>        //补偿过亮区域</td></tr>
484             <tr><td>        if(if_high_light) cvOr(H_mask,V_mask,H_mask,0);</td></tr>
485             <tr><td>        //cvShowImage( "补偿高光", H_mask);</td></tr>
486             <tr><td>        //cvShowImage( "曝光过度 V", V_mask);</td></tr>
487             <tr><td>        //cvShowImage( "曝光补偿", S_mask);</td></tr>
488             <tr><td>        </td></tr>
489             <tr><td>        </td></tr>
490             <tr><td>        //是否补偿曝光过度</td></tr>
491             <tr><td>        hsv_mask = H_mask;</td></tr>
492             <tr><td>        //cvShowImage( "hsv_msk", H_mask);</td></tr>
493             <tr><td>        </td></tr>
494             <tr><td>}</td></tr>
495 
496         </table>
497         <table id="init_hand_template"style="display:none;float:left">
498             <tr><td><br /><br /><br /><br /><br />
499                     <br /><br /><br /><br /><br />
500                     <br /><br /><br /><br /><br />
501                     <br /><br /><br /><br /><br />
502                 void init_hand_template()</td></tr>
503             <tr><td>{</td></tr>
504             <tr><td>    storage_tmp = cvCreateMemStorage(0);</td></tr>
505             <tr><td>    int i = 0;</td></tr>
506             <tr><td>    for(i=0; i &lt;handtnum; i++)</td></tr>
507             <tr><td>        {</td></tr>
508             <tr><td>        tmp_img = cvLoadImage(tmp_names[i], CV_LOAD_IMAGE_GRAYSCALE);</td></tr>
509             <tr><td>        if(!tmp_img)</td></tr>
510             <tr><td>        {</td></tr>
511             <tr><td>            printf("未找到文件: %s\n", tmp_names[i]);</td></tr>
512             <tr><td>            continue;</td></tr>
513             <tr><td>        }</td></tr>
514             <tr><td>        //cvShowImage("载入模板", tmp_img);</td></tr>
515             <tr><td>        handT1 = handT2;</td></tr>
516             <tr><td>        cvFindContours( tmp_img, storage_tmp, &handT2, sizeof(CvContour), CV_RETR_EXTERNAL);</td></tr>
517             <tr><td>        if(handT2){</td></tr>
518             <tr><td>            printf("载入模板: %s 成功!\n",tmp_names[i]);</td></tr>
519             <tr><td>            if(handT1 == NULL){</td></tr>
520             <tr><td>                printf("载入第一个模板!\n");</td></tr>
521             <tr><td>                handT = handT2;</td></tr>
522             <tr><td>            }else{</td></tr>
523             <tr><td>                handT2->h_prev = handT1;</td></tr>
524             <tr><td>                handT1->h_next = handT2;</td></tr>
525             <tr><td>            }</td></tr>
526             <tr><td>            </td></tr>
527             <tr><td>        }</td></tr>
528             <tr><td>        </td></tr>
529             <tr><td>    }</td></tr>
530             <tr><td>}</td></tr>
531 
532         </table>
533 </div>
534 </body>
535 </html>

 

分析代码烦人,就做了个比较方便分析代码的网页

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原文地址:http://www.cnblogs.com/sytu/p/4156331.html

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