如何识别确定图片中人头数量 - 编程论坛

各位大侠，我在网上找到一点行者的关于识别照片中人头数量的部分代码，但因我功力不够，现请各位大侠帮忙，补全行者代码中缺少的部分，以便确定照片中人头个数，谢谢！

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行者的部分代码：
img  = cvimread('faa.jpg',1)
gray = mat_CJian()
cvtColor(img,gray,0)

ImgData = Mat_data(gray)
Imgheight = Mat_rows(gray)
Imgwidth = Mat_cols(gray)
imgWidthStep = imgwidth

t1 = seconds()

Faceret = facedetect_multiview(ImgData,Imgwidth,Imgheight,Imgwidth,ImgWidthStep)

FaceMum = CTOBIN(SYS(2600,faceRet,4),'4rs')
? '人脸数量：' + STR(faceMum)

t2 = SECONDS()
? '检测耗时：' + STR(t2-t1,6,4)

IF faceMum > 0
   FOR i = 0 TO faceMum-1
       faceX = CTOBIN(SYS(2600,faceRet+4+12*i,2),'2rs')
       faceY = CTOBIN(SYS(2600,faceRet+6+12*i,2),'2rs')
       faceV = CTOBIN(SYS(2600,faceRet+8+12*i,2),'2rs')
       faceH = CTOBIN(SYS(2600,faceRet+10+12*i,2),'2rs')
       neighbors = CTOBIN(SYS(2600,faceRet+12+12*i,2),'2rs')
       angle = CTOBIN(SYS(2600,faceRet+14+12*i,2),'2rs')
       cvRectangle(img,cvRect(faceX,faceY,faceV,faceH),cvScalar(0,0xff,0,0),1,8)
   ENDFOR
ENDIF

cvimghow('123',img)