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嗨,大家好,你可以給我關於OpenCV的建議嗎? 當我想打印出r看到rejectLevels它只打印出來的空數組。OpenCV Python detectMultiscale
#!/usr/bin/python
# -*- coding: utf-8 -*-
import os, sys, logging, time
import numpy as np
import cv2
import cv2.cv as cv
face_cacade = '../home/haarcascade_frontalface_default.xml'
xml = cv2.CascadeClassifier(face_cascade)
array_of_images = [] --> Some images
for image in array_of_images:
img = cv2.imread(image)
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
gray = cv2.equalizeHist(gray)
**r** = []
x = []
#cv2.CascadeClassifier.detectMultiScale(image, rejectLevels, levelWeights[, scaleFactor[, minNeighbors[, flags[, minSize[, maxSize[, outputRejectLevels]]]]]]) → objects
faces = xml.detectMultiScale(image = img, rejectLevels = **r**, levelWeights = x ,scaleFactor=1.05, minNeighbors=1, minSize=(30, 30), flags = cv.CV_HAAR_SCALE_IMAGE)
file_out = open('/tmp/faces_score.txt','w+',0)
for (x,y,w,h) in faces:
cv2.rectangle(img,(x,y),(x+w,y+h),(0,255,0),1)
roi_gray = gray[y:y+h, x:x+w]
roi_color = img[y:y+h, x:x+w]
print **r**, x
你能給我opencv的detectMultiScale一些解決方案和經驗,我看着C++的源代碼和它看起來罰款那裏,但在Python它不會工作,因爲它應該是。 OpenCV的版本:2.4.8 Python版本:2.7.6