img_gradient = cv2.convertScaleAbs(img_gradient)# sobel算子,计算梯度, 也可以用canny算子替代# 这里改进成自适应阈值,貌似没用img_thresh = cv2.adaptiveThreshold(img_gradient,255, cv2.ADAPTIVE_THRESH_MEAN_C, cv2.THRESH_BINARY,3,-3)# cv2.imwrite(os.path.join(save_path, img_name + '_binary.jp...
adaptiveMethod: 自适应阈值处理的方法,常用cv2.ADAPTIVE_THRESH_MEAN_C和cv2.ADAPTIVE_THRESH_GAUSSIAN_C两种。分别表示计算像素邻域内均值或者高斯加权均值。 thresholdType: 二值化处理的类型,常用cv2.THRESH_BINARY和cv2.THRESH_BINARY_INV两种。分别表示二值化或反转二值化。
1) improved Niblack adaptive thresh-olding 改进的Niblack二值化2) Niblack adaptive thresholding Niblack二值化 1. This paper adopts Shannon interpolation method and Niblack adaptive thresholding method to enhance the text from digital video. 针对视频文本图像,采用Shannon插值算法以及Niblack二值化算法进行...
Tumor volume delineation in head and neck cancer with 18-fluor-fluorodeoxiglucose positron emission tomography: Adaptive thresholding method applied to primary tumors and metastatic lymph nodes. Clin Transl Oncol 2013;15: 283-93.Perez鄄Romasanta LA,Bellon鄄Guardia M,Torres鄄Donaire J,et al.Tu鄄 ...
intthreshold_type=CV_THRESH_BINARY, int block_size=3, double param1=5 ); 参数: src-输入图像. dst-输出图像. max_value-使用 CV_THRESH_BINARY 和CV_THRESH_BINARY_INV 的最大值. adaptive_method-自适应阈值算法使用:CV_ADAPTIVE_THRESH_MEAN_C 或 CV_ADAPTIVE_THRESH_GAUSSIAN_C . ...
在下文中一共展示了cv2.CALIB_CB_ADAPTIVE_THRESH属性的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。 示例1: find_chessboard ▲点赞 5▼ # 需要导入模块: import cv2 [as 别名]# 或者: from cv2 importCALIB_CB_ADAP...
CALIB_CB_ADAPTIVE_THRESH+cv2.CALIB_CB_FAST_CHECK+cv2.CALIB_CB_NORMALIZE_IMAGE) if ret == True: objpoints.append(objp) cv2.cornerSubPix(gray,corners,(3,3),(-1,-1),subpix_criteria) imgpoints.append(corners) N_OK = len(objpoints) K = np.zeros((3, 3)) D = np.zeros((4, 1)...
METHOD FOR RECEIVER OF MOBILE STATION FOR ACQUIRING BASE STATION AND SEQUENTIAL RETRIEVAL RECEIVER CONDUCTING ADAPTIVE THRESHOLD LEVEL BIASINGPROBLEM TO BE SOLVED: To decide an unknown spread code in an environment where the S/N ratio of a received signal is subject to change. ;SOLUTION: In a ...
Digital image acquisitionInscription imageContrast stretchingFuzzy adaptive thresholdingIterative bilateral filterCharacter extractionSoft computing is an emerging technology, which is more powerful with fuzzy logic by choosing the degree of membership function. This work is an effort to extract the foreground...
METHOD FOR RECEIVER OF MOBILE STATION FOR ACQUIRING BASE STATION AND SEQUENTIAL RETRIEVAL RECEIVER CONDUCTING ADAPTIVE THRESHOLD LEVEL BIASINGPROBLEM TO BE SOLVED: To decide an unknown spread code in an environment where the S/N ratio of a received signal is subject to change.SOMAYAZULU SRINIVASA V...