API最原始的Bert Model，输出raw hidden-states。是PyTorch torch.nn.Module sub-class.class transformers.BertModel参数描述config (BertConfig)配置对象，初始化配置，并不会载入权重。forward(input_ids=None, attention_mask=None, token_type_i

approxCurve=cv.approxPolyDP(curve, epsilon, closed[, approxCurve])参数描述approxCurve返回值，近似的周长curve轮廓向量epsilon近似度closed是否闭合参考文献：https://docs.opencv.org/master/d3/dc0/group__im...

retval=cv.matchShapes(contour1, contour2, method, parameter)参数描述retval返回值，相似度的度量contour1第一个轮廓contour2第二个轮廓method比较的方法parameter方法相应的参数参考文献：https://docs.opencv.org/...

Homography是一个3*3的变换矩阵，将一张图中的点映射到另一张图中对应的点findHomography(srcPoints, dstPoints, method=None, ransacReprojThreshold=None, mask=None, maxIters=None, confidence=None):findHomography(srcPoints, dstPoints[..

调整图片大小dst=cv.resize(src, dsize[, dst[, fx[, fy[, interpolation]]]])参数描述dst输出图片src原图片dsize输出图片的大小fxfyinterpolation参考文献：https://docs.opencv.org/3.4.3/da/d54/gro...

主要还是边缘检测import numpy as npimport cv2 as cvfrom matplotlib import pyplot as pltimg = cv.imread('dave.jpg',0)laplacian = cv.Laplacian(img,cv.CV_64F)sobelx = cv.Sobel(img,cv.CV_64F,1,0,ksize=5)sob...

官方解释：minAreaRect(points) -> retval.@brief Finds a rotated rectangle of the minimum area enclosing the input 2D point set...The function calculates and returns the minimum-ar

如果像素值大于一个阈值将它赋予一个值，如果小于一个值就给他赋予一个值。import cv2 as cvimport numpy as npfrom matplotlib import pyplot as pltimg = cv.imread('gradient.png',0)ret,thresh1 = cv.threshold(img,127,255,cv.THRESH_BINARY)...

1.距cv.moments()import numpy as npimport cv2 as cvimg = cv.imread('star.jpg',0)ret,thresh = cv.threshold(img,127,255,0)im2,contours,hierarchy = cv.findContours(thresh, 1, 2)cnt = contours[0]M =...

方法描述cv.VideoCapture()初始化摄像头，0开启第一个摄像头，1开启第2个摄像头，返回摄像头对象，一般会自动打开摄像头cap.read()读取摄像头帧，返回值1表示是否成功读取帧，返回值2表示该帧cv.cvtColor(frame,mode)转换图片的色彩空间cap.release()关闭摄像头cap.isOpened()检查摄像...