2D图像到3D重建 shape (Shape Distance and Matching 形状距离与匹配) 仿射变换、基于Chi、EMD、EMD-L1、norm cost提取、形状距离、形状内容描述和匹配算法 stereo (Stereo Correspondance Algorithms 立体匹配算法) Quasi、BM、SGBM立体匹配、视差图去噪 structured_light(Structured Light API 结构光API) 灰度编码模式、...
因为在制作旋转模板的时候可能丢失有效区域 PaddingModelAndMask(model, mask, scale_range.end); // 初始化角度,尺度范围 angle_range_ = angle_range; scale_range_ = scale_range; // 生成所有的模板信息 vector<ShapeInfo> shape_infos = ProduceShapeInfos(angle_range, scale_range); vector<Mat> l0_md...
注:本文翻译自博客《Video Stabilization Using Point Feature Matching in OpenCV》。 视频稳定 视频稳定是指用于减少摄像机运动对最终视频影响的一系列方法。相机的运动可以是平移(即 x、y、z 方向上的运动)或旋转(偏航、俯仰、滚动)。 视频稳定的应用 对视频稳定性的需求涉及多个领域。它在消费者和专业摄像中极其...
# Add 35 to every pixel on the grayscale image (the result will look lighter) and calculate histogram M = np.ones(gray_image.shape, dtype="uint8") * 35 added_image = cv2.add(gray_image, M) hist_added_image = cv2.calcHist([added_image], [0], None, [256], [0, 256]) # Su...
if match1.distance<0.75*match2.distance: good.append([match1]) # 使用比值测试规则,只保留第一匹配距离小于第二匹配距离75%的匹配对,从而获得更高质量的匹配。 img3 = cv2.drawMatchesKnn(img1, kp1, img2, kp2, good, None, flags=2) # 在两幅图像上绘制匹配的关键点。参数flags=2用于删除没有在...
(points1),cv::Mat(points2), // matching points inliers, // match status (inlier or outlier) CV_FM_RANSAC, // RANSAC method distance, // distance to epipolar line confidence); // confidence probability // extract the surviving (inliers) matches std::vector<uchar>::const_iterator itIn=...
Template matching: opencv's matchTemplate The simplest solution is to find the most suitable target by panning the template in the target image Contour: HALCON Shape-based Matching, Canny I haven't used it, I can't write it, the halcon will cost money ...
and description.orb = cv2.ORB_create()kp0, des0 = orb.detectAndCompute(img0, None)kp1, des1 = orb.detectAndCompute(img1, None)# Perform brute-force matching.bf = cv2.BFMatcher(cv2.NORM_HAMMING, crossCheck=True)matches = bf.match(des0, des1)# Sort the matches by distance.matches ...
defdistance_to_camera(knownWidth, focalLength, perWidth):# compute and return the distance from the maker to the camerareturn(knownWidth * focalLength) / perWidth distance_to_camera 函数传入目标的实际宽度,计算得到的焦距和图片上目标的像素宽度,就可以通过相似三角...
distance_to_camera 函数传入目标的实际宽度,计算得到的焦距和图片上目标的像素宽度,就可以通过相似三角形公式计算目标到相机的距离了。 下面是调用 distance_to_camera 函数之前的准备: # initialize the known distance from the camera to the object, which ...