检查改进代码:import cv2 # 读取图像 img1 = cv2.imread('qiao1.jpg') img2 = cv2.imread('qiao2.jpg') # 转为灰度图像 gray1 = cv2.cvtColor(img1, cv2.COLOR_BGR2GRAY) gray2 = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY) # 使用Shi-Tomasi算法检测特征点 corners1 = cv2.goodFeaturesToTrack(gray1, 100, 0.01, 10) corners2 = cv2.goodFeaturesToTrack(gray2, 100, 0.01, 10) # 将特征点转为整数 corners1 = corners1.astype(int) corners2 = corners2.astype(int) # 进行暴力匹配 matcher = cv2.BFMatcher(cv2.NORM_L2, crossCheck=True) matches = matcher.match(gray1, gray2) # 根据距离排序 matches = sorted(matches, key=lambda x: x.distance) # 取前10个最佳匹配 matches = matches[:10] # 绘制匹配点连线图 matched_img = cv2.drawMatches(img1, corners1, img2, corners2, matches, None) cv2.imshow('Matched', matched_img) cv2.waitKey(0) # 进行图像拼接 src_pts = np.float32([corners1[m.queryIdx].flatten() for m in matches]).reshape(-1, 1, 2) dst_pts = np.float32([corners2[m.trainIdx].flatten() for m in matches]).reshape(-1, 1, 2) M, _ = cv2.findHomography(src_pts, dst_pts, cv2.RANSAC, 5.0) result = cv2.warpPerspective(img1, M, (img1.shape[1] + img2.shape[1], img1.shape[0])) result[0:img2.shape[0], 0:img2.shape[1]] = img2 cv2.imshow('Result', result) cv2.waitKey(0)
时间: 2023-07-15 15:12:06 浏览: 161
代码看起来不错,但是有一些可以改进的地方:
1. 在进行暴力匹配之前,需要将特征点转换为描述符。可以使用ORB、SIFT或SURF等算法来提取描述符。
2. 在进行图像拼接之前,可以先使用RANSAC算法进行特征点匹配,以排除错误的匹配点。
3. 在绘制匹配点连线图之前,可以使用cv2.drawKeypoints函数绘制特征点的位置和方向,以更好地观察匹配结果。
4. 在进行图像拼接之后,可以使用cv2.resize函数对结果进行缩放,以便更好地观察。
下面是改进后的代码:
import cv2
import numpy as np
# 读取图像
img1 = cv2.imread('qiao1.jpg')
img2 = cv2.imread('qiao2.jpg')
# 转为灰度图像
gray1 = cv2.cvtColor(img1, cv2.COLOR_BGR2GRAY)
gray2 = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY)
# 提取特征点和描述符
orb = cv2.ORB_create()
kp1, des1 = orb.detectAndCompute(gray1, None)
kp2, des2 = orb.detectAndCompute(gray2, None)
# 进行特征点匹配
matcher = cv2.BFMatcher(cv2.NORM_HAMMING, crossCheck=True)
matches = matcher.match(des1, des2)
# 使用RANSAC算法排除错误匹配点
src_pts = np.float32([kp1[m.queryIdx].pt for m in matches]).reshape(-1, 1, 2)
dst_pts = np.float32([kp2[m.trainIdx].pt for m in matches]).reshape(-1, 1, 2)
M, mask = cv2.findHomography(src_pts, dst_pts, cv2.RANSAC, 5.0)
# 绘制特征点位置和方向
img1_kp = cv2.drawKeypoints(img1, kp1, None)
img2_kp = cv2.drawKeypoints(img2, kp2, None)
cv2.imshow('Keypoints1', img1_kp)
cv2.imshow('Keypoints2', img2_kp)
# 绘制匹配点连线图
matches_img = cv2.drawMatches(img1, kp1, img2, kp2, matches, None, flags=cv2.DrawMatchesFlags_NOT_DRAW_SINGLE_POINTS)
cv2.imshow('Matches', matches_img)
# 进行图像拼接
result = cv2.warpPerspective(img1, M, (img1.shape[1] + img2.shape[1], img1.shape[0]))
result[0:img2.shape[0], 0:img2.shape[1]] = img2
# 缩放结果图像
result = cv2.resize(result, None, fx=0.5, fy=0.5)
cv2.imshow('Result', result)
cv2.waitKey(0)
cv2.destroyAllWindows()
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