改进这段代码，使其输出匹配点连线图并对图像进行拼接输出全景图：import cv2 # 读入需要配准的两张图像 img1 = cv2.imread('image1.jpg') img2 = cv2.imread('image2.jpg') # 将图像转换为灰度图像 gray1 = cv2.cvtColor(img1, cv2.COLOR_BGR2GRAY) gray2 = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY) # 使用 Shi-Tomasi 算法寻找关键点并计算特征描述子 sift = cv2.xfeatures2d.SIFT_create() kp1, des1 = sift.detectAndCompute(gray1, None) kp2, des2 = sift.detectAndCompute(gray2, None) # 使用 FLANN 匹配器进行特征匹配 FLANN_INDEX_KDTREE = 0 index_params = dict(algorithm=FLANN_INDEX_KDTREE, trees=5) search_params = dict(checks=50) flann = cv2.FlannBasedMatcher(index_params, search_params) matches = flann.knnMatch(des1, des2, k=2) # 选择好的匹配点 good = [] for m, n in matches: if m.distance < 0.7 * n.distance: good.append(m) # 获取匹配点对应的坐标 src_pts = np.float32([kp1[m.queryIdx].pt for m in good]).reshape(-1, 1, 2) dst_pts = np.float32([kp2[m.trainIdx].pt for m in good]).reshape(-1, 1, 2) # 使用 RANSAC 算法进行配准 M, mask = cv2.findHomography(src_pts, dst_pts, cv2.RANSAC, 5.0) # 对第一张图像进行变换并输出结果 result = cv2.warpPerspective(img1, M, (img1.shape[1], img1.shape[0])) cv2.imshow('result', result) cv2.waitKey(0) cv2.destroyAllWindows()

import cv2
import numpy as np

# 读入需要配准的两张图像
img1 = cv2.imread('image1.jpg')
img2 = cv2.imread('image2.jpg')

# 将图像转换为灰度图像
gray1 = cv2.cvtColor(img1, cv2.COLOR_BGR2GRAY)
gray2 = cv2.cvtColor(img2, cv2.COLOR_BGR2GRAY)

# 使用 Shi-Tomasi 算法寻找关键点并计算特征描述子
sift = cv2.xfeatures2d.SIFT_create()
kp1, des1 = sift.detectAndCompute(gray1, None)
kp2, des2 = sift.detectAndCompute(gray2, None)

# 使用 FLANN 匹配器进行特征匹配
FLANN_INDEX_KDTREE = 0
index_params = dict(algorithm=FLANN_INDEX_KDTREE, trees=5)
search_params = dict(checks=50)
flann = cv2.FlannBasedMatcher(index_params, search_params)
matches = flann.knnMatch(des1, des2, k=2)

# 选择好的匹配点
good = []
for m, n in matches:
if m.distance < 0.7 * n.distance:
good.append(m)

# 获取匹配点对应的坐标
src_pts = np.float32([kp1[m.queryIdx].pt for m in good]).reshape(-1, 1, 2)
dst_pts = np.float32([kp2[m.trainIdx].pt for m in good]).reshape(-1, 1, 2)

# 使用 RANSAC 算法进行配准
M, mask = cv2.findHomography(src_pts, dst_pts, cv2.RANSAC, 5.0)

# 对第一张图像进行变换并输出结果
result = cv2.warpPerspective(img1, M, (img1.shape[1] + img2.shape[1], img1.shape[0]))

# 将第二张图像拼接到全景图中
result[0:img2.shape[0], img1.shape[1]:img1.shape[1] + img2.shape[1]] = img2

# 输出全景图
cv2.imshow('result', result)
cv2.waitKey(0)
cv2.destroyAllWindows()