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Demonstrate the running of the following python code: import cv 2 import numpy as np from scipy.spatial.distance import cdist from skimage.transform import ProjectiveTransform, warp import

Demonstrate the running of the following python code:
import cv2
import numpy as np
from scipy.spatial.distance import cdist
from skimage.transform import ProjectiveTransform, warp
import kornia.feature
import kornia.geometry.transform
image1= cv2.imread('path_to_your_first_image.jpg')
image2= cv2.imread('path_to_your_second_image.jpg')
gray1= cv2.cvtColor(image1, cv2.COLOR_BGR2GRAY)
gray2= cv2.cvtColor(image2, cv2.COLOR_BGR2GRAY)
sift = cv2.SIFT_create()
keypoints1, descriptors1= sift.detectAndCompute(gray1, None)
keypoints2, descriptors2= sift.detectAndCompute(gray2, None)
distances = cdist(descriptors1, descriptors2, 'sqeuclidean')
threshold =0.5
matches =[]
# Iterate through distance matrix to select matches below the threshold
for i, row in enumerate(distances):
for j, distance in enumerate(row):
if distance < threshold:
matches.append((i, j))
import numpy as np
import cv2
def estimate_affine_transform(matched_points1, matched_points2):
"""
Estimate an affine transformation using a set of matched points.
"""
# Using cv2.getAffineTransform requires exactly 3 points.
# The points need to be reshaped as (3,2).
if matched_points1.shape[0]!=3 or matched_points2.shape[0]!=3:
raise ValueError("Exactly 3 points are required")
transform = cv2.getAffineTransform(np.float32(matched_points1), np.float32(matched_points2))
return transform
def ransac(keypoints1, keypoints2, matches, num_iterations=1000, distance_threshold=3.0):
"""
Perform RANSAC to find the best affine transformation.
:param keypoints1: Keypoints from the first image.
:param keypoints2: Keypoints from the second image.
:param matches: Matched pairs of keypoints indices.
:param num_iterations: Number of RANSAC iterations.
:param distance_threshold: Threshold to consider a point as an inlier.
:return: The best affine transformation and the mask of inliers.
"""
max_inliers =[]
best_transform = None
for _ in range(num_iterations):
# Randomly select 3 matches
sampled_matches = np.random.choice(matches,3, replace=False)
# Extract the matched keypoints' coordinates
pts1= np.float32([keypoints1[m[0]].pt for m in sampled_matches])
pts2= np.float32([keypoints2[m[1]].pt for m in sampled_matches])
# Estimate affine transform from 3 pairs of matched points
M = estimate_affine_transform(pts1, pts2)
# Transform all keypoints from the first image to the second image's coordinate system
pts1_transformed = cv2.transform(np.array([keypoints1[m[0]].pt for m in matches]).reshape(-1,1,2), M)
# Calculate distances between actual and transformed points
distances = np.sqrt(np.sum((pts1_transformed - np.array([keypoints2[m[1]].pt for m in matches]).reshape(-1,1,2))**2, axis=2)).flatten()
# Determine inliers (where distance is below threshold)
inliers = distances < distance_threshold
# Update best transformation if current one has more inliers
if sum(inliers)> len(max_inliers):
max_inliers = inliers
best_transform = M
return best_transform, max_inliers
mosaic[:height1, :width1]= image1
mosaic[:height2, :width2]= np.maximum(mosaic[:height2, :width2], warped_image)
# Display the color mosaic result
cv2.imshow('Mosaic', mosaic)
Make whatever changes needed (preferably minor) to run it and show said changes in the code.

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