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calculateMinorMajor.py
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calculateMinorMajor.py
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import csv
import os
import cv2
import numpy as np
from calculate_surface import calculate_total_white_area_using_contours
DirPath = 'dir_path'
files = os.listdir(DirPath)
csv_filename = 'cav_filename'
with open(csv_filename, 'w', newline='') as csvfile:
csv_writer = csv.writer(csvfile)
csv_writer.writerow(['File Name', 'Major', 'Minor']) # Write header
for v, file in enumerate(files):
img_path = os.path.join(DirPath, file)
image = cv2.imread(img_path)
total_white_area, contour_image, contours = calculate_total_white_area_using_contours(img_path)
# Combine all points from all contours
all_points = np.concatenate(contours)
# Fit an ellipse that encloses all points
ellipse = cv2.fitEllipseDirect(all_points)
# Draw the fitted ellipse
cv2.ellipse(contour_image, ellipse, (0, 255, 0), 2)
# Extract major and minor axes lengths from the ellipse
minor_axis_length = min(ellipse[1])
major_axis_length = max(ellipse[1])
# Write results to CSV
csv_writer.writerow([file, major_axis_length, minor_axis_length])