Hand detection adn cropping

This commit is contained in:
Kamil Guttmann 2023-01-28 16:22:36 +01:00
parent d53afbe79d
commit 27839477d5
281 changed files with 41 additions and 1 deletions

38
crop_hand.py Normal file
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import os
from cvzone.HandTrackingModule import HandDetector
import cv2
def crop_hand(img, detector, offset=30):
hands, det_img = detector.findHands(img.copy())
if hands:
hand = hands[0]
x, y, w, h = hand['bbox']
img_crop = img[y - offset:y + h + offset, x - offset:x + w + offset]
return img_crop
return img
def main():
input_path = "test_data"
output_path = "test_data_cropped"
dir_list = os.listdir(input_path)
detector = HandDetector(maxHands=1)
for sign in dir_list:
if not os.path.exists(output_path + '/' + sign):
os.mkdir(output_path + '/' + sign)
for img_name in os.listdir(input_path + '/' + sign):
file_path = input_path + '/' + sign + '/' + img_name
output_file_path = output_path + '/' + sign + '/cropped_' + img_name
img = cv2.imread(file_path)
img_crop = crop_hand(img, detector)
try:
cv2.imwrite(output_file_path, img_crop)
except:
cv2.imwrite(output_file_path, img)
if __name__ == "__main__":
main()

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streamlit streamlit
pandas pandas
tensorflow tensorflow
numpy numpy
cvzone
mediapipe

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