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Docs updates: Add Explorer to tab, YOLOv5 in Guides and Usage in Quickstart (#7438)

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Signed-off-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
Co-authored-by: Haixuan Xavier Tao <tao.xavier@outlook.com>
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Ayush Chaurasia 2024-01-10 04:20:26 +05:30 • committed by GitHub
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24
docs/en/guides/object-cropping.md
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@ -24,50 +24,50 @@ Object cropping with [Ultralytics YOLOv8](https://github.com/ultralytics/ultraly
from ultralytics.utils.plotting import Annotator, colors
import cv2
import os
model = YOLO("yolov8n.pt")
names = model.names
cap = cv2.VideoCapture("path/to/video/file.mp4")
assert cap.isOpened(), "Error reading video file"
w, h, fps = (int(cap.get(x)) for x in (cv2.CAP_PROP_FRAME_WIDTH, cv2.CAP_PROP_FRAME_HEIGHT, cv2.CAP_PROP_FPS))
crop_dir_name = "ultralytics_crop"
if not os.path.exists(crop_dir_name):
os.mkdir(crop_dir_name)
# Video writer
video_writer = cv2.VideoWriter("object_cropping_output.avi",
cv2.VideoWriter_fourcc(*'mp4v'),
fps, (w, h))
idx = 0
while cap.isOpened():
success, im0 = cap.read()
if not success:
print("Video frame is empty or video processing has been successfully completed.")
break
results = model.predict(im0, show=False)
boxes = results[0].boxes.xyxy.cpu().tolist()
clss = results[0].boxes.cls.cpu().tolist()
annotator = Annotator(im0, line_width=2, example=names)
if boxes is not None:
for box, cls in zip(boxes, clss):
idx += 1
annotator.box_label(box, color=colors(int(cls), True), label=names[int(cls)])
crop_obj = im0[int(box[1]):int(box[3]), int(box[0]):int(box[2])]
cv2.imwrite(os.path.join(crop_dir_name, str(idx)+".png"), crop_obj)
cv2.imshow("ultralytics", im0)
video_writer.write(im0)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
video_writer.release()
cv2.destroyAllWindows()