YOLOv3ãYOLOv3-Ultralytics ãYOLOv3u
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YOLOv3:ããã¯You Only Look Once (YOLO) ãªããžã§ã¯ãæ€åºã¢ã«ãŽãªãºã ã®3çªç®ã®ããŒãžã§ã³ã§ããå ã Joseph Redmonã«ãã£ãŠéçºãããYOLOv3ã¯ããã«ãã¹ã±ãŒã«äºæž¬ã3ã€ã®ç°ãªããµã€ãºã®æ€åºã«ãŒãã«ãªã©ã®æ©èœãå°å ¥ããããšã§ãåäœãæ¹è¯ããã
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YOLOv3-Ultralytics ïŒããã¯Ultralytics' YOLOv3ã¢ãã«ã®å®è£ ã§ããããªãªãžãã«ã®YOLOv3ã¢ãŒããã¯ãã£ãåçŸããããå€ãã®äºååŠç¿æžã¿ã¢ãã«ã®ãµããŒãããããç°¡åãªã«ã¹ã¿ãã€ãºãªãã·ã§ã³ãªã©ã®è¿œå æ©èœãæäŸããŸãã
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YOLOv3uïŒããã¯YOLOv3-Ultralytics ã®æŽæ°çã§ãYOLOv8 ã¢ãã«ã§äœ¿çšãããŠããã¢ã³ã«ãŒããªãŒããªããžã§ã¯ããã¹ããªãŒã®ã¹ããªããããããçµã¿èŸŒãã ãã®ã§ãããYOLOv3uã¯ãYOLOv3ãšåãããã¯ããŒã³ãšããã¯ã»ã¢ãŒããã¯ãã£ãç¶æããŠããããYOLOv8 ã
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YOLOv3ïŒ3ã€ã®ç°ãªããµã€ãºã®æ€åºã«ãŒãã«ã掻çšãã3ã€ã®ç°ãªãã¹ã±ãŒã«ã®æ€åºãå°å ¥ïŒ13x13ã26x26ã52x52ãããã«ãããç°ãªããµã€ãºã®ãªããžã§ã¯ãã®æ€åºç²ŸåºŠãå€§å¹ ã«åäžããŸãããããã«ãYOLOv3ã§ã¯ãåããŠã³ãã£ã³ã°ããã¯ã¹ã®ãã«ãã©ãã«äºæž¬ããããåªããç¹åŸŽæœåºãããã¯ãŒã¯ãªã©ã®æ©èœãè¿œå ãããŸããã
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YOLOv3-Ultralytics ïŒ UltralyticsYOLOv3ã®å®è£ ã¯ããªãªãžãã«ã®ã¢ãã«ãšåãæ§èœãæäŸããããããå€ãã®äºååŠç¿æžã¿ã¢ãã«ãè¿œå åŠç¿æ¹æ³ãããç°¡åãªã«ã¹ã¿ãã€ãºãªãã·ã§ã³ã®ãµããŒããè¿œå ãããŠãããããã«ãããå®çšçãªã¢ããªã±ãŒã·ã§ã³ã«ãããŠãããæ±çšçã§ãŠãŒã¶ãŒãã¬ã³ããªãŒãªãã®ãšãªã£ãŠããã
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YOLOv3 | ç©äœæ€åº | â | â | â | â |
YOLOv3Ultralytics | ç©äœæ€åº | â | â | â | â |
YOLOv3u | ç©äœæ€åº | â | â | â | â |
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PyTorch ãã
ããããã *.pt
ã¢ãã«ããã³æ§æ *.yaml
ãã¡ã€ã«ã«æž¡ãããšãã§ããã YOLO()
ã¯ã©ã¹ã䜿çšããŠãpython ã«ã¢ãã«ã®ã€ã³ã¹ã¿ã³ã¹ãäœæããŸãïŒ
from ultralytics import YOLO
# Load a COCO-pretrained YOLOv3n model
model = YOLO("yolov3n.pt")
# Display model information (optional)
model.info()
# Train the model on the COCO8 example dataset for 100 epochs
results = model.train(data="coco8.yaml", epochs=100, imgsz=640)
# Run inference with the YOLOv3n model on the 'bus.jpg' image
results = model("path/to/bus.jpg")
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