विश्लेषिकी का उपयोग कर Ultralytics YOLOv8 📊

import cv2

from ultralytics import YOLO, solutions

model = YOLO("yolov8s.pt")

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))

out = cv2.VideoWriter("line_plot.avi", cv2.VideoWriter_fourcc(*"MJPG"), fps, (w, h))

analytics = solutions.Analytics(
    type="line",
    writer=out,
    im0_shape=(w, h),
    view_img=True,
)
total_counts = 0
frame_count = 0

while cap.isOpened():
    success, frame = cap.read()

    if success:
        frame_count += 1
        results = model.track(frame, persist=True, verbose=True)

        if results[0].boxes.id is not None:
            boxes = results[0].boxes.xyxy.cpu()
            for box in boxes:
                total_counts += 1

        analytics.update_line(frame_count, total_counts)

        total_counts = 0
        if cv2.waitKey(1) & 0xFF == ord("q"):
            break
    else:
        break

cap.release()
out.release()
cv2.destroyAllWindows()

import cv2

from ultralytics import YOLO, solutions

model = YOLO("yolov8s.pt")

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))
out = cv2.VideoWriter("multiple_line_plot.avi", cv2.VideoWriter_fourcc(*"MJPG"), fps, (w, h))

analytics = solutions.Analytics(
    type="line",
    writer=out,
    im0_shape=(w, h),
    view_img=True,
    max_points=200,
)

frame_count = 0
data = {}
labels = []

while cap.isOpened():
    success, frame = cap.read()

    if success:
        frame_count += 1

        results = model.track(frame, persist=True)

        if results[0].boxes.id is not None:
            boxes = results[0].boxes.xyxy.cpu()
            track_ids = results[0].boxes.id.int().cpu().tolist()
            clss = results[0].boxes.cls.cpu().tolist()

            for box, track_id, cls in zip(boxes, track_ids, clss):
                # Store each class label
                if model.names[int(cls)] not in labels:
                    labels.append(model.names[int(cls)])

                # Store each class count
                if model.names[int(cls)] in data:
                    data[model.names[int(cls)]] += 1
                else:
                    data[model.names[int(cls)]] = 0

        # update lines every frame
        analytics.update_multiple_lines(data, labels, frame_count)
        data = {}  # clear the data list for next frame
    else:
        break

cap.release()
out.release()
cv2.destroyAllWindows()

import cv2

from ultralytics import YOLO, solutions

model = YOLO("yolov8s.pt")

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))

out = cv2.VideoWriter("pie_chart.avi", cv2.VideoWriter_fourcc(*"MJPG"), fps, (w, h))

analytics = solutions.Analytics(
    type="pie",
    writer=out,
    im0_shape=(w, h),
    view_img=True,
)

clswise_count = {}

while cap.isOpened():
    success, frame = cap.read()
    if success:
        results = model.track(frame, persist=True, verbose=True)
        if results[0].boxes.id is not None:
            boxes = results[0].boxes.xyxy.cpu()
            clss = results[0].boxes.cls.cpu().tolist()
            for box, cls in zip(boxes, clss):
                if model.names[int(cls)] in clswise_count:
                    clswise_count[model.names[int(cls)]] += 1
                else:
                    clswise_count[model.names[int(cls)]] = 1

            analytics.update_pie(clswise_count)
            clswise_count = {}

        if cv2.waitKey(1) & 0xFF == ord("q"):
            break
    else:
        break

cap.release()
out.release()
cv2.destroyAllWindows()

import cv2

from ultralytics import YOLO, solutions

model = YOLO("yolov8s.pt")

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))

out = cv2.VideoWriter("bar_plot.avi", cv2.VideoWriter_fourcc(*"MJPG"), fps, (w, h))

analytics = solutions.Analytics(
    type="bar",
    writer=out,
    im0_shape=(w, h),
    view_img=True,
)

clswise_count = {}

while cap.isOpened():
    success, frame = cap.read()
    if success:
        results = model.track(frame, persist=True, verbose=True)
        if results[0].boxes.id is not None:
            boxes = results[0].boxes.xyxy.cpu()
            clss = results[0].boxes.cls.cpu().tolist()
            for box, cls in zip(boxes, clss):
                if model.names[int(cls)] in clswise_count:
                    clswise_count[model.names[int(cls)]] += 1
                else:
                    clswise_count[model.names[int(cls)]] = 1

            analytics.update_bar(clswise_count)
            clswise_count = {}

        if cv2.waitKey(1) & 0xFF == ord("q"):
            break
    else:
        break

cap.release()
out.release()
cv2.destroyAllWindows()

import cv2

from ultralytics import YOLO, solutions

model = YOLO("yolov8s.pt")

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))

out = cv2.VideoWriter("area_plot.avi", cv2.VideoWriter_fourcc(*"MJPG"), fps, (w, h))

analytics = solutions.Analytics(
    type="area",
    writer=out,
    im0_shape=(w, h),
    view_img=True,
)

clswise_count = {}
frame_count = 0

while cap.isOpened():
    success, frame = cap.read()
    if success:
        frame_count += 1
        results = model.track(frame, persist=True, verbose=True)

        if results[0].boxes.id is not None:
            boxes = results[0].boxes.xyxy.cpu()
            clss = results[0].boxes.cls.cpu().tolist()

            for box, cls in zip(boxes, clss):
                if model.names[int(cls)] in clswise_count:
                    clswise_count[model.names[int(cls)]] += 1
                else:
                    clswise_count[model.names[int(cls)]] = 1

        analytics.update_area(frame_count, clswise_count)
        clswise_count = {}
        if cv2.waitKey(1) & 0xFF == ord("q"):
            break
    else:
        break

cap.release()
out.release()
cv2.destroyAllWindows()