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yolov6 / app.py
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Update app.py
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import subprocess
import tempfile
import time
from pathlib import Path
import cv2
import gradio as gr
import torch
from inferer import Inferer
pipeline = Inferer("nateraw/yolov6s", device='cuda')
print(f"GPU on? {'🟒' if pipeline.device.type != 'cpu' else 'πŸ”΄'}")
def fn_image(image, conf_thres, iou_thres):
return pipeline(image, conf_thres, iou_thres)
def fn_video(video_file, conf_thres, iou_thres, start_sec, duration):
start_timestamp = time.strftime("%H:%M:%S", time.gmtime(start_sec))
end_timestamp = time.strftime("%H:%M:%S", time.gmtime(start_sec + duration))
suffix = Path(video_file).suffix
clip_temp_file = tempfile.NamedTemporaryFile(suffix=suffix)
subprocess.call(
f"ffmpeg -y -ss {start_timestamp} -i {video_file} -to {end_timestamp} -c copy {clip_temp_file.name}".split()
)
# Reader of clip file
cap = cv2.VideoCapture(clip_temp_file.name)
# This is an intermediary temp file where we'll write the video to
# Unfortunately, gradio doesn't play too nice with videos rn so we have to do some hackiness
# with ffmpeg at the end of the function here.
with tempfile.NamedTemporaryFile(suffix=".mp4") as temp_file:
out = cv2.VideoWriter(temp_file.name, cv2.VideoWriter_fourcc(*"MP4V"), 30, (1280, 720))
num_frames = 0
max_frames = duration * 30
while cap.isOpened():
try:
ret, frame = cap.read()
if not ret:
break
except Exception as e:
print(e)
continue
print("FRAME DTYPE", type(frame))
out.write(pipeline(frame, conf_thres, iou_thres))
num_frames += 1
print("Processed {} frames".format(num_frames))
if num_frames == max_frames:
break
out.release()
# Aforementioned hackiness
out_file = tempfile.NamedTemporaryFile(suffix="out.mp4", delete=False)
subprocess.run(f"ffmpeg -y -loglevel quiet -stats -i {temp_file.name} -c:v libx264 {out_file.name}".split())
return out_file.name
torch.hub.download_url_to_file('https://tochkanews.ru/wp-content/uploads/2020/09/0.jpg', '1.jpg')
torch.hub.download_url_to_file('https://s.rdrom.ru/1/pubs/4/35893/1906770.jpg', '2.jpg')
torch.hub.download_url_to_file('https://static.mk.ru/upload/entities/2022/04/17/07/articles/detailPicture/5b/39/28/b6/ffb1aa636dd62c30e6ff670f84474f75.jpg', '3.jpg')
image_interface = gr.Interface(
fn=fn_image,
inputs=[
"image",
gr.Slider(0, 1, value=0.5, label="Confidence Threshold"),
gr.Slider(0, 1, value=0.5, label="IOU Threshold"),
],
outputs=gr.Image(type="file"),
examples=[["1.jpg", 0.5, 0.5], ["2.jpg", 0.25, 0.45], ["3.jpg", 0.25, 0.45]],
title="YOLOv6",
description=(
"Gradio demo for YOLOv6 for object detection on images. To use it, simply upload your image or click one of the"
" examples to load them. Read more at the links below."
),
article=(
"<div style='text-align: center;'><a href='https://github.com/meituan/YOLOv6' target='_blank'>Github Repo</a>"
" <center><img src='https://visitor-badge.glitch.me/badge?page_id=nateraw_yolov6' alt='visitor"
" badge'></center></div>"
),
allow_flagging=False,
allow_screenshot=False,
)
video_interface = gr.Interface(
fn=fn_video,
inputs=[
gr.Video(type="file"),
gr.Slider(0, 1, value=0.25, label="Confidence Threshold"),
gr.Slider(0, 1, value=0.45, label="IOU Threshold"),
gr.Slider(0, 10, value=0, label="Start Second", step=1),
gr.Slider(0, 10 if pipeline.device.type != 'cpu' else 3, value=3, label="Duration", step=1),
],
outputs=gr.Video(type="file", format="mp4"),
examples=[
["ex1.mp4", 0.25, 0.45, 8, 2],
["ex2.mp4", 0.25, 0.45, 8, 2],
["ex4.mp4", 0.25, 0.45, 8, 2],
],
title="YOLOv6",
description=(
"Gradio demo for YOLOv6 for object detection on videos. To use it, simply upload your video or click one of the"
" examples to load them. Read more at the links below."
),
article=(
"<div style='text-align: center;'><a href='https://github.com/meituan/YOLOv6' target='_blank'>Github Repo</a>"
" <center><img src='https://visitor-badge.glitch.me/badge?page_id=nateraw_yolov6' alt='visitor"
" badge'></center></div>"
),
allow_flagging=False,
allow_screenshot=False,
)
webcam_interface = gr.Interface(
fn_image,
inputs=[
gr.Image(source='webcam', streaming=True),
gr.Slider(0, 1, value=0.5, label="Confidence Threshold"),
gr.Slider(0, 1, value=0.5, label="IOU Threshold"),
],
outputs=gr.Image(type="file"),
live=True,
title="YOLOv6",
description=(
"Gradio demo for YOLOv6 for object detection on real time webcam. To use it, simply allow the browser to access"
" your webcam. Read more at the links below."
),
article=(
"<div style='text-align: center;'><a href='https://github.com/meituan/YOLOv6' target='_blank'>Github Repo</a>"
" <center><img src='https://visitor-badge.glitch.me/badge?page_id=nateraw_yolov6' alt='visitor"
" badge'></center></div>"
),
allow_flagging=False,
allow_screenshot=False,
)
if __name__ == "__main__":
gr.TabbedInterface(
[video_interface, image_interface, webcam_interface],
["Run on Videos!", "Run on Images!", "Run on Webcam!"],
).launch()