Update app.py
Browse files
app.py
CHANGED
@@ -2,9 +2,7 @@ import subprocess
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import sys
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from os.path import abspath, dirname,join
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import spaces
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sys.path.append(join(dirname(abspath(__file__)),'GroundingDINO'))
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def run_commands():
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commands = [
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"git clone https://github.com/IDEA-Research/GroundingDINO.git",
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print(result.stdout.decode())
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except subprocess.CalledProcessError as e:
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print(f"Command '{command}' failed with error: {e.stderr.decode()}")
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from os.path import dirname, abspath
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import yaml
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import supervision as sv
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import gradio as gr
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class DinoVisionTransformerClassifier(nn.Module):
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def __init__(self):
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super(DinoVisionTransformerClassifier, self).__init__()
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self.transformer = torch.hub.load("facebookresearch/dinov2", "dinov2_vits14")
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self.classifier = nn.Sequential(nn.Linear(384, 256), nn.ReLU(), nn.Linear(256, 2))
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def forward(self, x):
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x = self.transformer(x)
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x = self.transformer.norm(x)
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x = self.classifier(x)
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return x
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def __init__(self):
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with open(f"{dirname(abspath(__file__))}/config.yaml", 'r') as f:
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config = yaml.load(f, Loader=yaml.FullLoader)
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labels = config["labels"]
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self.labels = labels
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self.dino = DinoVisionTransformerClassifier()
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model_path = f"{dirname(abspath(__file__))}/model.pth"
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state_dict = torch.load(model_path)
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self.dino.load_state_dict(state_dict)
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def preprocess(self, image: np.ndarray) -> torch.Tensor:
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data_transforms = {
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"test": transforms.Compose(
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[
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transforms.Resize((224, 224)),
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transforms.ToTensor(),
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transforms.Normalize([0.4914, 0.4822, 0.4465], [0.2023, 0.1994, 0.2010]),
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]
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)
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}
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image_pillow = Image.fromarray(image)
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img_transformed = data_transforms['test'](image_pillow)
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return img_transformed
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def predict(self, image):
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image = self.preprocess(image)
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image = image.unsqueeze(0)
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device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
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self.dino.to(device)
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self.dino.eval()
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with torch.no_grad():
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output = self.dino(image.to(device))
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logit, predicted = torch.max(output.data, 1)
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return self.labels[predicted[0].item()], logit[0].item()
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class VideoObjectDetection:
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def __init__(self,
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text_prompt: str
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):
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self.text_prompt = text_prompt
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def crop(self, frame, boxes):
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return crop_image
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def annotate(self,
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image_source: np.ndarray,
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boxes: torch.Tensor,
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logits: torch.Tensor,
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phrases: List[str],
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frame_rgb: np.ndarray,
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classifier) -> np.ndarray:
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h, w, _ = image_source.shape
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boxes = boxes * torch.Tensor([w, h, w, h])
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xyxy = box_convert(boxes=boxes, in_fmt="cxcywh", out_fmt="xyxy").numpy()
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detections = sv.Detections(xyxy=xyxy)
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print(xyxy.shape)
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custom_labels = []
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custom_logits = []
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else:
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custom_labels.append('unknown human face')
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custom_logits.append(logit)
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]
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output_image = gr.Image(label="Classified video")
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run_button.click(fn=video_annotator.generate_video, inputs=video_input,
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outputs=output_image)
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if __name__ == "__main__":
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import sys
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from os.path import abspath, dirname,join
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import spaces
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@spaces.GPU()
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def run_commands():
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commands = [
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"git clone https://github.com/IDEA-Research/GroundingDINO.git",
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print(result.stdout.decode())
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except subprocess.CalledProcessError as e:
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print(f"Command '{command}' failed with error: {e.stderr.decode()}")
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run_commands()
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from typing import List
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from Utils import get_video_properties
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from GroundingDINO.groundingdino.util.inference import load_model, predict
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import cv2
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import numpy as np
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import torch
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from PIL import Image
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import GroundingDINO.groundingdino.datasets.transforms as T
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from torchvision.ops import box_convert
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from torchvision import transforms
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from torch import nn
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from os.path import dirname, abspath
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import yaml
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import supervision as sv
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import gradio as gr
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sys.path.append(join(dirname(abspath(__file__)),'GroundingDINO'))
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class DinoVisionTransformerClassifier(nn.Module):
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def __init__(self):
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super(DinoVisionTransformerClassifier, self).__init__()
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self.transformer = torch.hub.load("facebookresearch/dinov2", "dinov2_vits14")
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self.classifier = nn.Sequential(nn.Linear(384, 256), nn.ReLU(), nn.Linear(256, 2))
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def forward(self, x):
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x = self.transformer(x)
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x = self.transformer.norm(x)
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x = self.classifier(x)
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return x
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class ImageClassifier:
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def __init__(self):
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with open(f"{dirname(abspath(__file__))}/config.yaml", 'r') as f:
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config = yaml.load(f, Loader=yaml.FullLoader)
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labels = config["labels"]
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self.labels = labels
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self.dino = DinoVisionTransformerClassifier()
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model_path = f"{dirname(abspath(__file__))}/model.pth"
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state_dict = torch.load(model_path)
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self.dino.load_state_dict(state_dict)
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def preprocess(self, image: np.ndarray) -> torch.Tensor:
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data_transforms = {
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"test": transforms.Compose(
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[
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transforms.Resize((224, 224)),
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transforms.ToTensor(),
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transforms.Normalize([0.4914, 0.4822, 0.4465], [0.2023, 0.1994, 0.2010]),
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]
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)
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}
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image_pillow = Image.fromarray(image)
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img_transformed = data_transforms['test'](image_pillow)
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return img_transformed
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def predict(self, image):
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image = self.preprocess(image)
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image = image.unsqueeze(0)
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device = torch.device("cuda:0" if torch.cuda.is_available() else "cpu")
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self.dino.to(device)
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self.dino.eval()
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with torch.no_grad():
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output = self.dino(image.to(device))
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logit, predicted = torch.max(output.data, 1)
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return self.labels[predicted[0].item()], logit[0].item()
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class VideoObjectDetection:
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def __init__(self,
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text_prompt: str
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):
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self.text_prompt = text_prompt
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def crop(self, frame, boxes):
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h, w, _ = frame.shape
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boxes = boxes * torch.Tensor([w, h, w, h])
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xyxy = box_convert(boxes=boxes, in_fmt="cxcywh", out_fmt="xyxy").numpy()
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min_col, min_row, max_col, max_row = map(int, xyxy[0])
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crop_image = frame[min_row:max_row, min_col:max_col, :]
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return crop_image
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def annotate(self,
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image_source: np.ndarray,
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boxes: torch.Tensor,
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logits: torch.Tensor,
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phrases: List[str],
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frame_rgb: np.ndarray,
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classifier) -> np.ndarray:
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h, w, _ = image_source.shape
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boxes = boxes * torch.Tensor([w, h, w, h])
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xyxy = box_convert(boxes=boxes, in_fmt="cxcywh", out_fmt="xyxy").numpy()
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detections = sv.Detections(xyxy=xyxy)
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print(xyxy.shape)
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custom_labels = []
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custom_logits = []
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for box in xyxy:
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min_col, min_row, max_col, max_row = map(int, box)
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crop_image = frame_rgb[min_row:max_row, min_col:max_col, :]
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label, logit = classifier.predict(crop_image)
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print()
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if logit >= 1:
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custom_labels.append(label)
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custom_logits.append(logit)
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else:
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custom_labels.append('unknown human face')
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custom_logits.append(logit)
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labels = [
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f"{phrase} {logit:.2f}"
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for phrase, logit
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in zip(custom_labels, custom_logits)
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]
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box_annotator = sv.BoxAnnotator()
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annotated_frame = box_annotator.annotate(scene=image_source, detections=detections, labels=labels)
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return annotated_frame
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def preprocess_image(self, image: np.ndarray) -> torch.Tensor:
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transform = T.Compose(
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[
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T.RandomResize([800], max_size=1333),
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T.ToTensor(),
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T.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]),
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]
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)
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image_pillow = Image.fromarray(image)
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image_transformed, _ = transform(image_pillow, None)
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return image_transformed
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@spaces.GPU()
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def generate_video(self, video_path) -> None:
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# Load model, set up variables and get video properties
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cap, fps, width, height, fourcc = get_video_properties(video_path)
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model = load_model("GroundingDINO/groundingdino/config/GroundingDINO_SwinT_OGC.py",
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"GroundingDINO/weights/groundingdino_swint_ogc.pth")
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predictor = ImageClassifier()
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TEXT_PROMPT = self.text_prompt
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BOX_TRESHOLD = 0.6
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TEXT_TRESHOLD = 0.6
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# Read video frames, crop image based on text prompt object detection and generate dataset_train
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import time
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frame_count = 0
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delay = 1 / fps # Delay in seconds between frames
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while cap.isOpened():
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start_time = time.time()
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ret, frame = cap.read()
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if not ret:
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break
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if cv2.waitKey(1) & 0xff == ord('q'):
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break
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# Convert bgr frame to rgb frame to image to torch tensor transformed
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frame_rgb = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
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image_transformed = self.preprocess_image(frame_rgb)
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boxes, logits, phrases = predict(
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model=model,
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image=image_transformed,
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caption=TEXT_PROMPT,
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box_threshold=BOX_TRESHOLD,
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text_threshold=TEXT_TRESHOLD
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205 |
+
)
|
206 |
+
|
207 |
+
# Get boxes
|
208 |
+
if boxes.size()[0] > 0:
|
209 |
+
annotated_frame = self.annotate(image_source=frame, boxes=boxes, logits=logits,
|
210 |
+
phrases=phrases, frame_rgb=frame_rgb, classifier=predictor)
|
211 |
+
# cv2.imshow('Object detection', annotated_frame)
|
212 |
+
frame_rgb = cv2.cvtColor(annotated_frame, cv2.COLOR_BGR2RGB)
|
213 |
+
|
214 |
+
yield frame_rgb
|
215 |
+
elapsed_time = time.time() - start_time
|
216 |
+
time_to_wait = max(delay - elapsed_time, 0)
|
217 |
+
time.sleep(time_to_wait)
|
218 |
+
|
219 |
+
frame_count += 1
|
220 |
+
|
221 |
|
222 |
if __name__ == "__main__":
|
223 |
+
|
224 |
+
video_annotator = VideoObjectDetection(
|
225 |
+
text_prompt='human face')
|
226 |
+
|
227 |
+
with gr.Blocks() as iface:
|
228 |
+
video_input = gr.Video(label="Upload Video")
|
229 |
+
run_button = gr.Button("Start Processing")
|
230 |
+
output_image = gr.Image(label="Classified video")
|
231 |
+
run_button.click(fn=video_annotator.generate_video, inputs=video_input,
|
232 |
+
outputs=output_image)
|
233 |
+
|
234 |
+
iface.launch(share=False, debug=True)
|
235 |
|