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import os
import gradio as gr
from transformers import pipeline, DetrForObjectDetection, DetrConfig, DetrImageProcessor
import numpy as np
import cv2
from PIL import Image
def load_model(model_name, threshold):
config = DetrConfig.from_pretrained(model_name, threshold=threshold)
model = DetrForObjectDetection.from_pretrained(model_name, config=config)
image_processor = DetrImageProcessor.from_pretrained(model_name)
return pipeline(task='object-detection', model=model, image_processor=image_processor)
od_pipe = load_model("facebook/detr-resnet-101", 0.25) # Default model
def draw_detections(image, detections, model_name):
np_image = np.array(image)
np_image = cv2.cvtColor(np_image, cv2.COLOR_RGB2BGR)
for detection in detections:
if 'mask' in detection:
# Interpret and visualize segmentation mask
mask = detection['mask']
color = np.random.randint(0, 255, size=3)
mask = np.round(mask * 255).astype(np.uint8)
mask = cv2.resize(mask, (image.width, image.height))
mask_image = np.stack([mask]*3, axis=-1)
np_image[mask == 255] = np_image[mask == 255] * 0.5 + color * 0.5
if 'box' in detection:
# Visualize bounding box
box = detection['box']
x_min, y_min, x_max, y_max = [int(b) for b in [box['xmin'], box['ymin'], box['xmax'], box['ymax']]]
cv2.rectangle(np_image, (x_min, y_min), (x_max, y_max), (0, 255, 0), 2)
final_image = cv2.cvtColor(np_image, cv2.COLOR_BGR2RGB)
return Image.fromarray(final_image)
def get_pipeline_prediction(model_name, threshold, pil_image):
global od_pipe
od_pipe = load_model(model_name, threshold)
try:
if not isinstance(pil_image, Image.Image):
pil_image = Image.fromarray(np.array(pil_image).astype('uint8'), 'RGB')
result = od_pipe(pil_image)
print("Detection Output:", result) # Debug: Check the output structure
processed_image = draw_detections(pil_image, result, model_name)
description = f'Model used: {model_name}, Detection Threshold: {threshold}'
return processed_image, result, description
except Exception as e:
return pil_image, {"error": str(e)}, "Failed to process image"
with gr.Blocks() as demo:
with gr.Row():
with gr.Column():
gr.Markdown("## Object Detection")
inp_image = gr.Image(label="Upload your image here")
model_dropdown = gr.Dropdown(choices=["facebook/detr-resnet-50", "facebook/detr-resnet-50-panoptic", "facebook/detr-resnet-101", "facebook/detr-resnet-101-panoptic"], value="facebook/detr-resnet-101", label="Select Model")
threshold_slider = gr.Slider(minimum=0.0, maximum=1.0, step=0.01, value=0.25, label="Detection Threshold")
run_button = gr.Button("Detect Objects")
with gr.Column():
with gr.Tab("Annotated Image"):
output_image = gr.Image()
with gr.Tab("Detection Results"):
output_data = gr.JSON()
with gr.Tab("Description"):
description_output = gr.Textbox()
run_button.click(get_pipeline_prediction, inputs=[model_dropdown, threshold_slider, inp_image], outputs=[output_image, output_data, description_output])
demo.launch() |