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import os
import glob
import time
import threading
import requests
import wikipedia
import torch
import cv2
import numpy as np
from io import BytesIO
from PIL import Image
import base64 # Added import
import gradio as gr
from ultralytics import YOLO
from transformers import pipeline, AutoTokenizer, AutoModelForCausalLM
from diffusers import MarigoldDepthPipeline # Updated import for depth model
from realesrgan import RealESRGANer
from basicsr.archs.rrdbnet_arch import RRDBNet
# Set environment variable for PyTorch MPS fallback before importing torch
os.environ['PYTORCH_ENABLE_MPS_FALLBACK'] = '1'
# Initialize Models
def initialize_models():
models = {}
# Device detection
if torch.cuda.is_available():
device = 'cuda'
elif torch.backends.mps.is_available():
device = 'mps'
else:
device = 'cpu'
models['device'] = device
print(f"Using device: {device}")
# Initialize the RoBERTa model for question answering
try:
models['qa_pipeline'] = pipeline(
"question-answering", model="deepset/roberta-base-squad2", device=0 if device == 'cuda' else -1)
print("RoBERTa QA pipeline initialized.")
except Exception as e:
print(f"Error initializing the RoBERTa model: {e}")
models['qa_pipeline'] = None
# Initialize the Gemma model
try:
models['gemma_tokenizer'] = AutoTokenizer.from_pretrained("google/gemma-2-2b-it")
models['gemma_model'] = AutoModelForCausalLM.from_pretrained(
"google/gemma-2-2b-it",
device_map="auto",
torch_dtype=torch.bfloat16 if device == 'cuda' else torch.float32
)
print("Gemma model initialized.")
except Exception as e:
print(f"Error initializing the Gemma model: {e}")
models['gemma_model'] = None
# Initialize the depth estimation model using MarigoldDepthPipeline exactly as per your sample
try:
if device == 'cuda':
models['depth_pipe'] = MarigoldDepthPipeline.from_pretrained(
"prs-eth/marigold-depth-lcm-v1-0",
variant="fp16",
torch_dtype=torch.float16
).to('cuda')
else:
# For CPU or MPS devices, keep on 'cpu' to avoid unsupported operators
models['depth_pipe'] = MarigoldDepthPipeline.from_pretrained(
"prs-eth/marigold-depth-lcm-v1-0",
torch_dtype=torch.float32
).to('cpu')
print("Depth estimation model initialized.")
except Exception as e:
error_message = f"Error initializing the depth estimation model: {e}"
print(error_message)
models['depth_pipe'] = None
models['depth_init_error'] = error_message # Store the error message
# Initialize the upscaling model
try:
upscaler_model_path = 'weights/RealESRGAN_x4plus.pth' # Ensure this path is correct
if not os.path.exists(upscaler_model_path):
print(f"Upscaling model weights not found at {upscaler_model_path}. Please download them.")
models['upscaler'] = None
else:
# Define the model architecture
model = RRDBNet(num_in_ch=3, num_out_ch=3, num_feat=64,
num_block=23, num_grow_ch=32, scale=4)
# Initialize RealESRGANer
models['upscaler'] = RealESRGANer(
scale=4,
model_path=upscaler_model_path,
model=model,
pre_pad=0,
half=(device == 'cuda'),
device=device
)
print("Real-ESRGAN upscaler initialized.")
except Exception as e:
print(f"Error initializing the upscaling model: {e}")
models['upscaler'] = None
# Initialize YOLO model
try:
source_weights_path = "/Users/David/Downloads/WheelOfFortuneLab-DavidDriscoll/Eurybia1.3/mbari_315k_yolov8.pt"
if not os.path.exists(source_weights_path):
print(f"YOLO weights not found at {source_weights_path}. Please download them.")
models['yolo_model'] = None
else:
models['yolo_model'] = YOLO(source_weights_path)
print("YOLO model initialized.")
except Exception as e:
print(f"Error initializing YOLO model: {e}")
models['yolo_model'] = None
return models
models = initialize_models()
# Utility Functions
def search_class_description(class_name):
wikipedia.set_lang("en")
wikipedia.set_rate_limiting(True)
description = ""
try:
page = wikipedia.page(class_name)
if page:
description = page.content[:5000] # Get more content
except Exception as e:
print(f"Error fetching description for {class_name}: {e}")
return description
def search_class_image(class_name):
wikipedia.set_lang("en")
wikipedia.set_rate_limiting(True)
img_url = ""
try:
page = wikipedia.page(class_name)
if page:
for img in page.images:
if img.lower().endswith(('.jpg', '.jpeg', '.png', '.gif')):
img_url = img
break
except Exception as e:
print(f"Error fetching image for {class_name}: {e}")
return img_url
def process_image(image):
if models['yolo_model'] is None:
return None, "YOLO model is not initialized.", "YOLO model is not initialized.", [], None
try:
if image is None:
return None, "No image uploaded.", "No image uploaded.", [], None
# Convert Gradio Image to OpenCV format
image_np = np.array(image)
if image_np.dtype != np.uint8:
image_np = image_np.astype(np.uint8)
if len(image_np.shape) != 3 or image_np.shape[2] != 3:
return None, "Invalid image format. Please upload a RGB image.", "Invalid image format. Please upload a RGB image.", [], None
image_cv = cv2.cvtColor(image_np, cv2.COLOR_RGB2BGR)
# Store the original image before drawing bounding boxes
original_image_cv = image_cv.copy()
original_image_pil = Image.fromarray(cv2.cvtColor(original_image_cv, cv2.COLOR_BGR2RGB))
# Perform YOLO prediction
results = models['yolo_model'].predict(
source=image_cv, conf=0.075)[0] # Lowered the threshold
bounding_boxes = []
image_processed = image_cv.copy()
if results.boxes is not None:
for box in results.boxes:
x1, y1, x2, y2 = map(int, box.xyxy[0].tolist())
class_name = models['yolo_model'].names[int(box.cls)]
confidence = box.conf.item() * 100 # Convert to percentage
bounding_boxes.append({
"coords": (x1, y1, x2, y2),
"class_name": class_name,
"confidence": confidence
})
cv2.rectangle(image_processed, (x1, y1), (x2, y2), (0, 0, 255), 2)
cv2.putText(image_processed, f'{class_name} {confidence:.2f}%',
(x1, y1 - 10), cv2.FONT_HERSHEY_SIMPLEX,
0.9, (0, 0, 255), 2)
# Convert back to PIL Image
processed_image = Image.fromarray(cv2.cvtColor(image_processed, cv2.COLOR_BGR2RGB))
# Prepare detection info
if bounding_boxes:
detection_info = "\n".join(
[f'{box["class_name"]}: {box["confidence"]:.2f}%' for box in bounding_boxes]
)
else:
detection_info = "No detections found."
# Prepare detection details as Markdown
if bounding_boxes:
details = ""
for idx, box in enumerate(bounding_boxes):
class_name = box['class_name']
confidence = box['confidence']
description = search_class_description(class_name)
img_url = search_class_image(class_name)
img_md = ""
if img_url:
try:
headers = {
'User-Agent': 'MyApp/1.0 (https://example.com/contact; [email protected])'
}
response = requests.get(img_url, headers=headers, timeout=10)
img_data = response.content
img = Image.open(BytesIO(img_data)).convert("RGB")
img.thumbnail((400, 400)) # Resize for faster loading
buffered = BytesIO()
img.save(buffered, format="PNG")
img_str = base64.b64encode(buffered.getvalue()).decode()
img_md = f"\n\n"
except Exception as e:
print(f"Error fetching image for {class_name}: {e}")
details += f"### {idx+1}. {class_name} ({confidence:.2f}%)\n\n"
if description:
details += f"{description}\n\n"
if img_md:
details += f"{img_md}\n\n"
detection_details_md = details
else:
detection_details_md = "No detections to show."
return processed_image, detection_info, detection_details_md, bounding_boxes, original_image_pil
except Exception as e:
print(f"Error processing image: {e}")
return None, f"Error processing image: {e}", f"Error processing image: {e}", [], None
def ask_eurybia(question, state):
if not question.strip():
return "Please enter a valid question.", state
if not state['bounding_boxes']:
return "No detected objects to ask about.", state
# Combine descriptions of all detected objects as context
context = ""
for box in state['bounding_boxes']:
description = search_class_description(box['class_name'])
if description:
context += description + "\n"
if not context.strip():
return "No sufficient context available to answer the question.", state
try:
if models['qa_pipeline'] is None:
return "QA pipeline is not initialized.", state
answer = models['qa_pipeline'](question=question, context=context)
answer_text = answer['answer'].strip()
if not answer_text:
return "I couldn't find an answer to that question based on the detected objects.", state
return answer_text, state
except Exception as e:
print(f"Error during question answering: {e}")
return f"Error during question answering: {e}", state
def enhance_image(cropped_image_pil):
if models['upscaler'] is None:
return None, "Upscaling model is not initialized."
try:
input_image = cropped_image_pil.convert("RGB")
img = np.array(input_image)
# Run the model to enhance the image
output, _ = models['upscaler'].enhance(img, outscale=4)
enhanced_image = Image.fromarray(output)
return enhanced_image, "Image enhanced successfully."
except Exception as e:
print(f"Error during image enhancement: {e}")
return None, f"Error during image enhancement: {e}"
def run_depth_prediction(original_image):
if models['depth_pipe'] is None:
error_msg = models.get('depth_init_error', "Depth estimation model is not initialized.")
return None, error_msg
try:
if original_image is None:
return None, "No image uploaded for depth prediction."
# Prepare the image
input_image = original_image.convert("RGB")
# Run the depth pipeline
result = models['depth_pipe'](input_image)
# Access the depth prediction
depth_prediction = result.prediction # Adjust based on sample code
# Visualize the depth map
vis_depth = models['depth_pipe'].image_processor.visualize_depth(depth_prediction)
# Ensure vis_depth is a list and extract the first image
if isinstance(vis_depth, list) and len(vis_depth) > 0:
vis_depth_image = vis_depth[0]
else:
vis_depth_image = vis_depth # Fallback if not a list
return vis_depth_image, "Depth prediction completed."
except Exception as e:
print(f"Error during depth prediction: {e}")
return None, f"Error during depth prediction: {e}"
# Gradio Interface Components
with gr.Blocks() as demo:
gr.Markdown("# Eurybia Mini - Object Detection and Analysis Tool")
with gr.Tab("Upload & Process"):
with gr.Row():
with gr.Column():
image_input = gr.Image(type="pil", label="Upload Image")
process_button = gr.Button("Process Image")
clear_button = gr.Button("Clear")
with gr.Column():
processed_image = gr.Image(type="pil", label="Processed Image")
detection_info = gr.Textbox(label="Detection Information", lines=10)
with gr.Tab("Detection Details"):
with gr.Accordion("Click to see detection details", open=False):
detection_details_md = gr.Markdown("No detections to show.")
with gr.Tab("Ask Eurybia"):
with gr.Row():
with gr.Column():
question_input = gr.Textbox(label="Ask a question about the detected objects")
ask_button = gr.Button("Ask Eurybia")
with gr.Column():
answer_output = gr.Markdown(label="Eurybia's Answer")
with gr.Tab("Depth Estimation"):
with gr.Row():
with gr.Column():
depth_button = gr.Button("Run Depth Prediction")
with gr.Column():
depth_output = gr.Image(type="pil", label="Depth Map")
depth_status = gr.Textbox(label="Status", lines=2)
# Display error message if depth estimation model failed to initialize
if models.get('depth_init_error'):
gr.Markdown(f"**Depth Estimation Initialization Error:** {models['depth_init_error']}")
with gr.Tab("Enhance Detected Objects"):
if models['yolo_model'] is not None and models['upscaler'] is not None:
with gr.Row():
detected_objects = gr.Dropdown(choices=[], label="Select Detected Object", interactive=True)
enhance_btn = gr.Button("Enhance Image")
with gr.Column():
enhanced_image = gr.Image(type="pil", label="Enhanced Image")
enhance_status = gr.Textbox(label="Status", lines=2)
else:
gr.Markdown("**Warning:** YOLO model or Upscaling model is not initialized. Image enhancement functionality will be unavailable.")
with gr.Tab("Credits"):
gr.Markdown("""
# Credits and Licensing Information
This project utilizes various open-source libraries, tools, pretrained models, and datasets. Below is the list of components used and their respective credits/licenses:
## Libraries
- **Python** - Python Software Foundation License (PSF License)
- **Gradio** - Licensed under the Apache License 2.0
- **Torch (PyTorch)** - Licensed under the BSD 3-Clause License
- **OpenCV (cv2)** - Licensed under the Apache License 2.0
- **NumPy** - Licensed under the BSD License
- **Pillow (PIL)** - Licensed under the HPND License
- **Requests** - Licensed under the Apache License 2.0
- **Wikipedia API** - Licensed under the MIT License
- **Transformers** - Licensed under the Apache License 2.0
- **Diffusers** - Licensed under the Apache License 2.0
- **Real-ESRGAN** - Licensed under the MIT License
- **BasicSR** - Licensed under the Apache License 2.0
- **Ultralytics YOLO** - Licensed under the GPL-3.0 License
## Pretrained Models
- **deepset/roberta-base-squad2 (RoBERTa)** - Model provided by Hugging Face under the Apache License 2.0.
- **google/gemma-2-2b-it** - Model provided by Hugging Face under the Apache License 2.0.
- **prs-eth/marigold-depth-lcm-v1-0** - Licensed under the Apache License 2.0.
- **Real-ESRGAN model weights (RealESRGAN_x4plus.pth)** - Distributed under the MIT License.
- **FathomNet MBARI 315K YOLOv8 Model**:
- **Dataset**: Sourced from [FathomNet](https://fathomnet.org).
- **Model**: Derived from MBARI’s curated dataset of 315,000 marine annotations.
- **License**: Dataset and models adhere to MBARI’s Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).
## Datasets
- **FathomNet MBARI Dataset**:
- A large-scale dataset for marine biodiversity image annotations.
- All content adheres to the [CC BY-NC 4.0 License](https://creativecommons.org/licenses/by-nc/4.0/).
## Acknowledgments
- **Ultralytics YOLO**: For the YOLOv8 architecture used for object detection.
- **FathomNet and MBARI**: For providing the marine dataset and annotations that support object detection in underwater imagery.
- **Gradio**: For providing an intuitive interface for machine learning applications.
- **Hugging Face**: For pretrained models and pipelines (e.g., Transformers, Diffusers).
- **Real-ESRGAN**: For image enhancement and upscaling models.
- **Wikipedia API**: For fetching object descriptions and images.
""")
# Hidden state to store bounding boxes, original and processed images
state = gr.State({"bounding_boxes": [], "last_image": None, "original_image": None})
# Event Handlers
def on_process_image(image, state):
processed_img, info, details, bounding_boxes, original_image_pil = process_image(image)
if processed_img is not None:
# Update the state with new bounding boxes and images
state['bounding_boxes'] = bounding_boxes
state['last_image'] = processed_img
state['original_image'] = original_image_pil
# Update the dropdown choices for detected objects
choices = [f"{idx+1}. {box['class_name']} ({box['confidence']:.2f}%)" for idx, box in enumerate(bounding_boxes)]
else:
choices = []
return processed_img, info, details, gr.update(choices=choices), state
process_button.click(
on_process_image,
inputs=[image_input, state],
outputs=[processed_image, detection_info, detection_details_md, detected_objects, state]
)
def on_clear(state):
state = {"bounding_boxes": [], "last_image": None, "original_image": None}
return None, "No detections found.", "No detections to show.", gr.update(choices=[]), state
clear_button.click(
on_clear,
inputs=state,
outputs=[processed_image, detection_info, detection_details_md, detected_objects, state]
)
def on_ask_eurybia(question, state):
answer, state = ask_eurybia(question, state)
return answer, state
ask_button.click(
on_ask_eurybia,
inputs=[question_input, state],
outputs=[answer_output, state]
)
def on_depth_prediction(state):
original_image = state.get('original_image')
depth_img, status = run_depth_prediction(original_image)
return depth_img, status
depth_button.click(
on_depth_prediction,
inputs=state,
outputs=[depth_output, depth_status]
)
def on_enhance_image(selected_object, state):
if not selected_object:
return None, "No object selected.", state
try:
idx = int(selected_object.split('.')[0]) - 1
box = state['bounding_boxes'][idx]
class_name = box['class_name']
x1, y1, x2, y2 = box['coords']
if not state.get('last_image'):
return None, "Processed image is not available.", state
# Ensure processed_image is stored in state
processed_img_pil = state['last_image']
if not isinstance(processed_img_pil, Image.Image):
return None, "Processed image is in an unsupported format.", state
# Convert processed_image to OpenCV format with checks
processed_img_cv = np.array(processed_img_pil)
if processed_img_cv.dtype != np.uint8:
processed_img_cv = processed_img_cv.astype(np.uint8)
if len(processed_img_cv.shape) != 3 or processed_img_cv.shape[2] != 3:
return None, "Invalid processed image format.", state
processed_img_cv = cv2.cvtColor(processed_img_cv, cv2.COLOR_RGB2BGR)
# Crop the detected object from the processed image
cropped_img_cv = processed_img_cv[y1:y2, x1:x2]
if cropped_img_cv.size == 0:
return None, "Cropped image is empty.", state
cropped_img_pil = Image.fromarray(cv2.cvtColor(cropped_img_cv, cv2.COLOR_BGR2RGB))
# Enhance the cropped image
enhanced_img, status = enhance_image(cropped_img_pil)
return enhanced_img, status, state
except Exception as e:
return None, f"Error: {e}", state
if models['yolo_model'] is not None and models['upscaler'] is not None:
enhance_btn.click(
on_enhance_image,
inputs=[detected_objects, state],
outputs=[enhanced_image, enhance_status, state]
)
# Optional: Add a note if the depth model isn't initialized
if models['depth_pipe'] is None and not models.get('depth_init_error'):
gr.Markdown("**Warning:** Depth estimation model is not initialized. Depth prediction functionality will be unavailable.")
# Optional: Add a note if the upscaler isn't initialized
if models['upscaler'] is None:
gr.Markdown("**Warning:** Upscaling model is not initialized. Image enhancement functionality will be unavailable.")
# Launch the Gradio app
demo.launch()
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