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Browse files- Dockerfile +31 -0
- README.md +8 -6
- app.py +204 -0
- requirements.txt +3 -0
Dockerfile
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FROM python:3.12-slim
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WORKDIR /app
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# Install system dependencies for OpenCV
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RUN apt-get update && \
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apt-get install -y \
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libglib2.0-0 \
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libsm6 \
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libxext6 \
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libxrender-dev \
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libgomp1 \
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libglib2.0-0 \
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libgtk-3-0 \
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ffmpeg \
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libsm6 \
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libxext6 && \
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rm -rf /var/lib/apt/lists/*
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# Copy requirements and install Python dependencies
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COPY requirements.txt .
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RUN pip install --no-cache-dir -r requirements.txt
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# Copy application code
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COPY app.py .
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# Expose port for Gradio
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EXPOSE 7860
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# Run the application
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CMD ["python", "app.py"]
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README.md
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---
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title: Image Splitter
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emoji:
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colorFrom:
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colorTo:
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sdk:
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pinned: false
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license: cc-by-3.0
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short_description:
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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---
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title: Image Splitter
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emoji: 👀
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colorFrom: gray
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colorTo: indigo
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sdk: gradio
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sdk_version: 5.11.0
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app_file: app.py
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pinned: false
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license: cc-by-3.0
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short_description: This is an app that breaks down the image into tiles
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---
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Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
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app.py
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'''
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this script is used to split an image into tiles and download them as a zip file.
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The script defines two functions: split_image and create_zip_file. The
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split_image function takes an input image and tile size as arguments and splits
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the image into smaller tiles. The create_zip_file function takes a list of image
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tiles and a prefix as arguments and creates a zip file containing all the tiles.
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The process_image function combines the two functions to split the input image
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into tiles and create a zip file of the tiles. The main function launches a Gradio
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app that allows users to upload an image, specify the tile size, view the resulting
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tiles, and download all tiles in a zip archive.
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To run the script, simply execute it in a Python environment. The Gradio app will
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open in a new tab in your web browser, allowing you to interact with the image
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splitting functionality.
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How to use the script:
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1. Run the script in a Python environment.
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```python
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python split_and_zip.py
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```
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2. Open the provided local URL in a web browser.
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3. Upload an image file.
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4. Adjust the tile size using the slider.
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5. Click the "Process Image" button to split the image into tiles.
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6. View the resulting tiles in the gallery.
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7. Click the "Download Tiles" button to download all tiles as a zip file.
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'''
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import os
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import cv2
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import numpy as np
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import gradio as gr
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import tempfile
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import zipfile
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import logging
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from typing import List, Optional, Tuple
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# Configure logging for console output
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s',
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handlers=[logging.StreamHandler()]
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)
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def split_image(image: np.ndarray, tile_size: int) -> List[np.ndarray]:
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"""
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Split a large image into smaller tiles.
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Parameters
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----------
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image : np.ndarray
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Input image as a NumPy array.
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tile_size : int
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Size of each square tile in pixels.
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Returns
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-------
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List[np.ndarray]
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A list of image tiles as NumPy arrays.
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Examples
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--------
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>>> image = cv2.imread('path/to/image.jpg')
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>>> tiles = split_image(image, tile_size=500)
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>>> len(tiles)
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16
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"""
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if image is None:
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logging.warning("No image provided for splitting")
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return []
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h, w = image.shape[:2]
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logging.info(f"Starting image split - Image dimensions: {w}x{h}, Tile size: {tile_size}x{tile_size}")
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tiles = []
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for y in range(0, h, tile_size):
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for x in range(0, w, tile_size):
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end_y = min(y + tile_size, h)
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end_x = min(x + tile_size, w)
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tile = image[y:end_y, x:end_x]
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if tile.shape[0] > 0 and tile.shape[1] > 0:
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tiles.append(tile)
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logging.debug(f"Created tile {len(tiles)}: position ({x}, {y}), size ({end_x-x}x{end_y-y})")
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logging.info(f"Image splitting completed - Generated {len(tiles)} tiles")
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return tiles
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def create_zip_file(tiles: List[np.ndarray], prefix: str = "tile") -> str:
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"""
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Create a zip file containing all image tiles.
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Parameters
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----------
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tiles : List[np.ndarray]
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List of image tiles as NumPy arrays.
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prefix : str, optional
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Prefix for each tile filename, by default "tile".
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Returns
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-------
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str
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Path to the created zip file.
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Examples
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--------
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>>> zip_path = create_zip_file(tiles, prefix='sample')
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>>> os.path.exists(zip_path)
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True
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"""
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if not tiles:
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logging.warning("No tiles provided for zip creation")
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return ""
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logging.info(f"Creating zip file with {len(tiles)} tiles using prefix '{prefix}'")
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temp_dir = tempfile.mkdtemp()
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zip_path = os.path.join(temp_dir, "tiles.zip")
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with zipfile.ZipFile(zip_path, 'w') as zf:
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for i, tile in enumerate(tiles):
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tile_path = os.path.join(temp_dir, f"{prefix}_{i}.png")
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cv2.imwrite(tile_path, cv2.cvtColor(tile, cv2.COLOR_RGB2BGR))
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zf.write(tile_path, f"{prefix}_{i}.png")
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logging.debug(f"Added tile {i+1}/{len(tiles)} to zip: {prefix}_{i}.png")
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logging.info(f"Zip file created successfully at: {zip_path}")
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return zip_path
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def process_image(image: np.ndarray, tile_size: int) -> Tuple[List[np.ndarray], str]:
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"""
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Split the input image into tiles and create a zip file of the tiles.
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Parameters
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----------
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image : np.ndarray
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Input image as a NumPy array.
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tile_size : int
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Size of each square tile in pixels.
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Returns
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-------
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Tuple[List[np.ndarray], str]
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A tuple containing the list of image tiles and the path to the zip file.
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Examples
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--------
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>>> tiles, zip_path = process_image(image, tile_size=500)
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>>> len(tiles)
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16
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>>> os.path.exists(zip_path)
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True
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"""
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logging.info("=== Starting image processing ===")
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tiles = split_image(image, tile_size)
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zip_path = create_zip_file(tiles) if tiles else ""
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logging.info("=== Image processing completed ===")
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return tiles, zip_path
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def main():
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"""
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Launch the Gradio app for splitting images into tiles and downloading them as a zip file.
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The app allows users to upload an image, specify the tile size, view the resulting tiles,
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and download all tiles in a zip archive.
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Examples
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--------
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Run the script and open the provided local URL in a web browser.
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"""
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logging.info("Initializing Image Splitter application")
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with gr.Blocks() as interface:
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with gr.Row():
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input_image = gr.Image(type="numpy", label="Input Image")
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tile_size = gr.Slider(
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minimum=100, maximum=1000, step=100, value=500, label="Tile Size"
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)
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with gr.Row():
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submit_btn = gr.Button("Process Image")
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with gr.Row():
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gallery = gr.Gallery(label="Tiles", columns=3)
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download_btn = gr.File(label="Download Tiles")
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submit_btn.click(
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fn=process_image,
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inputs=[input_image, tile_size],
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outputs=[gallery, download_btn],
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)
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logging.info("Starting Gradio interface")
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interface.launch()
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if __name__ == '__main__':
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main()
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requirements.txt
ADDED
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numpy
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opencv-python
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gradio
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