Spaces:
Sleeping
Sleeping
APP
#1
by
nishanth-saka - opened
app.py
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import gradio as gr
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import cv2, numpy as np
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from PIL import Image
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def uniform_lighting(image):
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# Convert PIL → OpenCV
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img = cv2.cvtColor(np.array(image), cv2.COLOR_RGB2BGR)
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# 1️⃣ Convert to grayscale to estimate illumination
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gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
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# 2️⃣ Smooth illumination field (large Gaussian kernel)
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illumination = cv2.GaussianBlur(gray, (51, 51), 0)
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# 3️⃣ Compute normalization map using brightest region
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brightest = np.max(illumination)
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illum_norm = brightest / (illumination + 1e-5)
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illum_norm = np.repeat(illum_norm[:, :, np.newaxis], 3, axis=2)
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# 4️⃣ Apply correction
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corrected = np.clip(img.astype(np.float32) * illum_norm, 0, 255).astype(np.uint8)
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# Convert back to PIL for Gradio display
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corrected_rgb = cv2.cvtColor(corrected, cv2.COLOR_BGR2RGB)
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return Image.fromarray(corrected_rgb)
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title = "🧵 Saree AI – Uniform Lighting Correction"
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description = """
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Upload a saree image with uneven lighting.
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This tool will automatically detect illumination gradients and normalize brightness
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using the brightest region as reference, giving you a flat, uniform look for catalog or dataset use.
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"""
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demo = gr.Interface(
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fn=uniform_lighting,
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inputs=gr.Image(label="Upload Saree Image", type="pil"),
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outputs=gr.Image(label="Corrected Image"),
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title=title,
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description=description,
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examples=[],
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)
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if __name__ == "__main__":
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demo.launch()
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