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import gradio as gr |
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import torch |
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import cv2 |
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import pytesseract |
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import numpy as np |
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from PIL import Image |
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import sys |
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import os |
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from ultralytics import YOLO |
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model = YOLO("/home/user/app/best.pt") |
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def process_frame(frame): |
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img = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB) |
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img_tensor = torch.from_numpy(img).permute(2, 0, 1).float() / 255.0 |
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img_tensor = img_tensor.unsqueeze(0) |
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results = model(img_tensor, augment=False) |
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results = model.nms(results)[0] |
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extracted_texts = [] |
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confidences = [] |
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for det in results: |
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x1, y1, x2, y2, conf, cls = det.tolist() |
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if conf > 0.5: |
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x1, y1, x2, y2 = map(int, (x1, y1, x2, y2)) |
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cls = int(cls) |
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label_map = {0: "Analog", 1: "Digital", 2: "Non-LP"} |
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label = label_map.get(cls, "Unknown") |
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percent = f"{conf * 100:.2f}%" |
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cv2.rectangle(frame, (x1, y1), (x2, y2), (255, 0, 0), 2) |
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cv2.putText(frame, f"{label}: {percent}", (x1, y1 - 10), |
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cv2.FONT_HERSHEY_SIMPLEX, 0.6, (0, 255, 0), 2) |
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lp_crop = frame[y1:y2, x1:x2] |
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gray = cv2.cvtColor(lp_crop, cv2.COLOR_BGR2GRAY) |
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text = pytesseract.image_to_string(gray, config="--psm 6 -l ben") |
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extracted_texts.append(text.strip()) |
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confidences.append(percent) |
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return frame, "\n".join(extracted_texts), ", ".join(confidences) |
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def process_input(input_file): |
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file_path = input_file.name |
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if file_path.endswith(('.mp4', '.avi', '.mov')): |
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cap = cv2.VideoCapture(file_path) |
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ret, frame = cap.read() |
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cap.release() |
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if not ret: |
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return None, "Couldn't read video", "" |
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else: |
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frame = cv2.imread(file_path) |
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if frame is None: |
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return None, "Invalid image", "" |
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processed_frame, text, confidence = process_frame(frame) |
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processed_pil = Image.fromarray(cv2.cvtColor(processed_frame, cv2.COLOR_BGR2RGB)) |
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return processed_pil, text, confidence |
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interface = gr.Interface( |
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fn=process_input, |
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inputs=gr.File(type="filepath", label="Upload Image or Video"), |
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outputs=[ |
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gr.Image(type="pil", label="Detected Output"), |
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gr.Textbox(label="Detected Text (Bangla)"), |
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gr.Textbox(label="Confidence (%)") |
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], |
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title="YOLOv10n License Plate Detector (Bangla)", |
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description="Upload an image or video. Detects plates and extracts Bangla text using OCR (CPU)." |
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) |
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interface.launch() |
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