Update app.py
Browse files
app.py
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import streamlit as st
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import os
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from PIL import Image
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import torch
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from manga_translator import process_manga_pages
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import tempfile
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from dotenv import load_dotenv
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# Load environment variables
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load_dotenv()
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# Check for DeepL API key
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DEEPL_API_KEY = os.getenv('DEEPL_API_KEY')
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if not DEEPL_API_KEY:
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st.warning("⚠️ DeepL API key not found. Using free translation service which may have limitations.")
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st.set_page_config(
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page_title="Manga Translator",
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page_icon="📚",
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layout="wide"
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)
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st.title("🎯 Manga Translator")
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# Main description
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st.markdown("""
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This app uses custom YOLO detection, OCR, and machine translation to automatically translate manga pages from Japanese to English.
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⚠️ **Note**: Translation accuracy may vary due to the complexity of Japanese text and manga-specific expressions.
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We're continuously working to improve the system!
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""")
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# Guidelines section before upload
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st.markdown("""
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### 📋 Guidelines for Best Results
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1. **Image Requirements**:
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- Clear, high-resolution manga page
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- Japanese text should be clearly visible
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- Text bubbles should not be cropped
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- Supported formats: PNG, JPG, JPEG
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2. **For Best Results**:
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- Avoid pages with handwritten text
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- Ensure text bubbles are not overlapping
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- Image should be properly oriented
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- Avoid heavily compressed images
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3. **Privacy & Copyright**:
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- Only upload content you have rights to use
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- We don't store any uploaded images
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- All processing is done in real-time
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""")
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# Technical demonstration
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st.markdown("""
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### 🔍 How It Works
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1. **Text Detection**: Custom YOLO model detects text bubbles
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2. **OCR Processing**: Extracts Japanese text
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3. **Translation**: Converts to English using DeepL API
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4. **Text Insertion**: Places translated text back into the image
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""")
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# File uploader
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uploaded_file = st.file_uploader("Choose a manga page (PNG, JPG)", type=['png', 'jpg', 'jpeg'])
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if uploaded_file is not None:
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# Create temporary directories for processing
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with tempfile.TemporaryDirectory() as temp_dir:
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# Save uploaded file
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input_path = os.path.join(temp_dir, "input")
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output_path = os.path.join(temp_dir, "output")
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os.makedirs(input_path, exist_ok=True)
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os.makedirs(output_path, exist_ok=True)
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temp_file = os.path.join(input_path, uploaded_file.name)
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with open(temp_file, "wb") as f:
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f.write(uploaded_file.getbuffer())
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# Process the image
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with st.spinner("Translating manga... Please wait."):
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try:
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process_manga_pages(
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image_folder=input_path,
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translated_dir=output_path,
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show_results=False
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)
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# Display results
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col1, col2 = st.columns(2)
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with col1:
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st.subheader("Original")
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original_image = Image.open(temp_file)
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st.image(original_image,
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with col2:
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st.subheader("Translated")
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translated_file = os.path.join(output_path, uploaded_file.name)
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if os.path.exists(translated_file):
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translated_image = Image.open(translated_file)
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st.image(translated_image,
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else:
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st.error("Translation failed. Please try another image.")
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except Exception as e:
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st.error(f"An error occurred: {str(e)}")
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# Add information about the project
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st.markdown("""
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---
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## About the Project
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This manga translator uses:
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- Custom-trained YOLO model for text bubble detection
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- MangaOCR for Japanese text extraction
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- DeepL API for high-quality translation
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- OpenCV and PIL for image processing
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-
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### Technical Details
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- Supports single page translation
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- Real-time processing
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- No image storage
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- Privacy-focused design
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### Links
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- [GitHub Repository](https://github.com/ebhon/manga_translator_project)
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- [YOLO Model Repository](https://github.com/ebhon/YOLO-manga-bubble-detector)
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### Feedback
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Found a bug or have a suggestion? Please open an issue on GitHub!
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""")
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# Add footer with disclaimer
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st.markdown("""
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---
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Created by
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*Disclaimer: This tool is for educational purposes only. Users are responsible for ensuring they have the right to translate any content they upload.*
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""")
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+
import streamlit as st
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| 2 |
+
import os
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| 3 |
+
from PIL import Image
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import torch
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from manga_translator import process_manga_pages
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import tempfile
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from dotenv import load_dotenv
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+
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# Load environment variables
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load_dotenv()
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+
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# Check for DeepL API key
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DEEPL_API_KEY = os.getenv('DEEPL_API_KEY')
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if not DEEPL_API_KEY:
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st.warning("⚠️ DeepL API key not found. Using free translation service which may have limitations.")
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+
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st.set_page_config(
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page_title="Manga Translator",
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page_icon="📚",
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layout="wide"
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)
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+
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st.title("🎯 Manga Translator")
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+
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# Main description
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st.markdown("""
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+
This app uses custom YOLO detection, OCR, and machine translation to automatically translate manga pages from Japanese to English.
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| 28 |
+
|
| 29 |
+
⚠️ **Note**: Translation accuracy may vary due to the complexity of Japanese text and manga-specific expressions.
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| 30 |
+
We're continuously working to improve the system!
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+
""")
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+
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+
# Guidelines section before upload
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+
st.markdown("""
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+
### 📋 Guidelines for Best Results
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| 36 |
+
1. **Image Requirements**:
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| 37 |
+
- Clear, high-resolution manga page
|
| 38 |
+
- Japanese text should be clearly visible
|
| 39 |
+
- Text bubbles should not be cropped
|
| 40 |
+
- Supported formats: PNG, JPG, JPEG
|
| 41 |
+
|
| 42 |
+
2. **For Best Results**:
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| 43 |
+
- Avoid pages with handwritten text
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| 44 |
+
- Ensure text bubbles are not overlapping
|
| 45 |
+
- Image should be properly oriented
|
| 46 |
+
- Avoid heavily compressed images
|
| 47 |
+
|
| 48 |
+
3. **Privacy & Copyright**:
|
| 49 |
+
- Only upload content you have rights to use
|
| 50 |
+
- We don't store any uploaded images
|
| 51 |
+
- All processing is done in real-time
|
| 52 |
+
""")
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| 53 |
+
|
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+
# Technical demonstration
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+
st.markdown("""
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+
### 🔍 How It Works
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| 57 |
+
1. **Text Detection**: Custom YOLO model detects text bubbles
|
| 58 |
+
2. **OCR Processing**: Extracts Japanese text
|
| 59 |
+
3. **Translation**: Converts to English using DeepL API
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| 60 |
+
4. **Text Insertion**: Places translated text back into the image
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| 61 |
+
""")
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+
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# File uploader
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uploaded_file = st.file_uploader("Choose a manga page (PNG, JPG)", type=['png', 'jpg', 'jpeg'])
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+
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+
if uploaded_file is not None:
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+
# Create temporary directories for processing
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+
with tempfile.TemporaryDirectory() as temp_dir:
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+
# Save uploaded file
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input_path = os.path.join(temp_dir, "input")
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output_path = os.path.join(temp_dir, "output")
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os.makedirs(input_path, exist_ok=True)
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os.makedirs(output_path, exist_ok=True)
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temp_file = os.path.join(input_path, uploaded_file.name)
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with open(temp_file, "wb") as f:
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f.write(uploaded_file.getbuffer())
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+
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# Process the image
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with st.spinner("Translating manga... Please wait."):
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try:
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process_manga_pages(
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image_folder=input_path,
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translated_dir=output_path,
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show_results=False
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)
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+
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# Display results
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col1, col2 = st.columns(2)
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+
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with col1:
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st.subheader("Original")
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original_image = Image.open(temp_file)
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st.image(original_image, use_container_width=True)
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with col2:
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st.subheader("Translated")
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translated_file = os.path.join(output_path, uploaded_file.name)
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if os.path.exists(translated_file):
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translated_image = Image.open(translated_file)
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st.image(translated_image, use_container_width=True)
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else:
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st.error("Translation failed. Please try another image.")
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+
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except Exception as e:
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st.error(f"An error occurred: {str(e)}")
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+
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# Add information about the project
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st.markdown("""
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+
---
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+
## About the Project
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+
|
| 113 |
+
This manga translator uses:
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| 114 |
+
- Custom-trained YOLO model for text bubble detection
|
| 115 |
+
- MangaOCR for Japanese text extraction
|
| 116 |
+
- DeepL API for high-quality translation
|
| 117 |
+
- OpenCV and PIL for image processing
|
| 118 |
+
|
| 119 |
+
### Technical Details
|
| 120 |
+
- Supports single page translation
|
| 121 |
+
- Real-time processing
|
| 122 |
+
- No image storage
|
| 123 |
+
- Privacy-focused design
|
| 124 |
+
|
| 125 |
+
### Links
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| 126 |
+
- [GitHub Repository](https://github.com/ebhon/manga_translator_project)
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| 127 |
+
- [YOLO Model Repository](https://github.com/ebhon/YOLO-manga-bubble-detector)
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+
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+
### Feedback
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| 130 |
+
Found a bug or have a suggestion? Please open an issue on GitHub!
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+
""")
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+
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# Add footer with disclaimer
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st.markdown("""
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+
---
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+
Created by Abraham
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+
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+
*Disclaimer: This tool is for educational purposes only. Users are responsible for ensuring they have the right to translate any content they upload.*
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""")
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