Panorama Image Stitcher

An Android application that creates seamless 360-degree panoramic images from multiple overlapping photographs using OpenCV.

Features

• Upload multiple images from device gallery
• Automatic feature detection and matching
• Image alignment and blending
• High-quality panorama export
• Real-time progress feedback

Tech Stack

• Language: Kotlin
• UI: Jetpack Compose with Material3
• Architecture: Clean Architecture (MVVM)
• Computer Vision: OpenCV for Android
• Dependency Injection: Hilt
• Async: Kotlin Coroutines & Flow
• Min SDK: 24 (Android 7.0)
• Target SDK: 34 (Android 14)

Project Structure

app/src/main/java/com/panorama/stitcher/
├── data/           # Data layer (repositories, data sources)
├── domain/         # Domain layer (use cases, business logic)
└── presentation/   # Presentation layer (UI, ViewModels)
    ├── theme/      # Compose theme configuration
    └── MainActivity.kt

Build

./gradlew build

Run

./gradlew installDebug

Testing

# Unit tests
./gradlew test

# Instrumented tests
./gradlew connectedAndroidTest

Dependencies

• Jetpack Compose
• Hilt for DI
• OpenCV 4.8.0
• Kotlin Coroutines
• Kotest for property-based testing
• MockK for mocking

License

MIT