Align two images using ECC (Enhanced Correlation Coefficient). Upload the image to align and a reference image, choose a warp mode, and download the aligned result.
All processing runs locally in your browser. Your files never leave your device.
What Image Alignment Is Useful For
Image alignment is useful when the same scene needs to be compared across two captures, such as quality control photos, before-and-after edits, stacked documents, or repeated scans. Registration helps bring the frames into the same visual space before differencing, blending, or inspection.
How to Run Image Alignment in 3 Steps
- Upload. Upload your input image via the upload zone. Most dev tools accept JPG, PNG, and WebP input for fastest processing.
- Process. Tune the algorithm parameters using the control panel — watch the live preview update as you adjust thresholds, kernel sizes, and other settings.
- Download. Export the processed image or result visualization. Use it directly or continue to another dev tool in your pipeline.
Why Use Image Alignment in the Browser
- Instant Feedback — See parameter changes reflected in real time. No recompile, no Python environment setup, no Jupyter kernel.
- Teaching-Friendly — Perfect for demonstrating classical computer vision concepts in class without installing OpenCV locally.
- Prototype Faster — Test algorithm behavior on real images before writing production code.
- Zero Install — Built on OpenCV primitives compiled to WebAssembly — full featured, fully local.
Image Alignment FAQ
What computer vision library does Image Alignment use?
Image Alignment is built on OpenCV primitives compiled to WebAssembly. You get the same algorithms as the desktop OpenCV library, running with near-native performance in your browser.
Can I download the processed result?
Yes. Every dev tool supports exporting the processed image or visualization as PNG. You can use it in documentation, papers, or downstream tools.
Are there parameter presets?
Image Alignment ships with sensible defaults that work for most images. Adjust the controls to experiment with different parameters — changes reflect in the live preview immediately.