Our paper “Unbounded High Dynamic Range using a modulo camera” wins the Best Paper runner-up in International Conference on Computational Photography (ICCP 2015)!
Due to the high dynamic range of natural scenes, conventional cameras suffer from a common problem of over-exposure. In this work, we co-design hardware and algorithms to totally get rid of the problem of saturation – a modulo camera.
A modulo camera could take theoretically unbounded radiance levels by keeping only the least significant bits. We show that with the same bit depth, very high radiance levels can be recovered from a single modulus image with our newly proposed unwrapping algorithm for natural images. We can also obtain an HDR image with details equally well preserved for all radiance levels by merging the least number of modulus images. Synthetic experiment and experiment with a real modulo camera show the effectiveness of the proposed approach.
More information can be found in our project page: http://cameraculture.wpengine.com/projects/unbounded-high-dynamic-range-photography