Flicker compensation for archived film sequences using a segmentation-based nonlinear model
EURASIP Journal on Advances in Signal Processing
Stabilization of Flicker-Like Effects in Image Sequences through Local Contrast Correction
SIAM Journal on Imaging Sciences
Wasserstein barycenter and its application to texture mixing
SSVM'11 Proceedings of the Third international conference on Scale Space and Variational Methods in Computer Vision
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Image flicker is a general film effect, which can be observed in videos as well as in old films, and consists of fast variations of the frame contrast and brightness. Reducing flicker of a sequence improves its visual quality and can be an essential first treatment before ulterior manipulations. This paper presents an axiomatic analysis of the problem, which leads to a global and fast method of "de-flicker," based on the scale-space theory. The stability of this process, called scale-time equalization, is ensured by the scale-time framework. Results on different sequences are given and show great visual improvement.