Andrey Nasonov, Andrey Krylov
Using several low-resolution images can provide better quality of a high-resolution image. The process of reconstructing a single high-resolution image from several low-resolution observations is called as superresolution.
Three directions are studied in this project:
- High-quality superresolution based on regularization methods.
- Non-iterative superresolution. A method of weighted median averaging is used to combine pixel values of given low-resolution images.
- Superresolution for video sequences. Two images are used here for high-resolution frame construction: current low-resolution frame and previous high-resolution frame.
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Publications
2014
А. С. Крылов, А. В. Насонов. Регуляризирующие методы интерполяции изображений. АРГАМАК-МЕДИА, Москва, 2014, 100 с.
2010
A. V. Nasonov, A. S. Krylov. “Fast super-resolution using weighted median filtering” // In: Proceedings of International Conference on Pattern Recognition (ICPR'2010). Istanbul, Turkey, 2010, pp. 2230−2233. PDF.
A. V. Nasonov, A. S. Krylov. “Using weighted median filtering for fast image super-resolution” // In: Proceedings of 12-th International Conference and Exhibition “Digital Signal Processing and its Applications” (DSPA'2010), Vol. 2. Moscow, Russia, 2010, pp. 104−105. PDF.
А. В. Насонов, А. С. Крылов. «Быстрое суперразрешение изображений с использованием взвешенной медианной фильтрации» // в: Труды 12-й международной конференции и выставки «Цифровая обработка сигналов и её применение» (DSPA'2010), т. 2. Москва, 2010, с. 101−104. PDF.
2009
A. S. Krylov, A. V. Nasonov, O. S. Ushmaev. “Video super-resolution with fast deconvolution” // Pattern Recognition and Image Analysis, Vol. 19, No. 3, 2009, pp. 497−500. PDF.
А. В. Насонов, А. С. Крылов, О. С. Ушмаев. «Применение метода суперразрешения для биометрических задач распознавания лиц в видеопотоке» // Системы высокой доступности, №. 1, 2009, с. 26−34. PDF.
2008
A. Krylov, A. Nasonov. “Fast Super-Resolution from video data using optical flow estimation” // In: Processings of IEEE International Conference on Signal Processing (ICSP'08). Beijing, China, 2008, pp. 853−856. PDF.
A. Krylov, A. Nasonov, D. Sorokin. “Face image super-resolution from video data with non-uniform illumination” // In: 18-th International Conference on Computer Graphics GraphiCon'2008. Moscow, Russia, 2008, pp. 150−155. PDF.
A. Krylov, A. Nasonov, O. Ushmaev. “Image Super-Resolution using Fast Deconvolution” // Proceedings of 9th Conference on Pattern Recognition and Image Analysis: New Information Technologies, Vol. 1, No. 2, Nizhni Novgorod, Russia, 2008, pp. 362−364. PDF.