Makale detayı · 1997
Superresolution video reconstruction with arbitrary sampling lattices and nonzero aperture time
- Yıl
- 1997
- Tür
- article
Veri kaynağı ayrımı
- YÖKSİS YÖKSİS makale kaydı
- YÖKSİS dergi adı IEEE TRANSACTIONS ON IMAGE PROCESSING
- Katalog eşleşmesi (ISSN) IEEE Transactions on Image Processing
- OpenAlex OpenAlex zenginleştirmesi (özet, atıf, konular)
Özet
OpenAlex · İngilizce
Printing from an NTSC source and conversion of NTSC source material to high-definition television (HDTV) format are some of the applications that motivate superresolution (SR) image and video reconstruction from low-resolution (LR) and possibly blurred sources. Existing methods for SR image reconstruction are limited by the assumptions that the input LR images are sampled progressively, and that the aperture time of the camera is zero, thus ignoring the motion blur occurring during the aperture time. Because of the observed adverse effects of these assumptions for many common video sources, this paper proposes (i) a complete model of video acquisition with an arbitrary input sampling lattice and a nonzero aperture time, and (ii) an algorithm based on this model using the theory of projections onto convex sets to reconstruct SR still images or video from an LR time sequence of images. Experimental results with real video are provided, which clearly demonstrate that a significant increase in the image resolution can be achieved by taking the motion blurring into account especially when there exists large interframe motion.
Konular
Atıflar
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450 atıf
OpenAlex cited_by_count (önbellek / veritabanı)
Yerel katalogda bu makaleye atıf yapan 26 yayın (OpenAlex referans eşleşmesi; tam dünya listesi değildir).
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- Superresolution under Photometric Diversity of Images 2007
- Subpixel Registration Directly from the Phase Difference 2006
- Eigenface-based super-resolution for face recognition 2003
- Superresolution reconstruction of hyperspectral images 2004
- Bayesian resolution-enhancement framework for transform-coded video 2002