EAN: 9783031011153

SYNTHESIS LECTURES ON IMAGE VIDEO AND MULTIMEDI...

This book focuses on the super resolution of images and video. The authors' use of the term
super resolution (SR) is used to describe the process of obtaining a high resolution (HR) image
or a sequence of HR images  from a set of low resolution (LR) observations. This process has
also been referred to in the literature as resolution enhancement (RE). SR has been applied
primarily to spatial and temporal RE  but also to hyperspectral image enhancement. This book
concentrates on motion based spatial RE  although the authors also describe motion free and
hyperspectral image SR problems. Also examined is the very recent research area of SR for
compression  which consists of the intentional downsampling  during pre-processing  of a video
sequence to be compressed and the application of SR techniques  during post-processing  on the
compressed sequence. It is clear that there is a strong interplay between the tools and
techniques developed for SR and a number of other inverse problems encountered in signal
processing (e.g.  image restoration  motion estimation). SR techniques are being applied to a
variety of fields  such as obtaining improved still images from video sequences (video
printing)  high definition television  high performance color Liquid Crystal Display (LCD)
screens  improvement of the quality of color images taken by one CCD  video surveillance 
remote sensing  and medical imaging. The authors believe that the SR RE area has matured enough
to develop a body of knowledge that can now start to provide useful and practical solutions to
challenging real problems and that SR techniques can be an integral part of an image and video
codec and can drive the development of new coder-decoders (codecs) and standards.

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