Video Transcoding Techniques
AbstractThis chapter addresses the most recent advances in video transcoding and processing architectures for multimedia content adaptation. The first section provides an overview of the state of the...
View Article3D Media Representation and Coding
AbstractNowadays, three-dimensional (3D) multimedia provides immersive user experiences in virtual and real 3D environments, based on advanced technology that is rapidly evolving towards different...
View ArticleComplexity Reduction for HEVC Using Data Mining Techniques
AbstractAs the experiments presented in Chap. 4 have shown and the complexity scaling methods of Chap. 5s have confirmed, an important share of the high computational complexity of HEVC comes from the...
View ArticlePerformance and Computational Complexity Assessment of HEVC
AbstractThis chapter presents an experimental study performed with the research goal of characterising and evaluating the behaviour and performance of the HEVC encoder. A first set of experiments was...
View ArticleVideo Coding Background
AbstractThis chapter provides background information about video coding theory and practice. Initially, the basic concepts of video coding and the basic model of a hybrid video compression system are...
View ArticleComplexity Reduction and Scaling Applied to HEVC Encoding Time Control
AbstractThe main goal of this chapter is to combine the findings and methods presented in Chaps. 4, 5 and 6 to build a control system that dynamically adjusts the encoder operation to keep the encoding...
View ArticleComplexity Scaling for HEVC Using Adaptive Partitioning Structures
AbstractThis chapter presents a set of methods which were developed with the goal of dynamically scaling the computational complexity required by HEVC in the encoding process [1–8]. All of them rely on...
View ArticleState of the Art on Computational Complexity of Video Encoders
AbstractThis chapter presents an overview of the state-of-the-art research on computational complexity of video encoders. First, a description of current methods for modelling the computational...
View ArticleConclusions
AbstractThis book presented a review of the main works focusing on computational complexity of HEVC encoders and a number of contributions with novel solutions for reducing, scaling and controlling the...
View ArticleIntroduction
AbstractIn the last decades, the fast advances of semiconductor technologies fostered a large expansion in the consumer market of multimedia-ready devices due to the continuous increase of...
View ArticlePrescribe and Monitor Physical Activity Through a Community-Based eHealth...
AbstractModern portable devices (e.g. wearables) provide technical support to record physical activity, which can assist various purposes, ranging from geolocation, step count, body temperature and...
View ArticleStereo Laser Speckle Dissimilarity Analysis Using Self-organizing Maps
AbstractImaging methods based on the physical phenomenon of speckle have been gaining relevance (mostly due to technological improvements in sensors and cameras) in several areas of science,...
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