G. Tziritas, University of Crete, Computer Science Department, Heraklion, Crete, Greece
C. Labit, IRISA/INRIA, Campus de Beaulieu, Rennes, France,
Included in series : Advances in Image Communication
Motion Analysis for Image Sequence Coding documents the technical advances made through the years in dealing with motion in image sequences - from straightforward coarse approaches to complicated algorithms. It is timely because of the unprecedented effort which is made to establish a set of international standards for the digital compression of moving pictures and television signals. These standards rely heavily on motion estimation and compensation techniques and will be exploited on a large scale in multimedia applications as well as in intelligent systems. The book will be of prime importance, not only to active engineers and researchers in the field, but also by serving as a basic educational tool.
By Maurice Bellanger, Professor at CNAM Paris
Intelligent systems are entering all technical fields. Gathering information from their environment and taking into account the experience they have learnt from past situations, they are able to make decisions and successfully perform more and more complex tasks. It is a major trend for science and industry, which is enabled by the staggering progress made by electronics technology, at the end of this century, combined with remarkable advances in devising and mastering complex algorithms.
Among the techniques which are widely used in intelligent systems, for example in robotics, transportation or entertainment, computer vision holds a special position, very much like the vision for humans. Processing images and image sequences to extract pertinent information or to condense and store relevant data is a basic function which crucially impacts the system performance and determines its potential. Therefore, it is not surprising to observe that image processing has been a very active research area for several decades. But, the novelty is that the progress in algorithms can now be better exploited than ever, using integrated circuits which have a huge processing power, expressed for example in hundrends of megaflops or in gigaflops, and large memories.
A particularly important segment of image processing, for intelligent systems but also for many other applications, is motion analysis, estimation and compensation. In fact, motion is a key information, which has to be accurately determined and carefully exploited in many different circumstances.
Along the years, techniques to deal with motion in image sequences have grown in sophistication, from straightforward coarse approaches to complicated algorithms, and the need to bring together the knowledge in the field and have a comprehensive presentation has become more and more urgent. The book by George Tziritas and Claude Labit exactly fullfils that need: it provides a clear, up-to-date and well documented and organized coverage of the field. It is also extremely timely, because of the unprecedented effort which is made to work out a set of international standards for the digital compression of moving pictures and television signals. These standards make a great use of motion estimation and compensation techniques, and they are going to be exploited on a large scale in multimedia applications as well as in intelligent systems.
The book by George Tziritas and Claude Labit is an important addition to the scientific literature. It can be used for education as well as engineering and research, and it will undoubtedly contribute to the development of imaging technology and its numerous applications.February 1994