Exploration of Visual Data presents latest research efforts in the
area of content-based exploration of image and video data. The main
objective is to bridge the semantic gap between high-level concepts
in the human mind and low-level features extractable by the
machines.
The two key issues emphasized are "content-awareness" and
"user-in-the-loop." The authors provide a comprehensive review on
algorithms for visual feature extraction based on color, texture,
shape, and structure, and techniques for incorporating such
information to aid browsing, exploration, search, and streaming of
image and video data. They also discuss issues related to the mixed
use of textual and low-level visual features to facilitate more
effective access of multimedia data.
To bridge the semantic gap, significant recent research efforts
have also been put on learning during user interactions, which is
also known as "relevance feedback." The difficulty and challenge
also come from the personalized information need of each user and a
small amount of feedbacks the machine could obtain through
real-time user interaction. The authors present and discuss several
recently proposed classification and learning techniques that are
specifically designed for this problem, with kernel- and
boosting-based approaches for nonlinear extensions.
Exploration of Visual Data provides state-of-the-art materials
on the topics of content-based description of visual data,
content-based low-bitrate video streaming, and latest asymmetric
and nonlinear relevance feedback algorithms, which to date are
unpublished.
Exploration of Visual Data will be of interest to researchers,
practitioners, and graduate-level students in theareas of
multimedia information systems, multimedia databases, computer
vision, machine learning.
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