By Dacheng Tao
Multimedia looking and administration became renowned as a result of challenging functions and pageant between businesses. regardless of the rise in curiosity, there is not any current ebook overlaying uncomplicated wisdom on cutting-edge ideas in the box. Semantic Mining applied sciences for Multimedia Databases offers an creation to the newest recommendations in multimedia semantic mining essential to researchers new to the sector. This publication serves as a massive reference in multimedia for academicians, multimedia technologists and researchers, and educational libraries.
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The bit-rate variation technique from (FENG, Kwok-Tung, & MEHRPOUR, 1996) can also be combined with other techniques, such as those that use the DCT coefficients, to improve the detection (Divakaran, Ito, Sun, & Poon, 2003), (Boccignone, De Santo, & Percannella, 2000). D. Performance Evaluation There are two main performance aspects that need to be assessed when evaluating or comparing shotdetection techniques, as well as many other techniques. These two aspects are the accuracy and the computational complexity.
From the detected and classified shots, higher logical components in the logical video structure can be constructed, such as video scenes and segments. Those higher level components are usually more dependent on the application domain and more semantic information. However, it is worth mentioning that some recent efforts of scene detection have been reported in(M. H. Lee, Yoo, & Jang, 2006), (Rasheed & Shah, 2005), (Adjeroh & Lee, 2004). V. SUMMaand Video data are now available, and being easily generated, in large volumes.
On the other hand, it can be relatively more computationally expensive than the global histogram-based techniques. 4) Motion-Based In the previously discussed techniques, the main principle was finding the changes in some features of the contents of consecutive frames. This is, at least implicitly, based on the concept that the video can abstractly be considered as a sequence of individual frames or still images. However, the video sequence has more than just playing back a group of still images, otherwise, it can be considered as a uniform slide-presentation.