نتایج جستجو برای: abrupt change

تعداد نتایج: 601788  

2003
Wei-Kuang Li Shang-Hong Lai

Video segmentation is fundamental to a number of applications related to video retrieval and analysis. Shot change detection is the initial step of video segmentation and indexing. There are two basic types of shot changes. One is the abrupt change or cut, and the other is the gradual shot transition. The smooth variations of the video feature values in a gradual transition produced by the edit...

Journal: :J. Visual Communication and Image Representation 2001
Byung Cheol Song Jong Beom Ra

Automatic shot change detection has been recognized as an important research issue for video classification. This paper proposes an automatic clustering-based algorithm for shot change detection in MPEG-compressed videos with a small number of user-defined parameters. For accurate detection of abrupt and gradual shot changes, the proper selection and extraction of features are important. We fir...

2006
Ohad Greenshpan

What is a "SHOT"? What we are looking for Shot – an abrupt change in the scene i.e. change of scene, change of camera angle (change of active camera). Shot detection in video is also called – video segmentation. If we compare stills image segmentation to video segmentation, then the homogeneous regions in image are homogeneous sequences in video and boundaries in images are actually the shots i...

Journal: :Journal of the Japan Society of Powder and Powder Metallurgy 2007

Journal: :International Journal of Plasticity 2021

The plastic deformation behavior under various strain-path changes in an A6022-T4 Al alloy sheet was studied, focusing on the evolution of direction strain rate ? and stress ratio ? after abrupt changes. A cruciform specimen used to measure change experimentally. Before change, represented well by associated flow rule with Yld2000-2d yield function isotropic hardening assumption. After abrupt-p...

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