نتایج جستجو برای: keyframe extraction

تعداد نتایج: 165810  

Journal: :Computers, materials & continua 2021

Violence recognition is crucial because of its applications in activities related to security and law enforcement. Existing semi-automated systems have issues such as tedious manual surveillances, which causes human errors makes these less effective. Several approaches been proposed using trajectory-based, non-object-centric, deep-learning-based methods. Previous studies shown that deep learnin...

Journal: :Electronics 2021

From a video coding perspective, there are two challenges when performing live distribution over error-prone networks, such as wireless networks: random access and packet loss repair. There is scarceness of solutions that do not impact steady-state usage users with reliable connections. The proposed solution minimizes this by complementing compression-efficient stream companion solely consistin...

2011
Yaolong Huang Chao Ma Haobo Ma Yalong Yang Yang Yu Jun Song Jianrong Wang

In this paper we decribe the main features and new ideas incorporated in NeverMore 3D soccer simulation team, which will participate in RoboCup 2011 competition in Istanbul, Turkey. In the design of NeverMore agent, we layered the agent into two levels hierarchically. We proposed a new concept ‘KeyFrame’ in behavior generation. An HTNbased planner of our agent was also implemented as the strate...

Journal: :IEEE Transactions on Visualization and Computer Graphics 2015

Journal: :ACM Transactions on Multimedia Computing, Communications, and Applications 2011

1990
Daniel Thalmann

The first approach corresponds to methods heavily relied upon by the animator: rotoscopy, shape transformation, parametric keyframe animation (see Chapter 8). The second way guarantees a realistic motion by using kinematics and dynamics. The problem with this type of animation is controlling the motion produced. The third type of animation is called behavioral animation and takes into account t...

2002
Jonathan Foote Matthew L. Cooper Lynn Wilcox

We present a method for rapidly and robustly extracting audio excerpts without the overhead of speech recognition or speaker segmentation. An immediate application is to automatically augment keyframe-based video summaries with informative audio excerpts associated with the video segments represented by the keyframes. Short audio clips combined with keyframes comprise an extremely lightweight a...

2002
Björn Hartmann Maurizio Mancini Catherine Pelachaud

This paper introduces Gesture Engine, an animation system that synthesizes human gesturing behaviors from augmented conversation transcripts using a database of highlevel gesture definitions. An abstract scripting language to specify hand-arm gestures is introduced that incorporates knowledge from sign language research, psycholinguistics, and traditional keyframe animation. A new planning algo...

Journal: :Comput. Graph. Forum 2009
Hironori Mitake Kazuyuki Asano Takafumi Aoki Marc Salvati Makoto Sato Shoichi Hasegawa

Various forms of art and entertainment involve many different characters, and advances in human interfaces have necessitated physical interactions in order to develop an improved sense of reality. In this paper we propose a method for generating the motions of characters using multidimensional keyframe animation in parallel with real-time physical simulation. The method generates characters cap...

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