نتایج جستجو برای: keyframe extraction

تعداد نتایج: 165810  

2016
Ediz ŞAYKOL

Image mosaicing is a trendy research area in computer vision in recent years. Instead of images, video frames can be mosaiced to form a larger aggregate. In both cases, merging computations generally depend on the common parts in consecutive images, which are called overlapping regions. The presence of mobile devices with a camera provides higher image and video acquisition; hence video mosaici...

2018
Yuki Koyama Masataka Goto

The mission of animators is to create nuanced, high-quality character motions. To achieve this, the careful editing of animation curves—curves that determine how a series of keyframed poses are interpolated over time—is an important task. Manual editing affords full and precise control, but requires tedious and nonintuitive trials and errors. Numerical optimization can automate such exploration...

2014
Hyon Lim Jongwoo Lim H. Jin Kim

In this paper, we propose an approach to Simultaneous Localization and Mapping (SLAM) for RGB-D sensors. Our system computes 6-DoF pose and sparse feature map of the environment. We propose a novel keyframe selection scheme based on the Fisher information, and new loop closing method that utilizes feature-to-landmark correspondences inspired by image-based localization. As a result, the system ...

2015
John F. Schlag

Throughout the computer graphics literature, but in modeling and animation lore in particular, the prevalent attitude seems to be that scripting and interaction are ir· reconcilably different types of user interface. This paper propounds the belief that this dichotomy is a myth and gives examples of systems which encourage thi8 belief. Two of the systems described are a keyframe animation progr...

2000
L. M. Tanco Adrian Hilton

In this paper we present a system that can synthesise novel motion sequences from a database of motion capture examples. This is achieved through learning a statistical model from the captured data which enables realistic synthesis of new movements by sampling the original captured sequences. New movements are synthesised by specifying the start and end keyframes. The statistical model identifi...

2002
Pere-Pau Vázquez Mateu Sbert

The computation of high quality animation sequences is expensive Generation time for each frame can take a few hours Recently Image Based Rendering methods have been proposed to solve this problem As these techniques obtain new arbitrary views from precomputed ones at low cost walkthroughs may be computed faster Consequently the selection of the precomputed images is a very important step The i...

Journal: :Comput. Graph. Forum 2009
Volker Scholz Sascha El-Abed Hans-Peter Seidel Marcus A. Magnor

While there are various commercial-strength editing tools available today for still images, object-based manipulation of real-world video footage is still a challenging problem. In this system paper, we present a framework for interactive video editing. Our focus is on footage from a single, conventional video camera. By relying on spatiotemporal editing techniques operating on the video cube, ...

2015
Marco A. Hudelist Klaus Schöffmann Qing Xu

In this paper we propose the Keyframe Navigation Tree (KNT) as navigational aid in video for interactive search. The KNT is a hierarchical visualization of keyframes that can compactly represent the content of a video with different levels of details. It can be used as an alternative, or in addition, to a common seeker-bar of a video player. Through a user study with 20 participants we show tha...

Journal: :IJMDEM 2010
Maia Zaharieva Matthias Zeppelzauer Dalibor Mitrovic Christian Breiteneder

In this paper, the authors present an approach for video comparison, in which an instantiated framework allows for the easy comparison of different methods that are required at each step of the comparison process. The authors’ approach is evaluated based on a real world scenario of challenging video data of archive documentaries. In this paper, the performed experiments aim at the evaluation of...

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