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作者:C. Y. Ren , V. A. Prisacariu , O. Kähler ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.124 (1), pp.80-95
摘要:We describe a novel probabilistic framework for real-time tracking of multiple objects from combined depth-colour imagery. Object shape is represented implicitly using 3D signed distance functions. Probabilistic generative models based on these functions are developed to account ...
作者:Chi Xu , Lakshmi Narasimhan Govindarajan , Yu Zhang ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.123 (3), pp.454-478
摘要:Pose estimation, tracking, and action recognition of articulated objects from depth images are important and challenging problems, which are normally considered separately. In this paper, a unified paradigm based on Lie group theory is proposed, which enables us to collectively a...
作者:Shuang Wu , Hua Yang , Shibao Zheng ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.123 (3), pp.499-519
摘要:In the field of crowd behavior analysis, existing methods mainly focus on using local representations inspired by models found in other disciplines (e.g., fluid dynamics and social dynamics) to describe motion patterns. However, less attention is paid to exploiting motion structu...
作者:Aishwarya Agrawal , Jiasen Lu , Stanislaw Antol ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.123 (1), pp.4-31
摘要:We propose the task of free-form and open-ended Visual Question Answering (VQA). Given an image and a natural language question about the image, the task is to provide an accurate natural language answer. Mirroring real-world scenarios, such as helping the visually impaired, both...
作者:Amin Jourabloo , Xiaoming Liu
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.124 (2), pp.187-203
摘要:Pose-invariant face alignment is a very challenging problem in computer vision, which is used as a prerequisite for many facial analysis tasks, e.g., face recognition, expression recognition, and 3D face reconstruction. Recently, there have been a few attempts to tackle this prob...
作者:Lingxi Xie , Jingdong Wang , Weiyao Lin ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.123 (2), pp.226-250
摘要:State-of-the-art image classification approaches are mainly based on robust image representation, such as the bag-of-features (BoF) model or the convolutional neural network (CNN) architecture. In real applications, the orientation (left/right) of an image or an object might vary...
作者:Dafei Huang , Lei Luo , Zhaoyun Chen ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.122 (3), pp.524-541
摘要:The newly proposed correlation filter based trackers can achieve appealing performance despite their great simplicity and superior speed. However, this kind of object trackers is not born with scale and aspect ratio adaptability, thus resulting in suboptimal tracking accuracy. To...
作者:Dinesh Jayaraman , Kristen Grauman
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.125 (1-3), pp.136-161
摘要:Understanding how images of objects and scenes behave in response to specific egomotions is a crucial aspect of proper visual development, yet existing visual learning methods are conspicuously disconnected from the physical source of their images. We propose a new “embodied...
作者:Fares Alnajar , Theo Gevers , Roberto Valenti ...
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.124 (2), pp.223-236
摘要:We present a novel method to auto-calibrate gaze estimators based on gaze patterns obtained from other viewers. Our method is based on the observation that the gaze patterns of humans are indicative of where a new viewer will look at. When a new viewer is looking at a stimulus, w...
作者:Benjamin Hughes , Tilo Burghardt
来源:[J].International Journal of Computer Vision(IF 3.623), 2017, Vol.122 (3), pp.542-557
摘要:This paper discusses the automated visual identification of individual great white sharks from dorsal fin imagery. We propose a computer vision photo ID system and report recognition results over a database of thousands of unconstrained fin images. To the best of our knowled...

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