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A compressed string matching algorithm for face recognition with partial occlusion
Springer Science and Business Media LLC - Tập 27 - Trang 191-203 - 2021
There has been less attention towards the research on face recognition with partial occlusion. Facial accessories such as masks, sunglasses, and caps, etc., cause partial occlusion which results in a significant performance drop of the face recognition system. In this paper, a novel compressed string matching algorithm based on run-length encoding (CSM-RL) is proposed to solve the partial occlusio...... hiện toàn bộ
Towards video-based immersive environments
Springer Science and Business Media LLC - Tập 5 - Trang 69-85 - 1997
Video provides a comprehensive visual record of environment activity over time. Thus, video data is an attractive source of information for the creation of virtual worlds which require some real-world fidelity. This paper describes the use of multiple streams of video data for the creation of immersive virtual environments. We outline our multiple perspective interactive video (MPI-Video) arch...... hiện toàn bộ
Embodiments, avatars, clones and agents for multi-user, multi-sensory virtual worlds
Springer Science and Business Media LLC - Tập 5 - Trang 93-104 - 1997
This paper explores the issue of user embodiment within collaborative virtual environments. By user embodiment we mean the provision of users with appropriate body images so as to represent them to others and also to themselves. By collaborative virtual environments we mean multi-user virtual reality systems which explicitly support cooperative work (although we argue that the results of our explo...... hiện toàn bộ
FedFV: federated face verification via equivalent class embeddings
Springer Science and Business Media LLC - Tập 28 - Trang 1833-1843 - 2022
Face verification models based on centralized training on large face datasets have achieved excellent performance on various test benchmarks. However, due to the increasingly sophisticated privacy protection law, centrally collecting large amount of face images becomes more difficult. We consider learning a face verification model in the federated setting, where each client has access to the face ...... hiện toàn bộ
Oriented grouping-constrained spectral clustering for medical imaging segmentation
Springer Science and Business Media LLC - Tập 26 - Trang 27-36 - 2019
Original medical images are often inadequate for clinical diagnosis. Certain prior information can be used as an important basis for disease diagnosis and prevention. In this study, an oriented grouping-constrained spectral clustering method, OGCSC, is proposed to deal with medical image segmentation problems. OGCSC propagates the group information from the affinity matrix and subdivides the group...... hiện toàn bộ
A new adaptive VR-based exergame for hand rehabilitation after stroke
Springer Science and Business Media LLC - Tập 29 - Trang 3385-3402 - 2023
The aim of this work is to present an adaptive serious game based on virtual reality (VR) for functional rehabilitation of the hand after stroke. The game focuses on simulating the palmar grasping exercise commonly used in clinical settings. The system’s design follows a user-centered approach, involving close collaboration with functional rehabilitation specialists and stroke patients. It uses th...... hiện toàn bộ
‘Podracing’: experimenting with mobile TV content consumption and delivery methods
Springer Science and Business Media LLC - Tập 14 - Trang 105-114 - 2008
Recently, mobile TV has been launched in several countries. While mobile TV integrates television contents into mobile phones, the most personal of communication devices, it becomes interesting to know how this feature will be used throughout the day and in varying contexts of everyday life. This paper presents empirical results on the use of mobile TV with different delivery mechanisms and both q...... hiện toàn bộ
Objective image fusion evaluation method for target recognition based on target quality factor
Springer Science and Business Media LLC - Tập 28 Số 2 - Trang 495-510 - 2022
A novel objective evaluation method for image fusion based on target quality factor is proposed from the point of view of target recognition. Three-component indicators named preservation degree of special features of the target, target edge quality and interference edge suppression ratio are defined. These component indicators can evaluate the quality of the target from three different aspects. P...... hiện toàn bộ
Hierarchical MVSNet with cost volume separation and fusion based on U-shape feature extraction
Springer Science and Business Media LLC - Tập 29 - Trang 377-387 - 2022
Multi-view stereo (MVS) methods based on deep learning have developed rapidly in recent years, but inaccuracies in reconstruction due to the general effect of feature extraction and poor correlation between cost volumes are still present, opening possibilities for improvement in reconstruction accuracy and completeness. We therefore develop a hierarchical MVS network model with cost volume separat...... hiện toàn bộ
CED-Net: contextual encoder–decoder network for 3D face reconstruction
Springer Science and Business Media LLC - Tập 28 Số 5 - Trang 1713-1722 - 2022
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