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The applicability of Virtual Reality for evaluating engineering analysis results is beginning to receive increased appreciation in the last years. The problem many engineers are still facing is how to import their model together with the…

Graphics · Computer Science 2013-08-28 Stoyan Maleshkov , Dimo Chotrov

Despite significant advances in talking avatar generation, existing methods face critical challenges: insufficient text-following capability for diverse actions, lack of temporal alignment between actions and audio content, and dependency…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Ziqiao Peng , Yi Chen , Yifeng Ma , Guozhen Zhang , Zhiyao Sun , Zixiang Zhou , Youliang Zhang , Zhengguang Zhou , Zhaoxin Fan , Hongyan Liu , Yuan Zhou , Qinglin Lu , Jun He

Vision-Language-Action (VLA) models have demonstrated strong multi-modal reasoning capabilities, enabling direct action generation from visual perception and language instructions in an end-to-end manner. However, their substantial…

Robotics · Computer Science 2025-10-22 Siyu Xu , Yunke Wang , Chenghao Xia , Dihao Zhu , Tao Huang , Chang Xu

Despite recent progress in video generation, inference speed remains a major bottleneck. A common acceleration strategy involves reusing model outputs via caching mechanisms at fixed intervals. However, we find that such fixed-frequency…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Zishen Huang , Chunyu Yang , Mengyuan Ren

Current expressive avatar systems rely heavily on visual cues, failing when faces are occluded or when emotions remain internal. We present Mind-to-Face, the first framework that decodes non-invasive electroencephalogram (EEG) signals…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Haolin Xiong , Tianwen Fu , Pratusha Bhuvana Prasad , Yunxuan Cai , Haiwei Chen , Wenbin Teng , Hanyuan Xiao , Yajie Zhao

We present a novel method for reconstructing personalized 3D human avatars with realistic animation from only a few images. Due to the large variations in body shapes, poses, and cloth types, existing methods mostly require hours of…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Rong Wang , Fabian Prada , Ziyan Wang , Zhongshi Jiang , Chengxiang Yin , Junxuan Li , Shunsuke Saito , Igor Santesteban , Javier Romero , Rohan Joshi , Hongdong Li , Jason Saragih , Yaser Sheikh

Principal component analysis (PCA) is a widely used unsupervised dimensionality reduction technique in machine learning, applied across various fields such as bioinformatics, computer vision and finance. However, when the response variables…

Applications · Statistics 2025-06-25 Theodosios Papazoglou , Guosheng Yin

Autoencoders (AE) provide a useful method for nonlinear dimensionality reduction but are ill-suited for low data regimes. Conversely, Principal Component Analysis (PCA) is data-efficient but is limited to linear dimensionality reduction,…

Vision-Language-Action (VLA) models, particularly diffusion-based architectures, demonstrate transformative potential for embodied intelligence but are severely hampered by high computational and memory demands stemming from extensive…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Yantai Yang , Yuhao Wang , Zichen Wen , Luo Zhongwei , Chang Zou , Zhipeng Zhang , Chuan Wen , Linfeng Zhang

Despite recent progress in 3D Gaussian-based head avatar modeling, efficiently generating high fidelity avatars remains a challenge. Current methods typically rely on extensive multi-view capture setups or monocular videos with per-identity…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Xinya Ji , Sebastian Weiss , Manuel Kansy , Jacek Naruniec , Xun Cao , Barbara Solenthaler , Derek Bradley

Photo-realistic human avatars have broad applications, yet high-fidelity avatar generation has traditionally required expensive professional camera rigs and extensive artistic labor. Recent research has enabled constructing them…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Akash Haridas , Imran N. Junejo

Embodied Question Answering (EQA) is an essential yet challenging task for robot assistants. Large vision-language models (VLMs) have shown promise for EQA, but existing approaches either treat it as static video question answering without…

Robotics · Computer Science 2025-08-12 Kai Cheng , Zhengyuan Li , Xingpeng Sun , Byung-Cheol Min , Amrit Singh Bedi , Aniket Bera

Steady-state visual evoked potentials (SSVEP) brain-computer interface (BCI) provides reliable responses leading to high accuracy and information throughput. But achieving high accuracy typically requires a relatively long time window of…

Machine Learning · Computer Science 2020-05-13 Aung Aung Phyo Wai , Yangsong Zhang , Heng Guo , Ying Chi , Lei Zhang , Xian-Sheng Hua , Seong Whan Lee , Cuntai Guan

With the increasing complexity of generative AI models, post-training quantization (PTQ) has emerged as a promising solution for deploying hyper-scale models on edge devices such as mobile and TVs. Existing PTQ schemes, however, consume…

Machine Learning · Computer Science 2024-11-06 Junhan Kim , Chungman Lee , Eulrang Cho , Kyungphil Park , Ho-young Kim , Joonyoung Kim , Yongkweon Jeon

3D head avatars built with neural implicit volumetric representations have achieved unprecedented levels of photorealism. However, the computational cost of these methods remains a significant barrier to their widespread adoption,…

Computer Vision and Pattern Recognition · Computer Science 2024-04-03 Ziqian Bai , Feitong Tan , Sean Fanello , Rohit Pandey , Mingsong Dou , Shichen Liu , Ping Tan , Yinda Zhang

We present GenLCA, a diffusion-based generative model for generating and editing photorealistic full-body avatars from text and image inputs. The generated avatars are faithful to the inputs, while supporting high-fidelity facial and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Yiqian Wu , Rawal Khirodkar , Egor Zakharov , Timur Bagautdinov , Lei Xiao , Zhaoen Su , Shunsuke Saito , Xiaogang Jin , Junxuan Li

Judging by popular and generic computer vision challenges, such as the ImageNet or PASCAL VOC, neural networks have proven to be exceptionally accurate in recognition tasks. However, state-of-the-art accuracy often comes at a high…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Daniel Rivas , Francesc Guim , Jordà Polo , Pubudu M. Silva , Josep Ll. Berral , David Carrera

Sparse volumetric reconstruction and rendering via 3D Gaussian splatting have recently enabled animatable 3D head avatars that are rendered under arbitrary viewpoints with impressive photorealism. Today, such photoreal avatars are seen as a…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Gengyan Li , Paulo Gotardo , Timo Bolkart , Stephan Garbin , Kripasindhu Sarkar , Abhimitra Meka , Alexandros Lattas , Thabo Beeler

Kernel principal component analysis (KPCA) is a well-recognized nonlinear dimensionality reduction method that has been widely used in nonlinear fault detection tasks. As a kernel trick-based method, KPCA inherits two major problems. First,…

Machine Learning · Computer Science 2024-10-28 Zelin Ren , Xuebing Yang , Yuchen Jiang , Wensheng Zhang

We introduce CAPA, a parameter-efficient test-time optimization framework that adapts pre-trained 3D foundation models (FMs) for depth completion, using sparse geometric cues. Unlike prior methods that train task-specific encoders for…

Computer Vision and Pattern Recognition · Computer Science 2026-02-17 Bingxin Ke , Qunjie Zhou , Jiahui Huang , Xuanchi Ren , Tianchang Shen , Konrad Schindler , Laura Leal-Taixé , Shengyu Huang