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Modern video codecs have been extensively optimized to preserve perceptual quality, leveraging models of the human visual system. However, in split inference systems-where intermediate features from neural network are transmitted instead of…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Md Eimran Hossain Eimon , Ashan Perera , Juan Merlos , Velibor Adzic , Hari Kalva

Principal component analysis (PCA) is a widely used dimension reduction technique in machine learning and multivariate statistics. To improve the interpretability of PCA, various approaches to obtain sparse principal direction loadings have…

Data Structures and Algorithms · Computer Science 2021-06-07 Agniva Chowdhury , Petros Drineas , David P. Woodruff , Samson Zhou

Reconstructing a high-quality, animatable 3D human avatar with expressive facial and hand motions from a single image has gained significant attention due to its broad application potential. 3D human avatar reconstruction typically requires…

Computer Vision and Pattern Recognition · Computer Science 2025-08-04 Dongbin Zhang , Yunfei Liu , Lijian Lin , Ye Zhu , Yang Li , Minghan Qin , Yu Li , Haoqian Wang

We introduce PICA, a novel representation for high-fidelity animatable clothed human avatars with physics-accurate dynamics, even for loose clothing. Previous neural rendering-based representations of animatable clothed humans typically…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Bo Peng , Yunfan Tao , Haoyu Zhan , Yudong Guo , Juyong Zhang

Efficiently estimating the full-body pose with minimal wearable devices presents a worthwhile research direction. Despite significant advancements in this field, most current research neglects to explore full-body avatar estimation under…

Human-Computer Interaction · Computer Science 2024-07-03 Bo Qian , Zhenhuan Wei , Jiashuo Li , Xing Wei

Pre-training & fine-tuning is a prevalent paradigm in computer vision (CV). Recently, parameter-efficient transfer learning (PETL) methods have shown promising performance in adapting to downstream tasks with only a few trainable…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Dongshuo Yin , Xueting Han , Bin Li , Hao Feng , Jing Bai

Point-cloud-based 3D perception has attracted great attention in various applications including robotics, autonomous driving and AR/VR. In particular, the 3D sparse convolution (SpConv) network has emerged as one of the most popular…

Hardware Architecture · Computer Science 2023-08-21 Dongxu Lyu , Zhenyu Li , Yuzhou Chen , Jinming Zhang , Ningyi Xu , Guanghui He

We present UIKA, a feed-forward animatable Gaussian head model from an arbitrary number of pose-free inputs, including a single image, multi-view captures, and smartphone-captured videos. Unlike the traditional avatar method, which requires…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Zijian Wu , Boyao Zhou , Liangxiao Hu , Hongyu Liu , Yuan Sun , Xuan Wang , Xun Cao , Yujun Shen , Hao Zhu

Nowadays, the number of emerging embedded systems rapidly grows in many application domains, due to recent advances in artificial intelligence and internet of things. The main inherent specification of these application-specific systems is…

Hardware Architecture · Computer Science 2024-03-26 Mohsen Faryabi , Amir Hossein Moradi

Retrieval-Augmented Generation (RAG) has emerged as a powerful paradigm for grounding large language models in external knowledge sources, improving the precision of agents responses. However, high-dimensional language model embeddings,…

Machine Learning · Computer Science 2025-04-14 Arman Khaledian , Amirreza Ghadiridehkordi , Nariman Khaledian

Principal Component Analysis (PCA) is a dimensionality reduction technique widely used to reduce the computational cost associated with numerical simulations of combustion phenomena. However, PCA, which transforms the thermo-chemical state…

Human face exhibits an inherent hierarchy in its representations (i.e., holistic facial expressions can be encoded via a set of facial action units (AUs) and their intensity). Variational (deep) auto-encoders (VAE) have shown great results…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Dieu Linh Tran , Robert Walecki , Ognjen Rudovic , Stefanos Eleftheriadis , Bjørn Schuller , Maja Pantic

Quantum error correction (QEC) is essential for enabling quantum advantages, with decoding as a central algorithmic primitive. Owing to its importance and intrinsic difficulty, substantial effort has been made to QEC decoder design, among…

Quantum Physics · Physics 2026-05-13 Ge Yan , Shanchuan Li , Yuxuan Du

Principal Component Analysis (PCA) is a foundational technique in machine learning for dimensionality reduction of high-dimensional datasets. However, PCA could lead to biased outcomes that disadvantage certain subgroups of the underlying…

Machine Learning · Computer Science 2025-03-04 Junhui Shen , Aaron J. Davis , Ding Lu , Zhaojun Bai

Virtual reality (VR) can create compelling experiences that evoke presence, the sense of ``being there.'' However, problems in rendering can create sensorimotor disruptions that undermine presence and task performance. Presence is typically…

Human-Computer Interaction · Computer Science 2025-10-28 Lukas Gehrke , Leonie Terfurth , Klaus Gramann

VR Facial Animation is necessary in applications requiring clear view of the face, even though a VR headset is worn. In our case, we aim to animate the face of an operator who is controlling our robotic avatar system. We propose a real-time…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Andre Rochow , Max Schwarz , Michael Schreiber , Sven Behnke

In this paper, we rethink text-to-avatar generative models by proposing TeRA, a more efficient and effective framework than the previous SDS-based models and general large 3D generative models. Our approach employs a two-stage training…

Computer Vision and Pattern Recognition · Computer Science 2025-09-04 Yanwen Wang , Yiyu Zhuang , Jiawei Zhang , Li Wang , Yifei Zeng , Xun Cao , Xinxin Zuo , Hao Zhu

Autoregressive vision-language-action (VLA) models have recently demonstrated strong capabilities in robotic manipulation. However, their core process of action tokenization often involves a trade-off between reconstruction fidelity and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yicheng Liu , Shiduo Zhang , Zibin Dong , Baijun Ye , Tianyuan Yuan , Xiaopeng Yu , Linqi Yin , Chenhao Lu , Junhao Shi , Luca Jiang-Tao Yu , Liangtao Zheng , Tao Jiang , Jingjing Gong , Xipeng Qiu , Hang Zhao

Vision-Language-Action (VLA) models exhibit remarkable action generation for embodied intelligence, but their heavy compute make deployment on edge platforms impractical. Aggressive, sub-4-bit weight quantization is the natural solution,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Arash Akbari , Arman Akbari , Masih Eskandar , Qitao Tan , Yixiao Chen , Jingwu Luo , Bertha Pangaribuan , Liyun Zhang , Jennifer Dy , Geng Yuan , Xue Lin , Gaowen Liu , Stratis Ioannidis , Yanzhi Wang

We study robust PCA for the fully observed setting, which is about separating a low rank matrix $\boldsymbol{L}$ and a sparse matrix $\boldsymbol{S}$ from their sum $\boldsymbol{D}=\boldsymbol{L}+\boldsymbol{S}$. In this paper, a new…

Information Theory · Computer Science 2021-06-29 HanQin Cai , Jian-Feng Cai , Ke Wei