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Variational inference (VI) has become the method of choice for fitting many modern probabilistic models. However, practitioners are faced with a fragmented literature that offers a bewildering array of algorithmic options. First, the…

Machine Learning · Statistics 2018-11-29 Thang D. Bui , Cuong V. Nguyen , Siddharth Swaroop , Richard E. Turner

In this paper, we present a novel algorithm for the maximum a posteriori decoding (MAPD) of time-homogeneous Hidden Markov Models (HMM), improving the worst-case running time of the classical Viterbi algorithm by a logarithmic factor. In…

Machine Learning · Computer Science 2015-12-14 Massimo Cairo , Gabriele Farina , Romeo Rizzi

Sequential Visual Place Recognition (Seq-VPR) leverages transformers to capture spatio-temporal features effectively. In practice, a transformer-based Seq-VPR model should be flexible to the number of frames per sequence (seq- length),…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Yu Kiu , Lau , Chao Chen , Ge Jin , Chen Feng

Scene text removal (STR) aims at replacing text strokes in natural scenes with visually coherent backgrounds. Recent STR approaches rely on iterative refinements or explicit text masks, resulting in high complexity and sensitivity to the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Dezhi Peng , Chongyu Liu , Yuliang Liu , Lianwen Jin

Deep learning models are increasingly utilized on resource-constrained edge devices for real-time data analytics. Recently, Vision Transformer and their variants have shown exceptional performance in various computer vision tasks. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Xiang Liu , Yijun Song , Xia Li , Yifei Sun , Huiying Lan , Zemin Liu , Linshan Jiang , Jialin Li

Recent years have witnessed the great success of vision transformer (ViT), which has achieved state-of-the-art performance on multiple computer vision benchmarks. However, ViT models suffer from vast amounts of parameters and high…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Guanyu Xu , Zhiwei Hao , Yong Luo , Han Hu , Jianping An , Shiwen Mao

The recent success of Deep Neural Networks (DNNs) has drastically improved the state of the art for many application domains. While achieving high accuracy performance, deploying state-of-the-art DNNs is a challenge since they typically…

Neural and Evolutionary Computing · Computer Science 2018-01-24 Hokchhay Tann , Soheil Hashemi , Sherief Reda

In this paper, a new and novel data structure is proposed to dynamically insert and delete segments. Unlike the standard segment trees[3], the proposed data structure permits insertion of a segment with interval range beyond the interval…

Computational Geometry · Computer Science 2015-01-15 K. S. Easwarakumar , T. Hema

A pragmatic approach for the construction of space-time codes over block fading channels is investigated. The approach consists in using common convolutional encoders and Viterbi decoders with suitable generators and rates, thus greatly…

Information Theory · Computer Science 2007-07-13 Marco Chiani , Andrea Conti , Velio Tralli

Deep neural networks are powerful, yet their high complexity greatly limits their potential to be deployed on billions of resource-constrained edge devices. Pruning is a crucial network compression technique, yet most existing methods focus…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Qizhen Lan , Jung Im Choi , Qing Tian

VT (Viterbi training), or hard EM, is an efficient way of parameter learning for probabilistic models with hidden variables. Given an observation $y$, it searches for a state of hidden variables $x$ that maximizes $p(x,y \mid \theta)$ by…

Artificial Intelligence · Computer Science 2020-02-19 Taisuke Sato , Keiichi Kubota

Edge computing is increasingly proposed as a solution for reducing resource consumption of mobile devices running simultaneous localization and mapping (SLAM) algorithms, with most edge-assisted SLAM systems assuming the communication…

Systems and Control · Electrical Eng. & Systems 2023-01-12 Ying Chen , Hazer Inaltekin , Maria Gorlatova

FLASH is a publicly available high performance application code which has evolved into a modular, extensible software system from a collection of unconnected legacy codes. FLASH has been successful because its capabilities have been driven…

Software Engineering · Computer Science 2014-09-10 A. Dubey , L. B. Reid , K. Weide , K. Antypas , M. K. Ganapathy , K. Riley , D. Sheeler , A. Siegal

Visual localization algorithms have achieved significant improvements in performance thanks to recent advances in camera technology and vision-based techniques. However, there remains one critical caveat: all current approaches that are…

Computer Vision and Pattern Recognition · Computer Science 2019-07-01 Huu Le , Tuan Hoang , Michael Milford

The Viterbi algorithm, presented in 1967, allows a maximum likelihood decoding of partial response codes. This study focuses on the duobinary code which is the first member of this family and has been specified for the digital part of…

Information Theory · Computer Science 2022-09-07 Henri Mertens , Marc Van Droogenbroeck

Vision Transformers (ViTs) have demonstrated remarkable potential in image processing tasks by utilizing self-attention mechanisms to capture global relationships within data. However, their scalability is hindered by significant…

Machine Learning · Computer Science 2026-02-25 Huy Trinh , Rebecca Ma , Zeqi Yu , Tahsin Reza

The ever-growing multimedia traffic has underscored the importance of effective multimedia codecs. Among them, the up-to-date lossy video coding standard, Versatile Video Coding (VVC), has been attracting attentions of video coding…

Image and Video Processing · Electrical Eng. & Systems 2022-05-10 Tiesong Zhao , Yuhang Huang , Weize Feng , Yiwen Xu , Sam Kwong

This work addresses the challenge of adapting dynamic deadline requirements for LiDAR object detection deep neural networks (DNNs). The computing latency of object detection is critically important to ensure safe and efficient navigation.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Ahmet Soyyigit , Shuochao Yao , Heechul Yun

In many real datasets such as social media streams and cyber data sources, graphs change over time through a graph update stream of edge insertions and deletions. Detecting critical patterns in such dynamic graphs plays an important role in…

Databases · Computer Science 2021-04-05 Seunghwan Min , Sung Gwan Park , Kunsoo Park , Dora Giammarresi , Giuseppe F. Italiano , Wook-Shin Han

Vertebrae localization, segmentation and identification in CT images is key to numerous clinical applications. While deep learning strategies have brought to this field significant improvements over recent years, transitional and…

Image and Video Processing · Electrical Eng. & Systems 2022-06-27 Di Meng , Edmond Boyer , Sergi Pujades