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LiDAR point clouds are fundamental to various applications, yet the extreme sparsity of high-precision geometric details hinders efficient context modeling, thereby limiting the compression speed and performance of existing methods. To…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Pengpeng Yu , Haoran Li , Runqing Jiang , Dingquan Li , Jing Wang , Liang Lin , Yulan Guo

Genomic sequence alignment is an important research topic in bioinformatics and continues to attract significant efforts. As genomic data grow exponentially, however, most of alignment methods face challenges due to their huge computational…

Computational Engineering, Finance, and Science · Computer Science 2018-06-07 Hanyu Jiang , Narayan Ganesan , Yu-Dong Yao

JPEG is one of the most popular image compression methods. It is beneficial to compress those existing JPEG files without introducing additional distortion. In this paper, we propose a deep learning based method to further compress JPEG…

Image and Video Processing · Electrical Eng. & Systems 2023-08-28 Lina Guo , Yuanyuan Wang , Tongda Xu , Jixiang Luo , Dailan He , Zhenjun Ji , Shanshan Wang , Yang Wang , Hongwei Qin

This paper optimizes the Convolutional Neural Network (CNN) algorithm using high-performance computing (HPC) technologies. It uses multi-core processors, GPUs, and parallel computing frameworks like OpenMPI and CUDA to speed up CNN model…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-03-11 Shahrin Rahman

Computing at the edge offers intriguing possibilities for the development of autonomy and artificial intelligence. The advancements in autonomous technologies and the resurgence of computer vision have led to a rise in demand for fast and…

Computer Vision and Pattern Recognition · Computer Science 2020-07-23 Martina Lofqvist , José Cano

Due to 5G deployment, there is significant interest in LDPC decoding. While much research is devoted on efficient hardwiring of algorithms based on Belief Propagation (BP), it has been shown that LDPC decoding can be formulated as a…

Information Theory · Computer Science 2023-12-06 Uday Kumar Reddy Vengalam , Andrew Hahn , Yongchao Liu , Anshujit Sharma , Hui Wu , Michael Huang

Tensor decomposition has been widely used in machine learning and high-volume data analysis. However, large-scale tensor factorization often consumes huge memory and computing cost. Meanwhile, modernized computing hardware such as tensor…

Optimization and Control · Mathematics 2022-09-12 Zi Yang , Junnan Shan , Zheng Zhang

Sparse tensors appear in many large-scale applications with multidimensional and sparse data. While multidimensional sparse data often need to be processed on manycore processors, attempts to develop highly-optimized GPU-based…

Mathematical Software · Computer Science 2017-12-18 Bangtian Liu , Chengyao Wen , Anand D. Sarwate , Maryam Mehri Dehnavi

Increased reliance on graphics processing units (GPUs) for high-intensity computing tasks raises challenges regarding energy consumption. To address this issue, dynamic voltage and frequency scaling (DVFS) has emerged as a promising…

Performance · Computer Science 2024-07-19 Qiang Wang , Laiyi Li , Weile Luo , Yijia Zhang , Bingqiang Wang

Rapidly increasing data sizes in scientific computing are the driving force behind the need for lossy compression. The main drawback of lossy data compression is the introduction of error. This paper explains why many error-bounded…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-23 Alex Fallin , Martin Burtscher

This paper delves into recent hardware implementations of the Lempel-Ziv 4 (LZ4) algorithm, highlighting two key factors that limit the throughput of single-kernel compressors. Firstly, the actual parallelism exhibited in single-kernel…

Hardware Architecture · Computer Science 2024-09-20 Tao Chen , Suwen Song , Zhongfeng Wang

In fault-tolerant quantum computing, soft outputs from real-time decoders play a crucial role in improving decoding accuracy, post-selecting magic states, and accelerating lattice surgery. A recent paper by Meister et al. [arXiv:2405.07433…

Quantum Physics · Physics 2026-02-04 Kaito Kishi , Riki Toshio , Jun Fujisaki , Hirotaka Oshima , Shintaro Sato , Keisuke Fujii

This paper proposes a novel model of the two-level scalar quantizer with extended Huffman coding. It is designed for the average bit rate to approach the source entropy as close as possible provided that the signal to quantization noise…

Information Theory · Computer Science 2012-12-21 Zoran Peric , Jelena Nikolic , Lazar Velimirovic , Miomir Stankovic , Danijela Aleksic

Data encoding is a fundamental step in emerging computing paradigms, particularly in stochastic computing (SC) and hyperdimensional computing (HDC), where it plays a crucial role in determining the overall system performance and hardware…

Emerging Technologies · Computer Science 2025-01-07 Mehran Shoushtari Moghadam , Sercan Aygun , M. Hassan Najafi

Huffman coding is known to be optimal, yet its dynamic version may be even more efficient in practice. A new variant of Huffman encoding has been proposed recently, that provably always performs better than static Huffman coding by at least…

Data Structures and Algorithms · Computer Science 2020-05-19 Aharon Fruchtman , Yoav Gross , Shmuel T. Klein , Dana Shapira

Storage systems often rely on multiple copies of the same compressed data, enabling recovery in case of binary data errors, of course, at the expense of a higher storage cost. In this paper we show that a wiser method of duplication entails…

Multimedia · Computer Science 2019-02-08 Yehuda Dar , Alfred M. Bruckstein

At the present scenario of the internet, there exist many optimization techniques to improve the Web speed but almost expensive in terms of bandwidth. So after a long investigation on different techniques to compress the data without any…

Information Theory · Computer Science 2014-05-20 Hemant Kumar Saini , Satpal Singh Kushwaha , C. Rama Krishna

We present a practical strategy that aims to attain rate points on the dominant face of the multiple access channel capacity using a standard low complexity decoder. This technique is built upon recent theoretical developments of Zhu and…

Information Theory · Computer Science 2018-01-01 Erixhen Sula , Jingge Zhu , Adriano Pastore , Sung Hoon Lim , Michael Gastpar

There is a proliferation in the number of satellites launched each year, resulting in downlinking of terabytes of data each day. The data received by ground stations is often unprocessed, making this an expensive process considering the…

Computer Vision and Pattern Recognition · Computer Science 2021-07-09 Martina Lofqvist , José Cano

Point-based 3D point cloud models employ computation and memory intensive mapping functions alongside NN layers for classification/segmentation, and are executed on server-grade GPUs. The sparse, and unstructured nature of 3D point cloud…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-30 Amur Saqib Pal , Muhammad Mohsin Ghaffar , Faisal Shafait , Christian Weis , Norbert Wehn
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