中文
相关论文

相关论文: A Tiled-Table Convention for Compressing FITS Bina…

200 篇论文

We consider algorithms for going from a "full" matrix to a condensed "band bidiagonal" form using orthogonal transformations. We use the framework of "algorithms by tiles". Within this framework, we study: (i) the tiled bidiagonalization…

数学软件 · 计算机科学 2016-11-23 Mathieu Faverge , Julien Langou , Yves Robert , Jack Dongarra

In this paper, we propose an image compression algorithm called Microshift. We employ an algorithm hardware co-design methodology, yielding a hardware-friendly compression approach with low power consumption. In our method, the image is…

图像与视频处理 · 电气工程与系统科学 2021-04-21 Bo Zhang , Pedro V. Sander , Chi-Ying Tsui , Amine Bermak

Modern deep learning-based recommendation systems exploit hundreds to thousands of different categorical features, each with millions of different categories ranging from clicks to posts. To respect the natural diversity within the…

机器学习 · 计算机科学 2020-06-30 Hao-Jun Michael Shi , Dheevatsa Mudigere , Maxim Naumov , Jiyan Yang

The feature selection in a traditional binary classification algorithm is always used in the stage of dataset preprocessing, which makes the obtained features not necessarily the best ones for the classification algorithm, thus affecting…

机器学习 · 计算机科学 2024-01-30 Haoning Li , Cong Wang , Qinghua Huang

This paper presents a new algorithm for the lossy compression of scalar data defined on 2D or 3D regular grids, with topological control. Certain techniques allow users to control the pointwise error induced by the compression. However, in…

图像与视频处理 · 电气工程与系统科学 2018-02-09 Maxime Soler , Melanie Plainchault , Bruno Conche , Julien Tierny

Floating-point data is widely used across various domains. Depending on the required precision, each floating-point value can occupy several bytes. Lossless storage of this information is crucial due to its critical accuracy, as seen in…

数据库 · 计算机科学 2025-08-11 Samirasadat Jamalidinan , Kazem Cheshmi

We introduce model folding, a novel data-free model compression technique that merges structurally similar neurons across layers, significantly reducing the model size without the need for fine-tuning or access to training data. Unlike…

机器学习 · 计算机科学 2025-08-13 Dong Wang , Haris Šikić , Lothar Thiele , Olga Saukh

Optimization pipelines targeting polyhedral programs try to maximize the compute throughput. Traditional approaches favor reuse and temporal locality; while the communicated volume can be low, failure to optimize spatial locality may cause…

编程语言 · 计算机科学 2023-12-07 Corentin Ferry , Steven Derrien , Sanjay Rajopadhye

Tensors provide a robust framework for managing high-dimensional data. Consequently, tensor analysis has emerged as an active research area in various domains, including machine learning, signal processing, computer vision, graph analysis,…

统计计算 · 统计学 2025-10-01 Michele Gallo

The development of deep learning algorithms has extensively empowered humanity's task automatization capacity. However, the huge improvement in the performance of these models is highly correlated with their increasing level of complexity,…

计算机视觉与模式识别 · 计算机科学 2024-01-19 Eduarda Caldeira , Pedro C. Neto , Marco Huber , Naser Damer , Ana F. Sequeira

Binary embedding of high-dimensional data aims to produce low-dimensional binary codes while preserving discriminative power. State-of-the-art methods often suffer from high computation and storage costs. We present a simple and fast…

信息论 · 计算机科学 2016-01-26 Sung-Hsien Hsieh , Chun-Shien Lu , Soo-Chang Pei

Programs admitting a polyhedral representation can be transformed in many ways for locality and parallelism, notably loop tiling. Data flow analysis can then compute dependence relations between iterations and between tiles. When tiling is…

编程语言 · 计算机科学 2022-11-30 Corentin Ferry , Steven Derrien , Sanjay Rajopadhye

We revisit tree compression with top trees (Bille et al, ICALP'13) and present several improvements to the compressor and its analysis. By significantly reducing the amount of information stored and guiding the compression step using a…

数据结构与算法 · 计算机科学 2015-06-16 Lorenz Hübschle-Schneider , Rajeev Raman

Relational datasets are being generated at an alarmingly rapid rate across organizations and industries. Compressing these datasets could significantly reduce storage and archival costs. Traditional compression algorithms, e.g., gzip, are…

数据库 · 计算机科学 2016-06-21 Yihan Gao , Aditya Parameswaran

The JPEG algorithm is a defacto standard for image compression. We investigate whether adaptive mesh refinement can be used to optimize the compression ratio and propose a new adaptive image compression algorithm. We prove that it produces…

数值分析 · 数学 2023-04-05 Michael Feischl , Hubert Hackl

The rise of internet has resulted in an explosion of data consisting of millions of articles, images, songs, and videos. Most of this data is high dimensional and sparse. The need to perform an efficient search for similar objects in such…

数据结构与算法 · 计算机科学 2016-12-20 Raghav Kulkarni , Rameshwar Pratap

Compressed sensing is a promising technique that attempts to faithfully recover sparse signal with as few linear and nonadaptive measurements as possible. Its performance is largely determined by the characteristic of sensing matrix.…

信息论 · 计算机科学 2013-10-03 Weizhi Lu , Weiyu Li , Kidiyo Kpalma , Joseph Ronsin

In this thesis, we describe a new, practical approach to integrating hardware-based data compression within the memory hierarchy, including on-chip caches, main memory, and both on-chip and off-chip interconnects. This new approach is fast,…

硬件体系结构 · 计算机科学 2016-09-08 Gennady Pekhimenko

Data-driven approaches have been proposed as effective strategies for the inverse design and optimization of photonic structures in recent years. In order to assist data-driven methods for the design of topology of photonic devices, we…

光学 · 物理学 2020-03-18 Zhaocheng Liu , Zhaoming Zhu , Wenshan Cai

Bloom filters are widely used data structures that compactly represent sets of elements. Querying a Bloom filter reveals if an element is not included in the underlying set or is included with a certain error rate. This membership testing…

数据库 · 计算机科学 2022-08-08 Angjela Davitkova , Damjan Gjurovski , Sebastian Michel