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As the use of neuromorphic, event-based vision sensors expands, the need for compression of their output streams has increased. While their operational principle ensures event streams are spatially sparse, the high temporal resolution of…

计算机视觉与模式识别 · 计算机科学 2024-03-14 Daniel C. Stumpp , Himanshu Akolkar , Alan D. George , Ryad Benosman

We present Dv2v, a new dynamic (one-pass) variable-to-variable compressor. Variable-to-variable compression aims at using a modeler that gathers variable-length input symbols and a variable-length statistical coder that assigns shorter…

数据结构与算法 · 计算机科学 2019-11-12 Nieves R. Brisaboa , Antonio Fariña , Adrián Gómez-Brandón , Gonzalo Navarro , Tirso V. Rodeiro

With neural networks growing deeper and feature maps growing larger, limited communication bandwidth with external memory (or DRAM) and power constraints become a bottleneck in implementing network inference on mobile and edge devices. In…

计算机视觉与模式识别 · 计算机科学 2023-09-08 Shanzhi Yin , Tongda Xu , Yongsheng Liang , Yuanyuan Wang , Yanghao Li , Yan Wang , Jingjing Liu

In GPU-accelerated data analytics, the overhead of data transfer from CPU to GPU becomes a performance bottleneck when the data scales beyond GPU memory capacity due to the limited PCIe bandwidth. Data compression has come to rescue for…

数据库 · 计算机科学 2026-02-10 Gwangoo Yeo , Zhiyang Shen , Wei Cui , Matteo Interlandi , Rathijit Sen , Bailu Ding , Qi Chen , Minsoo Rhu

As recently demonstrated, Deep Neural Networks (DNN), usually trained using single precision IEEE 754 floating point numbers (binary32), can also work using lower precision. Therefore, 16-bit and 8-bit compressed format have attracted…

Internet of Things (IoT) devices and applications are generating and communicating vast quantities of data, and the rate of data collection is increasing rapidly. These high communication volumes are challenging for energy-constrained,…

网络与互联网体系结构 · 计算机科学 2021-01-01 Themis Melissaris , Kelly Shaw , Margaret Martonosi

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

Token compression aims to speed up large-scale vision transformers (e.g. ViTs) by pruning (dropping) or merging tokens. It is an important but challenging task. Although recent advanced approaches achieved great success, they need to…

计算机视觉与模式识别 · 计算机科学 2023-05-30 Mengzhao Chen , Wenqi Shao , Peng Xu , Mingbao Lin , Kaipeng Zhang , Fei Chao , Rongrong Ji , Yu Qiao , Ping Luo

Although deep learning based image compression methods have achieved promising progress these days, the performance of these methods still cannot match the latest compression standard Versatile Video Coding (VVC). Most of the recent…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Yueqi Xie , Ka Leong Cheng , Qifeng Chen

The last two decades have seen tremendous growth in data collections because of the realization of recent technologies, including the internet of things (IoT), E-Health, industrial IoT 4.0, autonomous vehicles, etc. The challenge of data…

信息论 · 计算机科学 2022-10-03 Vidhi Agrawal , Gajraj Kuldeep , Dhananjoy Dey

Thanks to the rapid proliferation of connected devices, sensor-generated time series constitute a large and growing portion of the world's data. Often, this data is collected from distributed, resource-constrained devices and centralized at…

性能 · 计算机科学 2018-08-09 Davis Blalock , Samuel Madden , John Guttag

In this paper a streaming weak-SINDy algorithm is developed specifically for compressing streaming scientific data. The production of scientific data, either via simulation or experiments, is undergoing an stage of exponential growth, which…

机器学习 · 计算机科学 2024-10-04 Benjamin P. Russo , M. Paul Laiu , Richard Archibald

In recent years, the demand of image compression models for machine vision has increased dramatically. However, the training frameworks of image compression still focus on the vision of human, maintaining the excessive perceptual details,…

图像与视频处理 · 电气工程与系统科学 2025-12-24 Hyeonjin Lee , Jun-Hyuk Kim , Jong-Seok Lee

We propose an efficient batching strategy for variable-length decoding on GPU architectures. During decoding, when candidates terminate or are pruned according to heuristics, our streaming approach periodically "refills" the batch before…

计算与语言 · 计算机科学 2021-08-17 Kevin Yang , Violet Yao , John DeNero , Dan Klein

Video compression systems must support increasing bandwidth and data throughput at low cost and power, and can be limited by entropy coding bottlenecks. Efficiency can be greatly improved by parallelizing coding, which can be done at much…

图像与视频处理 · 电气工程与系统科学 2023-12-05 Amir Said , Hoang Le , Farzad Farhadzadeh

Compressed bitmap indexes are used in databases and search engines. Many bitmap compression techniques have been proposed, almost all relying primarily on run-length encoding (RLE). However, on unsorted data, we can get superior performance…

数据库 · 计算机科学 2018-03-05 Daniel Lemire , Gregory Ssi-Yan-Kai , Owen Kaser

With the explosion of the size of digital dataset, the limiting factor for decomposition algorithms is the \emph{number of passes} over the input, as the input is often stored out-of-core or even off-site. Moreover, we're only interested in…

数值分析 · 计算机科学 2016-08-14 Radim Řeh{ů}řek

Many common document formats on the Internet are text-only such as email (MIME) and the Web (HTML, JavaScript, JSON and XML). To include images or executable code in these documents, we first encode them as text using base64. Standard…

分布式、并行与集群计算 · 计算机科学 2020-01-08 Wojciech Muła , Daniel Lemire

We present WiscSort, a new approach to high-performance concurrent sorting for existing and future byte-addressable storage (BAS) devices. WiscSort carefully reduces writes, exploits random reads by splitting keys and values during sorting,…

Vision agent memory has shown remarkable effectiveness in streaming video understanding. However, storing such memory for videos incurs substantial memory overhead, leading to high costs in both storage and computation. To address this…

计算机视觉与模式识别 · 计算机科学 2026-04-24 Junxi Wang , Te Sun , Jiayi Zhu , Junxian Li , Haowen Xu , Zichen Wen , Xuming Hu , Zhiyu Li , Linfeng Zhang