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This work explores the scope of Frequent Sequence Mining in the domain of Lossy Image Compression. The proposed work is based on the idea of clustering pixels and using the cluster identifiers in the compression. The DCT phase in JPEG is…

图像与视频处理 · 电气工程与系统科学 2026-01-28 Avinash Kadimisetty , Oswald C , Sivaselvan B , Alekhya Kadimisetty

With the rise of simulation-based inference (SBI) methods, simulations need to be fast as well as realistic. $\texttt{UFig v1}$ is a public Python package that simulates astronomical images with exceptional speed, taking approximately the…

Retrieving object phase from the optical fringe pattern is a critical task in quantitative phase imaging and often requires appropriate image preprocessing (background and noise minimization), especially when retrieving phase from the…

Packing, initially utilized in the pre-training phase, is an optimization technique designed to maximize hardware resource efficiency by combining different training sequences to fit the model's maximum input length. Although it has…

机器学习 · 计算机科学 2024-11-07 Shuhe Wang , Guoyin Wang , Yizhong Wang , Jiwei Li , Eduard Hovy , Chen Guo

Data compression has been widely applied in many data processing areas. Compression methods use variable-size codes with the shorter codes assigned to symbols or groups of symbols that appear in the data frequently. Fibonacci coding, as a…

性能 · 计算机科学 2007-12-19 R. Baca , V. Snasel , J. Platos , M. Kratky , E. El-Qawasmeh

To improve the temporal and spatial storage efficiency, researchers have intensively studied various techniques, including compression and deduplication. Through our evaluation, we find that methods such as photo tags or local features help…

分布式、并行与集群计算 · 计算机科学 2016-04-20 Binqi Zhang , Chen Wang , Bing Bing Zhou , Albert Y. Zomaya

Reducing the data footprint of visual content via image compression is essential to reduce storage requirements, but also to reduce the bandwidth and latency requirements for transmission. In particular, the use of compressed images allows…

计算机视觉与模式识别 · 计算机科学 2023-04-11 João Maria Janeiro , Stanislav Frolov , Alaaeldin El-Nouby , Jakob Verbeek

By optimizing the rate-distortion-realism trade-off, generative image compression approaches produce detailed, realistic images instead of the only sharp-looking reconstructions produced by rate-distortion-optimized models. In this paper,…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Lingyu Zhu , Xiangrui Zeng , Bolin Chen , Peilin Chen , Yung-Hui Li , Shiqi Wang

Image matting is an important computer vision problem. Many existing matting methods require a hand-made trimap to provide auxiliary information, which is very expensive and limits the real world usage. Recently, some trimap-free methods…

计算机视觉与模式识别 · 计算机科学 2021-10-22 Hang Cheng , Shugong Xu , Xiufeng Jiang , Rongrong Wang

VSIPL and OpenMP are two open standards for portable high performance computing. VSIPL delivers optimized single processor performance while OpenMP provides a low overhead mechanism for executing thread based parallelism on shared memory…

天体物理学 · 物理学 2015-05-26 Jeremy Kepner

One of the most important reasons of the existence of different types of files with media (audio or video) content, is achieving compression and less size, while preserving quality. In terms of fast transportation of files between equipment…

图像与视频处理 · 电气工程与系统科学 2021-01-08 Abbas Mirzaei Somarin , Mohammad Reza Deldadeh Shirin

Image copy detection is challenging and appealing topic in computer vision and signal processing. Recent advancements in multimedia have made distribution of image across the global easy and fast: that leads to many other issues such as…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Nazar Mohammad , Junaid Baber , Maheen Bakhtyar , Bilal Ahmed Chandio , Anwar Ali Sanjrani

Accurate classification plays a pivotal role in smart agriculture, enabling applications such as crop monitoring, fruit recognition, and pest detection. However, conventional centralized training often requires large-scale data collection,…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Long Li , Jiajia Li , Dong Chen , Lina Pu , Haibo Yao , Yanbo Huang

In this work, we propose two different approaches to improve the semantic consistency of Open Set Semantic Segmentation. First, we propose a method called OpenGMM that extends the OpenPCS framework using a Gaussian Mixture of Models to…

计算机视觉与模式识别 · 计算机科学 2022-06-07 Ian Nunes , Matheus B. Pereira , Hugo Oliveira , Jefersson A. Dos Santos , Marcus Poggi

Estimating the pose of a camera with respect to a 3D reconstruction or scene representation is a crucial step for many mixed reality and robotics applications. Given the vast amount of available data nowadays, many applications constrain…

计算机视觉与模式识别 · 计算机科学 2020-11-30 Marcela Mera-Trujillo , Benjamin Smith , Victor Fragoso

The popularity of photo sharing services has increased dramatically in recent years. Increases in users, quantity of photos, and quality/resolution of photos combined with the user expectation that photos are reliably stored indefinitely…

图像与视频处理 · 电气工程与系统科学 2019-12-25 Xing Xu , Zahaib Akhtar , Wyatt Lloyd , Antonio Ortega , Ramesh Govindan

Recent advances in generative AI have accelerated the production of ultra-high-resolution visual content, posing significant challenges for efficient compression and real-time decoding on end-user devices. Inspired by 3D Gaussian Splatting,…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Linfei Li , Lin Zhang , Zhong Wang , Ying Shen

State estimation methods using factor graph optimization (FGO) have garnered significant attention in global navigation satellite system (GNSS) research. FGO exhibits superior estimation accuracy compared with traditional state estimation…

机器人学 · 计算机科学 2025-02-13 Taro Suzuki

Inspired by the recent work FedNL (Safaryan et al, FedNL: Making Newton-Type Methods Applicable to Federated Learning), we propose a new communication efficient second-order framework for Federated learning, namely FLECS. The proposed…

最优化与控制 · 数学 2022-06-07 Artem Agafonov , Dmitry Kamzolov , Rachael Tappenden , Alexander Gasnikov , Martin Takáč

The physical size of optical imaging systems is one of the greatest constraints on their use, limiting the performance and deployment of a range of systems from telescopes to mobile phone cameras. Spaceplates are nonlocal optical devices…

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