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Hashing has been widely used for large-scale search due to its low storage cost and fast query speed. By using supervised information, supervised hashing can significantly outperform unsupervised hashing. Recently, discrete supervised…

信息检索 · 计算机科学 2018-10-17 Qing-Yuan Jiang , Xue Cui , Wu-Jun Li

To overcome the barrier of storage and computation, the hashing technique has been widely used for nearest neighbor search in multimedia retrieval applications recently. Particularly, cross-modal retrieval that searches across different…

信息检索 · 计算机科学 2019-05-16 Sarawut Markchit , Chih-Yi Chiu

The ray casting operation in the Monte Carlo ray tracing algorithm usually adopts a bounding volume hierarchy (BVH) to accelerate the process of finding intersections to evaluate visibility. However, its characteristics are irregular, with…

图形学 · 计算机科学 2023-09-25 Shin Fujieda , Chih-Chen Kao , Takahiro Harada

In most state-of-the-art hashing-based visual search systems, local image descriptors of an image are first aggregated as a single feature vector. This feature vector is then subjected to a hashing function that produces a binary hash code.…

计算机视觉与模式识别 · 计算机科学 2017-04-05 Thanh-Toan Do , Dang-Khoa Le Tan , Trung T. Pham , Ngai-Man Cheung

For decades, sampling-based techniques have been the de facto standard for accelerating microarchitecture simulation, with the Basic Block Vector (BBV) serving as the cornerstone program representation. Yet, the BBV's fundamental…

硬件体系结构 · 计算机科学 2025-12-12 Zhenguo Liu , Chengao Shi , Chen Ding , Jiang Xu

Retrieval-Augmented Generation (RAG) relies on large-scale Approximate Nearest Neighbor Search (ANNS) to retrieve semantically relevant context for large language models. Among ANNS methods, IVF-PQ offers an attractive balance between…

硬件体系结构 · 计算机科学 2026-03-03 Po-Kai Hsu , Weihong Xu , Qunyou Liu , Tajana Rosing , Shimeng Yu

There is growing interest in representing image data and feature descriptors using compact binary codes for fast near neighbor search. Although binary codes are motivated by their use as direct indices (addresses) into a hash table, codes…

计算机视觉与模式识别 · 计算机科学 2014-04-28 Mohammad Norouzi , Ali Punjani , David J. Fleet

Componentwise boosting (CWB), also known as model-based boosting, is a variant of gradient boosting that builds on additive models as base learners to ensure interpretability. CWB is thus often used in research areas where models are…

统计计算 · 统计学 2021-11-01 Daniel Schalk , Bernd Bischl , David Rügamer

By unifying various earlier extensions of alternating sign matrices (ASMs), we introduce the notion of prefix-bounded matrices (PBMs). It is shown that the convex hull of these matrices forms the intersection of two special generalized…

组合数学 · 数学 2025-08-19 Nóra A. Borsik , András Frank , Péter Madarasi , Tamás Takács

Recent trends show recognition accuracy increasing even more profoundly. Inference process of Deep Convolutional Neural Networks (DCNN) has a large number of parameters, requires a large amount of computation, and can be very slow. The…

计算机视觉与模式识别 · 计算机科学 2017-09-15 Ryuji Kamiya , Takayoshi Yamashita , Mitsuru Ambai , Ikuro Sato , Yuji Yamauchi , Hironobu Fujiyoshi

With the growth of image on the web, research on hashing which enables high-speed image retrieval has been actively studied. In recent years, various hashing methods based on deep neural networks have been proposed and achieved higher…

计算机视觉与模式识别 · 计算机科学 2019-05-23 Yosuke Kaga , Masakazu Fujio , Kenta Takahashi , Tetsushi Ohki , Masakatsu Nishigaki

Safe memory reclamation (SMR) algorithms suffer from a trade-off between bounding unreclaimed memory and the speed of reclamation. Hazard pointer (HP) based algorithms bound unreclaimed memory at all times, but tend to be slower than other…

分布式、并行与集群计算 · 计算机科学 2021-02-16 Ajay Singh , Trevor Brown , Ali Mashtizadeh

Mapping X-ray images, radiology reports, and other medical data as binary codes in the common space, which can assist clinicians to retrieve pathology-related data from heterogeneous modalities (i.e., hashing-based cross-modal medical data…

机器学习 · 计算机科学 2022-05-18 Yufeng Shi , Shuhuang Chen , Xinge You , Qinmu Peng , Weihua Ou , Yue Zhao

We present a supervised binary encoding scheme for image retrieval that learns projections by taking into account similarity between classes obtained from output embeddings. Our motivation is that binary hash codes learned in this way…

计算机视觉与模式识别 · 计算机科学 2015-02-03 Sravanthi Bondugula , Varun Manjunatha , Larry S. Davis , David Doermann

Hashing methods have been widely investigated for fast approximate nearest neighbor searching in large data sets. Most existing methods use binary vectors in lower dimensional spaces to represent data points that are usually real vectors of…

计算机视觉与模式识别 · 计算机科学 2019-04-19 Dayong Tian , Dacheng Tao

Brain-inspired hyperdimensional (HD) computing models neural activity patterns of the very size of the brain's circuits with points of a hyperdimensional space, that is, with hypervectors. Hypervectors are $D$-dimensional (pseudo)random…

新兴技术 · 计算机科学 2019-04-04 Manuel Schmuck , Luca Benini , Abbas Rahimi

Weighted minwise hashing (WMH) is one of the fundamental subroutine, required by many celebrated approximation algorithms, commonly adopted in industrial practice for large scale-search and learning. The resource bottleneck of the…

数据结构与算法 · 计算机科学 2016-02-29 Anshumali Shrivastava

This paper describes a novel method for efficiently calculating CRC checksums without lookup tables or hardware support for polynomial multiplication. Throughput of CRC32 is increased by 100% across different platforms compared with the…

数据结构与算法 · 计算机科学 2024-12-24 Sam Russell

Ad-hoc search calls for the selection of appropriate answers from a massive-scale corpus. Nowadays, the embedding-based retrieval (EBR) becomes a promising solution, where deep learning based document representation and ANN search…

Despite the remarkable success of low-rank estimation in data mining, its effectiveness diminishes when applied to data that inherently lacks low-rank structure. To address this limitation, in this paper, we focus on non-negative sparse…

机器学习 · 计算机科学 2025-03-05 Qingsong Wang , Yunfei Qu , Chunfeng Cui , Deren Han