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Supervised cross-modal hashing has gained increasing research interest on large-scale retrieval task owning to its satisfactory performance and efficiency. However, it still has some challenging issues to be further studied: 1) most of them…

Machine Learning · Computer Science 2019-05-07 Tao Yao , Xiangwei Kong , Lianshan Yan , Wenjing Tang , Qi Tian

The high cost associated with the evaluation of Hartree-Fock exchange (HFX) makes hybrid functionals computationally challenging for large systems. In this work, we present an efficient way to accelerate HFX calculations with numerical…

Computational Physics · Physics 2020-09-09 Xinming Qin , Jie Liu , Wei Hu , Jinlong Yang

While dense retrieval models, which embed queries and documents into a shared low-dimensional space, have gained widespread popularity, they were shown to exhibit important theoretical limitations and considerably lag behind traditional…

Information Retrieval · Computer Science 2026-04-09 Adrian Bracher , Svitlana Vakulenko

Information retrieval is a core component of many intelligent systems as it enables conditioning of outputs on new and large-scale datasets. While effective, the standard practice of encoding data into high-dimensional representations for…

Information Retrieval · Computer Science 2026-02-16 Shubham Gupta , Zichao Li , Tianyi Chen , Cem Subakan , Siva Reddy , Perouz Taslakian , Valentina Zantedeschi

Traditional multimodal retrieval systems rely primarily on bi-encoder architectures, where performance is closely tied to embedding dimensionality. Recent work, Think-Then-Embed (TTE), shows that incorporating multimodal reasoning to elicit…

While image dehazing has advanced substantially in the past decade, most efforts have focused on short-range scenarios, leaving long-range haze removal under-explored. As distance increases, intensified scattering leads to severe haze and…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yi Li , Xiaoxiong Wang , Jiawei Wang , Yi Chang , Kai Cao , Luxin Yan

Embedding geometry plays a fundamental role in retrieval quality, yet dense retrievers for retrieval-augmented generation (RAG) remain largely confined to Euclidean space. However, natural language exhibits hierarchical structure from broad…

Information Retrieval · Computer Science 2026-02-10 Hiren Madhu , Ngoc Bui , Ali Maatouk , Leandros Tassiulas , Smita Krishnaswamy , Menglin Yang , Sukanta Ganguly , Kiran Srinivasan , Rex Ying

As a fundamental backbone for video generation, diffusion models are challenged by low inference speed due to the sequential nature of denoising. Previous methods speed up the models by caching and reusing model outputs at uniformly…

Computer Vision and Pattern Recognition · Computer Science 2025-03-19 Feng Liu , Shiwei Zhang , Xiaofeng Wang , Yujie Wei , Haonan Qiu , Yuzhong Zhao , Yingya Zhang , Qixiang Ye , Fang Wan

Performance optimization is the art of continuous seeking a harmonious mapping between the application domain and hardware. Recent years have witnessed a surge of deep learning (DL) applications in industry. Conventional wisdom for…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-11-27 Guoping Long , Jun Yang , Wei Lin

Recent advances in text-to-image synthesis largely benefit from sophisticated sampling strategies and classifier-free guidance (CFG) to ensure high-quality generation. However, CFG's reliance on two forward passes, especially when combined…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Minghao Fu , Guo-Hua Wang , Xiaohao Chen , Qing-Guo Chen , Zhao Xu , Weihua Luo , Kaifu Zhang

In modern computing systems, compilation employs numerous optimization techniques to enhance code performance. Source-to-source code transformations, which include control flow and datapath transformations, have been widely used in…

Hardware Architecture · Computer Science 2025-06-09 Jiaqi Yin , Zhan Song , Nicolas Bohm Agostini , Antonino Tumeo , Cunxi Yu

Effective frequency recognition algorithms are critical in steady-state visual evoked potential (SSVEP) based brain-computer interfaces (BCIs). In this study, we present a hierarchical feature fusion framework which can be used to design…

Neurons and Cognition · Quantitative Biology 2019-03-22 Yangsong Zhang , Erwei Yin , Fali Li , Yu Zhang , Daqing Guo , Dezhong Yao , Peng Xu

High Efficiency Video Coding (HEVC) significantly reduces bit-rates over the proceeding H.264 standard but at the expense of extremely high encoding complexity. In HEVC, the quad-tree partition of coding unit (CU) consumes a large…

Computer Vision and Pattern Recognition · Computer Science 2019-03-06 Mai Xu , Tianyi Li , Zulin Wang , Xin Deng , Ren Yang , Zhenyu Guan

Hashing has recently sparked a great revolution in cross-modal retrieval because of its low storage cost and high query speed. Recent cross-modal hashing methods often learn unified or equal-length hash codes to represent the multi-modal…

Computer Vision and Pattern Recognition · Computer Science 2019-09-13 Xin Liu , Zhikai Hu , Haibin Ling , Yiu-ming Cheung

Retrieval-Augmented Generation (RAG) systems critically depend on retrieval quality, yet no systematic comparison of modern retrieval methods exists for heterogeneous documents containing both text and tabular data. We benchmark ten…

Information Retrieval · Computer Science 2026-04-03 Meftun Akarsu , Recep Kaan Karaman , Christopher Mierbach

We propose a novel hue-correction scheme for multi-exposure image fusion (MEF). Various MEF methods have so far been studied to generate higher-quality images. However, there are few MEF methods considering hue distortion unlike other…

Image and Video Processing · Electrical Eng. & Systems 2020-05-07 Kouki Seo , Chihiro Go , Yuma Kinoshita , Hitoshi Kiya

Verification is a key bottleneck in improving inference speed while maintaining distribution fidelity in Speculative Decoding. Recent work has shown that sequence-level verification leads to a higher number of accepted tokens compared to…

Artificial Intelligence · Computer Science 2026-03-03 Yuxuan Zhou , Fei Huang , Heng Li , Fengyi Wu , Tianyu Wang , Jianwei Zhang , Junyang Lin , Zhi-Qi Cheng

Parameter-efficient finetuning (PEFT) has become ubiquitous to adapt foundation models to downstream task requirements while retaining their generalization ability. However, the amount of additionally introduced parameters and compute for…

Machine Learning · Computer Science 2024-10-14 Massimo Bini , Karsten Roth , Zeynep Akata , Anna Khoreva

The introduction of the neural implicit representation has notably propelled the advancement of online dense reconstruction techniques. Compared to traditional explicit representations, such as TSDF, it improves the mapping completeness and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Yuqing Lan , Chenyang Zhu , Shuaifeng Zhi , Jiazhao Zhang , Zhoufeng Wang , Renjiao Yi , Yijie Wang , Kai Xu

Lexical and semantic matching capture different successful approaches to text retrieval and the fusion of their results has proven to be more effective and robust than either alone. Prior work performs hybrid retrieval by conducting lexical…

Information Retrieval · Computer Science 2023-02-28 Sheng-Chieh Lin , Jimmy Lin