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Due to its low storage cost and fast query speed, hashing has been widely used in large-scale image retrieval tasks. Hash bucket search returns data points within a given Hamming radius to each query, which can enable search at a constant…

机器学习 · 计算机科学 2024-05-07 Ming-Wei Li , Qing-Yuan Jiang , Wu-Jun Li

Multi-modal hashing methods are widely used in multimedia retrieval, which can fuse multi-source data to generate binary hash code. However, the individual backbone networks have limited feature expression capabilities and are not jointly…

计算机视觉与模式识别 · 计算机科学 2024-10-11 Jian Zhu , Mingkai Sheng , Zhangmin Huang , Jingfei Chang , Jinling Jiang , Jian Long , Cheng Luo , Lei Liu

Active learning (AL) strategies aim to train high-performance models with minimal labeling efforts, only selecting the most informative instances for annotation. Current approaches to evaluating data informativeness predominantly focus on…

计算机视觉与模式识别 · 计算机科学 2026-01-23 Zhixuan Liang , Xingyu Zeng , Rui Zhao , Ping Luo

Typical retrieval systems have three requirements: a) Accurate retrieval i.e., the method should have high precision, b) Diverse retrieval, i.e., the obtained set of points should be diverse, c) Retrieval time should be small. However, most…

信息检索 · 计算机科学 2020-08-25 Vidyadhar Rao , Prateek Jain , C. V Jawahar

Mixed-integer linear programming (MILP) is widely employed for modeling combinatorial optimization problems. In practice, similar MILP instances with only coefficient variations are routinely solved, and machine learning (ML) algorithms are…

最优化与控制 · 数学 2023-03-07 Qingyu Han , Linxin Yang , Qian Chen , Xiang Zhou , Dong Zhang , Akang Wang , Ruoyu Sun , Xiaodong Luo

Mean Average Precision (mAP) is the primary evaluation measure for object detection. Although object detection has a broad range of applications, mAP evaluates detectors in terms of the performance of ranked instance retrieval. Such the…

计算机视觉与模式识别 · 计算机科学 2022-03-29 Mayu Otani , Riku Togashi , Yuta Nakashima , Esa Rahtu , Janne Heikkilä , Shin'ichi Satoh

Loss functions play an important role in training deep-network-based object detectors. The most widely used evaluation metric for object detection is Average Precision (AP), which captures the performance of localization and classification…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Chenxin Tao , Zizhang Li , Xizhou Zhu , Gao Huang , Yong Liu , Jifeng Dai

Unsupervised object discovery and localization aims to detect or segment objects in an image without any supervision. Recent efforts have demonstrated a notable potential to identify salient foreground objects by utilizing self-supervised…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Xin Zhang , Jinheng Xie , Yuan Yuan , Michael Bi Mi , Robby T. Tan

Hashing has been widely used for efficient similarity search based on its query and storage efficiency. To obtain better precision, most studies focus on designing different objective functions with different constraints or penalty terms…

数据结构与算法 · 计算机科学 2018-10-02 Xingbo Liu , Xiushan Nie , Yilong Yin

Learning-based hashing methods are widely used for nearest neighbor retrieval, and recently, online hashing methods have demonstrated good performance-complexity trade-offs by learning hash functions from streaming data. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2017-08-01 Fatih Cakir , Kun He , Sarah Adel Bargal , Stan Sclaroff

Automatic Mean Opinion Score (MOS) prediction is crucial to evaluate the perceptual quality of the synthetic speech. While recent approaches using pre-trained self-supervised learning (SSL) models have shown promising results, they only…

音频与语音处理 · 电气工程与系统科学 2023-09-01 Hui Wang , Shiwan Zhao , Xiguang Zheng , Yong Qin

Mixed-Integer Linear Programs (MIPs) are powerful and flexible tools for modeling a wide range of real-world combinatorial optimization problems. Predict-and-Search methods operate by using a predictive model to estimate promising variable…

人工智能 · 计算机科学 2026-04-21 Junyang Cai , El Mehdi Er Raqabi , Pascal Van Hentenryck , Bistra Dilkina

Recent advancements in Large Language Models have transformed ML/AI development, necessitating a reevaluation of AutoML principles for the Retrieval-Augmented Generation (RAG) systems. To address the challenges of hyper-parameter…

计算与语言 · 计算机科学 2024-06-28 Jia Fu , Xiaoting Qin , Fangkai Yang , Lu Wang , Jue Zhang , Qingwei Lin , Yubo Chen , Dongmei Zhang , Saravan Rajmohan , Qi Zhang

This paper addresses the problem of very large-scale image retrieval, focusing on improving its accuracy and robustness. We target enhanced robustness of search to factors such as variations in illumination, object appearance and scale,…

计算机视觉与模式识别 · 计算机科学 2019-06-18 Syed Sameed Husain , Miroslaw Bober

Text-based person anomaly retrieval has emerged as a challenging task, with most existing approaches relying on complex deep-learning techniques. This raises a research question: How can the model be optimized to achieve greater…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Tien-Huy Nguyen , Huu-Loc Tran , Huu-Phong Phan-Nguyen , Quang-Vinh Dinh

Retrieval-augmented generation (RAG) improves the reliability of large language model (LLM) answers by integrating external knowledge. However, RAG increases the end-to-end inference time since looking for relevant documents from large…

We present a heuristic strategy for marginal MAP (MMAP) queries in graphical models. The algorithm is based on a reduction of the task to a polynomial number of marginal inference computations. Given an input evidence, the marginals mass…

人工智能 · 计算机科学 2020-02-13 Alessandro Antonucci , Thomas Tiotto

By design, average precision (AP) for object detection aims to treat all classes independently: AP is computed independently per category and averaged. On one hand, this is desirable as it treats all classes equally. On the other hand, it…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Achal Dave , Piotr Dollár , Deva Ramanan , Alexander Kirillov , Ross Girshick

Extraction of local feature descriptors is a vital stage in the solution pipelines for numerous computer vision tasks. Learning-based approaches improve performance in certain tasks, but still cannot replace handcrafted features in general.…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Kun He , Yan Lu , Stan Sclaroff

A common architectural choice for deep metric learning is a convolutional neural network followed by global average pooling (GAP). Albeit simple, GAP is a highly effective way to aggregate information. One possible explanation for the…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Yeti Z. Gurbuz , Ozan Sener , A. Aydın Alatan