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Dense retrieval (DR) has shown promising results in information retrieval. In essence, DR requires high-quality text representations to support effective search in the representation space. Recent studies have shown that pre-trained…

信息检索 · 计算机科学 2022-08-23 Xinyu Ma , Ruqing Zhang , Jiafeng Guo , Yixing Fan , Xueqi Cheng

Large medical imaging datasets can be cheaply and quickly annotated with low-confidence, weak labels (e.g., radiological scores). Access to high-confidence labels, such as histology-based diagnoses, is rare and costly. Pretraining…

计算机视觉与模式识别 · 计算机科学 2023-09-20 Emma Sarfati , Alexandre Bône , Marc-Michel Rohé , Pietro Gori , Isabelle Bloch

Hashing technology has been widely used in image retrieval due to its computational and storage efficiency. Recently, deep unsupervised hashing methods have attracted increasing attention due to the high cost of human annotations in the…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Qinghong Lin , Xiaojun Chen , Qin Zhang , Shangxuan Tian , Yudong Chen

Learning robust representations to discriminate cell phenotypes based on microscopy images is important for drug discovery. Drug development efforts typically analyse thousands of cell images to screen for potential treatments. Early works…

计算机视觉与模式识别 · 计算机科学 2021-12-28 Alexis Perakis , Ali Gorji , Samriddhi Jain , Krishna Chaitanya , Simone Rizza , Ender Konukoglu

Fast similarity search is a key component in large-scale information retrieval, where semantic hashing has become a popular strategy for representing documents as binary hash codes. Recent advances in this area have been obtained through…

信息检索 · 计算机科学 2019-06-04 Casper Hansen , Christian Hansen , Jakob Grue Simonsen , Stephen Alstrup , Christina Lioma

Structure-based virtual screening aims to identify high-affinity ligands by estimating binding free energies between proteins and small molecules. However, the conformational flexibility of both proteins and ligands challenges conventional…

生物大分子 · 定量生物学 2025-07-15 Pei-Kun Yang

Multi-view Stereo (MVS) with known camera parameters is essentially a 1D search problem within a valid depth range. Recent deep learning-based MVS methods typically densely sample depth hypotheses in the depth range, and then construct…

计算机视觉与模式识别 · 计算机科学 2021-12-07 Zhenxing Mi , Di Chang , Dan Xu

In computer-aided drug discovery (CADD), virtual screening (VS) is used for identifying the drug candidates that are most likely to bind to a molecular target in a large library of compounds. Most VS methods to date have focused on using…

机器学习 · 计算机科学 2022-11-09 Andac Demir , Baris Coskunuzer , Ignacio Segovia-Dominguez , Yuzhou Chen , Yulia Gel , Bulent Kiziltan

Medical visual question answering (VQA) bridges the gap between visual information and clinical decision-making, enabling doctors to extract understanding from clinical images and videos. In particular, surgical VQA can enhance the…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Long Bai , Guankun Wang , Mobarakol Islam , Lalithkumar Seenivasan , An Wang , Hongliang Ren

The rapid proliferation of digital content and the ever-growing need for precise object recognition and segmentation have driven the advancement of cutting-edge techniques in the field of object classification and segmentation. This paper…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Chandan Kumar , Jansel Herrera-Gerena , John Just , Matthew Darr , Ali Jannesari

Contrastive learning has been applied successfully to learn vector representations of text. Previous research demonstrated that learning high-quality representations benefits from batch-wise contrastive loss with a large number of…

机器学习 · 计算机科学 2021-06-16 Luyu Gao , Yunyi Zhang , Jiawei Han , Jamie Callan

Nearest neighbors search is a fundamental problem in various research fields like machine learning, data mining and pattern recognition. Recently, hashing-based approaches, e.g., Locality Sensitive Hashing (LSH), are proved to be effective…

信息检索 · 计算机科学 2012-05-15 Yue Lin , Deng Cai , Cheng Li

Hashing has attracted increasing research attentions in recent years due to its high efficiency of computation and storage in image retrieval. Recent works have demonstrated the superiority of simultaneous feature representations and hash…

计算机视觉与模式识别 · 计算机科学 2019-02-20 Lu Jin , Xiangbo Shu , Kai Li , Zechao Li , Guo-Jun Qi , Jinhui Tang

Data-dependent hashing has recently attracted attention due to being able to support efficient retrieval and storage of high-dimensional data such as documents, images, and videos. In this paper, we propose a novel learning-based hashing…

机器学习 · 计算机科学 2019-04-09 Jie Gui , Tongliang Liu , Zhenan Sun , Dacheng Tao , Tieniu Tan

Dense retrieval conducts text retrieval in the embedding space and has shown many advantages compared to sparse retrieval. Existing dense retrievers optimize representations of queries and documents with contrastive training and map them to…

信息检索 · 计算机科学 2021-07-19 Yizhi Li , Zhenghao Liu , Chenyan Xiong , Zhiyuan Liu

Accurate and efficient prediction of the molecular properties of drugs is one of the fundamental problems in drug research and development. Recent advancements in representation learning have been shown to greatly improve the performance of…

生物大分子 · 定量生物学 2022-06-17 Hui Liu , Yibiao Huang , Xuejun Liu , Lei Deng

Supervised hashing aims to map the original features to compact binary codes that are able to preserve label based similarity in the Hamming space. Non-linear hash functions have demonstrated the advantage over linear ones due to their…

计算机视觉与模式识别 · 计算机科学 2016-11-17 Guosheng Lin , Chunhua Shen , Qinfeng Shi , Anton van den Hengel , David Suter

Given a collection of untrimmed and unsegmented videos, video corpus moment retrieval (VCMR) is to retrieve a temporal moment (i.e., a fraction of a video) that semantically corresponds to a given text query. As video and text are from two…

计算与语言 · 计算机科学 2021-05-14 Hao Zhang , Aixin Sun , Wei Jing , Guoshun Nan , Liangli Zhen , Joey Tianyi Zhou , Rick Siow Mong Goh

The accurate screening of candidate drug ligands against target proteins through computational approaches is of prime interest to drug development efforts. Such virtual screening depends in part on methods to predict the binding affinity…

机器学习 · 计算机科学 2024-10-22 Ho-Joon Lee , Prashant S. Emani , Mark B. Gerstein

Hashing has been widely used for large-scale approximate nearest neighbor search because of its storage and search efficiency. Recent work has found that deep supervised hashing can significantly outperform non-deep supervised hashing in…

机器学习 · 计算机科学 2017-07-27 Qing-Yuan Jiang , Wu-Jun Li