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Many e-commerce search pipelines have four stages, namely: retrieval, filtering, ranking, and personalized-reranking. The retrieval stage must be efficient and yield high recall because relevant products missed in the first stage cannot be…

信息检索 · 计算机科学 2025-04-09 Hrishikesh Kulkarni , Surya Kallumadi , Sean MacAvaney , Nazli Goharian , Ophir Frieder

Recently, various deep-neural-network (DNN)-based approaches have been proposed for single-image super-resolution (SISR). Despite their promising results on major structure regions such as edges and lines, they still suffer from limited…

计算机视觉与模式识别 · 计算机科学 2016-12-02 Il Jun Ahn , Woo Hyun Nam

Learning-to-Rank (LTR) is a supervised machine learning approach that constructs models specifically designed to order a set of items or documents based on their relevance or importance to a given query or context. Despite significant…

信息检索 · 计算机科学 2026-04-17 Camilo Gomez , Pengyang Wang , Yanjie Fu

Realistic microscale domains are an essential step towards making modern multiscale simulations more applicable to computational materials engineering. For this purpose, 3D computed tomography scans can be very expensive or technically…

In this paper, we show how to efficiently and effectively extract a class of "low-rank textures" in a 3D scene from 2D images despite significant corruptions and warping. The low-rank textures capture geometrically meaningful structures in…

计算机视觉与模式识别 · 计算机科学 2010-12-16 Zhengdong Zhang , Arvind Ganesh , Xiao Liang , Yi Ma

A light-weight super-resolution (LSR) method from a single image targeting mobile applications is proposed in this work. LSR predicts the residual image between the interpolated low-resolution (ILR) and high-resolution (HR) images using a…

图像与视频处理 · 电气工程与系统科学 2023-02-28 Wei Wang , Xuejing Lei , Yueru Chen , Ming-Sui Lee , C. -C. Jay Kuo

Learned sparse retrieval (LSR) is a popular method for first-stage retrieval because it combines the semantic matching of language models with efficient CPU-friendly algorithms. Previous work aggregates blocks into "superblocks" to quickly…

信息检索 · 计算机科学 2026-02-04 Parker Carlson , Wentai Xie , Rohil Shah , Tao Yang

Visual localization to compute 6DoF camera pose from a given image has wide applications such as in robotics, virtual reality, augmented reality, etc. Two kinds of descriptors are important for the visual localization. One is global…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Pengju Zhang , Yihong Wu , Bingxi Liu

In this letter, we propose MAROAM, a millimeter wave radar-based SLAM framework, which employs a two-step feature selection process to build the global consistent map. Specifically, we first extract feature points from raw data based on…

机器人学 · 计算机科学 2022-10-26 Dequan Wang , Yifan Duan , Xiaoran Fan , Chengzhen Meng , Jianmin Ji , Yanyong Zhang

Computational reconstruction plays a vital role in computer vision and computational photography. Most of the conventional optimization and deep learning techniques explore local information for reconstruction. Recently, nonlocal low-rank…

图像与视频处理 · 电气工程与系统科学 2023-01-10 Daoyu Li , Hanwen Xu , Miao Cao , Xin Yuan , David J. Brady , Liheng Bian

Implicit Neural Representations (INRs) have emerged as a powerful alternative to traditional pixel-based formats by modeling images as continuous functions over spatial coordinates. A key challenge, however, lies in the spectral bias of…

计算机视觉与模式识别 · 计算机科学 2025-08-25 Sumit Kumar Dam , Mrityunjoy Gain , Eui-Nam Huh , Choong Seon Hong

Worldwide image geolocalization, which aims to predict the GPS coordinates of any image on Earth, remains challenging due to global visual diversity. Recent generative approaches based on Retrieval-Augmented Generation (RAG) and Large…

信息检索 · 计算机科学 2026-04-29 Tung-Duong Le-Duc , Hoang-Quoc Nguyen-Son , Minh-Son Dao

Feature selection is crucial for pinpointing relevant features in high-dimensional datasets, mitigating the 'curse of dimensionality,' and enhancing machine learning performance. Traditional feature selection methods for classification use…

机器学习 · 计算机科学 2025-04-08 Rittwika Kansabanik , Adrian Barbu

While building machine learning models, Feature selection (FS) stands out as an essential preprocessing step used to handle the uncertainty and vagueness in the data. Recently, the minimum Redundancy and Maximum Relevance (mRMR) approach…

分布式、并行与集群计算 · 计算机科学 2024-07-25 Yelleti Vivek , P. S. V. S. Sai Prasad

Array synthetic aperture radar (Array-SAR), also known as tomographic SAR (TomoSAR), has demonstrated significant potential for high-quality 3D mapping, particularly in urban areas.While deep learning (DL) methods have recently shown…

图像与视频处理 · 电气工程与系统科学 2024-12-24 Yu Ren , Xu Zhan , Yunqiao Hu , Xiangdong Ma , Liang Liu , Mou Wang , Jun Shi , Shunjun Wei , Tianjiao Zeng , Xiaoling Zhang

Image-Text Retrieval (ITR) is essentially a ranking problem. Given a query caption, the goal is to rank candidate images by relevance, from large to small. The current ITR datasets are constructed in a pairwise manner. Image-text pairs are…

计算机视觉与模式识别 · 计算机科学 2023-05-29 Zheng Li , Caili Guo , Xin Wang , Zerun Feng , Yanjun Wang

Although tremendous strides have been made in uncontrolled face detection, efficient face detection with a low computation cost as well as high precision remains an open challenge. In this paper, we point out that training data sampling and…

计算机视觉与模式识别 · 计算机科学 2021-05-12 Jia Guo , Jiankang Deng , Alexandros Lattas , Stefanos Zafeiriou

Unsupervised non-rigid point cloud shape correspondence underpins a multitude of 3D vision tasks, yet itself is non-trivial given the exponential complexity stemming from inter-point degree-of-freedom, i.e., pose transformations. Based on…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Ling Wang , Runfa Chen , Yikai Wang , Fuchun Sun , Xinzhou Wang , Sun Kai , Guangyuan Fu , Jianwei Zhang , Wenbing Huang

Pedestrian detection is a problem of considerable practical interest. Adding to the list of successful applications of deep learning methods to vision, we report state-of-the-art and competitive results on all major pedestrian datasets with…

计算机视觉与模式识别 · 计算机科学 2013-04-03 Pierre Sermanet , Koray Kavukcuoglu , Soumith Chintala , Yann LeCun

Label smoothing regularization (LSR) has a great success in training deep neural networks by stochastic algorithms such as stochastic gradient descent and its variants. However, the theoretical understanding of its power from the view of…

机器学习 · 计算机科学 2020-10-06 Yi Xu , Yuanhong Xu , Qi Qian , Hao Li , Rong Jin