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Pre-training visual and textual representations from large-scale image-text pairs is becoming a standard approach for many downstream vision-language tasks. The transformer-based models learn inter and intra-modal attention through a list…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Mohammad Abuzar Hashemi , Zhanghexuan Li , Mihir Chauhan , Yan Shen , Abhishek Satbhai , Mir Basheer Ali , Mingchen Gao , Sargur Srihari

Visual Place Recognition (VPR) is a critical task in computer vision, traditionally enhanced by re-ranking retrieval results with image matching. However, recent advancements in VPR methods have significantly improved performance,…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Davide Sferrazza , Gabriele Berton , Gabriele Trivigno , Carlo Masone

In this paper, we introduce a novel visual representation learning which relies on a handful of adaptively learned tokens, and which is applicable to both image and video understanding tasks. Instead of relying on hand-designed splitting…

计算机视觉与模式识别 · 计算机科学 2022-04-05 Michael S. Ryoo , AJ Piergiovanni , Anurag Arnab , Mostafa Dehghani , Anelia Angelova

Visual servoing involves choosing actions that move a robot in response to observations from a camera, in order to reach a goal configuration in the world. Standard visual servoing approaches typically rely on manually designed features and…

机器学习 · 计算机科学 2017-07-12 Alex X. Lee , Sergey Levine , Pieter Abbeel

Salient Object Ranking (SOR) involves ranking the degree of saliency of multiple salient objects in an input image. Most recently, a method is proposed for ranking salient objects in an input video based on a predicted fixation map. It…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Jiaying Lin , Huankang Guan , Rynson W. H. Lau

Many current approaches to the design of intrusion detection systems apply feature selection in a static, non-adaptive fashion. These methods often neglect the dynamic nature of network data which requires to use adaptive feature selection…

密码学与安全 · 计算机科学 2018-06-18 Buse Gul Atli , Alexander Jung

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

Fine-grained visual categorization is to recognize hundreds of subcategories belonging to the same basic-level category, which is a highly challenging task due to the quite subtle and local visual distinctions among similar subcategories.…

计算机视觉与模式识别 · 计算机科学 2019-02-21 Xiangteng He , Yuxin Peng

Learning to Rank (LETOR) algorithms are usually trained on annotated corpora where a single relevance label is assigned to each available document-topic pair. Within the Cranfield framework, relevance labels result from merging either…

信息检索 · 计算机科学 2022-02-15 Alberto Purpura , Gianmaria Silvello , Gian Antonio Susto

Estimation of the frequency and duration of logos in videos is important and challenging in the advertisement industry as a way of estimating the impact of ad purchases. Since logos occupy only a small area in the videos, the popular…

图像与视频处理 · 电气工程与系统科学 2020-05-20 Bochen Guan , Hanrong Ye , Hong Liu , William A. Sethares

Visual Place Recognition (VPR) is a crucial part of mobile robotics and autonomous driving as well as other computer vision tasks. It refers to the process of identifying a place depicted in a query image using only computer vision. At…

计算机视觉与模式识别 · 计算机科学 2023-03-07 Amar Ali-bey , Brahim Chaib-draa , Philippe Giguère

Deep neural networks has become the first choice for researchers working on algorithmic aspects of learning-to-rank. Unfortunately, it is not trivial to find the optimal setting of hyper-parameters that achieves the best ranking…

信息检索 · 计算机科学 2020-09-01 Hai-Tao Yu

Video-text retrieval (VTR) aims to locate relevant videos using natural language queries. Current methods, often based on pre-trained models like CLIP, are hindered by video's inherent redundancy and their reliance on coarse, final-layer…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Zequn Xie , Boyun Zhang , Yuxiao Lin , Tao Jin

Visual attributes, from simple objects (e.g., backpacks, hats) to soft-biometrics (e.g., gender, height, clothing) have proven to be a powerful representational approach for many applications such as image description and human…

计算机视觉与模式识别 · 计算机科学 2018-07-11 Nikolaos Sarafianos , Theodore Giannakopoulos , Christophoros Nikou , Ioannis A. Kakadiaris

Visual servoing enables robots to precisely position their end-effector relative to a target object. While classical methods rely on hand-crafted features and thus are universally applicable without task-specific training, they often…

Unbiased Learning to Rank (ULTR) that learns to rank documents with biased user feedback data is a well-known challenge in information retrieval. Existing methods in unbiased learning to rank typically rely on click modeling or inverse…

信息检索 · 计算机科学 2023-02-09 Dan Luo , Lixin Zou , Qingyao Ai , Zhiyu Chen , Dawei Yin , Brian D. Davison

The tracking-by-detection framework consists of two stages, i.e., drawing samples around the target object in the first stage and classifying each sample as the target object or as background in the second stage. The performance of existing…

计算机视觉与模式识别 · 计算机科学 2018-04-13 Yibing Song , Chao Ma , Xiaohe Wu , Lijun Gong , Linchao Bao , Wangmeng Zuo , Chunhua Shen , Rynson Lau , Ming-Hsuan Yang

LoFTR arXiv:2104.00680 is an efficient deep learning method for finding appropriate local feature matches on image pairs. This paper reports on the optimization of this method to work on devices with low computational performance and…

计算机视觉与模式识别 · 计算机科学 2022-02-03 Kyrylo Kolodiazhnyi

Vision-Language Tracking (VLT) aims to localize a target in video sequences using a visual template and language description. While textual cues enhance tracking potential, current datasets typically contain much more image data than text,…

计算机视觉与模式识别 · 计算机科学 2024-12-30 X. Feng , D. Zhang , S. Hu , X. Li , M. Wu , J. Zhang , X. Chen , K. Huang

We present the 2017 WebVision Challenge, a public image recognition challenge designed for deep learning based on web images without instance-level human annotation. Following the spirit of previous vision challenges, such as ILSVRC,…

计算机视觉与模式识别 · 计算机科学 2017-05-17 Wen Li , Limin Wang , Wei Li , Eirikur Agustsson , Jesse Berent , Abhinav Gupta , Rahul Sukthankar , Luc Van Gool