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One of the central tasks of multi-object tracking involves learning a distance metric that is consistent with the semantic similarities of objects. The design of an appropriate loss function that encourages discriminative feature learning…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Amit Satish Unde , Renu M. Rameshan

Long-tailed visual recognition has received increasing attention in recent years. Due to the extremely imbalanced data distribution in long-tailed learning, the learning process shows great uncertainties. For example, the predictions of…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Zichang Tan , Jun Li , Jinhao Du , Jun Wan , Zhen Lei , Guodong Guo

Conversational recommender systems (CRS) aim to provide the recommendation service via natural language conversations. To develop an effective CRS, high-quality CRS datasets are very crucial. However, existing CRS datasets suffer from the…

信息检索 · 计算机科学 2023-10-24 Zhipeng Zhao , Kun Zhou , Xiaolei Wang , Wayne Xin Zhao , Fan Pan , Zhao Cao , Ji-Rong Wen

While the novel class discovery has recently made great progress, existing methods typically focus on improving algorithms on class-balanced benchmarks. However, in real-world recognition tasks, the class distributions of their…

计算机视觉与模式识别 · 计算机科学 2023-08-28 Chuyu Zhang , Ruijie Xu , Xuming He

In this work, we introduce a novel strategy for long-tail recognition that addresses the tail classes' few-shot problem via training-free knowledge transfer. Our objective is to transfer knowledge acquired from information-rich common…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Sarah Parisot , Pedro M. Esperanca , Steven McDonagh , Tamas J. Madarasz , Yongxin Yang , Zhenguo Li

In this work, we address the challenging task of long-tailed image recognition. Previous long-tailed recognition methods commonly focus on the data augmentation or re-balancing strategy of the tail classes to give more attention to tail…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Weide Liu , Zhonghua Wu , Yiming Wang , Henghui Ding , Fayao Liu , Jie Lin , Guosheng Lin

Natural data are often long-tail distributed over semantic classes. Existing recognition methods tackle this imbalanced classification by placing more emphasis on the tail data, through class re-balancing/re-weighting or ensembling over…

计算机视觉与模式识别 · 计算机科学 2022-05-03 Xudong Wang , Long Lian , Zhongqi Miao , Ziwei Liu , Stella X. Yu

In real-world data, long-tailed data distribution is common, making it challenging for models trained on empirical risk minimisation to learn and classify tail classes effectively. While many studies have sought to improve long tail…

计算机视觉与模式识别 · 计算机科学 2025-01-24 Ziheng Wang , Toni Lassila , Sharib Ali

Noisy labels, which are common in real-world datasets, can significantly impair the training of deep learning models. However, recent adversarial noise-combating methods overlook the long-tailed distribution of real data, which can…

机器学习 · 计算机科学 2024-08-09 Mengting Li , Chuang Zhu

Tabular data high-stakes critical decision-making in domains such as finance, healthcare, and scientific discovery. Yet, learning effectively from tabular data in few-shot settings, where labeled examples are scarce, remains a fundamental…

机器学习 · 计算机科学 2026-01-19 Zhihan Yang , Jiaqi Wei , Xiang Zhang , Haoyu Dong , Yiwen Wang , Xiaoke Guo , Pengkun Zhang , Yiwei Xu , Chenyu You

Recognition problems in long-tailed data, in which the sample size per class is heavily skewed, have gained importance because the distribution of the sample size per class in a dataset is generally exponential unless the sample size is…

机器学习 · 计算机科学 2024-04-30 Naoya Hasegawa , Issei Sato

Few-shot object detection (FSOD) aims to detect objects using only a few examples. How to adapt state-of-the-art object detectors to the few-shot domain remains challenging. Object proposal is a key ingredient in modern object detectors.…

计算机视觉与模式识别 · 计算机科学 2022-06-03 Guangxing Han , Shiyuan Huang , Jiawei Ma , Yicheng He , Shih-Fu Chang

This is a technical report for CVPR 2021 AliProducts Challenge. AliProducts Challenge is a competition proposed for studying the large-scale and fine-grained commodity image recognition problem encountered by worldleading ecommerce…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Yuqiao Xian , Jia-Xin Zhuang , Fufu Yu

We tackle the problem of one-shot instance segmentation: Given an example image of a novel, previously unknown object category, find and segment all objects of this category within a complex scene. To address this challenging new task, we…

计算机视觉与模式识别 · 计算机科学 2019-05-29 Claudio Michaelis , Ivan Ustyuzhaninov , Matthias Bethge , Alexander S. Ecker

Object detection models often struggle with class imbalance, where rare categories appear significantly less frequently than common ones. Existing sampling-based rebalancing strategies, such as Repeat Factor Sampling (RFS) and…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Taufiq Ahmed , Abhishek Kumar , Constantino Álvarez Casado , Anlan Zhang , Tuomo Hänninen , Lauri Loven , Miguel Bordallo López , Sasu Tarkoma

Semantic parsing of large-scale 3D point clouds is an important research topic in computer vision and remote sensing fields. Most existing approaches utilize hand-crafted features for each modality independently and combine them in a…

计算机视觉与模式识别 · 计算机科学 2017-07-24 Fangyu Liu , Shuaipeng Li , Liqiang Zhang , Chenghu Zhou , Rongtian Ye , Yuebin Wang , Jiwen Lu

Multisource image analysis that leverages complementary spectral, spatial, and structural information benefits fine-grained object recognition that aims to classify an object into one of many similar subcategories. However, for multisource…

计算机视觉与模式识别 · 计算机科学 2021-05-27 Bulut Aygunes , Ramazan Gokberk Cinbis , Selim Aksoy

Anomaly detection (AD) aims to identify defective images and localize their defects (if any). Ideally, AD models should be able to detect defects over many image classes; without relying on hard-coded class names that can be uninformative…

计算机视觉与模式识别 · 计算机科学 2024-04-01 Chih-Hui Ho , Kuan-Chuan Peng , Nuno Vasconcelos

This paper proposes to go beyond the state-of-the-art deep convolutional neural network (CNN) by incorporating the information from object detection, focusing on dealing with fine-grained image classification. Unfortunately, CNN suffers…

计算机视觉与模式识别 · 计算机科学 2014-12-11 Xiaoyu Wang , Tianbao Yang , Guobin Chen , Yuanqing Lin

We introduce an architecture for large-scale image categorization that enables the end-to-end learning of separate visual features for the different classes to distinguish. The proposed model consists of a deep CNN shaped like a tree. The…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Karim Ahmed , Lorenzo Torresani