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Few-shot semantic segmentation (FSS) aims to form class-agnostic models segmenting unseen classes with only a handful of annotations. Previous methods limited to the semantic feature and prototype representation suffer from coarse…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Bohao Peng , Zhuotao Tian , Xiaoyang Wu , Chenyao Wang , Shu Liu , Jingyong Su , Jiaya Jia

We present a simple and flexible object detection framework optimized for autonomous driving. Building on the observation that point clouds in this application are extremely sparse, we propose a practical pillar-based approach to fix the…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Yue Wang , Alireza Fathi , Abhijit Kundu , David Ross , Caroline Pantofaru , Thomas Funkhouser , Justin Solomon

Real-time single-stage object detectors based on deep learning still remain less accurate than more complex ones. The trade-off between model performance and computational speed is a major challenge. In this paper, we propose a new way to…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Florian Chabot , Quoc-Cuong Pham , Mohamed Chaouch

Detecting small objects remains a significant challenge in single-shot object detectors due to the inherent trade-off between spatial resolution and semantic richness in convolutional feature maps. To address this issue, we propose a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Richard Schmit

In object detection, multi-level prediction (e.g., FPN) and reweighting skills (e.g., focal loss) have drastically improved one-stage detector performance. However, the synergy between these two techniques is not fully explored in a unified…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Binghong Wu , Yehui Yang , Dalu Yang , Junde Wu , Xiaorong Wang , Haifeng Huang , Lei Wang , Yanwu Xu

In this paper, we present a simple and parameter-efficient drop-in module for one-stage object detectors like SSD when learning from scratch (i.e., without pre-trained models). We call our module GFR (Gated Feature Reuse), which exhibits…

Computer Vision and Pattern Recognition · Computer Science 2019-07-09 Zhiqiang Shen , Honghui Shi , Jiahui Yu , Hai Phan , Rogerio Feris , Liangliang Cao , Ding Liu , Xinchao Wang , Thomas Huang , Marios Savvides

Few-Shot Learning (FSL) alleviates the data shortage challenge via embedding discriminative target-aware features among plenty seen (base) and few unseen (novel) labeled samples. Most feature embedding modules in recent FSL methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jinxiang Lai , Siqian Yang , Wenlong Liu , Yi Zeng , Zhongyi Huang , Wenlong Wu , Jun Liu , Bin-Bin Gao , Chengjie Wang

We present a simple yet effective prediction module for a one-stage detector. The main process is conducted in a coarse-to-fine manner. First, the module roughly adjusts the default boxes to well capture the extent of target objects in an…

Computer Vision and Pattern Recognition · Computer Science 2019-07-31 Ho-Deok Jang , Sanghyun Woo , Philipp Benz , Jinsun Park , In So Kweon

Existing approaches towards anomaly detection~(AD) often rely on a substantial amount of anomaly-free data to train representation and density models. However, large anomaly-free datasets may not always be available before the inference…

Computer Vision and Pattern Recognition · Computer Science 2024-03-01 Jingyi Liao , Xun Xu , Manh Cuong Nguyen , Adam Goodge , Chuan Sheng Foo

Few-shot anomaly detection (FSAD) has made significant strides, yet existing methods still face critical challenges: (i) dependence on task- or dataset-specific training/fine-tuning, (ii) reliance on language supervision or carefully…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Guohuan Xie , Xin He , Dingying Fan , Siqi Li , Yun Liu

Anchor-based methods are a pivotal approach in handling clustering of large-scale data. However, these methods typically entail two distinct stages: selecting anchor points and constructing an anchor graph. This bifurcation, along with the…

Machine Learning · Computer Science 2024-10-31 Shikun Mei , Fangfang Li , Quanxue Gao , Ming Yang

With the development of remote sensing technology, the acquisition of remote sensing images is easier and easier, which provides sufficient data resources for the task of detecting remote sensing objects. However, how to detect objects…

Computer Vision and Pattern Recognition · Computer Science 2020-09-08 Xi Gu , Lingbin Kong , Zhicheng Wang , Jie Li , Zhaohui Yu , Gang Wei

While Whole Slide Imaging (WSI) scanners remain the gold standard for digitizing pathology samples, their high cost limits accessibility in many healthcare settings. Other low-cost solutions also face critical limitations: automated…

Computer Vision and Pattern Recognition · Computer Science 2025-10-08 Yousef Yeganeh , Maximilian Frantzen , Michael Lee , Kun-Hsing Yu , Nassir Navab , Azade Farshad

Few-shot segmentation (FSS) aims to segment the target object in a query image using only a small set of support images and masks. Therefore, having strong prior information for the target object using the support set is essential for…

Computer Vision and Pattern Recognition · Computer Science 2026-01-07 Seonghyeon Moon , Haein Kong , Muhammad Haris Khan , Mubbasir Kapadia , Yuewei Lin

Few-shot semantic segmentation (FSS) aims to segment objects of novel categories in the query images given only a few annotated support samples. Existing methods primarily build the image-level correlation between the support target object…

Computer Vision and Pattern Recognition · Computer Science 2025-09-10 Chunlin Wen , Yu Zhang , Jie Fan , Hongyuan Zhu , Xiu-Shen Wei , Yijun Wang , Zhiqiang Kou , Shuzhou Sun

Few-shot learning (FSL) is one of the significant and hard problems in the field of image classification. However, in contrast to the rapid development of the visible light dataset, the progress in SAR target image classification is much…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Rui Zhang , Ziqi Wang , Yang Li , Jiabao Wang , Zhiteng Wang

Separable Non-negative Matrix Factorization (SNMF) is an important method for topic modeling, where "separable" assumes every topic contains at least one anchor word, defined as a word that has non-zero probability only on that topic. SNMF…

Information Retrieval · Computer Science 2019-05-16 Kun He , Wu Wang , Xiaosen Wang , John E. Hopcroft

Few-shot semantic segmentation (FSS) offers immense potential in the field of medical image analysis, enabling accurate object segmentation with limited training data. However, existing FSS techniques heavily rely on annotated semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Sanaz Karimijafarbigloo , Reza Azad , Dorit Merhof

Emerging interests have been brought to recognize previously unseen objects given very few training examples, known as few-shot object detection (FSOD). Recent researches demonstrate that good feature embedding is the key to reach favorable…

Computer Vision and Pattern Recognition · Computer Science 2021-03-16 Bo Sun , Banghuai Li , Shengcai Cai , Ye Yuan , Chi Zhang

Aircraft detection in Synthetic Aperture Radar (SAR) imagery is a challenging task in SAR Automatic Target Recognition (SAR ATR) areas due to aircraft's extremely discrete appearance, obvious intraclass variation, small size and serious…

Computer Vision and Pattern Recognition · Computer Science 2022-01-20 Yan Zhao , Lingjun Zhao , Zhong Liu , Dewen Hu , Gangyao Kuang , Li Liu