English
Related papers

Related papers: Exemplar Free Class Agnostic Counting

200 papers

Supervised object detection has been proven to be successful in many benchmark datasets achieving human-level performances. However, acquiring a large amount of labeled image samples for supervised detection training is tedious,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-12 Bishwo Adhikari , Esa Rahtu , Heikki Huttunen

Much recent work on visual recognition aims to scale up learning to massive, noisily-annotated datasets. We address the problem of scaling- up the evaluation of such models to large-scale datasets with noisy labels. Current protocols for…

Computer Vision and Pattern Recognition · Computer Science 2018-07-03 Phuc Nguyen , Deva Ramanan , Charless Fowlkes

In contrast to the incremental classification task, the incremental detection task is characterized by the presence of data ambiguity, as an image may have differently labeled bounding boxes across multiple continuous learning stages. This…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Ziyue Huang , Yupeng He , Qingjie Liu , Yunhong Wang

We develop a technique for automatically detecting the classification errors of a pre-trained visual classifier. Our method is agnostic to the form of the classifier, requiring access only to classifier responses to a set of inputs. We…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yuval Bahat , Gregory Shakhnarovich

We consider the problem of zero-shot one-class visual classification, extending traditional one-class classification to scenarios where only the label of the target class is available. This method aims to discriminate between positive and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Yassir Bendou , Giulia Lioi , Bastien Pasdeloup , Lukas Mauch , Ghouthi Boukli Hacene , Fabien Cardinaux , Vincent Gripon

The exemplar-free class incremental learning requires classification models to learn new class knowledge incrementally without retaining any old samples. Recently, the framework based on parallel one-class classifiers (POC), which trains a…

Machine Learning · Computer Science 2025-01-28 Wenju Sun , Qingyong Li , Jing Zhang , Danyu Wang , Wen Wang , Yangli-ao Geng

Object-Counting for remote-sensing (RS) imagery is attracting increasing research interest due to its crucial role in a wide and diverse set of applications. While several promising methods for RS object-counting have been proposed,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Tamir Shor , George Leifman , Genady Beryozkin

This paper reports a new solution of leveraging temporal classification to support weakly supervised object detection (WSOD). Specifically, we introduce raster scan-order techniques to serialize 2D images into 1D sequence data, and then…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Chia-Yu Hsu , Wenwen Li

Visual Question Answering (VQA) models have struggled with counting objects in natural images so far. We identify a fundamental problem due to soft attention in these models as a cause. To circumvent this problem, we propose a neural…

Computer Vision and Pattern Recognition · Computer Science 2018-02-19 Yan Zhang , Jonathon Hare , Adam Prügel-Bennett

Determining positive/negative samples for object detection is known as label assignment. Here we present an anchor-free detector named AutoAssign. It requires little human knowledge and achieves appearance-aware through a fully…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Benjin Zhu , Jianfeng Wang , Zhengkai Jiang , Fuhang Zong , Songtao Liu , Zeming Li , Jian Sun

Due to the fact that it is prohibitively expensive to completely annotate visual relationships, i.e., the (obj1, rel, obj2) triplets, relationship models are inevitably biased to object classes of limited pairwise patterns, leading to poor…

Computer Vision and Pattern Recognition · Computer Science 2018-08-02 Xu Yang , Hanwang Zhang , Jianfei Cai

Human beings not only have the ability to recognize novel unseen classes, but also can incrementally incorporate the new classes to existing knowledge preserved. However, zero-shot learning models assume that all seen classes should be…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sixiao Zheng , Yanwei Fu , Yanxi Hou

This paper presents CountEx, a discriminative visual counting framework designed to address a key limitation of existing prompt-based methods: the inability to explicitly exclude visually similar distractors. While current approaches allow…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Yifeng Huang , Gia Khanh Nguyen , Minh Hoai

Exemplar-Free Class Incremental Learning is a highly challenging setting where replay memory is unavailable. Methods relying on frozen feature extractors have drawn attention recently in this setting due to their impressive performances and…

Machine Learning · Computer Science 2025-02-28 Quentin Jodelet , Xin Liu , Yin Jun Phua , Tsuyoshi Murata

Food image classification is challenging for real-world applications since existing methods require static datasets for training and are not capable of learning from sequentially available new food images. Online continual learning aims to…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiangpeng He , Fengqing Zhu

We introduce count-guided weakly supervised localization (C-WSL), an approach that uses per-class object count as a new form of supervision to improve weakly supervised localization (WSL). C-WSL uses a simple count-based region selection…

Computer Vision and Pattern Recognition · Computer Science 2018-07-26 Mingfei Gao , Ang Li , Ruichi Yu , Vlad I. Morariu , Larry S. Davis

Active learning approaches in computer vision generally involve querying strong labels for data. However, previous works have shown that weak supervision can be effective in training models for vision tasks while greatly reducing annotation…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Sai Vikas Desai , Akshay L Chandra , Wei Guo , Seishi Ninomiya , Vineeth N Balasubramanian

We propose a non-iterative method to optimize pseudo-labeling thresholds for learning object detection from a collection of low-cost datasets, each of which is annotated for only a subset of all the object classes. A popular approach to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-21 Yuki Tanaka , Shuhei M. Yoshida , Makoto Terao

Jointing visual-semantic embeddings (VSE) have become a research hotpot for the task of image annotation, which suffers from the issue of semantic gap, i.e., the gap between images' visual features (low-level) and labels' semantic features…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Guibing Guo , Songlin Zhai , Fajie Yuan , Yuan Liu , Xingwei Wang

Addressing the challenge of domain shift between datasets is vital in maintaining model performance. In the context of cross-domain object detection, the teacher-student framework, a widely-used semi-supervised model, has shown significant…

Computer Vision and Pattern Recognition · Computer Science 2024-09-19 Runou Yang , Tian Tian , Jinwen Tian