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Incremental object detection is fundamentally challenged by catastrophic forgetting. A major factor contributing to this issue is background shift, where background categories in sequential tasks may overlap with either previously learned…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Mingyi Guo , Yuyang Liu , Zhiyuan Yan , Zongying Lin , Peixi Peng , Yonghong Tian

Class-agnostic image segmentation is a crucial component in automating image editing workflows, especially in contexts where object selection traditionally involves interactive tools. Existing methods in the literature often adhere to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Sebastian Dille , Ari Blondal , Sylvain Paris , Yağız Aksoy

Active learning aims to improve the performance of task model by selecting the most informative samples with a limited budget. Unlike most recent works that focused on applying active learning for image classification, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Weiping Yu , Sijie Zhu , Taojiannan Yang , Chen Chen

Object counting is a fundamental task in computer vision, with broad applicability in many real-world scenarios. Fully-supervised counting methods require costly point-level annotations per object. Few weakly-supervised methods leverage…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Xiaowen Zhang , Zijie Yue , Yong Luo , Cairong Zhao , Qijun Chen , Miaojing Shi

Class-agnostic counting (CAC) methods reduce annotation costs by letting users define what to count at test-time through text or visual exemplars. However, current open-vocabulary approaches work well for broad categories but fail when…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Adriano D'Alessandro , Ali Mahdavi-Amiri , Ghassan Hamarneh

Object detection models perform well at localizing and classifying objects that they are shown during training. However, due to the difficulty and cost associated with creating and annotating detection datasets, trained models detect a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-01 Ayush Jaiswal , Yue Wu , Pradeep Natarajan , Premkumar Natarajan

Class-agnostic object counting aims to count object instances of an arbitrary class at test time. It is challenging but also enables many potential applications. Current methods require human-annotated exemplars as inputs which are often…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Jingyi Xu , Hieu Le , Vu Nguyen , Viresh Ranjan , Dimitris Samaras

The class-agnostic counting (CAC) problem has caught increasing attention recently due to its wide societal applications and arduous challenges. To count objects of different categories, existing approaches rely on user-provided exemplars,…

Computer Vision and Pattern Recognition · Computer Science 2023-02-13 Mingjie Wang , Yande Li , Jun Zhou , Graham W. Taylor , Minglun Gong

In this paper we present a novel loss function, called class-agnostic segmentation (CAS) loss. With CAS loss the class descriptors are learned during training of the network. We don't require to define the label of a class a-priori, rather…

Computer Vision and Pattern Recognition · Computer Science 2021-08-21 Angira Sharma , Naeemullah Khan , Muhammad Mubashar , Ganesh Sundaramoorthi , Philip Torr

Meta AI recently released the Segment Anything model (SAM), which has garnered attention due to its impressive performance in class-agnostic segmenting. In this study, we explore the use of SAM for the challenging task of few-shot object…

Computer Vision and Pattern Recognition · Computer Science 2023-04-24 Zhiheng Ma , Xiaopeng Hong , Qinnan Shangguan

In this paper we present a novel loss function, called class-agnostic segmentation (CAS) loss. With CAS loss the class descriptors are learned during training of the network. We don't require to define the label of a class a-priori, rather…

Computer Vision and Pattern Recognition · Computer Science 2020-10-29 Angira Sharma , Naeemullah Khan , Ganesh Sundaramoorthi , Philip Torr

Camouflaged object detection (COD) poses a significant challenge in computer vision due to the high similarity between objects and their backgrounds. Existing approaches often rely on heavy training and large computational resources. While…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Wutao Liu , YiDan Wang , Pan Gao

We propose a novel framework for interactive class-agnostic object counting, where a human user can interactively provide feedback to improve the accuracy of a counter. Our framework consists of two main components: a user-friendly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Yifeng Huang , Viresh Ranjan , Minh Hoai

We present the Recognize Anything Model (RAM): a strong foundation model for image tagging. RAM makes a substantial step for large models in computer vision, demonstrating the zero-shot ability to recognize any common category with high…

Computer Vision and Pattern Recognition · Computer Science 2023-06-12 Youcai Zhang , Xinyu Huang , Jinyu Ma , Zhaoyang Li , Zhaochuan Luo , Yanchun Xie , Yuzhuo Qin , Tong Luo , Yaqian Li , Shilong Liu , Yandong Guo , Lei Zhang

Zero-shot object counting (ZOC) aims to enumerate objects in images using only the names of object classes during testing, without the need for manual annotations. However, a critical challenge in current ZOC methods lies in their inability…

Computer Vision and Pattern Recognition · Computer Science 2024-07-10 Huilin Zhu , Jingling Yuan , Zhengwei Yang , Yu Guo , Zheng Wang , Xian Zhong , Shengfeng He

While recent supervised methods for reference-based object counting continue to improve the performance on benchmark datasets, they have to rely on small datasets due to the cost associated with manually annotating dozens of objects in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Lukas Knobel , Tengda Han , Yuki M. Asano

The recently proposed segment anything model (SAM) has made a significant influence in many computer vision tasks. It is becoming a foundation step for many high-level tasks, like image segmentation, image caption, and image editing.…

Computer Vision and Pattern Recognition · Computer Science 2023-06-22 Xu Zhao , Wenchao Ding , Yongqi An , Yinglong Du , Tao Yu , Min Li , Ming Tang , Jinqiao Wang

Existing class-agnostic counting models typically rely on a single type of prompt, e.g., box annotations. This paper aims to establish a comprehensive prompt-based counting framework capable of generating density maps for concerned objects…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Wei Lin , Antoni B. Chan

Foundation models have rapidly evolved and have achieved significant accomplishments in computer vision tasks. Specifically, the prompt mechanism conveniently allows users to integrate image prior information into the model, making it…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Handi Deng , Yucheng Zhou , Jiaxuan Xiang , Liujie Gu , Yan Luo , Hai Feng , Mingyuan Liu , Cheng Ma

The class-agnostic counting (CAC) task has recently been proposed to solve the problem of counting all objects of an arbitrary class with several exemplars given in the input image. To address this challenging task, existing leading methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-14 Hefeng Wu , Yandong Chen , Lingbo Liu , Tianshui Chen , Keze Wang , Liang Lin