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The application of cross-dataset training in object detection tasks is complicated because the inconsistency in the category range across datasets transforms fully supervised learning into semi-supervised learning. To address this problem,…

Computer Vision and Pattern Recognition · Computer Science 2022-04-04 Ze Chen , Zhihang Fu , Jianqiang Huang , Mingyuan Tao , Shengyu Li , Rongxin Jiang , Xiang Tian , Yaowu Chen , Xian-sheng Hua

A critical object detection task is finetuning an existing model to detect novel objects, but the standard workflow requires bounding box annotations which are time-consuming and expensive to collect. Weakly supervised object detection…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Tyler LaBonte , Yale Song , Xin Wang , Vibhav Vineet , Neel Joshi

Object detection has achieved a huge breakthrough with deep neural networks and massive annotated data. However, current detection methods cannot be directly transferred to the scenario where the annotated data is scarce due to the severe…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Qihan Huang , Haofei Zhang , Mengqi Xue , Jie Song , Mingli Song

Semi-supervised object detection (SSOD) aims to improve the performance and generalization of existing object detectors by utilizing limited labeled data and extensive unlabeled data. Despite many advances, recent SSOD methods are still…

Computer Vision and Pattern Recognition · Computer Science 2023-10-30 Seyed Mojtaba Marvasti-Zadeh , Nilanjan Ray , Nadir Erbilgin

Weakly-supervised object detection attempts to limit the amount of supervision by dispensing the need for bounding boxes, but still assumes image-level labels on the entire training set. In this work, we study the problem of training an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-22 Zhaohui Yang , Miaojing Shi , Chao Xu , Vittorio Ferrari , Yannis Avrithis

Scale variation across object instances remains a key challenge in object detection task. Despite the remarkable progress made by modern detection models, this challenge is particularly evident in the semi-supervised case. While existing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Liang Liu , Boshen Zhang , Jiangning Zhang , Wuhao Zhang , Zhenye Gan , Guanzhong Tian , Wenbing Zhu , Yabiao Wang , Chengjie Wang

Training deep object detectors requires significant amount of human-annotated images with accurate object labels and bounding box coordinates, which are extremely expensive to acquire. Noisy annotations are much more easily accessible, but…

Computer Vision and Pattern Recognition · Computer Science 2020-03-04 Junnan Li , Caiming Xiong , Richard Socher , Steven Hoi

With basic Semi-Supervised Object Detection (SSOD) techniques, one-stage detectors generally obtain limited promotions compared with two-stage clusters. We experimentally find that the root lies in two kinds of ambiguities: (1) Selection…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Chang Liu , Weiming Zhang , Xiangru Lin , Wei Zhang , Xiao Tan , Junyu Han , Xiaomao Li , Errui Ding , Jingdong Wang

Existing camouflaged object detection~(COD) methods depend heavily on large-scale pixel-level annotations.However, acquiring such annotations is laborious due to the inherent camouflage characteristics of the objects.Semi-supervised…

Computer Vision and Pattern Recognition · Computer Science 2024-08-16 Xunfa Lai , Zhiyu Yang , Jie Hu , Shengchuan Zhang , Liujuan Cao , Guannan Jiang , Zhiyu Wang , Songan Zhang , Rongrong Ji

The great progress of 3D object detectors relies on large-scale data and 3D annotations. The annotation cost for 3D bounding boxes is extremely expensive while the 2D ones are easier and cheaper to collect. In this paper, we introduce a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-16 Jinrong Yang , Tiancai Wang , Zheng Ge , Weixin Mao , Xiaoping Li , Xiangyu Zhang

While modern visual recognition systems have made significant advancements, many continue to struggle with the open problem of learning from few exemplars. This paper focuses on the task of object detection in the setting where object…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Phi Vu Tran

The success of existing salient object detection models relies on a large pixel-wise labeled training dataset, which is time-consuming and expensive to obtain. We study semi-supervised salient object detection, with access to a small number…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Jiawei Liu , Jing Zhang , Nick Barnes

The Mean-Teacher (MT) scheme is widely adopted in semi-supervised object detection (SSOD). In MT, the sparse pseudo labels, offered by the final predictions of the teacher (e.g., after Non Maximum Suppression (NMS) post-processing), are…

Computer Vision and Pattern Recognition · Computer Science 2022-07-13 Gang Li , Xiang Li , Yujie Wang , Yichao Wu , Ding Liang , Shanshan Zhang

Camouflaged Object Detection (COD) demands models to expeditiously and accurately distinguish objects which conceal themselves seamlessly in the environment. Owing to the subtle differences and ambiguous boundaries, COD is not only a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Huafeng Chen , Dian Shao , Guangqian Guo , Shan Gao

Conventional training of deep neural networks requires a large number of the annotated image which is a laborious and time-consuming task, particularly for rare objects. Few-shot object detection (FSOD) methods offer a remedy by realizing…

Computer Vision and Pattern Recognition · Computer Science 2023-03-21 Zeyu Shangguan , Mohammad Rostami

Open-World Object Detection (OWOD) extends object detection problem to a realistic and dynamic scenario, where a detection model is required to be capable of detecting both known and unknown objects and incrementally learning newly…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Ruohuan Fang , Guansong Pang , Lei Zhou , Xiao Bai , Jin Zheng

Deep learning-based video salient object detection has recently achieved great success with its performance significantly outperforming any other unsupervised methods. However, existing data-driven approaches heavily rely on a large…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Pengxiang Yan , Guanbin Li , Yuan Xie , Zhen Li , Chuan Wang , Tianshui Chen , Liang Lin

Semi-supervised learning (SSL) has a potential to improve the predictive performance of machine learning models using unlabeled data. Although there has been remarkable recent progress, the scope of demonstration in SSL has mainly been on…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Kihyuk Sohn , Zizhao Zhang , Chun-Liang Li , Han Zhang , Chen-Yu Lee , Tomas Pfister

Stripe-like space target detection (SSTD) is crucial for space situational awareness. Traditional unsupervised methods often fail in low signal-to-noise ratio and variable stripe-like space targets scenarios, leading to weak generalization.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-12 Zijian Zhu , Ali Zia , Xuesong Li , Bingbing Dan , Yuebo Ma , Hongfeng Long , Kaili Lu , Enhai Liu , Rujin Zhao

LiDAR-based outdoor 3D object detection has received widespread attention. However, training 3D detectors from the LiDAR point cloud typically relies on expensive bounding box annotations. This paper presents SC3D, an innovative…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Qiming Xia , Hongwei Lin , Wei Ye , Hai Wu , Yadan Luo , Cheng Wang , Chenglu Wen