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Semi-supervised instance segmentation poses challenges due to limited labeled data, causing difficulties in accurately localizing distinct object instances. Current teacher-student frameworks still suffer from performance constraints due to…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Heeji Yoon , Heeseong Shin , Eunbeen Hong , Hyunwook Choi , Hansang Cho , Daun Jeong , Seungryong Kim

In this paper, we study teacher-student learning from the perspective of data initialization and propose a novel algorithm called Active Teacher(Source code are available at: \url{https://github.com/HunterJ-Lin/ActiveTeacher}) for…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Peng Mi , Jianghang Lin , Yiyi Zhou , Yunhang Shen , Gen Luo , Xiaoshuai Sun , Liujuan Cao , Rongrong Fu , Qiang Xu , Rongrong Ji

Detecting anatomical landmarks in medical imaging is essential for diagnosis and intervention guidance. However, object detection models rely on costly bounding box annotations, limiting scalability. Weakly Semi-Supervised Object Detection…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Adrien Meyer , Didier Mutter , Nicolas Padoy

Learned object detection methods based on fusion of LiDAR and camera data require labeled training samples, but niche applications, such as warehouse robotics or automated infrastructure, require semantic classes not available in large…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Ryan Rubel , Andrew Dudash , Mohammad Goli , James O'Hara , Karl Wunderlich

This paper focuses on source-free domain adaptation for object detection in computer vision. This task is challenging and of great practical interest, due to the cost of obtaining annotated data sets for every new domain. Recent research…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Yan Hao , Florent Forest , Olga Fink

In this paper, we address the problem of weakly supervised object localization (WSL), which trains a detection network on the dataset with only image-level annotations. The proposed approach is built on the observation that the proposal set…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Wenju Xu , Yuanwei Wu , Wenchi Ma , Guanghui Wang

Recently, unsupervised salient object detection (USOD) has gained increasing attention due to its annotation-free nature. However, current methods mainly focus on specific tasks such as RGB and RGB-D, neglecting the potential for task…

Computer Vision and Pattern Recognition · Computer Science 2024-08-14 Yao Yuan , Wutao Liu , Pan Gao , Qun Dai , Jie Qin

We propose a new approach, Synthetic Optimized Layout with Instance Detection (SOLID), to pretrain object detectors with synthetic images. Our "SOLID" approach consists of two main components: (1) generating synthetic images using a…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Hei Law , Jia Deng

Open-Vocabulary Object Detection (OVOD) aims to detect novel objects beyond a given set of base categories on which the detection model is trained. Recent OVOD methods focus on adapting the image-level pre-trained vision-language models…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Ruohuan Fang , Guansong Pang , Xiao Bai

Weakly-Supervised Object Detection (WSOD) and Localization (WSOL), i.e., detecting multiple and single instances with bounding boxes in an image using image-level labels, are long-standing and challenging tasks in the CV community. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Feifei Shao , Long Chen , Jian Shao , Wei Ji , Shaoning Xiao , Lu Ye , Yueting Zhuang , Jun Xiao

Despite significant success of deep learning in object detection tasks, the standard training of deep neural networks requires access to a substantial quantity of annotated images across all classes. Data annotation is an arduous and…

Computer Vision and Pattern Recognition · Computer Science 2023-08-16 Zeyu Shangguan , Mohammad Rostami

Inferring object 3D position and orientation from a single RGB camera is a foundational task in computer vision with many important applications. Traditionally, 3D object detection methods are trained in a fully-supervised setup, requiring…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Jan Skvrna , Lukas Neumann

Achieving joint learning of Salient Object Detection (SOD) and Camouflaged Object Detection (COD) is extremely challenging due to their distinct object characteristics, i.e., saliency and camouflage. The only preliminary research treats…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Yi Liu , Chengxin Li , Xiaohui Dong , Lei Li , Dingwen Zhang , Shoukun Xu , Jungong Han

We propose Deeply Supervised Object Detectors (DSOD), an object detection framework that can be trained from scratch. Recent advances in object detection heavily depend on the off-the-shelf models pre-trained on large-scale classification…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Zhiqiang Shen , Zhuang Liu , Jianguo Li , Yu-Gang Jiang , Yurong Chen , Xiangyang Xue

Fully-supervised salient object detection (SOD) methods have made great progress, but such methods often rely on a large number of pixel-level annotations, which are time-consuming and labour-intensive. In this paper, we focus on a new…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Runmin Cong , Qi Qin , Chen Zhang , Qiuping Jiang , Shiqi Wang , Yao Zhao , Sam Kwong

Various strategies for label-scarce object detection have been explored by the computer vision research community. These strategies mainly rely on assumptions that are specific to natural images and not directly applicable to the biological…

Building robust and generic object detection frameworks requires scaling to larger label spaces and bigger training datasets. However, it is prohibitively costly to acquire annotations for thousands of categories at a large scale. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Shiyu Zhao , Zhixing Zhang , Samuel Schulter , Long Zhao , Vijay Kumar B. G , Anastasis Stathopoulos , Manmohan Chandraker , Dimitris Metaxas

We present Deeply Supervised Object Detector (DSOD), a framework that can learn object detectors from scratch. State-of-the-art object objectors rely heavily on the off-the-shelf networks pre-trained on large-scale classification datasets…

Computer Vision and Pattern Recognition · Computer Science 2018-05-01 Zhiqiang Shen , Zhuang Liu , Jianguo Li , Yu-Gang Jiang , Yurong Chen , Xiangyang Xue

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

Despite the data labeling cost for the object detection tasks being substantially more than that of the classification tasks, semi-supervised learning methods for object detection have not been studied much. In this paper, we propose an…

Computer Vision and Pattern Recognition · Computer Science 2021-01-01 Jisoo Jeong , Vikas Verma , Minsung Hyun , Juho Kannala , Nojun Kwak