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Optical flow estimation is a fundamental problem in computer vision, yet the reliance on expensive ground-truth annotations limits the scalability of supervised approaches. Although unsupervised and semi-supervised methods alleviate this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Yixuan Luo , Feng Qiao , Zhexiao Xiong , Yanjing Li , Nathan Jacobs

Existing methods for large-scale point cloud semantic segmentation require expensive, tedious and error-prone manual point-wise annotations. Intuitively, weakly supervised training is a direct solution to reduce the cost of labeling.…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Yachao Zhang , Zonghao Li , Yuan Xie , Yanyun Qu , Cuihua Li , Tao Mei

Significant performance improvement has been achieved for fully-supervised video salient object detection with the pixel-wise labeled training datasets, which are time-consuming and expensive to obtain. To relieve the burden of data…

Computer Vision and Pattern Recognition · Computer Science 2021-04-07 Wangbo Zhao , Jing Zhang , Long Li , Nick Barnes , Nian Liu , Junwei Han

Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that provides high-resolution cross-sectional images of the retina, which are useful for diagnosing and monitoring various retinal diseases. However, manual…

Image and Video Processing · Electrical Eng. & Systems 2023-11-07 Can Koz , Onat Dalmaz , Mertay Dayanc

Nuclei segmentation is a crucial task for whole slide image analysis in digital pathology. Generally, the segmentation performance of fully-supervised learning heavily depends on the amount and quality of the annotated data. However, it is…

Image and Video Processing · Electrical Eng. & Systems 2023-08-21 Yi Lin , Zhiyong Qu , Hao Chen , Zhongke Gao , Yuexiang Li , Lili Xia , Kai Ma , Yefeng Zheng , Kwang-Ting Cheng

Detecting 3D objects from point clouds is a practical yet challenging task that has attracted increasing attention recently. In this paper, we propose a Label-Guided auxiliary training method for 3D object detection (LG3D), which serves as…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Yaomin Huang , Xinmei Liu , Yichen Zhu , Zhiyuan Xu , Chaomin Shen , Zhengping Che , Guixu Zhang , Yaxin Peng , Feifei Feng , Jian Tang

We show that it is possible to learn semantic segmentation from very limited amounts of manual annotations, by enforcing geometric 3D constraints between multiple views. More exactly, image locations corresponding to the same physical 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Sinisa Stekovic , Friedrich Fraundorfer , Vincent Lepetit

Optical coherence tomography (OCT) is a non-invasive imaging technique widely used for ophthalmology. It can be extended to OCT angiography (OCT-A), which reveals the retinal vasculature with improved contrast. Recent deep learning…

Image and Video Processing · Electrical Eng. & Systems 2021-07-12 Dewei Hu , Can Cui , Hao Li , Kathleen E. Larson , Yuankai K. Tao , Ipek Oguz

Vision-language models (VLMs) such as CLIP exhibit strong Out-of-distribution (OOD) detection capabilities by aligning visual and textual representations. Recent CLIP-based test-time adaptation methods further improve detection performance…

Computation and Language · Computer Science 2026-04-20 Jinlun Ye , Jiang Liao , Runhe Lai , Xinhua Lu , Jiaxin Zhuang , Zhiyong Gan , Ruixuan Wang

Automated nodule segmentation is essential for computer-assisted diagnosis in ultrasound images. Nevertheless, most existing methods depend on precise pixel-level annotations by medical professionals, a process that is both costly and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Xingyue Zhao , Peiqi Li , Xiangde Luo , Meng Yang , Shi Chang , Zhongyu Li

Pseudo-labels are widely employed in weakly supervised 3D segmentation tasks where only sparse ground-truth labels are available for learning. Existing methods often rely on empirical label selection strategies, such as confidence…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Liyao Tang , Zhe Chen , Shanshan Zhao , Chaoyue Wang , Dacheng Tao

Retinal image quality assessment (RIQA) supports computer-aided diagnosis of eye diseases. However, most tools classify only overall image quality, without indicating acquisition defects to guide recapture. This gap is mainly due to the…

Reliable object perception is necessary for general-purpose service robots. Open-vocabulary detectors struggle to generalize beyond a few classes and fully supervised training of object detectors requires time-intensive annotations. We…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Vitalii Tutevych , Raphael Memmesheimer , Luca Eichler , Dmytro Pavlichenko , Fynn Schilke , Rodja Krudewig , Sven Behnke

Semi-supervised semantic segmentation aims to learn from a small amount of labeled data and plenty of unlabeled ones for the segmentation task. The most common approach is to generate pseudo-labels for unlabeled images to augment the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-25 Rui Chen , Tao Chen , Qiong Wang , Yazhou Yao

The emergent reasoning capabilities of Large Language Models (LLMs) offer a transformative paradigm for analyzing text-attributed graphs. While instruction tuning is the prevailing method for adapting pre-trained LLMs to graph learning…

Machine Learning · Computer Science 2026-01-21 Zixing Song , Irwin King

Semi-supervised medical image segmentation has attracted much attention in recent years because of the high cost of medical image annotations. In this paper, we propose a novel Inherent Consistent Learning (ICL) method, aims to learn robust…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Ye Zhu , Jie Yang , Si-Qi Liu , Ruimao Zhang

Serial sectioning Optical Coherence Tomography (sOCT) is a high-throughput, label free microscopic imaging technique that is becoming increasingly popular to study post-mortem neurovasculature. Quantitative analysis of the vasculature…

Image and Video Processing · Electrical Eng. & Systems 2024-05-24 Etienne Chollet , Yael Balbastre , Caroline Magnain , Bruce Fischl , Hui Wang

In the analysis of optical coherence tomography angiography (OCTA) images, the operation of segmenting specific targets is necessary. Existing methods typically train on supervised datasets with limited samples (approximately a few…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Chengliang Wang , Xinrun Chen , Haojian Ning , Shiying Li

Medical imaging has witnessed remarkable progress but usually requires a large amount of high-quality annotated data which is time-consuming and costly to obtain. To alleviate this burden, semi-supervised learning has garnered attention as…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Qingyue Wei , Lequan Yu , Xianhang Li , Wei Shao , Cihang Xie , Lei Xing , Yuyin Zhou

As research interests in medical image analysis become increasingly fine-grained, the cost for extensive annotation also rises. One feasible way to reduce the cost is to annotate with coarse-grained superclass labels while using limited…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Linrui Dai , Wenhui Lei , Xiaofan Zhang