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A large labeled dataset is a key to the success of supervised deep learning, but for medical image segmentation, it is highly challenging to obtain sufficient annotated images for model training. In many scenarios, unannotated images are…

计算机视觉与模式识别 · 计算机科学 2021-07-13 Hao Zheng , Jun Han , Hongxiao Wang , Lin Yang , Zhuo Zhao , Chaoli Wang , Danny Z. Chen

Most of the existing literature regarding hyperbolic embedding concentrate upon supervised learning, whereas the use of unsupervised hyperbolic embedding is less well explored. In this paper, we analyze how unsupervised tasks can benefit…

机器学习 · 计算机科学 2021-03-31 Jiwoong Park , Junho Cho , Hyung Jin Chang , Jin Young Choi

Self-supervised learning (SSL) has emerged as a powerful technique for learning visual representations. While recent SSL approaches achieve strong results in global image understanding, they are limited in capturing the structured…

计算机视觉与模式识别 · 计算机科学 2025-08-28 Oussama Hadjerci , Antoine Letienne , Mohamed Abbas Hedjazi , Adel Hafiane

Spatial Transcriptomics (ST) merges the benefits of pathology images and gene expression, linking molecular profiles with tissue structure to analyze spot-level function comprehensively. Predicting gene expression from histology images is a…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Chen Zhang , Yilu An , Ying Chen , Hao Li , Xitong Ling , Lihao Liu , Junjun He , Yuxiang Lin , Zihui Wang , Rongshan Yu

We present a novel technique for self-supervised video representation learning by: (a) decoupling the learning objective into two contrastive subtasks respectively emphasizing spatial and temporal features, and (b) performing it…

计算机视觉与模式识别 · 计算机科学 2021-09-02 Zehua Zhang , David Crandall

3D-aware visual pretraining has proven effective in improving the performance of downstream robotic manipulation tasks. However, existing methods are constrained to Euclidean embedding spaces, whose flat geometry limits their ability to…

机器人学 · 计算机科学 2026-03-13 Jin Yang , Ping Wei , Yixin Chen , Nanning Zheng

Human trajectory prediction plays a crucial role in applications such as autonomous navigation and video surveillance. While recent works have explored the integration of human skeleton sequences to complement trajectory information,…

计算机视觉与模式识别 · 计算机科学 2026-02-27 Taishu Arashima , Hiroshi Kera , Kazuhiko Kawamoto

Self-supervised learning has shown great promise due to its capability to train deep learning MRI reconstruction methods without fully-sampled data. Current self-supervised learning methods for physics-guided reconstruction networks split…

图像与视频处理 · 电气工程与系统科学 2022-07-19 Burhaneddin Yaman , Hongyi Gu , Seyed Amir Hossein Hosseini , Omer Burak Demirel , Steen Moeller , Jutta Ellermann , Kâmil Uğurbil , Mehmet Akçakaya

Generative models, as a powerful technique for generation, also gradually become a critical tool for recognition tasks. However, in skeleton-based action recognition, the features obtained from existing pre-trained generative methods…

计算机视觉与模式识别 · 计算机科学 2024-10-29 Lilang Lin , Lehong Wu , Jiahang Zhang , Jiaying Liu

We approach self-supervised learning of image representations from a statistical dependence perspective, proposing Self-Supervised Learning with the Hilbert-Schmidt Independence Criterion (SSL-HSIC). SSL-HSIC maximizes dependence between…

机器学习 · 统计学 2021-12-06 Yazhe Li , Roman Pogodin , Danica J. Sutherland , Arthur Gretton

Recent advances in deep learning have made it increasingly feasible to estimate heart rate remotely in smart environments by analyzing videos. However, a notable limitation of deep learning methods is their heavy reliance on extensive sets…

计算机视觉与模式识别 · 计算机科学 2023-10-25 Divij Gupta , Ali Etemad

3D contrastive representation learning has exhibited remarkable efficacy across various downstream tasks. However, existing contrastive learning paradigms based on cosine similarity fail to deeply explore the potential intra-modal…

计算机视觉与模式识别 · 计算机科学 2024-09-25 Naiwen Hu , Haozhe Cheng , Yifan Xie , Pengcheng Shi , Jihua Zhu

Self-supervised learning has significantly improved the performance of many NLP tasks. However, how can self-supervised learning discover useful representations, and why is it better than traditional approaches such as probabilistic models…

计算与语言 · 计算机科学 2023-03-01 Zeping Luo , Shiyou Wu , Cindy Weng , Mo Zhou , Rong Ge

Backward compatible representation learning enables updated models to integrate seamlessly with existing ones, avoiding to reprocess stored data. Despite recent advances, existing compatibility approaches in Euclidean space neglect the…

机器学习 · 计算机科学 2025-06-09 Ngoc Bui , Menglin Yang , Runjin Chen , Leonardo Neves , Mingxuan Ju , Rex Ying , Neil Shah , Tong Zhao

Automated assessment of human motion plays a vital role in rehabilitation, enabling objective evaluation of patient performance and progress. Unlike general human activity recognition, rehabilitation motion assessment focuses on analyzing…

计算机视觉与模式识别 · 计算机科学 2025-07-29 Ali Ismail-Fawaz , Maxime Devanne , Stefano Berretti , Jonathan Weber , Germain Forestier

Multimodal human action understanding is a significant problem in computer vision, with the central challenge being the effective utilization of the complementarity among diverse modalities while maintaining model efficiency. However, most…

计算机视觉与模式识别 · 计算机科学 2026-03-11 Hongsong Wang , Heng Fei , Bingxuan Dai , Jie Gui

In self-supervised learning, one trains a model to solve a so-called pretext task on a dataset without the need for human annotation. The main objective, however, is to transfer this model to a target domain and task. Currently, the most…

计算机视觉与模式识别 · 计算机科学 2018-05-02 Mehdi Noroozi , Ananth Vinjimoor , Paolo Favaro , Hamed Pirsiavash

The progress on Hyperspectral image (HSI) super-resolution (SR) is still lagging behind the research of RGB image SR. HSIs usually have a high number of spectral bands, so accurately modeling spectral band interaction for HSI SR is hard.…

计算机视觉与模式识别 · 计算机科学 2024-09-16 Ke Li , Luc Van Gool , Dengxin Dai

Self-supervised learning (SSL) holds promise in leveraging large amounts of unlabeled data. However, the success of popular SSL methods has limited on single-centric-object images like those in ImageNet and ignores the correlation among the…

计算机视觉与模式识别 · 计算机科学 2022-03-15 Zhaowen Li , Yousong Zhu , Fan Yang , Wei Li , Chaoyang Zhao , Yingying Chen , Zhiyang Chen , Jiahao Xie , Liwei Wu , Rui Zhao , Ming Tang , Jinqiao Wang

Self-supervised pre-training paradigms have been extensively explored in the field of skeleton-based action recognition. In particular, methods based on masked prediction have pushed the performance of pre-training to a new height. However,…

计算机视觉与模式识别 · 计算机科学 2024-01-03 Ruizhuo Xu , Linzhi Huang , Mei Wang , Jiani Hu , Weihong Deng