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Training accurate 3D human pose estimators requires large amount of 3D ground-truth data which is costly to collect. Various weakly or self supervised pose estimation methods have been proposed due to lack of 3D data. Nevertheless, these…

计算机视觉与模式识别 · 计算机科学 2019-04-10 Muhammed Kocabas , Salih Karagoz , Emre Akbas

The performance of existing single-view 3D reconstruction methods heavily relies on large-scale 3D annotations. However, such annotations are tedious and expensive to collect. Semi-supervised learning serves as an alternative way to…

计算机视觉与模式识别 · 计算机科学 2022-10-03 Zhen Xing , Hengduo Li , Zuxuan Wu , Yu-Gang Jiang

We witnessed a massive growth in the supervised learning paradigm in the past decade. Supervised learning requires a large amount of labeled data to reach state-of-the-art performance. However, labeling the samples requires a lot of human…

计算机视觉与模式识别 · 计算机科学 2021-11-04 Mrinal Anand , Aditya Garg

Self-supervised learning (SSL) plays a central role in molecular representation learning. Yet, many recent innovations in masking-based pretraining are introduced as heuristics and lack principled evaluation, obscuring which design choices…

机器学习 · 计算机科学 2025-12-09 Jiannan Yang , Veronika Thost , Tengfei Ma

3D human pose estimation is a key component of clinical monitoring systems. The clinical applicability of deep pose estimation models, however, is limited by their poor generalization under domain shifts along with their need for sufficient…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Alexander Bigalke , Lasse Hansen , Jasper Diesel , Carlotta Hennigs , Philipp Rostalski , Mattias P. Heinrich

We explore the impact of training with more diverse datasets, characterized by the number of unique samples, on the performance of self-supervised learning (SSL) under a fixed computational budget. Our findings consistently demonstrate that…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Hasan Abed Al Kader Hammoud , Tuhin Das , Fabio Pizzati , Philip Torr , Adel Bibi , Bernard Ghanem

Unsupervised learning has made substantial progress over the last few years, especially by means of contrastive self-supervised learning. The dominating dataset for benchmarking self-supervised learning has been ImageNet, for which recent…

图像与视频处理 · 电气工程与系统科学 2022-08-17 Karin Stacke , Jonas Unger , Claes Lundström , Gabriel Eilertsen

Self-supervision has emerged as a propitious method for visual representation learning after the recent paradigm shift from handcrafted pretext tasks to instance-similarity based approaches. Most state-of-the-art methods enforce similarity…

计算机视觉与模式识别 · 计算机科学 2022-10-19 Sravanti Addepalli , Kaushal Bhogale , Priyam Dey , R. Venkatesh Babu

As 3D human pose estimation can now be achieved with very high accuracy in the supervised learning scenario, tackling the case where 3D pose annotations are not available has received increasing attention. In particular, several methods…

计算机视觉与模式识别 · 计算机科学 2023-09-22 Krishna Kanth Nakka , Mathieu Salzmann

Maintaining proper form while exercising is important for preventing injuries and maximizing muscle mass gains. Detecting errors in workout form naturally requires estimating human's body pose. However, off-the-shelf pose estimators…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Paritosh Parmar , Amol Gharat , Helge Rhodin

Reducing the quantity of annotations required for supervised training is vital when labels are scarce and costly. This reduction is particularly important for semantic segmentation tasks involving 3D datasets, which are often significantly…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Andrej Janda , Brandon Wagstaff , Edwin G. Ng , Jonathan Kelly

Pose estimation of the human body and hands is a fundamental problem in computer vision, and learning-based solutions require a large amount of annotated data. In this work, we improve the efficiency of the data annotation process for 3D…

计算机视觉与模式识别 · 计算机科学 2023-01-19 Qi Feng , Kun He , He Wen , Cem Keskin , Yuting Ye

Self-supervised learning (SSL), which can automatically generate ground-truth samples from raw data, holds vast potential to improve recommender systems. Most existing SSL-based methods perturb the raw data graph with uniform node/edge…

信息检索 · 计算机科学 2021-08-27 Junliang Yu , Hongzhi Yin , Min Gao , Xin Xia , Xiangliang Zhang , Nguyen Quoc Viet Hung

Existing 3D human pose estimation methods often suffer in performance, when applied to cross-scenario inference, due to domain shifts in characteristics such as camera viewpoint, position, posture, and body size. Among these factors, camera…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Jingjing Liu , Zhiyong Wang , Xinyu Fan , Amirhossein Dadashzadeh , Honghai Liu , Majid Mirmehdi

Purpose: Paranasal anomalies, frequently identified in routine radiological screenings, exhibit diverse morphological characteristics. Due to the diversity of anomalies, supervised learning methods require large labelled dataset exhibiting…

The success of deep neural networks generally requires a vast amount of training data to be labeled, which is expensive and unfeasible in scale, especially for video collections. To alleviate this problem, in this paper, we propose…

计算机视觉与模式识别 · 计算机科学 2019-04-05 Longlong Jing , Xiaodong Yang , Jingen Liu , Yingli Tian

Supervised learning demands large amounts of precisely annotated data to achieve promising results. Such data curation is labor-intensive and imposes significant overhead regarding time and costs. Self-supervised learning (SSL) partially…

计算机视觉与模式识别 · 计算机科学 2025-05-21 Thangarajah Akilan , Nusrat Jahan , Wandong Zhang

This study assesses whether self-supervised learning (SSL) improves knee osteoarthritis (OA) modeling for diagnosis and prognosis relative to ImageNet-pretrained initialization. We compared (i) image-only SSL pretrained on knee radiographs…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Haresh Rengaraj Rajamohan , Yuxuan Chen , Kyunghyun Cho , Cem M. Deniz

Supervised fine-tuning methods (SFT) perform great efficiency on artificial intelligence interpretation in SAR images, leveraging the powerful representation knowledge from pre-training models. Due to the lack of domain-specific pre-trained…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Xinyang Pu , Feng Xu

Recent work has shown that self-supervised pre-training leads to improvements over supervised learning on challenging visual recognition tasks. CLIP, an exciting new approach to learning with language supervision, demonstrates promising…

计算机视觉与模式识别 · 计算机科学 2021-12-24 Norman Mu , Alexander Kirillov , David Wagner , Saining Xie