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Unsupervised representation learning has significantly advanced various machine learning tasks. In the computer vision domain, state-of-the-art approaches utilize transformations like random crop and color jitter to achieve invariant…

Computer Vision and Pattern Recognition · Computer Science 2025-01-16 Jaemyung Yu , Jaehyun Choi , Dong-Jae Lee , HyeongGwon Hong , Junmo Kim

Self-supervised learning techniques have shown their abilities to learn meaningful feature representation. This is made possible by training a model on pretext tasks that only requires to find correlations between inputs or parts of inputs.…

Computer Vision and Pattern Recognition · Computer Science 2020-01-17 Vishal Keshav , Fabien Delattre

We present a method for learning multiple scene representations given a small labeled set, by exploiting the relationships between such representations in the form of a multi-task hypergraph. We also show how we can use the hypergraph to…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Alina Marcu , Mihai Pirvu , Dragos Costea , Emanuela Haller , Emil Slusanschi , Ahmed Nabil Belbachir , Rahul Sukthankar , Marius Leordeanu

Self-supervised learning, which benefits from automatically constructing labels through pre-designed pretext task, has recently been applied for strengthen supervised learning. Since previous self-supervised pretext tasks are based on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-10 Zilin Ding , Yuhang Yang , Xuan Cheng , Xiaomin Wang , Ming Liu

3D visual grounding is a challenging task that often requires direct and dense supervision, notably the semantic label for each object in the scene. In this paper, we instead study the naturally supervised setting that learns from only 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Chun Feng , Joy Hsu , Weiyu Liu , Jiajun Wu

Recent methods in self-supervised learning have demonstrated that masking-based pretext tasks extend beyond NLP, serving as useful pretraining objectives in computer vision. However, existing approaches apply random or ad hoc masking…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Dylan Sam , Min Bai , Tristan McKinney , Li Erran Li

Airborne LiDAR systems have the capability to capture the Earth's surface by generating extensive point cloud data comprised of points mainly defined by 3D coordinates. However, labeling such points for supervised learning tasks is…

Computer Vision and Pattern Recognition · Computer Science 2023-12-25 Mariona Carós , Ariadna Just , Santi Seguí , Jordi Vitrià

Recent progress of self-supervised visual representation learning has achieved remarkable success on many challenging computer vision benchmarks. However, whether these techniques can be used for domain adaptation has not been explored. In…

Computer Vision and Pattern Recognition · Computer Science 2019-12-12 Jiaolong Xu , Liang Xiao , Antonio M. Lopez

Learning to construct text representations in end-to-end systems can be difficult, as natural languages are highly compositional and task-specific annotated datasets are often limited in size. Methods for directly supervising language…

Computation and Language · Computer Science 2018-11-15 Marek Rei , Anders Søgaard

We present a novel data-efficient semi-supervised framework to improve the generalization of image captioning models. Constructing a large-scale labeled image captioning dataset is an expensive task in terms of labor, time, and cost. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-27 Dong-Jin Kim , Tae-Hyun Oh , Jinsoo Choi , In So Kweon

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…

Computer Vision and Pattern Recognition · Computer Science 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

Much of the existing linguistic data in many languages of the world is locked away in non-digitized books and documents. Optical character recognition (OCR) can be used to produce digitized text, and previous work has demonstrated the…

Computation and Language · Computer Science 2021-11-05 Shruti Rijhwani , Daisy Rosenblum , Antonios Anastasopoulos , Graham Neubig

Self-supervised learning has transformed 2D computer vision by enabling models trained on large, unannotated datasets to provide versatile off-the-shelf features that perform similarly to models trained with labels. However, in 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Pedro Hermosilla , Christian Stippel , Leon Sick

In the field of 3D scene understanding, 3D scene graphs have emerged as a new scene representation that combines geometric and semantic information about objects and their relationships. However, learning semantic 3D scene graphs in a fully…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Sebastian Koch , Pedro Hermosilla , Narunas Vaskevicius , Mirco Colosi , Timo Ropinski

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-19 Sravanti Addepalli , Kaushal Bhogale , Priyam Dey , R. Venkatesh Babu

Self-supervised learning has emerged as a powerful paradigm for label-free model pretraining, particularly in the video domain, where manual annotation is costly and time-intensive. However, existing self-supervised approaches employ…

Computer Vision and Pattern Recognition · Computer Science 2025-04-09 Akash Kumar , Ashlesha Kumar , Vibhav Vineet , Yogesh S Rawat

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…

Computer Vision and Pattern Recognition · Computer Science 2021-11-04 Mrinal Anand , Aditya Garg

This paper explores learning rich self-supervised entity representations from large amounts of the associated text. Once pre-trained, these models become applicable to multiple entity-centric tasks such as ranked retrieval, knowledge base…

Computation and Language · Computer Science 2021-03-01 Yury Zemlyanskiy , Sudeep Gandhe , Ruining He , Bhargav Kanagal , Anirudh Ravula , Juraj Gottweis , Fei Sha , Ilya Eckstein

Textual graphs are ubiquitous in real-world applications, featuring rich text information with complex relationships, which enables advanced research across various fields. Textual graph representation learning aims to generate…

Machine Learning · Computer Science 2024-08-22 Wenbin Hu , Huihao Jing , Qi Hu , Haoran Li , Yangqiu Song

Self-supervised learning holds promise in leveraging large numbers of unlabeled data. However, its success heavily relies on the highly-curated dataset, e.g., ImageNet, which still needs human cleaning. Directly learning representations…

Computer Vision and Pattern Recognition · Computer Science 2023-02-24 Meilin Chen , Yizhou Wang , Shixiang Tang , Feng Zhu , Haiyang Yang , Lei Bai , Rui Zhao , Donglian Qi , Wanli Ouyang