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We propose a weakly supervised approach for creating maps using free-form textual descriptions. We refer to this work of creating textual maps as zero-shot mapping. Prior works have approached mapping tasks by developing models that predict…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Aayush Dhakal , Adeel Ahmad , Subash Khanal , Srikumar Sastry , Hannah Kerner , Nathan Jacobs

Building on progress in feature representations for image retrieval, image-based localization has seen a surge of research interest. Image-based localization has the advantage of being inexpensive and efficient, often avoiding the use of 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-07-12 Janine Thoma , Danda Pani Paudel , Ajad Chhatkuli , Thomas Probst , Luc Van Gool

Multimodal deep learning utilizing imaging and diagnostic reports has made impressive progress in the field of medical imaging diagnostics, demonstrating a particularly strong capability for auxiliary diagnosis in cases where sufficient…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Hao Yang , Hong-Yu Zhou , Cheng Li , Weijian Huang , Jiarun Liu , Yong Liang , Guangming Shi , Hairong Zheng , Qiegen Liu , Shanshan Wang

In this paper, we explore the challenging 1-to-N map matching problem, which exploits a compact description of map data, to improve the scalability of map matching techniques used by various robot vision tasks. We propose a first method…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Shogo Hanada , Kanji Tanaka

Humans are expert explorers. Understanding the computational cognitive mechanisms that support this efficiency can advance the study of the human mind and enable more efficient exploration algorithms. We hypothesize that humans explore new…

Machine Learning · Computer Science 2022-03-21 Sugandha Sharma , Aidan Curtis , Marta Kryven , Josh Tenenbaum , Ila Fiete

Entity resolution is a widely studied problem with several proposals to match records across relations. Matching textual content is a widespread task in many applications, such as question answering and search. While recent methods achieve…

Databases · Computer Science 2021-12-17 Naser Ahmadi , Hansjorg Sand , Paolo Papotti

Deep neural networks have achieved great successes on the image captioning task. However, most of the existing models depend heavily on paired image-sentence datasets, which are very expensive to acquire. In this paper, we make the first…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Yang Feng , Lin Ma , Wei Liu , Jiebo Luo

This paper proposes an unsupervised method for learning a unified representation that serves both discriminative and generative purposes. While most existing unsupervised learning approaches focus on a representation for only one of these…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Shengbang Tong , Xili Dai , Yubei Chen , Mingyang Li , Zengyi Li , Brent Yi , Yann LeCun , Yi Ma

Self-supervised learning is a machine learning approach that generates implicit labels by learning underlined patterns and extracting discriminative features from unlabeled data without manual labelling. Contrastive learning introduces the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Asifullah Khan , Laiba Asmatullah , Anza Malik , Shahzaib Khan , Hamna Asif

This paper proposes a method to ease the unsupervised learning of object landmark detectors. Similarly to previous methods, our approach is fully unsupervised in a sense that it does not require or make any use of annotated landmarks for…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Enrique Sanchez , Georgios Tzimiropoulos

A common way to explore text corpora is through low-dimensional projections of the documents, where one hopes that thematically similar documents will be clustered together in the projected space. However, popular algorithms for…

Computation and Language · Computer Science 2023-08-04 Charumathi Badrinath , Weiwei Pan , Finale Doshi-Velez

The concept of unsupervised universal sentence encoders has gained traction recently, wherein pre-trained models generate effective task-agnostic fixed-dimensional representations for phrases, sentences and paragraphs. Such methods are of…

Computation and Language · Computer Science 2021-02-09 Subhradeep Kayal

For a self-driving car to operate reliably, its perceptual system must generalize to the end-user's environment -- ideally without additional annotation efforts. One potential solution is to leverage unlabeled data (e.g., unlabeled LiDAR…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Yurong You , Cheng Perng Phoo , Katie Z Luo , Travis Zhang , Wei-Lun Chao , Bharath Hariharan , Mark Campbell , Kilian Q. Weinberger

Navigation is an essential ability for mobile agents to be completely autonomous and able to perform complex actions. However, the problem of navigation for agents with limited (or no) perception of the world, or devoid of a fully defined…

Robotics · Computer Science 2020-11-30 Danilo Perico , Paulo E. Santos , Reinaldo Bianchi

Unsupervised multi-object scene decomposition is a fast-emerging problem in representation learning. Despite significant progress in static scenes, such models are unable to leverage important dynamic cues present in video. We propose a…

Computer Vision and Pattern Recognition · Computer Science 2020-06-29 Polina Zablotskaia , Edoardo A. Dominici , Leonid Sigal , Andreas M. Lehrmann

In traditional Distributional Semantic Models (DSMs) the multiple senses of a polysemous word are conflated into a single vector space representation. In this work, we propose a DSM that learns multiple distributional representations of a…

Computation and Language · Computer Science 2019-04-12 Eleftheria Briakou , Nikos Athanasiou , Alexandros Potamianos

We present a novel unsupervised learning approach to image landmark discovery by incorporating the inter-subject landmark consistencies on facial images. This is achieved via an inter-subject mapping module that transforms original subject…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Weijian Li , Haofu Liao , Shun Miao , Le Lu , Jiebo Luo

Humans are able to localize objects in the environment using both visual and auditory cues, integrating information from multiple modalities into a common reference frame. We introduce a system that can leverage unlabeled audio-visual data…

Computer Vision and Pattern Recognition · Computer Science 2019-10-28 Chuang Gan , Hang Zhao , Peihao Chen , David Cox , Antonio Torralba

Textual grounding, i.e., linking words to objects in images, is a challenging but important task for robotics and human-computer interaction. Existing techniques benefit from recent progress in deep learning and generally formulate the task…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Raymond A. Yeh , Minh N. Do , Alexander G. Schwing

Recent advances in self-supervised visual representation learning have paved the way for unsupervised methods tackling tasks such as object discovery and instance segmentation. However, discovering objects in an image with no supervision is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Oriane Siméoni , Chloé Sekkat , Gilles Puy , Antonin Vobecky , Éloi Zablocki , Patrick Pérez