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To perform tasks specified by natural language instructions, autonomous agents need to extract semantically meaningful representations of language and map it to visual elements and actions in the environment. This problem is called…

Hierarchical reinforcement learning has been a compelling approach for achieving goal directed behavior over long sequences of actions. However, it has been challenging to implement in realistic or open-ended environments. A main challenge…

机器学习 · 计算机科学 2023-09-22 Arun Ahuja , Kavya Kopparapu , Rob Fergus , Ishita Dasgupta

In recent years, significant progress has been made in scene text recognition by data-driven methods. However, due to the scarcity of annotated real-world data, the training of these methods predominantly relies on synthetic data. The…

计算机视觉与模式识别 · 计算机科学 2024-08-06 Yujin Ren , Jiaxin Zhang , Lianwen Jin

Self-play with large language models has emerged as a promising paradigm for achieving self-improving artificial intelligence. However, existing self-play frameworks often suffer from optimization instability, due to (i) non-stationary…

人工智能 · 计算机科学 2026-01-22 Shengda Fan , Xuyan Ye , Yankai Lin

This paper introduces a novel self-supervised learning framework for enhancing 3D perception in autonomous driving scenes. Specifically, our approach, namely NCLR, focuses on 2D-3D neural calibration, a novel pretext task that estimates the…

计算机视觉与模式识别 · 计算机科学 2025-08-21 Yifan Zhang , Junhui Hou , Siyu Ren , Jinjian Wu , Yixuan Yuan , Guangming Shi

Supervised Dictionary Learning has gained much interest in the recent decade and has shown significant performance improvements in image classification. However, in general, supervised learning needs a large number of labelled samples per…

计算机视觉与模式识别 · 计算机科学 2020-09-15 Khanh-Hung Tran , Fred-Maurice Ngole-Mboula , Jean-Luc Starck , Vincent Prost

Localizing objects in 3D scenes based on natural language requires understanding and reasoning about spatial relations. In particular, it is often crucial to distinguish similar objects referred by the text, such as "the left most chair"…

计算机视觉与模式识别 · 计算机科学 2022-11-18 Shizhe Chen , Pierre-Louis Guhur , Makarand Tapaswi , Cordelia Schmid , Ivan Laptev

While real world challenges typically define visual categories with language words or phrases, most visual classification methods define categories with numerical indices. However, the language specification of the classes provides an…

计算机视觉与模式识别 · 计算机科学 2022-02-21 Suzanne Petryk , Lisa Dunlap , Keyan Nasseri , Joseph Gonzalez , Trevor Darrell , Anna Rohrbach

3D visual grounding aims at grounding a natural language description about a 3D scene, usually represented in the form of 3D point clouds, to the targeted object region. Point clouds are sparse, noisy, and contain limited semantic…

计算机视觉与模式识别 · 计算机科学 2021-09-23 Zhengyuan Yang , Songyang Zhang , Liwei Wang , Jiebo Luo

Robust visual localization under a wide range of viewing conditions is a fundamental problem in computer vision. Handling the difficult cases of this problem is not only very challenging but also of high practical relevance, e.g., in the…

计算机视觉与模式识别 · 计算机科学 2018-04-17 Johannes L. Schönberger , Marc Pollefeys , Andreas Geiger , Torsten Sattler

The named concepts and compositional operators present in natural language provide a rich source of information about the kinds of abstractions humans use to navigate the world. Can this linguistic background knowledge improve the…

计算与语言 · 计算机科学 2017-11-03 Jacob Andreas , Dan Klein , Sergey Levine

The 3D occupancy estimation task has become an important challenge in the area of vision-based autonomous driving recently. However, most existing camera-based methods rely on costly 3D voxel labels or LiDAR scans for training, limiting…

计算机视觉与模式识别 · 计算机科学 2024-07-26 Simon Boeder , Fabian Gigengack , Benjamin Risse

Despite the promising results of current cross-lingual models for spoken language understanding systems, they still suffer from imperfect cross-lingual representation alignments between the source and target languages, which makes the…

计算与语言 · 计算机科学 2020-10-01 Zihan Liu , Genta Indra Winata , Peng Xu , Zhaojiang Lin , Pascale Fung

Given a natural language query, a phrase grounding system aims to localize mentioned objects in an image. In weakly supervised scenario, mapping between image regions (i.e., proposals) and language is not available in the training set.…

计算机视觉与模式识别 · 计算机科学 2018-03-13 Kan Chen , Jiyang Gao , Ram Nevatia

Detailed image captioning is essential for tasks like data generation and aiding visually impaired individuals. High-quality captions require a balance between precision and recall, which remains challenging for current multimodal large…

计算机视觉与模式识别 · 计算机科学 2025-06-05 Mingi Jung , Saehyung Lee , Eunji Kim , Sungroh Yoon

When approaching the semantic segmentation of overhead imagery in the decimeter spatial resolution range, successful strategies usually combine powerful methods to learn the visual appearance of the semantic classes (e.g. convolutional…

计算机视觉与模式识别 · 计算机科学 2018-08-24 Michele Volpi , Devis Tuia

Semantic parsing is the task of producing a structured meaning representation for natural language utterances or questions. Recent research has pointed out that the commonly-used sequence-to-sequence (seq2seq) semantic parsers struggle to…

计算与语言 · 计算机科学 2022-06-06 Dora Jambor , Dzmitry Bahdanau

The success of deep learning in computer vision is rooted in the ability of deep networks to scale up model complexity as demanded by challenging visual tasks. As complexity is increased, so is the need for large amounts of labeled data to…

计算机视觉与模式识别 · 计算机科学 2017-08-22 Gustav Larsson

While artificial intelligence (AI) models have achieved human or even superhuman performance in many well-defined applications, they still struggle to show signs of broad and flexible intelligence. The Abstraction and Reasoning Corpus…

人工智能 · 计算机科学 2023-06-23 Giacomo Camposampiero , Loic Houmard , Benjamin Estermann , Joël Mathys , Roger Wattenhofer

While language reasoning models excel in many tasks, visual reasoning remains challenging for current large multimodal models (LMMs). As a result, most LMMs default to verbalizing perceptual content into text, a strong limitation for tasks…

计算机视觉与模式识别 · 计算机科学 2026-03-27 André G. Viveiros , Nuno Gonçalves , Matthias Lindemann , André Martins