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We present a novel, alternative framework for learning generative models with goal-conditioned reinforcement learning. We define two agents, a goal conditioned agent (GC-agent) and a supervised agent (S-agent). Given a user-input initial…

Machine Learning · Computer Science 2023-03-28 Mariana Vargas Vieyra , Pierre Ménard

Recently visual question answering (VQA) and visual question generation (VQG) are two trending topics in the computer vision, which have been explored separately. In this work, we propose an end-to-end unified framework, the Invertible…

Computer Vision and Pattern Recognition · Computer Science 2017-09-22 Yikang Li , Nan Duan , Bolei Zhou , Xiao Chu , Wanli Ouyang , Xiaogang Wang

Due to the discrete nature of words, language GANs require to be optimized from rewards provided by discriminator networks, via reinforcement learning methods. This is a much harder setting than for continuous tasks, which enjoy gradient…

Computation and Language · Computer Science 2021-06-14 Thomas Scialom , Paul-Alexis Dray , Sylvain Lamprier , Benjamin Piwowarski , Jacopo Staiano

We present an approach for generating clarification questions with the goal of eliciting new information that would make the given textual context more complete. We propose that modeling hypothetical answers (to clarification questions) as…

Computation and Language · Computer Science 2019-04-05 Sudha Rao , Hal Daumé

The development of trustworthy conversational information-seeking systems relies on dialogue models that can generate faithful and accurate responses based on relevant knowledge texts. However, two main challenges hinder this task. Firstly,…

Computation and Language · Computer Science 2023-11-03 Wanyu Du , Yangfeng Ji

Building perceptual systems for robotics which perform well under tight computational budgets requires novel architectures which rethink the traditional computer vision pipeline. Modern vision architectures require the agent to build a…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Aaron Walsman , Yonatan Bisk , Saadia Gabriel , Dipendra Misra , Yoav Artzi , Yejin Choi , Dieter Fox

Bridging the semantic gap between image and question is an important step to improve the accuracy of the Visual Question Answering (VQA) task. However, most of the existing VQA methods focus on attention mechanisms or visual relations for…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Binh X. Nguyen , Tuong Do , Huy Tran , Erman Tjiputra , Quang D. Tran , Anh Nguyen

Reinforcement learning has shown promise in learning policies that can solve complex problems. However, manually specifying a good reward function can be difficult, especially for intricate tasks. Inverse reinforcement learning offers a…

Machine Learning · Computer Science 2017-11-28 Peter Henderson , Wei-Di Chang , Pierre-Luc Bacon , David Meger , Joelle Pineau , Doina Precup

Deep reinforcement learning has proven remarkably useful in training agents from unstructured data. However, the opacity of the produced agents makes it difficult to ensure that they adhere to various requirements posed by human engineers.…

Machine Learning · Computer Science 2022-02-10 Raz Yerushalmi , Guy Amir , Achiya Elyasaf , David Harel , Guy Katz , Assaf Marron

In Multi-Goal Reinforcement Learning, an agent learns to achieve multiple goals with a goal-conditioned policy. During learning, the agent first collects the trajectories into a replay buffer, and later these trajectories are selected…

Machine Learning · Computer Science 2020-05-26 Rui Zhao , Xudong Sun , Volker Tresp

In visual guessing games, a Guesser has to identify a target object in a scene by asking questions to an Oracle. An effective strategy for the players is to learn conceptual representations of objects that are both discriminative and…

Computation and Language · Computer Science 2020-11-06 Alessandro Suglia , Antonio Vergari , Ioannis Konstas , Yonatan Bisk , Emanuele Bastianelli , Andrea Vanzo , Oliver Lemon

End-to-end generative methods are considered a more promising solution for image restoration in physics-based vision compared with the traditional deconstructive methods based on handcrafted composition models. However, existing generative…

Computer Vision and Pattern Recognition · Computer Science 2022-12-09 Xudong Kang , Haoran Xie , Man-Leung Wong , Jing Qin

We propose a grounded dialogue state encoder which addresses a foundational issue on how to integrate visual grounding with dialogue system components. As a test-bed, we focus on the GuessWhat?! game, a two-player game where the goal is to…

Computation and Language · Computer Science 2019-03-18 Ravi Shekhar , Aashish Venkatesh , Tim Baumgärtner , Elia Bruni , Barbara Plank , Raffaella Bernardi , Raquel Fernández

Recent advancements in video generation have enabled the development of ``world models'' capable of simulating potential futures for robotics and planning. However, specifying precise goals for these models remains a challenge; text…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Nate Gillman , Yinghua Zhou , Zitian Tang , Evan Luo , Arjan Chakravarthy , Daksh Aggarwal , Michael Freeman , Charles Herrmann , Chen Sun

Supervised deep convolutional neural networks (DCNNs) are currently one of the best computational models that can explain how the primate ventral visual stream solves object recognition. However, embodied cognition has not been considered…

Machine Learning · Computer Science 2021-06-21 Maytus Piriyajitakonkij , Sirawaj Itthipuripat , Theerawit Wilaiprasitporn , Nat Dilokthanakul

Multiple-choice VQA has drawn increasing attention from researchers and end-users recently. As the demand for automatically constructing large-scale multiple-choice VQA data grows, we introduce a novel task called textual Distractors…

Computer Vision and Pattern Recognition · Computer Science 2022-04-20 Jiaying Lu , Xin Ye , Yi Ren , Yezhou Yang

Personalized text-to-image models allow users to generate varied styles of images (specified with a sentence) for an object (specified with a set of reference images). While remarkable results have been achieved using diffusion-based…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Fanyue Wei , Wei Zeng , Zhenyang Li , Dawei Yin , Lixin Duan , Wen Li

Reinforcement Learning has emerged as a strong alternative to solve optimization tasks efficiently. The use of these algorithms highly depends on the feedback signals provided by the environment in charge of informing about how good (or…

Machine Learning · Computer Science 2022-12-01 Alain Andres , Esther Villar-Rodriguez , Javier Del Ser

Recent progress in generative models has stimulated significant innovations in many fields, such as image generation and chatbots. Despite their success, these models often produce sketchy and misleading solutions for complex multi-agent…

Artificial Intelligence · Computer Science 2024-10-04 Zeyang Liu , Xinrui Yang , Shiguang Sun , Long Qian , Lipeng Wan , Xingyu Chen , Xuguang Lan

GuessWhat?! is a two-player visual dialog guessing game where player A asks a sequence of yes/no questions (Questioner) and makes a final guess (Guesser) about a target object in an image, based on answers from player B (Oracle). Based on…

Computer Vision and Pattern Recognition · Computer Science 2021-05-26 Tao Tu , Qing Ping , Govind Thattai , Gokhan Tur , Prem Natarajan