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The popularity of image sharing on social media and the engagement it creates between users reflects the important role that visual context plays in everyday conversations. We present a novel task, Image-Grounded Conversations (IGC), in…

Computation and Language · Computer Science 2017-04-21 Nasrin Mostafazadeh , Chris Brockett , Bill Dolan , Michel Galley , Jianfeng Gao , Georgios P. Spithourakis , Lucy Vanderwende

Large text-to-video models hold immense potential for a wide range of downstream applications. However, they struggle to accurately depict dynamic object interactions, often resulting in unrealistic movements and frequent violations of…

Machine Learning · Computer Science 2026-04-21 Hiroki Furuta , Heiga Zen , Dale Schuurmans , Aleksandra Faust , Yutaka Matsuo , Percy Liang , Sherry Yang

Algorithms for text-generation in dialogue can be misguided. For example, in task-oriented settings, reinforcement learning that optimizes only task-success can lead to abysmal lexical diversity. We hypothesize this is due to poor…

Computation and Language · Computer Science 2022-10-17 Anthony Sicilia , Malihe Alikhani

Dialogue policy learning for task-oriented dialogue systems has enjoyed great progress recently mostly through employing reinforcement learning methods. However, these approaches have become very sophisticated. It is time to re-evaluate it.…

Computation and Language · Computer Science 2020-09-22 Ziming Li , Julia Kiseleva , Maarten de Rijke

Recent progress on neural approaches for language processing has triggered a resurgence of interest on building intelligent open-domain chatbots. However, even the state-of-the-art neural chatbots cannot produce satisfying responses for…

Computation and Language · Computer Science 2022-08-10 Behnam Hedayatnia , Di Jin , Yang Liu , Dilek Hakkani-Tur

Nowadays, the current neural network models of dialogue generation(chatbots) show great promise for generating answers for chatty agents. But they are short-sighted in that they predict utterances one at a time while disregarding their…

Computation and Language · Computer Science 2023-01-19 Jabri Ismail , Aboulbichr Ahmed , El ouaazizi Aziza

Multimodal Dialogue Response Generation (MDRG) is a recently proposed task where the model needs to generate responses in texts, images, or a blend of both based on the dialogue context. Due to the lack of a large-scale dataset specifically…

Artificial Intelligence · Computer Science 2024-08-13 Hee Suk Yoon , Eunseop Yoon , Joshua Tian Jin Tee , Kang Zhang , Yu-Jung Heo , Du-Seong Chang , Chang D. Yoo

There is a growing interest in improving the conversational ability of models by filtering the raw dialogue corpora. Previous filtering strategies usually rely on a scoring method to assess and discard samples from one perspective, enabling…

Computation and Language · Computer Science 2022-05-24 Yiwei Li , Bin Sun , Shaoxiong Feng , Kan Li

Despite important progress, conversational systems often generate dialogues that sound unnatural to humans. We conjecture that the reason lies in their different training and testing conditions: agents are trained in a controlled "lab"…

Computation and Language · Computer Science 2021-04-01 Alberto Testoni , Raffaella Bernardi

We consider grounding open domain dialogues with images. Existing work assumes that both an image and a textual context are available, but image-grounded dialogues by nature are more difficult to obtain than textual dialogues. Thus, we…

Computation and Language · Computer Science 2021-06-02 Ze Yang , Wei Wu , Huang Hu , Can Xu , Wei Wang , Zhoujun Li

Multi-modal dialog modeling is of growing interest. In this work, we propose frameworks to resolve a specific case of multi-modal dialog generation that better mimics multi-modal dialog generation in the real world, where each dialog turn…

Computation and Language · Computer Science 2021-06-01 Shuhe Wang , Yuxian Meng , Xiaofei Sun , Fei Wu , Rongbin Ouyang , Rui Yan , Tianwei Zhang , Jiwei Li

The key challenge of generative Visual Dialogue (VD) systems is to respond to human queries with informative answers in natural and contiguous conversation flow. Traditional Maximum Likelihood Estimation (MLE)-based methods only learn from…

Computer Vision and Pattern Recognition · Computer Science 2019-08-15 Heming Zhang , Shalini Ghosh , Larry Heck , Stephen Walsh , Junting Zhang , Jie Zhang , C. -C. Jay Kuo

Although people have the ability to engage in vapid dialogue without effort, this may not be a uniquely human trait. Since the 1960's researchers have been trying to create agents that can generate artificial conversation. These programs…

Computation and Language · Computer Science 2021-06-07 Thomas Conley , Jack St. Clair , Jugal Kalita

An intelligent dialogue system in a multi-turn setting should not only generate the responses which are of good quality, but it should also generate the responses which can lead to long-term success of the dialogue. Although, the current…

Computation and Language · Computer Science 2023-01-12 Anant Khandelwal

In a dialog, there can be multiple valid next utterances at any point. The present end-to-end neural methods for dialog do not take this into account. They learn with the assumption that at any time there is only one correct next utterance.…

Computation and Language · Computer Science 2018-08-31 Janarthanan Rajendran , Jatin Ganhotra , Satinder Singh , Lazaros Polymenakos

Pre-trained language models have shown remarkable success in improving various downstream NLP tasks due to their ability to capture dependencies in textual data and generate natural responses. In this paper, we leverage the power of…

Computation and Language · Computer Science 2020-06-30 Hung Le , Steven C. H. Hoi

Data augmentation has been shown to effectively improve the performance of multimodal machine learning models. This paper introduces a generative model for data augmentation by leveraging the correlations among multiple modalities.…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Zixu Wang , Yishu Miao , Lucia Specia

The task of visual dialog requires a multimodal chatbot to answer sequential questions from humans about image content. Prior work performs the standard likelihood training for answer generation on the positive instances (involving correct…

Computation and Language · Computer Science 2022-11-28 Zihao Wang , Junli Wang , Changjun Jiang

Image captioning is an important problem in developing various AI systems, and these tasks require large volumes of annotated images to train the models. Since all existing labelled datasets are already used for training the large Vision…

Machine Learning · Computer Science 2025-07-14 Parag Dutta , Ambedkar Dukkipati

Task-oriented Dialog (ToD) systems have to solve multiple subgoals to accomplish user goals, whereas feedback is often obtained only at the end of the dialog. In this work, we propose SUIT (SUbgoal-aware ITerative Training), an iterative…

Computation and Language · Computer Science 2024-11-26 Magdalena Kaiser , Patrick Ernst , György Szarvas