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Auto-regressive sequence-to-sequence models with attention mechanisms have achieved state-of-the-art performance in various tasks including Text-To-Speech (TTS) and Neural Machine Translation (NMT). The standard training approach, teacher…

计算与语言 · 计算机科学 2021-04-06 Qingyun Dou , Yiting Lu , Potsawee Manakul , Xixin Wu , Mark J. F. Gales

We propose a novel attention mechanism, named Cog Attention, that enables attention weights to be negative for enhanced expressiveness, which stems from two key factors: (1) Cog Attention enhances parameter flexibility. For example, unlike…

计算与语言 · 计算机科学 2025-01-31 Ang Lv , Ruobing Xie , Shuaipeng Li , Jiayi Liao , Xingwu Sun , Zhanhui Kang , Di Wang , Rui Yan

Attention mechanisms have improved the performance of NLP tasks while allowing models to remain explainable. Self-attention is currently widely used, however interpretability is difficult due to the numerous attention distributions. Recent…

计算与语言 · 计算机科学 2020-10-30 Khalil Mrini , Franck Dernoncourt , Quan Tran , Trung Bui , Walter Chang , Ndapa Nakashole

Image captioning models have lately shown impressive results when applied to standard datasets. Switching to real-life scenarios, however, constitutes a challenge due to the larger variety of visual concepts which are not covered in…

计算机视觉与模式识别 · 计算机科学 2021-06-04 Marco Cagrandi , Marcella Cornia , Matteo Stefanini , Lorenzo Baraldi , Rita Cucchiara

Attention mechanism plays a dominant role in the sequence generation models and has been used to improve the performance of machine translation and abstractive text summarization. Different from neural machine translation, in the task of…

计算与语言 · 计算机科学 2020-04-09 Piji Li , Lidong Bing , Zhongyu Wei , Wai Lam

Recent advancements in diffusion models have notably improved the perceptual quality of generated images in text-to-image synthesis tasks. However, diffusion models often struggle to produce images that accurately reflect the intended…

计算机视觉与模式识别 · 计算机科学 2024-03-12 Yang Zhang , Teoh Tze Tzun , Lim Wei Hern , Tiviatis Sim , Kenji Kawaguchi

In a controllable text generation dataset, there exist unannotated attributes that could provide irrelevant learning signals to models that use it for training and thus degrade their performance. We propose focused prefix tuning(FPT) to…

计算与语言 · 计算机科学 2023-06-13 Congda Ma , Tianyu Zhao , Makoto Shing , Kei Sawada , Manabu Okumura

Biological agents have adopted the principle of attention to limit the rate of incoming information from the environment. One question that arises is if an artificial agent has access to only a limited view of its surroundings, how can it…

人工智能 · 计算机科学 2021-03-12 Himanshu Sahni , Charles Isbell

Most work on neural natural language generation (NNLG) focus on controlling the content of the generated text. We experiment with controlling several stylistic aspects of the generated text, in addition to its content. The method is based…

计算与语言 · 计算机科学 2017-07-11 Jessica Ficler , Yoav Goldberg

When automatically generating a sentence description for an image or video, it often remains unclear how well the generated caption is grounded, that is whether the model uses the correct image regions to output particular words, or if the…

计算机视觉与模式识别 · 计算机科学 2020-07-21 Chih-Yao Ma , Yannis Kalantidis , Ghassan AlRegib , Peter Vajda , Marcus Rohrbach , Zsolt Kira

This research explores the realm of neural image captioning using deep learning models. The study investigates the performance of different neural architecture configurations, focusing on the inject architecture, and proposes a novel…

计算机视觉与模式识别 · 计算机科学 2023-12-04 Pooja Bhatnagar , Sai Mrunaal , Sachin Kamnure

Current captioning approaches can describe images using black-box architectures whose behavior is hardly controllable and explainable from the exterior. As an image can be described in infinite ways depending on the goal and the context at…

计算机视觉与模式识别 · 计算机科学 2019-05-10 Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

The attention mechanisim is appealing for neural machine translation, since it is able to dynam- ically encode a source sentence by generating a alignment between a target word and source words. Unfortunately, it has been proved to be worse…

计算与语言 · 计算机科学 2016-09-15 Lemao Liu , Masao Utiyama , Andrew Finch , Eiichiro Sumita

Automatically generating a natural language description of an image is a task close to the heart of image understanding. In this paper, we present a multi-model neural network method closely related to the human visual system that…

计算机视觉与模式识别 · 计算机科学 2017-06-09 Zhongliang Yang , Yu-Jin Zhang , Sadaqat ur Rehman , Yongfeng Huang

Image captioning is an interdisciplinary research problem that stands between computer vision and natural language processing. The task is to generate a textual description of the content of an image. The typical model used for image…

计算机视觉与模式识别 · 计算机科学 2018-10-16 Loris Bazzani , Tobias Domhan , Felix Hieber

The advances in natural language processing (NLP) pose both opportunities and challenges. While recent progress enables the development of high-performing models for a variety of tasks, it also poses the risk of models learning harmful…

计算与语言 · 计算机科学 2024-08-06 Abdelrahman Zayed , Goncalo Mordido , Samira Shabanian , Sarath Chandar

Describing images with text is a fundamental problem in vision-language research. Current studies in this domain mostly focus on single image captioning. However, in various real applications (e.g., image editing, difference interpretation,…

计算与语言 · 计算机科学 2019-06-20 Hao Tan , Franck Dernoncourt , Zhe Lin , Trung Bui , Mohit Bansal

Given the features of a video, recurrent neural networks can be used to automatically generate a caption for the video. Existing methods for video captioning have at least three limitations. First, semantic information has been widely…

计算机视觉与模式识别 · 计算机科学 2021-02-15 Haoran Chen , Ke Lin , Alexander Maye , Jianming Li , Xiaolin Hu

State-of-the-art approaches for image captioning require supervised training data consisting of captions with paired image data. These methods are typically unable to use unsupervised data such as textual data with no corresponding images,…

计算机视觉与模式识别 · 计算机科学 2017-06-27 Wenhu Chen , Aurelien Lucchi , Thomas Hofmann

The current success of modern visual reasoning systems is arguably attributed to cross-modality attention mechanisms. However, in deliberative reasoning such as in VQA, attention is unconstrained at each step, and thus may serve as a…

计算机视觉与模式识别 · 计算机科学 2022-05-26 Thao Minh Le , Vuong Le , Sunil Gupta , Svetha Venkatesh , Truyen Tran