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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

We propose a visual-linguistic representation learning approach within a self-supervised learning framework by introducing a new operation, loss, and data augmentation strategy. First, we generate diverse features for the image-text…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Jaeyoo Park , Bohyung Han

Scaling up weakly-supervised datasets has shown to be highly effective in the image-text domain and has contributed to most of the recent state-of-the-art computer vision and multimodal neural networks. However, existing large-scale…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Vladislav Lialin , Stephen Rawls , David Chan , Shalini Ghosh , Anna Rumshisky , Wael Hamza

Phrase grounding, the problem of associating image regions to caption words, is a crucial component of vision-language tasks. We show that phrase grounding can be learned by optimizing word-region attention to maximize a lower bound on…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Tanmay Gupta , Arash Vahdat , Gal Chechik , Xiaodong Yang , Jan Kautz , Derek Hoiem

Visual context has been shown to be useful for automatic speech recognition (ASR) systems when the speech signal is noisy or corrupted. Previous work, however, has only demonstrated the utility of visual context in an unrealistic setting,…

计算与语言 · 计算机科学 2020-10-20 Tejas Srinivasan , Ramon Sanabria , Florian Metze , Desmond Elliott

In this paper, we present a model which takes as input a corpus of images with relevant spoken captions and finds a correspondence between the two modalities. We employ a pair of convolutional neural networks to model visual objects and…

计算机视觉与模式识别 · 计算机科学 2015-11-13 David Harwath , James Glass

A widespread approach to processing spoken language is to first automatically transcribe it into text. An alternative is to use an end-to-end approach: recent works have proposed to learn semantic embeddings of spoken language from images…

计算与语言 · 计算机科学 2023-06-02 Grzegorz Chrupała

We present a multimodal framework to learn general audio representations from videos. Existing contrastive audio representation learning methods mainly focus on using the audio modality alone during training. In this work, we show that…

声音 · 计算机科学 2021-04-29 Luyu Wang , Pauline Luc , Adria Recasens , Jean-Baptiste Alayrac , Aaron van den Oord

In medical imaging, manual annotations can be expensive to acquire and sometimes infeasible to access, making conventional deep learning-based models difficult to scale. As a result, it would be beneficial if useful representations could be…

计算机视觉与模式识别 · 计算机科学 2020-08-18 Jianbo Jiao , Yifan Cai , Mohammad Alsharid , Lior Drukker , Aris T. Papageorghiou , J. Alison Noble

Multimodal large language models have fueled progress in image captioning. These models, fine-tuned on vast image datasets, exhibit a deep understanding of semantic concepts. In this work, we show that this ability can be re-purposed for…

音频与语音处理 · 电气工程与系统科学 2024-10-10 Hugo Malard , Michel Olvera , Stéphane Lathuiliere , Slim Essid

Understanding images without explicit supervision has become an important problem in computer vision. In this paper, we address image captioning by generating language descriptions of scenes without learning from annotated pairs of images…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Iro Laina , Christian Rupprecht , Nassir Navab

The objective of image captioning models is to bridge the gap between the visual and linguistic modalities by generating natural language descriptions that accurately reflect the content of input images. In recent years, researchers have…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Sara Sarto , Marcella Cornia , Lorenzo Baraldi , Alessandro Nicolosi , Rita Cucchiara

We design an open-vocabulary image segmentation model to organize an image into meaningful regions indicated by arbitrary texts. Recent works (CLIP and ALIGN), despite attaining impressive open-vocabulary classification accuracy with…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Golnaz Ghiasi , Xiuye Gu , Yin Cui , Tsung-Yi Lin

We present a model that generates natural language descriptions of images and their regions. Our approach leverages datasets of images and their sentence descriptions to learn about the inter-modal correspondences between language and…

计算机视觉与模式识别 · 计算机科学 2015-04-15 Andrej Karpathy , Li Fei-Fei

In this work, we propose the use of "aligned visual captions" as a mechanism for integrating information contained within videos into retrieval augmented generation (RAG) based chat assistant systems. These captions are able to describe the…

人工智能 · 计算机科学 2024-05-29 Kevin Dela Rosa

Visually grounded speech models learn from images paired with spoken captions. By tagging images with soft text labels using a trained visual classifier with a fixed vocabulary, previous work has shown that it is possible to train a model…

计算与语言 · 计算机科学 2021-06-24 Kayode Olaleye , Herman Kamper

We learn rich natural sound representations by capitalizing on large amounts of unlabeled sound data collected in the wild. We leverage the natural synchronization between vision and sound to learn an acoustic representation using…

计算机视觉与模式识别 · 计算机科学 2016-10-31 Yusuf Aytar , Carl Vondrick , Antonio Torralba

The creation of high-quality human-labeled image-caption datasets presents a significant bottleneck in the development of Visual-Language Models (VLMs). In this work, we investigate an approach that leverages the strengths of Large Language…

计算机视觉与模式识别 · 计算机科学 2024-06-10 Sahand Sharifzadeh , Christos Kaplanis , Shreya Pathak , Dharshan Kumaran , Anastasija Ilic , Jovana Mitrovic , Charles Blundell , Andrea Banino

Traditionally, research in automated speech recognition has focused on local-first encoding of audio representations to predict the spoken phonemes in an utterance. Unfortunately, approaches relying on such hyper-local information tend to…

音频与语音处理 · 电气工程与系统科学 2022-09-19 David M. Chan , Shalini Ghosh , Debmalya Chakrabarty , Björn Hoffmeister

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…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Yang Feng , Lin Ma , Wei Liu , Jiebo Luo