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Most current image captioning systems focus on describing general image content, and lack background knowledge to deeply understand the image, such as exact named entities or concrete events. In this work, we focus on the entity-aware news…

Computer Vision and Pattern Recognition · Computer Science 2021-08-05 Anwen Hu , Shizhe Chen , Qin Jin

An ideal description for a given video should fix its gaze on salient and representative content, which is capable of distinguishing this video from others. However, the distribution of different words is unbalanced in video captioning…

Computer Vision and Pattern Recognition · Computer Science 2019-01-03 Jiarong Dong , Ke Gao , Xiaokai Chen , Junbo Guo , Juan Cao , Yongdong Zhang

Answering visual questions need acquire daily common knowledge and model the semantic connection among different parts in images, which is too difficult for VQA systems to learn from images with the only supervision from answers. Meanwhile,…

Computation and Language · Computer Science 2018-05-23 Jialin Wu , Zeyuan Hu , Raymond J. Mooney

Recently, Deep Learning (DL) methods have shown an excellent performance in image captioning and visual question answering. However, despite their performance, DL methods do not learn the semantics of the words that are being used to…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Leonardo Anjoletto Ferreira , Douglas De Rizzo Meneghetti , Paulo Eduardo Santos

Text-based image captioning (TextCap) which aims to read and reason images with texts is crucial for a machine to understand a detailed and complex scene environment, considering that texts are omnipresent in daily life. This task, however,…

Computer Vision and Pattern Recognition · Computer Science 2021-05-10 Guanghui Xu , Shuaicheng Niu , Mingkui Tan , Yucheng Luo , Qing Du , Qi Wu

We address the problem of grounding free-form textual phrases by using weak supervision from image-caption pairs. We propose a novel end-to-end model that uses caption-to-image retrieval as a `downstream' task to guide the process of phrase…

Computer Vision and Pattern Recognition · Computer Science 2019-10-16 Samyak Datta , Karan Sikka , Anirban Roy , Karuna Ahuja , Devi Parikh , Ajay Divakaran

We present Self-Context Adaptation (SeCAt), a self-supervised approach that unlocks few-shot abilities for open-ended classification with small visual language models. Our approach imitates image captions in a self-supervised way based on…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Mohammad Mahdi Derakhshani , Ivona Najdenkoska , Cees G. M. Snoek , Marcel Worring , Yuki M. Asano

Image captioning is the process of generating a natural language description of an image. Most current image captioning models, however, do not take into account the emotional aspect of an image, which is very relevant to activities and…

Computer Vision and Pattern Recognition · Computer Science 2019-01-28 Omid Mohamad Nezami , Mark Dras , Peter Anderson , Len Hamey

Recently it has shown that the policy-gradient methods for reinforcement learning have been utilized to train deep end-to-end systems on natural language processing tasks. What's more, with the complexity of understanding image content and…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Haichao Shi , Peng Li , Bo Wang , Zhenyu Wang

Image captioning has been recently gaining a lot of attention thanks to the impressive achievements shown by deep captioning architectures, which combine Convolutional Neural Networks to extract image representations, and Recurrent Neural…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Marcella Cornia , Lorenzo Baraldi , Giuseppe Serra , Rita Cucchiara

Visual question answering (VQA) and image captioning require a shared body of general knowledge connecting language and vision. We present a novel approach to improve VQA performance that exploits this connection by jointly generating…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Jialin Wu , Zeyuan Hu , Raymond J. Mooney

News Image Captioning aims to create captions from news articles and images, emphasizing the connection between textual context and visual elements. Recognizing the significance of human faces in news images and the face-name co-occurrence…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Tingyu Qu , Tinne Tuytelaars , Marie-Francine Moens

Open-vocabulary semantic segmentation aims at segmenting arbitrary categories expressed in textual form. Previous works have trained over large amounts of image-caption pairs to enforce pixel-level multimodal alignments. However, captions…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Luca Barsellotti , Roberto Amoroso , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

One property that remains lacking in image captions generated by contemporary methods is discriminability: being able to tell two images apart given the caption for one of them. We propose a way to improve this aspect of caption generation.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-12 Ruotian Luo , Brian Price , Scott Cohen , Gregory Shakhnarovich

Attention mechanisms have attracted considerable interest in image captioning because of its powerful performance. Existing attention-based models use feedback information from the caption generator as guidance to determine which of the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-11 Zhihao Zhu , Zhan Xue , Zejian Yuan

A straightforward pipeline for zero-shot out-of-distribution (OOD) detection involves selecting potential OOD labels from an extensive semantic pool and then leveraging a pre-trained vision-language model to perform classification on both…

Computer Vision and Pattern Recognition · Computer Science 2024-10-14 Mengyuan Chen , Junyu Gao , Changsheng Xu

Image captioning evaluation metrics can be divided into two categories, reference-based metrics and reference-free metrics. However, reference-based approaches may struggle to evaluate descriptive captions with abundant visual details…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Zequn Zeng , Jianqiao Sun , Hao Zhang , Tiansheng Wen , Yudi Su , Yan Xie , Zhengjue Wang , Bo Chen

Feature shaping refers to a family of methods that exhibit state-of-the-art performance for out-of-distribution (OOD) detection. These approaches manipulate the feature representation, typically from the penultimate layer of a pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Qinyu Zhao , Ming Xu , Kartik Gupta , Akshay Asthana , Liang Zheng , Stephen Gould

If you ask a human to describe an image, they might do so in a thousand different ways. Traditionally, image captioning models are trained to generate a single "best" (most like a reference) image caption. Unfortunately, doing so encourages…

Computer Vision and Pattern Recognition · Computer Science 2023-10-20 David M. Chan , Austin Myers , Sudheendra Vijayanarasimhan , David A. Ross , John Canny

Contrastive Language-Image Pretraining (CLIP) performs zero-shot image classification by mapping images and textual class representation into a shared embedding space, then retrieving the class closest to the image. This work provides a new…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Fawaz Sammani , Nikos Deligiannis