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Related papers: Can SAR improve RSVQA performance?

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Remote Sensing Visual Question Answering (RSVQA) is a task that extracts information from satellite images to answer questions in natural language, aiding image interpretation. While several methods exist for optical images with varying…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Lucrezia Tosato , Flora Weissgerber , Laurent Wendling , Sylvain Lobry

This paper introduces the task of visual question answering for remote sensing data (RSVQA). Remote sensing images contain a wealth of information which can be useful for a wide range of tasks including land cover classification, object…

Computer Vision and Pattern Recognition · Computer Science 2020-05-15 Sylvain Lobry , Diego Marcos , Jesse Murray , Devis Tuia

Visual Question Answering for Remote Sensing (RSVQA) is a task that aims at answering natural language questions about the content of a remote sensing image. The visual features extraction is therefore an essential step in a VQA pipeline.…

Computer Vision and Pattern Recognition · Computer Science 2024-07-12 Lucrezia Tosato , Hichem Boussaid , Flora Weissgerber , Camille Kurtz , Laurent Wendling , Sylvain Lobry

Visual question answering (VQA) has recently been introduced to remote sensing to make information extraction from overhead imagery more accessible to everyone. VQA considers a question (in natural language, therefore easy to formulate)…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Christel Chappuis , Sylvain Lobry , Benjamin Kellenberger , Bertrand Le Saux , Devis Tuia

In recent years, with the rapid advancement of transformer models, transformer-based multimodal architectures have found wide application in various downstream tasks, including but not limited to Image Captioning, Visual Question Answering…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Yuduo Wang , Pedram Ghamisi

This paper introduces speech-based visual question answering (VQA), the task of generating an answer given an image and a spoken question. Two methods are studied: an end-to-end, deep neural network that directly uses audio waveforms as…

Computation and Language · Computer Science 2017-09-19 Ted Zhang , Dengxin Dai , Tinne Tuytelaars , Marie-Francine Moens , Luc Van Gool

Satellite-based Synthetic Aperture Radar (SAR) images can be used as a source of remote sensed imagery regardless of cloud cover and day-night cycle. However, the speckle noise and varying image acquisition conditions pose a challenge for…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Janne Alatalo , Tuomo Sipola , Mika Rantonen

Remote Sensing Visual Question Answering (RSVQA) is a challenging task that involves interpreting complex satellite imagery to answer natural language questions. Traditional approaches often rely on separate visual feature extractors and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Surasakdi Siripong , Apirak Chaiyapan , Thanakorn Phonchai

Synthetic Aperture Radar (SAR) offers all-weather, high-resolution imaging capabilities, but its complex imaging mechanism often poses challenges for interpretation. In response to these limitations, this paper introduces an innovative…

Computer Vision and Pattern Recognition · Computer Science 2024-07-25 Xinyu Bai , Feng Xu

Existing work on VQA explores data augmentation to achieve better generalization by perturbing the images in the dataset or modifying the existing questions and answers. While these methods exhibit good performance, the diversity of the…

Computer Vision and Pattern Recognition · Computer Science 2022-04-01 Paola Cascante-Bonilla , Hui Wu , Letao Wang , Rogerio Feris , Vicente Ordonez

Visual question answering (VQA) methods in remote sensing (RS) aim to answer natural language questions with respect to an RS image. Most of the existing methods require a large amount of computational resources, which limits their…

Computer Vision and Pattern Recognition · Computer Science 2023-06-05 Leonard Hackel , Kai Norman Clasen , Mahdyar Ravanbakhsh , Begüm Demir

Synthetic aperture radar has the ability to work 24/7 and 24/7, and has high application value. Propose a new SAR image matching algorithm based on multi class features, mainly using two different types of features: straight lines and…

Image and Video Processing · Electrical Eng. & Systems 2024-05-07 Mazhi Qiang , Fengming Zhou

Synthetic Aperture Radar (SAR) utilizes the movement of the radar antenna over a specific area of interest to achieve higher spatial resolution imaging. In this paper, we aim to investigate the realization of SAR imaging for a stationary…

Information Retrieval · Computer Science 2024-09-19 Yifan Sun , Rang Liu , Zhiping Lu , Honghao Luo , Ming Li , Qian Liu

Remote sensing visual question answering (RSVQA) opens new opportunities for the use of overhead imagery by the general public, by enabling human-machine interaction with natural language. Building on the recent advances in natural language…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Christel Chappuis , Eliot Walt , Vincent Mendez , Sylvain Lobry , Bertrand Le Saux , Devis Tuia

Synthetic Aperture Radar (SAR) imaging systems operate by emitting radar signals from a moving object, such as a satellite, towards the target of interest. Reflected radar echoes are received and later used by image formation algorithms to…

Image and Video Processing · Electrical Eng. & Systems 2021-02-02 Andrew Rittenbach , John Paul Walters

Synthetic Aperture Radar (SAR) imaging is capable of observing objects in nearly all weather and illumination conditions and has become an indispensable means of information acquisition for analysis and recognition of objects and scenes.…

Image and Video Processing · Electrical Eng. & Systems 2026-03-03 Jie Zhou , Yongxiang Liu , Li Liu , Weijie Li , Bowen Peng , Yafei Song , Gangyao Kuang , Xiang Li

Visual Question Answering (VQA) presents a unique challenge as it requires the ability to understand and encode the multi-modal inputs - in terms of image processing and natural language processing. The algorithm further needs to learn how…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Supriya Pandhre , Shagun Sodhani

Synthetic Aperture Radar (SAR) images contain a huge amount of information, however, the number of practical use-cases is limited due to the presence of speckle noise in them. In recent years, deep learning based techniques have brought…

Image and Video Processing · Electrical Eng. & Systems 2020-04-24 Shrey Dabhi , Kartavya Soni , Utkarsh Patel , Priyanka Sharma , Manojkumar Parmar

This paper investigates signle-antenna radar imaging with a reconfigurable intelligent surface (RIS). Configuring phase shifts in a RIS-aided radar system can be thought as synthetic aperture radar (SAR) imaging with a moving virtual…

Signal Processing · Electrical Eng. & Systems 2024-12-19 Furkan H. Ilgac , Mounia Bouabdellah , Aydin Sezgin

The Visual Question Answering (VQA) system offers a user-friendly interface and enables human-computer interaction. However, VQA models commonly face the challenge of language bias, resulting from the learned superficial correlation between…

Computer Vision and Pattern Recognition · Computer Science 2023-06-02 Zhenghang Yuan , Lichao Mou , Xiao Xiang Zhu
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