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Small, low-cost radar sensors offer a lighting independent sensing capability for indoor mobile robots that is useful for localization and mapping. Synthetic aperture radar (SAR) offers an attractive way to increase the angular resolution…

信号处理 · 电气工程与系统科学 2024-05-02 Yuma E. Ritterbusch , Johannes Fink , Christian Waldschmidt

Abstract Visual Reasoning (AVR) comprises a wide selection of various problems similar to those used in human IQ tests. Recent years have brought dynamic progress in solving particular AVR tasks, however, in the contemporary literature AVR…

人工智能 · 计算机科学 2025-01-22 Mikołaj Małkiński , Jacek Mańdziuk

Methods for teaching machines to answer visual questions have made significant progress in recent years, but current methods still lack important human capabilities, including integrating new visual classes and concepts in a modular manner,…

计算机视觉与模式识别 · 计算机科学 2020-05-27 Ben-Zion Vatashsky , Shimon Ullman

Visual Question Answering (VQA) task has showcased a new stage of interaction between language and vision, two of the most pivotal components of artificial intelligence. However, it has mostly focused on generating short and repetitive…

计算机视觉与模式识别 · 计算机科学 2016-09-22 Andrew Shin , Yoshitaka Ushiku , Tatsuya Harada

The image-based multimodal automatic speech recognition (ASR) model enhances speech recognition performance by incorporating audio-related image. However, some works suggest that introducing image information to model does not help…

声音 · 计算机科学 2024-10-08 Jiliang Hu , Zuchao Li , Ping Wang , Haojun Ai , Lefei Zhang , Hai Zhao

In question-answering scenarios, humans can assess whether the available information is sufficient and seek additional information if necessary, rather than providing a forced answer. In contrast, Vision Language Models (VLMs) typically…

计算机视觉与模式识别 · 计算机科学 2024-11-04 Li Liu , Diji Yang , Sijia Zhong , Kalyana Suma Sree Tholeti , Lei Ding , Yi Zhang , Leilani H. Gilpin

Driven by the complementary nature of optical and synthetic aperture radar (SAR) images, SAR-optical image matching has garnered significant interest. Most existing SAR-optical image matching methods aim to capture effective matching…

计算机视觉与模式识别 · 计算机科学 2025-08-12 Jingze Gai , Changchun Li

Synthetic Aperture Radar (SAR) despeckling is an important problem in remote sensing as speckle degrades SAR images, affecting downstream tasks like detection and segmentation. Recent studies show that convolutional neural networks(CNNs)…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Malsha V. Perera , Wele Gedara Chaminda Bandara , Jeya Maria Jose Valanarasu , Vishal M. Patel

SAR images possess unique attributes that present challenges for both human observers and vision AI models to interpret, owing to their electromagnetic characteristics. The interpretation of SAR images encounters various hurdles, with one…

计算机视觉与模式识别 · 计算机科学 2024-11-11 Zhongling Huang , Xidan Zhang , Zuqian Tang , Feng Xu , Mihai Datcu , Junwei Han

Visual question answering (VQA) usesimage processing algorithms to process the image and natural language processing methods to understand and answer the question. VQA is helpful to a visually impaired person, can be used for the security…

计算机视觉与模式识别 · 计算机科学 2023-05-31 Param Ahir , Hiteishi M. Diwanji

Target detection is the front-end stage in any automatic target recognition system for synthetic aperture radar (SAR) imagery (SAR-ATR). The efficacy of the detector directly impacts the succeeding stages in the SAR-ATR processing chain.…

图像与视频处理 · 电气工程与系统科学 2018-04-16 Khalid El-Darymli , Peter McGuire , Desmond Power , Cecilia Moloney

A problem with synthetic aperture radar (SAR) is that due to the poor penetrating action of electromagnetic waves within solid bodies, the ability to observe through distributed targets is precluded. In this context, indeed, imaging is only…

信号处理 · 电气工程与系统科学 2022-07-19 Filippo Biondi

This report proposes a robust method for classifying oceanic and atmospheric phenomena using synthetic aperture radar (SAR) imagery. Our proposed method leverages the powerful pre-trained model Swin Transformer v2 Large as the backbone and…

图像与视频处理 · 电气工程与系统科学 2024-05-07 Haonan Xu , Han Yinan , Haotian Si , Yang Yang

The question answering system can answer questions from various fields and forms with deep neural networks, but it still lacks effective ways when facing multiple evidences. We introduce a new model called SRQA, which means Synthetic Reader…

计算与语言 · 计算机科学 2020-09-04 Jiuniu Wang , Wenjia Xu , Xingyu Fu , Yang Wei , Li Jin , Ziyan Chen , Guangluan Xu , Yirong Wu

Multi-view Synthetic Aperture Radar (SAR) imaging can effectively enhance the performance of tasks such as automatic target recognition and image information fusion. Unmanned aerial vehicles (UAVs) have the advantages of flexible deployment…

系统与控制 · 电气工程与系统科学 2025-05-23 Deyu Song , Xiangyin Zhang , Zipei Yu , Kaiyu Qin

Retrieval-based multi-image question answering (QA) task involves retrieving multiple question-related images and synthesizing these images to generate an answer. Conventional "retrieve-then-answer" pipelines often suffer from cascading…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Peize Li , Qingyi Si , Peng Fu , Zheng Lin , Yan Wang

Taking an image and question as the input of our method, it can output the text-based answer of the query question about the given image, so called Visual Question Answering (VQA). There are two main modules in our algorithm. Given a…

计算机视觉与模式识别 · 计算机科学 2017-08-30 Jia-Hong Huang , Modar Alfadly , Bernard Ghanem

We introduce SCAR, a method for long-term auto-calibration refinement of aerial visual-inertial systems that exploits georeferenced satellite imagery as a persistent global reference. SCAR estimates both intrinsic and extrinsic parameters…

计算机视觉与模式识别 · 计算机科学 2026-02-19 Henry Hölzemann , Michael Schleiss

This paper presents two approaches for filter design based on stochastic distances for intensity speckle reduction. A window is defined around each pixel, overlapping samples are compared and only those which pass a goodness-of-fit test are…

信息论 · 计算机科学 2013-08-21 Leonardo Torres , Alejandro C. Frery

Synthetic Aperture Radar (SAR) imagery has diverse applications in land and marine surveillance. Unlike electro-optical (EO) systems, these systems are not affected by weather conditions and can be used in the day and night times. With the…

计算机视觉与模式识别 · 计算机科学 2021-03-23 Abu Md Niamul Taufique , Navya Nagananda , Andreas Savakis