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High dynamic range (HDR) imaging is a crucial task in computational photography, which captures details across diverse lighting conditions. Traditional HDR fusion methods face limitations in dynamic scenes with extreme exposure differences,…

计算机视觉与模式识别 · 计算机科学 2024-12-20 Shi Guo , Zixuan Chen , Ziran Zhang , Yutian Chen , Gangwei Xu , Tianfan Xue

Visible images offer rich texture details, while infrared images emphasize salient targets. Fusing these complementary modalities enhances scene understanding, particularly for advanced vision tasks under challenging conditions. Recently,…

计算机视觉与模式识别 · 计算机科学 2025-06-10 Beining Xu , Junxian Li

With their high angular resolutions of 30--100 mas, large fields of view, and complex optical systems, imagers on next-generation optical/near-infrared space observatories, such as the Near-Infrared Camera (NIRCam) on the James Webb Space…

The recently developed JWST Exoplanet Observation Simulator (JexoSim) simulates transit spectroscopic observations of exoplanets by JWST with each of its four instruments using a time-domain approach. Previously we reported the validation…

地球与行星天体物理 · 物理学 2021-09-15 Subhajit Sarkar , Nikku Madhusudhan

Hyperspectral video (HSV) offers valuable spatial, spectral, and temporal information simultaneously, making it highly suitable for handling challenges such as background clutter and visual similarity in object tracking. However, existing…

计算机视觉与模式识别 · 计算机科学 2025-06-02 Hanzheng Wang , Wei Li , Xiang-Gen Xia , Qian Du , Jing Tian

The human visual perception system has strong robustness in image fusion. This robustness is based on human visual perception system's characteristics of feature selection and non-linear fusion of different features. In order to simulate…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Aiqing Fang , Xinbo Zhao , Jiaqi Yang , Yanning Zhang

Understanding the methodological robustness in identifying and quantifying high-redshift bars is essential for studying their evolution with the {\it James} {\it Webb} Space Telescope (JWST). We used nearby spiral galaxies to generate…

星系天体物理 · 物理学 2024-08-14 Xinyue Liang , Si-Yue Yu , Taotao Fang , Luis C. Ho

Visual SLAM is a cornerstone technique in robotics, autonomous driving and extended reality (XR), yet classical systems often struggle with low-texture environments, scale ambiguity, and degraded performance under challenging visual…

机器人学 · 计算机科学 2025-11-18 Yuxuan Zhou , Xingxing Li , Shengyu Li , Zhuohao Yan , Chunxi Xia , Shaoquan Feng

Infrared and visible light image fusion aims to combine the strengths of both modalities to generate images that are rich in information and fulfill visual or computational requirements. This paper proposes an image fusion method based on…

计算机视觉与模式识别 · 计算机科学 2025-06-23 Shuchen Sun , Ligen Shi , Chang Liu , Lina Wu , Jun Qiu

We have entered the era of the James Webb Space Telescope (JWST). We use the first JWST transmission spectrum of the hot Saturn-mass exoplanet, WASP-39 b, obtained with the NIRSpec instrument in the 3-5 $\mu$m range to investigate (a) what…

地球与行星天体物理 · 物理学 2023-02-08 Savvas Constantinou , Nikku Madhusudhan , Siddharth Gandhi

Image fusion aims to combine complementary information from multiple source images to generate more comprehensive scene representations. Existing methods primarily rely on the stacking and design of network architectures to enhance the…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Linli Ma , Suzhen Lin , Jianchao Zeng , Zanxia Jin , Yanbo Wang , Fengyuan Li , Yubing Luo

We present FORECAST, a new flexible and adaptable software package that performs forward modeling of the output of any cosmological hydrodynamical simulations to create a wide range of realistic synthetic astronomical images. With…

A radio interferometer indirectly measures the intensity distribution of the sky over the celestial sphere. Since measurements are made over an irregularly sampled Fourier plane, synthesising an intensity image from interferometric…

天体物理仪器与方法 · 物理学 2014-03-18 Daniel Muscat

Hyperspectral images enable precise identification of ground objects by capturing their spectral signatures with fine spectral resolution.While high spatial resolution further enhances this capability, increasing spatial resolution through…

图像与视频处理 · 电气工程与系统科学 2024-10-25 Ankur Garg , Meenakshi Sarkar , S. Manthira Moorthi , Debajyoti Dhar

Flying on board the James Webb Space Telescope (JWST) above Earth's turbulent atmosphere, the Aperture Masking Interferometer (AMI) on the NIRISS instrument is the highest-resolution infrared interferometer ever placed in space. However,…

Hyperspectral images (HSI) have a large amount of spectral information reflecting the characteristics of matter, while their spatial resolution is low due to the limitations of imaging technology. Complementary to this are multispectral…

图像与视频处理 · 电气工程与系统科学 2023-07-10 Shuaikai Shi , Lijun Zhang , Jie Chen

As a result of several successful applications in computer vision and image processing, sparse representation (SR) has attracted significant attention in multi-sensor image fusion. Unlike the traditional multiscale transforms (MSTs) that…

计算机视觉与模式识别 · 计算机科学 2017-02-14 Qiang Zhang , Yi Liu , Rick S. Blum , Jungong Han , Dacheng Tao

The aim of multispectral image fusion is to combine object or scene features of images with different spectral characteristics to increase the perceptual quality. In this paper, we present a novel learning-based solution to image fusion…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Ferhat Can Ataman , Gözde Bozdaği Akar

Representing the environment is a central challenge in robotics, and is essential for effective decision-making. Traditionally, before capturing images with a manipulator-mounted camera, users need to calibrate the camera using a specific…

机器人学 · 计算机科学 2024-04-19 Weiming Zhi , Haozhan Tang , Tianyi Zhang , Matthew Johnson-Roberson

In remote sensing, hyperspectral (HS) and multispectral (MS) image fusion have emerged as a synthesis tool to improve the data set resolution. However, conventional image fusion methods typically degrade the performance of the land cover…

图像与视频处理 · 电气工程与系统科学 2022-04-05 Juan Ramírez , Héctor Vargas , José Ignacio Martínez , Henry Arguello