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Most deraining works focus on rain streaks removal but they cannot deal adequately with heavy rain images. In heavy rain, streaks are strongly visible, dense rain accumulation or rain veiling effect significantly washes out the image,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-11 Ruotent Li , Loong Fah Cheong , Robby T. Tan

We develop a new physical model for the rain effect and show that the well-known atmosphere scattering model (ASM) for the haze effect naturally emerges as its homogeneous continuous limit. Via depth-aware fusion of multi-layer rain streaks…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Xiaohong Liu , Yongrui Ma , Zhihao Shi , Linhui Dai , Jun Chen

Rain streaks significantly decrease the visibility of captured images and are also a stumbling block that restricts the performance of subsequent computer vision applications. The existing deep learning-based image deraining methods employ…

Computer Vision and Pattern Recognition · Computer Science 2023-05-30 Zhiying Jiang , Risheng Liu , Shuzhou Yang , Zengxi Zhang , Xin Fan

To solve the problem of pose distortion in the forward propagation of pose features in existing methods, this pa-per proposes a Dual-Side Feature Fusion Network for pose transfer (DSFFNet). Firstly, a fixed-length pose code is extracted…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Jue Liu

Object detection in unmanned aerial vehicle (UAV) images remains a highly challenging task, primarily caused by the complexity of background noise and the imbalance of target scales. Traditional methods easily struggle to effectively…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Wenfeng Zhang , Jun Ni , Yue Meng , Xiaodong Pei , Wei Hu , Qibing Qin , Lei Huang

Existing deep learning based methods effectively prompt the performance of aerial scene classification. However, due to the large amount of parameters and computational cost, it is rather difficult to apply these methods to multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-05-27 Jingjun Yi , Beichen Zhou

Image dehazing aims to restore image clarity and visual quality by reducing atmospheric scattering and absorption effects. While deep learning has made significant strides in this area, more and more methods are constrained by network…

Computer Vision and Pattern Recognition · Computer Science 2024-09-16 Wang Yinglong , He Bin

Point-spread-function (PSF) engineering is a powerful computational imaging techniques wherein a custom phase mask is integrated into an optical system to encode additional information into captured images. Used in combination with deep…

Computer Vision and Pattern Recognition · Computer Science 2023-03-31 Sachin Shah , Sakshum Kulshrestha , Christopher A. Metzler

We present two novel generative geometric deep learning frameworks, termed Flow Matching PointNet and Diffusion PointNet, for predicting fluid flow variables on irregular geometries by incorporating PointNet into flow matching and diffusion…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Ali Kashefi

Underwater images suffer from complex and diverse degradation, which inevitably affects the performance of underwater visual tasks. However, most existing learning-based Underwater image enhancement (UIE) methods mainly restore such…

Computer Vision and Pattern Recognition · Computer Science 2024-01-23 Chen Zhao , Weiling Cai , Chenyu Dong , Ziqi Zeng

Street Scene Change Detection (SSCD) aims to locate the changed regions between a given street-view image pair captured at different times, which is an important yet challenging task in the computer vision community. The intuitive way to…

Computer Vision and Pattern Recognition · Computer Science 2020-12-30 Yinjie Lei , Duo Peng , Pingping Zhang , Qiuhong Ke , Haifeng Li

Optical astronomical images are strongly affected by the point spread function (PSF) of the optical system and the atmosphere (seeing) which blurs the observed image. The amount of blurring depends both on the observed band, and on the…

Instrumentation and Methods for Astrophysics · Physics 2023-08-31 Hong Wang , Sreevarsha Sreejith , Yuewei Lin , Nesar Ramachandra , Anže Slosar , Shinjae Yoo

Context. The knowledge of the point-spread function compensated by adaptive optics is of prime importance in several image restoration techniques such as deconvolution and astrometric/photometric algorithms. Wavefront-related data from the…

Astrophysics · Physics 2016-08-15 Eric Gendron , Yann Clénet , Thierry Fusco , Gérard Rousset

Phase retrieval, i.e. the reconstruction of phase information from intensity information, is a central problem in many optical systems. Here, we demonstrate that a deep residual neural net is able to quickly and accurately perform this task…

Image and Video Processing · Electrical Eng. & Systems 2020-01-29 Leonhard MÖckl , Petar N. Petrov , W. E. Moerner

3D Question Answering (3D QA) requires the model to comprehensively understand its situated 3D scene described by the text, then reason about its surrounding environment and answer a question under that situation. However, existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Jingzhou Luo , Yang Liu , Weixing Chen , Zhen Li , Yaowei Wang , Guanbin Li , Liang Lin

Recently, the application of deep learning to change detection (CD) has significantly progressed in remote sensing images. In recent years, CD tasks have mostly used architectures such as CNN and Transformer to identify these changes.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Jia Jia , Geunho Lee , Zhibo Wang , Lyu Zhi , Yuchu He

Despite significant progress in shadow detection, current methods still struggle with the adverse impact of background color, which may lead to errors when shadows are present on complex backgrounds. Drawing inspiration from the human…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Runmin Cong , Yuchen Guan , Jinpeng Chen , Wei Zhang , Yao Zhao , Sam Kwong

Deep neural networks have demonstrated highly competitive performance in super-resolution (SR) for natural images by learning mappings from low-resolution (LR) to high-resolution (HR) images. However, hyperspectral super-resolution remains…

Image and Video Processing · Electrical Eng. & Systems 2025-05-02 Usman Muhammad , Jorma Laaksonen , Lyudmila Mihaylova

The key features of the MATPHOT algorithm for precise and accurate stellar photometry and astrometry using discrete Point Spread Functions are described. A discrete Point Spread Function (PSF) is a sampled version of a continuous PSF which…

Astrophysics · Physics 2009-11-11 Kenneth J. Mighell

Few researches have been proposed specifically for real-time semantic segmentation in rainy environments. However, the demand in this area is huge and it is challenging for lightweight networks. Therefore, this paper proposes a lightweight…

Computer Vision and Pattern Recognition · Computer Science 2021-04-19 Fanyi Wang , Yihui Zhang
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