English
Related papers

Related papers: Less is More: Skim Transformer for Light Field Ima…

200 papers

Light field imaging extends the traditional photography by capturing both spatial and angular distribution of light, which enables new capabilities, including post-capture refocusing, post-capture aperture control, and depth estimation from…

Computer Vision and Pattern Recognition · Computer Science 2018-03-14 M. Shahzeb Khan Gul , Bahadir K. Gunturk

Image super-resolution (SR) has significantly advanced through the adoption of Transformer architectures. However, conventional techniques aimed at enlarging the self-attention window to capture broader contexts come with inherent…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Chengxing Xie , Xiaoming Zhang , Linze Li , Yuqian Fu , Biao Gong , Tianrui Li , Kai Zhang

Image captured under low-light conditions presents unpleasing artifacts, which debilitate the performance of feature extraction for many upstream visual tasks. Low-light image enhancement aims at improving brightness and contrast, and…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Zhijian Luo , Jiahui Tang , Yueen Hou , Zihan Huang , Yanzeng Gao

Transformers have become one of the dominant architectures in deep learning, particularly as a powerful alternative to convolutional neural networks (CNNs) in computer vision. However, Transformer training and inference in previous works…

Computer Vision and Pattern Recognition · Computer Science 2021-12-24 Zizheng Pan , Bohan Zhuang , Haoyu He , Jing Liu , Jianfei Cai

Recent progress in single-image super-resolution (SISR) has achieved remarkable performance, yet the computational costs of these methods remain a challenge for deployment on resource-constrained devices. In particular, transformer-based…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Gang Wu , Junjun Jiang , Junpeng Jiang , Xianming Liu

Single hyperspectral image super-resolution (single-HSI-SR) aims to restore a high-resolution hyperspectral image from a low-resolution observation. However, the prevailing CNN-based approaches have shown limitations in building long-range…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Mingjin Zhang , Chi Zhang , Qiming Zhang , Jie Guo , Xinbo Gao , Jing Zhang

Single-shot low-light image enhancement (SLLIE) remains challenging due to the limited availability of diverse, real-world paired datasets. To bridge this gap, we introduce the Low-Light Smartphone Dataset (LSD), a large-scale,…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 S M A Sharif , Abdur Rehman , Zain Ul Abidin , Fayaz Ali Dharejo , Radu Timofte , Rizwan Ali Naqvi

The effective extraction of spatial-angular features plays a crucial role in light field image super-resolution (LFSR) tasks, and the introduction of convolution and Transformers leads to significant improvement in this area. Nevertheless,…

Image and Video Processing · Electrical Eng. & Systems 2025-12-02 Zeke Zexi Hu , Xiaoming Chen , Vera Yuk Ying Chung , Yiran Shen

With the introduction of consumer light field cameras, light field imaging has recently become widespread. However, there is an inherent trade-off between the angular and spatial resolution, and thus, these cameras often sparsely sample in…

Computer Vision and Pattern Recognition · Computer Science 2016-09-13 Nima Khademi Kalantari , Ting-Chun Wang , Ravi Ramamoorthi

Light field (LF) cameras record both intensity and directions of light rays, and capture scenes from a number of viewpoints. Both information within each perspective (i.e., spatial information) and among different perspectives (i.e.,…

Image and Video Processing · Electrical Eng. & Systems 2020-06-05 Yingqian Wang , Longguang Wang , Jungang Yang , Wei An , Jingyi Yu , Yulan Guo

Capturing different intensity and directions of light rays at the same scene Light field (LF) can encode the 3D scene cues into a 4D LF image which has a wide range of applications (i.e. post-capture refocusing and depth sensing). LF image…

Image and Video Processing · Electrical Eng. & Systems 2024-09-27 Zhongxin Yu , Liang Chen , Zhiyun Zeng , Kunping Yang , Shaofei Luo , Shaorui Chen , Cheng Zhong

Most image super-resolution (SR) methods are developed on synthetic low-resolution (LR) and high-resolution (HR) image pairs that are constructed by a predetermined operation, e.g., bicubic downsampling. As existing methods typically learn…

Image and Video Processing · Electrical Eng. & Systems 2021-09-09 Sanghyun Son , Jaeha Kim , Wei-Sheng Lai , Ming-Husan Yang , Kyoung Mu Lee

Matching visible and near-infrared (NIR) images remains a significant challenge in remote sensing image fusion. The nonlinear radiometric differences between heterogeneous remote sensing images make the image matching task even more…

Computer Vision and Pattern Recognition · Computer Science 2024-05-01 Wang Zhang , Tingting Li , Yuntian Zhang , Gensheng Pei , Xiruo Jiang , Yazhou Yao

Recently, the single image super-resolution (SISR) approaches with deep and complex convolutional neural network structures have achieved promising performance. However, those methods improve the performance at the cost of higher memory…

Image and Video Processing · Electrical Eng. & Systems 2021-06-23 Zhengxue Wang , Guangwei Gao , Juncheng Li , Yi Yu , Huimin Lu

Light-field cameras (LFC) have received increasing attention due to their wide-spread applications. However, current LFCs suffer from the well-known spatio-angular trade-off, which is considered as an inherent and fundamental limit for LFC…

Computer Vision and Pattern Recognition · Computer Science 2019-02-18 Hao Zhu , Mantang Guo , Hongdong Li , Qing Wang , Antonio Robles-Kelly

Recent Transformer-based low-light enhancement methods have made promising progress in recovering global illumination. However, they still struggle with non-uniform lighting scenarios, such as backlit and shadow, appearing as over-exposure…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Hanting Li , Fei Zhou , Xin Sun , Yang Hua , Jungong Han , Liang-Jie Zhang

Hyperspectral image has become increasingly crucial due to its abundant spectral information. However, It has poor spatial resolution with the limitation of the current imaging mechanism. Nowadays, many convolutional neural networks have…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Jin-Fan Hu , Ting-Zhu Huang , Liang-Jian Deng

Light field imaging presents an attractive alternative to RGB imaging because of the recording of the direction of the incoming light. The detection of salient regions in a light field image benefits from the additional modeling of angular…

Computer Vision and Pattern Recognition · Computer Science 2019-10-30 Jun Zhang , Yamei Liu , Shengping Zhang , Ronald Poppe , Meng Wang

This paper proposes a novel Attention-based Multi-Reference Super-resolution network (AMRSR) that, given a low-resolution image, learns to adaptively transfer the most similar texture from multiple reference images to the super-resolution…

Computer Vision and Pattern Recognition · Computer Science 2021-09-01 Marco Pesavento , Marco Volino , Adrian Hilton

Traditional semantic segmentation tasks require a large number of labels and are difficult to identify unlearned categories. Few-shot semantic segmentation (FSS) aims to use limited labeled support images to identify the segmentation of new…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Xianglin Wang , Xiaoliu Luo , Taiping Zhang