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相关论文: Light-field view synthesis using convolutional blo…

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This paper presents a learning-based approach to synthesize the view from an arbitrary camera position given a sparse set of images. A key challenge for this novel view synthesis arises from the reconstruction process, when the views from…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Nan Meng , Kai Li , Jianzhuang Liu , Edmund Y. Lam

Light field cameras have been proved to be powerful tools for 3D reconstruction and virtual reality applications. However, the limited resolution of light field images brings a lot of difficulties for further information display and…

图像与视频处理 · 电气工程与系统科学 2020-08-27 Qingyan Sun , Shuo Zhang , Song Chang , Lixi Zhu , Youfang Lin

The light field faithfully records the spatial and angular configurations of the scene, which facilitates a wide range of imaging possibilities. In this work, we propose an LF synthesis algorithm which renders high quality novel LF views…

计算机视觉与模式识别 · 计算机科学 2019-03-26 Jie Chen , Lap-Pui Chau , Junhui Hou

Focused plenoptic cameras can record spatial and angular information of the light field (LF) simultaneously with higher spatial resolution relative to traditional plenoptic cameras, which facilitate various applications in computer vision.…

计算机视觉与模式识别 · 计算机科学 2023-05-02 Kedeng Tong , Xin Jin , Yuqing Yang , Chen Wang , Jinshi Kang , Fan Jiang

This paper explores the problem of reconstructing high-resolution light field (LF) images from hybrid lenses, including a high-resolution camera surrounded by multiple low-resolution cameras. The performance of existing methods is still…

图像与视频处理 · 电气工程与系统科学 2023-06-21 Jing Jin , Mantang Guo , Junhui Hou , Hui Liu , Hongkai Xiong

Classical light field rendering for novel view synthesis can accurately reproduce view-dependent effects such as reflection, refraction, and translucency, but requires a dense view sampling of the scene. Methods based on geometric…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Mohammed Suhail , Carlos Esteves , Leonid Sigal , Ameesh Makadia

Convolutional layers are an integral part of many deep neural network solutions in computer vision. Recent work shows that replacing the standard convolution operation with mechanisms based on self-attention leads to improved performance on…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Souvik Kundu , Hesham Mostafa , Sharath Nittur Sridhar , Sairam Sundaresan

Light fields (LFs), conducive to comprehensive scene radiance recorded across angular dimensions, find wide applications in 3D reconstruction, virtual reality, and computational photography.However, the LF acquisition is inevitably…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Ruisheng Gao , Yutong Liu , Zeyu Xiao , Zhiwei Xiong

In this paper we revisit feature fusion, an old-fashioned topic, in the new context of text-to-video retrieval. Different from previous research that considers feature fusion only at one end, let it be video or text, we aim for feature…

多媒体 · 计算机科学 2022-07-28 Fan Hu , Aozhu Chen , Ziyue Wang , Fangming Zhou , Jianfeng Dong , Xirong Li

Light field imaging, which captures spatio-angular information of incident light on image sensor, enables many interesting applications like image refocusing and augmented reality. However, due to the limited sensor resolution, a trade-off…

图像与视频处理 · 电气工程与系统科学 2020-07-15 Chang-Le Liu , Kuang-Tsu Shih , Jiun-Woei Huang , Homer H. Chen

Camera arrays provide spatial and angular information within a single snapshot. With refocusing methods, focal planes can be altered after exposure. In this letter, we propose a light field refocusing method to improve the imaging quality…

图像与视频处理 · 电气工程与系统科学 2021-08-29 Yingqian Wang , Jungang Yang , Yulan Guo , Chao Xiao , Wei An

Retinal diseases can cause irreversible vision loss in both eyes if not diagnosed and treated early. Since retinal diseases are so complicated, retinal imaging is likely to show two or more abnormalities. Current deep learning techniques…

图像与视频处理 · 电气工程与系统科学 2024-07-04 Tariq M Khan , Shahzaib Iqbal , Syed S. Naqvi , Imran Razzak , Erik Meijering

Low-light video enhancement (LLVE) is an important yet challenging task with many applications such as photographing and autonomous driving. Unlike single image low-light enhancement, most LLVE methods utilize temporal information from…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Lin Liu , Junfeng An , Jianzhuang Liu , Shanxin Yuan , Xiangyu Chen , Wengang Zhou , Houqiang Li , Yanfeng Wang , Qi Tian

Image restoration (IR) is a long-standing task to recover a high-quality image from its corrupted observation. Recently, transformer-based algorithms and some attention-based convolutional neural networks (CNNs) have presented promising…

计算机视觉与模式识别 · 计算机科学 2025-05-19 Fangwei Hao , Ji Du , Weiyun Liang , Jing Xu , Xiaoxuan Xu

This paper aims to learn a compact representation of a video for video face recognition task. We make the following contributions: first, we propose a meta attention-based aggregation scheme which adaptively and fine-grained weighs the…

计算机视觉与模式识别 · 计算机科学 2019-09-13 Zhaoxiang Liu , Huan Hu , Jinqiang Bai , Shaohua Li , Shiguo Lian

Convolutional neural networks (CNNs) have demonstrated superior performance in super-resolution (SR). However, most CNN-based SR methods neglect the different importance among feature channels or fail to take full advantage of the…

计算机视觉与模式识别 · 计算机科学 2018-10-17 Yue Lu , Yun Zhou , Zhuqing Jiang , Xiaoqiang Guo , Zixuan Yang

In recent years, learned image compression (LIC) methods have achieved significant performance improvements. However, obtaining a more compact latent representation and reducing the impact of quantization errors remain key challenges in the…

图像与视频处理 · 电气工程与系统科学 2025-02-24 Shiqi Jiang , Hui Yuan , Shuai Li , Raouf Hamzaoui , Xu Wang , Junyan Huo

The Light Field (LF) deblurring task is a challenging problem as the blur images are caused by different reasons like the camera shake and the object motion. The single image deblurring method is a possible way to solve this problem.…

计算机视觉与模式识别 · 计算机科学 2023-03-14 Zeqi Shen , Shuo Zhang , Zhuhao Zhang , Qihua Chen , Xueyao Dong , Youfang Lin

Low-light image enhancement is a classical computer vision problem aiming to recover normal-exposure images from low-light images. However, convolutional neural networks commonly used in this field are good at sampling low-frequency local…

计算机视觉与模式识别 · 计算机科学 2022-09-19 Yunliang Zhuang , Zhuoran Zheng , Chen Lyu

This paper introduces new attention-based convolutional neural networks for selecting bands from hyperspectral images. The proposed approach re-uses convolutional activations at different depths, identifying the most informative regions of…

计算机视觉与模式识别 · 计算机科学 2020-01-10 Pablo Ribalta Lorenzo , Lukasz Tulczyjew , Michal Marcinkiewicz , Jakub Nalepa