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Attention-based beamformers have recently been shown to be effective for multi-channel speech recognition. However, they are less capable at capturing local information. In this work, we propose a 2D Conv-Attention module which combines…

音频与语音处理 · 电气工程与系统科学 2021-05-18 Bhargav Pulugundla , Yang Gao , Brian King , Gokce Keskin , Harish Mallidi , Minhua Wu , Jasha Droppo , Roland Maas

Light field cameras have a wide range of uses due to their ability to simultaneously record light intensity and direction. The angular resolution of light fields is important for downstream tasks such as depth estimation, yet is often…

计算机视觉与模式识别 · 计算机科学 2023-11-15 Langqing Shi , Ping Zhou

Neural Radiance Field (NeRF) is a promising approach for synthesizing novel views, given a set of images and the corresponding camera poses of a scene. However, images photographed from a low-light scene can hardly be used to train a NeRF…

计算机视觉与模式识别 · 计算机科学 2023-07-21 Haoyuan Wang , Xiaogang Xu , Ke Xu , Rynson WH. Lau

The attention mechanisms have been employed in Convolutional Neural Network (CNN) to enhance the feature representation. However, existing attention mechanisms only concentrate on refining the features inside each sample and neglect the…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Qishang Cheng , Hongliang Li , Qingbo Wu , King Ngi Ngan

Neural radiance field has achieved fundamental success in novel view synthesis from input views with the same brightness level captured under fixed normal lighting. Unfortunately, synthesizing novel views remains to be a challenge for input…

计算机视觉与模式识别 · 计算机科学 2024-03-21 Quan Zheng , Hao Sun , Huiyao Xu , Fanjiang Xu

Video frame interpolation, the synthesis of novel views in time, is an increasingly popular research direction with many new papers further advancing the state of the art. But as each new method comes with a host of variables that affect…

计算机视觉与模式识别 · 计算机科学 2020-11-04 Simon Niklaus , Long Mai , Oliver Wang

Light field imaging is a rich way of representing the 3D world around us. However, due to limited sensor resolution capturing light field data inherently poses spatio-angular resolution trade-off. In this paper, we propose a deep learning…

计算机视觉与模式识别 · 计算机科学 2018-04-30 Anil Kumar Vadathya , Saikiran Cholleti , Gautham Ramajayam , Vijayalakshmi Kanchana , Kaushik Mitra

In this work, we propose "Residual Attention Network", a convolutional neural network using attention mechanism which can incorporate with state-of-art feed forward network architecture in an end-to-end training fashion. Our Residual…

计算机视觉与模式识别 · 计算机科学 2017-04-25 Fei Wang , Mengqing Jiang , Chen Qian , Shuo Yang , Cheng Li , Honggang Zhang , Xiaogang Wang , Xiaoou Tang

Deep learning models have achieved significant results across various computer vision tasks. However, due to the large number of parameters in these models, deploying them in real-time scenarios is a critical challenge, specifically in…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Amir M. Mansourian , Arya Jalali , Rozhan Ahmadi , Shohreh Kasaei

In this paper, we present an efficient and robust deep learning solution for novel view synthesis of complex scenes. In our approach, a 3D scene is represented as a light field, i.e., a set of rays, each of which has a corresponding color…

计算机视觉与模式识别 · 计算机科学 2022-07-08 Zhong Li , Liangchen Song , Celong Liu , Junsong Yuan , Yi Xu

Low-light image enhancement (LLIE) aims to improve the illuminance of images due to insufficient light exposure. Recently, various lightweight learning-based LLIE methods have been proposed to handle the challenges of unfavorable prevailing…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Yuantong Zhang , Baoxin Teng , Daiqin Yang , Zhenzhong Chen , Haichuan Ma , Gang Li , Wenpeng Ding

Low-light image enhancement remains a challenging task, particularly in the absence of paired training data. In this study, we present LucentVisionNet, a novel zero-shot learning framework that addresses the limitations of traditional and…

图像与视频处理 · 电气工程与系统科学 2025-06-25 Muhammad Azeem Aslam , Hassan Khalid , Nisar Ahmed

Single-view novel view synthesis (NVS), the task of generating images from new viewpoints based on a single reference image, is important but challenging in computer vision. Recent advancements in NVS have leveraged Denoising Diffusion…

计算机视觉与模式识别 · 计算机科学 2024-03-13 Yifeng Xiong , Haoyu Ma , Shanlin Sun , Kun Han , Hao Tang , Xiaohui Xie

Light field photography enables to record 4D images, containing angular information alongside spatial information of the scene. One of the important applications of light field imaging is post-capture refocusing. Current methods require for…

计算机视觉与模式识别 · 计算机科学 2020-09-08 Shachar Ben Dayan , David Mendlovic , Raja Giryes

Informative features play a crucial role in the single image super-resolution task. Channel attention has been demonstrated to be effective for preserving information-rich features in each layer. However, channel attention treats each…

图像与视频处理 · 电气工程与系统科学 2020-08-21 Ben Niu , Weilei Wen , Wenqi Ren , Xiangde Zhang , Lianping Yang , Shuzhen Wang , Kaihao Zhang , Xiaochun Cao , Haifeng Shen

Typical learning-based light field reconstruction methods demand in constructing a large receptive field by deepening the network to capture correspondences between input views. In this paper, we propose a spatial-angular attention network…

图像与视频处理 · 电气工程与系统科学 2021-11-24 Gaochang Wu , Yingqian Wang , Yebin Liu , Lu Fang , Tianyou Chai

Light field imaging is limited in its computational processing demands of high sampling for both spatial and angular dimensions. Single-shot light field cameras sacrifice spatial resolution to sample angular viewpoints, typically by…

计算机视觉与模式识别 · 计算机科学 2018-02-07 Mayank Gupta , Arjun Jauhari , Kuldeep Kulkarni , Suren Jayasuriya , Alyosha Molnar , Pavan Turaga

Traditional and deep learning-based fusion methods generated the intermediate decision map to obtain the fusion image through a series of post-processing procedures. However, the fusion results generated by these methods are easy to lose…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Yongsheng Zang , Dongming Zhou , Changcheng Wang , Rencan Nie , Yanbu Guo

Existing image-based rendering methods usually adopt depth-based image warping operation to synthesize novel views. In this paper, we reason the essential limitations of the traditional warping operation to be the limited neighborhood and…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Mantang Guo , Junhui Hou , Jing Jin , Hui Liu , Huanqiang Zeng , Jiwen Lu

Local feature matching is an essential technique in image matching and plays a critical role in a wide range of vision-based applications. However, existing Transformer-based detector-free local feature matching methods encounter challenges…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Naijian Cao , Renjie He , Yuchao Dai , Mingyi He