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Robotic grasp detection for novel objects is a challenging task, but for the last few years, deep learning based approaches have achieved remarkable performance improvements, up to 96.1% accuracy, with RGB-D data. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2019-09-17 Dongwon Park , Yonghyeok Seo , Se Young Chun

Neural Radiance Fields (NeRF) have become an increasingly popular representation to capture high-quality appearance and shape of scenes and objects. However, learning generalizable NeRF priors over categories of scenes or objects has been…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Bipasha Sen , Gaurav Singh , Aditya Agarwal , Rohith Agaram , K Madhava Krishna , Srinath Sridhar

We investigate sequence machine learning techniques on raw radio signal time-series data. By applying deep recurrent neural networks we learn to discriminate between several application layer traffic types on top of a constant envelope…

Machine Learning · Computer Science 2016-10-04 Timothy J. O'Shea , Seth Hitefield , Johnathan Corgan

In this work we develop a generalizable and efficient Neural Radiance Field (NeRF) pipeline for high-fidelity free-viewpoint human body synthesis under settings with sparse camera views. Though existing NeRF-based methods can synthesize…

Computer Vision and Pattern Recognition · Computer Science 2022-03-31 Mingfei Chen , Jianfeng Zhang , Xiangyu Xu , Lijuan Liu , Yujun Cai , Jiashi Feng , Shuicheng Yan

Accelerating neural radiance fields training is of substantial practical value, as the ray sampling strategy profoundly impacts network convergence. More efficient ray sampling can thus directly enhance existing NeRF models' training…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Shilei Sun , Ming Liu , Zhongyi Fan , Yuxue Liu , Chengwei Lv , Liquan Dong , Lingqin Kong

In time-varying fading channels, channel coefficients are estimated using pilot symbols that are transmitted every coherence interval. For channels with high Doppler spread, the rapid channel variations over time will require considerable…

Information Theory · Computer Science 2022-03-24 Sandesh Rao Mattu , Lakshmi Narasimhan T , A. Chockalingam

It is a challenging problem to detect and recognize targets on complex large-scene Synthetic Aperture Radar (SAR) images. Recently developed deep learning algorithms can automatically learn the intrinsic features of SAR images, but still…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Siyan Li , Yue Xiao , Yuhang Zhang , Lei Chu , Robert C. Qiu

In this paper, we propose DeepDeblurRF, a novel radiance field deblurring approach that can synthesize high-quality novel views from blurred training views with significantly reduced training time. DeepDeblurRF leverages deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Haeyun Choi , Heemin Yang , Janghyeok Han , Sunghyun Cho

This work investigates the ways in which deep learning methods can benefit from random projection (RP), a classic linear dimensionality reduction method. We focus on two areas where, as we have found, employing RP techniques can improve…

Machine Learning · Computer Science 2018-12-27 Piotr Iwo Wójcik

We present NeRF-SR, a solution for high-resolution (HR) novel view synthesis with mostly low-resolution (LR) inputs. Our method is built upon Neural Radiance Fields (NeRF) that predicts per-point density and color with a multi-layer…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Chen Wang , Xian Wu , Yuan-Chen Guo , Song-Hai Zhang , Yu-Wing Tai , Shi-Min Hu

Hyperspectral image (HSI) denoising is of crucial importance for many subsequent applications, such as HSI classification and interpretation. In this paper, we propose an attention-based deep residual network to directly learn a mapping…

Image and Video Processing · Electrical Eng. & Systems 2020-03-05 Yongsen Zhao , Deming Zhai , Junjun Jiang , Xianming Liu

Recent advances in Neural Radiance Fields (NeRF) have demonstrated promising results in 3D scene representations, including 3D human representations. However, these representations often lack crucial information on the underlying human pose…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Arnab Dey , Di Yang , Rohith Agaram , Antitza Dantcheva , Andrew I. Comport , Srinath Sridhar , Jean Martinet

As an emerging approach, deep learning plays an increasingly influential role in channel modeling. Traditional ray tracing (RT) methods of channel modeling tend to be inefficient and expensive. In this paper, we present a super-resolution…

Signal Processing · Electrical Eng. & Systems 2023-01-24 Haoyang Zhang , Danping He , Xiping Wang , Wenbin Wang , Yunhao Cheng , Ke Guan

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

Signal Processing · Electrical Eng. & Systems 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes

Radar is an inevitable part of the perception sensor set for autonomous driving functions. It plays a gap-filling role to complement the shortcomings of other sensors in diverse scenarios and weather conditions. In this paper, we propose a…

Information Theory · Computer Science 2023-02-20 Ravi Kothari , Ali Kariminezhad , Christian Mayr , Haoming Zhang

This paper introduces a novel paradigm for the generalizable neural radiance field (NeRF). Previous generic NeRF methods combine multiview stereo techniques with image-based neural rendering for generalization, yielding impressive results,…

Computer Vision and Pattern Recognition · Computer Science 2024-01-26 Jiaxu Wang , Ziyi Zhang , Renjing Xu

To have a superior generalization, a deep learning neural network often involves a large size of training sample. With increase of hidden layers in order to increase learning ability, neural network has potential degradation in accuracy.…

Machine Learning · Computer Science 2019-01-01 Lianfa Li , Ying Fang , Jun Wu , Jinfeng Wang

Using advanced machine learning techniques, we developed a method for reconstructing precisely the arrival direction and energy of ultra-high-energy cosmic rays from the voltage traces they induced on ground-based radio detector arrays. In…

Instrumentation and Methods for Astrophysics · Physics 2026-02-27 Arsène Ferrière , Aurélien Benoit-Lévy , Olivier Martineau-Huynh , Matías Tueros

High dynamic range (HDR) video reconstruction from sequences captured with alternating exposures is a very challenging problem. Existing methods often align low dynamic range (LDR) input sequence in the image space using optical flow, and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Guanying Chen , Chaofeng Chen , Shi Guo , Zhetong Liang , Kwan-Yee K. Wong , Lei Zhang

High-quality magnetic resonance (MR) image, i.e., with near isotropic voxel spacing, is desirable in various scenarios of medical image analysis. However, many MR acquisitions use large inter-slice spacing in clinical practice. In this…

Image and Video Processing · Electrical Eng. & Systems 2021-08-18 Kai Xuan , Liping Si , Lichi Zhang , Zhong Xue , Yining Jiao , Weiwu Yao , Dinggang Shen , Dijia Wu , Qian Wang
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