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Classical pixel-based Visual Servoing (VS) approaches offer high accuracy but suffer from a limited convergence area due to optimization nonlinearity. Modern deep learning-based VS methods overcome traditional vision issues but lack…

机器人学 · 计算机科学 2023-10-03 Salar Asayesh , Hossein Sheikhi Darani , Mo chen , Mehran Mehrandezh , Kamal Gupta

Learned image compression methods generally optimize a rate-distortion loss, trading off improvements in visual distortion for added bitrate. Increasingly, however, compressed imagery is used as an input to deep learning networks for…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Maxime Kawawa-Beaudan , Ryan Roggenkemper , Avideh Zakhor

Recent deep-learning based Super-Resolution (SR) methods have achieved remarkable performance on images with known degradation. However, these methods always fail in real-world scene, since the Low-Resolution (LR) images after the ideal…

计算机视觉与模式识别 · 计算机科学 2020-12-21 Xiaozhong Ji , Guangpin Tao , Yun Cao , Ying Tai , Tong Lu , Chengjie Wang , Jilin Li , Feiyue Huang

High dynamic range (HDR) photography is becoming increasingly popular and available by DSLR and mobile-phone cameras. While deep neural networks (DNN) have greatly impacted other domains of image manipulation, their use for HDR tone-mapping…

图像与视频处理 · 电气工程与系统科学 2021-11-02 Yael Vinker , Inbar Huberman-Spiegelglas , Raanan Fattal

Event cameras are ideally suited to capture HDR visual information without blur but perform poorly on static or slowly changing scenes. Conversely, conventional image sensors measure absolute intensity of slowly changing scenes effectively…

计算机视觉与模式识别 · 计算机科学 2022-05-12 Ziwei Wang , Yonhon Ng , Cedric Scheerlinck , Robert Mahony

Unsupervised domain adaptation (UDA) for semantic segmentation has been well-studied in recent years. However, most existing works largely neglect the local regional consistency across different domains and are less robust to changes in…

计算机视觉与模式识别 · 计算机科学 2022-09-13 Qianyu Zhou , Chuyun Zhuang , Ran Yi , Xuequan Lu , Lizhuang Ma

The rapid development of large climate models has created the requirement of storing and transferring massive atmospheric data worldwide. Therefore, data compression is essential for meteorological research, but an efficient compression…

机器学习 · 计算机科学 2024-11-12 Zhewen Xu , Baoxiang Pan , Hongliang Li , Xiaohui Wei

Overranging or overscanning increases the dose delivered to patients undergoing helical Computed Tomography examinations. In order to reduce it, nowadays most of the multidetector tomographs close the X-ray beam aperture at the scan…

医学物理 · 物理学 2014-06-04 Diego Trevisan , Faustino Bonutti , Daniele Ravanelli , Aldo Valentini

Dose calculations in proton therapy require the fast and accurate solution of a high-dimensional transport equation for a large number of (pencil) beams with different energies and directions. Deterministically solving this transport…

数值分析 · 数学 2025-08-07 Pia Stammer , Niklas Wahl , Jonas Kusch , Danny Lathouwers

In fine-tuning large language models (LLMs), conserving computational resources while maintaining effectiveness and improving outcomes within the same computational constraints is crucial. The Low-Rank Adaptation (LoRA) strategy balances…

机器学习 · 计算机科学 2024-09-05 Xiaojun Xiao , Sen Shen , Qiming Bao , Hongfei Rong , Kairui Liu , Zhongsheng Wang , Jiamou Liu

Spatial resolution of depth sensors is often significantly lower compared to that of conventional optical cameras. Recent work has explored the idea of improving the resolution of depth using higher resolution intensity as a side…

计算机视觉与模式识别 · 计算机科学 2016-03-08 Ulugbek S. Kamilov , Petros T. Boufounos

High dynamic range (HDR) imaging has recently drawn much attention in multimedia community. In this paper, we proposed a HDR image forensics method based on convolutional neural network (CNN).To our best knowledge, this is the first time to…

计算机视觉与模式识别 · 计算机科学 2019-03-01 Yongqing Huo , Xiaofeng Zhu

The exponential growth of data-intensive applications has placed unprecedented demands on modern storage systems, necessitating dynamic and efficient optimization strategies. Traditional heuristics employed for storage performance…

操作系统 · 计算机科学 2025-08-25 Chiyu Cheng , Chang Zhou , Yang Zhao

The aim of this paper is to establish a nonlinear variational approach to the reconstruction of moving density images from indirect dynamic measurements. Our approach is to model the dynamics as a hyperelastic deformation of an initial…

数值分析 · 数学 2015-12-01 Martin Burger , Jan Modersitzki , Sebastian Suhr

High Dynamic Range (HDR) imaging is gaining increased attention due to its realistic content, for not only regular displays but also smartphones. Before sufficient HDR content is distributed, HDR visualization still relies mostly on…

计算机视觉与模式识别 · 计算机科学 2020-01-22 Subhayan Mukherjee , Guan-Ming Su , Irene Cheng

We conduct a theoretical study of various solution methods for the adaptive fractionation problem. The two messages of this paper are: (i) dynamic programming (DP) is a useful framework for adaptive radiation therapy, particularly adaptive…

医学物理 · 物理学 2012-02-16 Jagdish Ramakrishnan , David Craft , Thomas Bortfeld , John N. Tsitsiklis

By taking into account the properties and limitations of the human visual system, images can be more efficiently compressed, colors more accurately reproduced, prints better rendered. To show all these advantages in this paper new adapted…

计算机视觉与模式识别 · 计算机科学 2015-03-13 Jaswinder Singh Dilawari , Ravinder Khanna

Capturing High Dynamic Range (HDR) scenery using 8-bit cameras often suffers from over-/underexposure, loss of fine details due to low bit-depth compression, skewed color distributions, and strong noise in dark areas. Traditional LDR image…

图像与视频处理 · 电气工程与系统科学 2024-06-14 Baiang Li , Sizhuo Ma , Yanhong Zeng , Xiaogang Xu , Youqing Fang , Zhao Zhang , Jian Wang , Kai Chen

Resource-constrained weight deployment is a task of immense practical importance. Recently, there has been interest in the specific task of \textit{Delta Compression}, where parties each hold a common base model and only communicate…

机器学习 · 计算机科学 2025-11-18 Cameron Gordon , Yiping Ji , Hemanth Saratchandran , Paul Albert , Simon Lucey

Image textures, as a kind of local variations, provide important information for human visual system. Many image textures, especially the small-scale or stochastic textures are rich in high-frequency variations, and are difficult to be…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Wenzhao Zhao , Qiegen Liu , Yisong Lv , Binjie Qin