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Real-time low-light image enhancement on mobile and embedded devices requires models that balance visual quality and computational efficiency. Existing deep learning methods often rely on large networks and labeled datasets, limiting their…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Guangrui Bai , Hailong Yan , Wenhai Liu , Yahui Deng , Erbao Dong

We present a method for simultaneously learning, in an unsupervised manner, (i) a conditional image generator, (ii) foreground extraction and segmentation, (iii) clustering into a two-level class hierarchy, and (iv) object removal and…

计算机视觉与模式识别 · 计算机科学 2020-11-03 Yaniv Benny , Lior Wolf

Recent convolutional neural networks, especially end-to-end disparity estimation models, achieve remarkable performance on stereo matching task. However, existed methods, even with the complicated cascade structure, may fail in the regions…

计算机视觉与模式识别 · 计算机科学 2018-09-25 Xiao Song , Xu Zhao , Hanwen Hu , Liangji Fang

This paper proposes an automatic image co-segmentation algorithm based on deep reinforcement learning (RL). Existing co-segmentation tasks mainly rely on deep learning methods, and the obtained foreground edges are often rough. In order to…

计算机视觉与模式识别 · 计算机科学 2022-04-13 Xin Duan , Xiabi Liu , Xiaopeng Gong , Mengqiao Han

Low-light image enhancement (LLIE) has traditionally been formulated as a deterministic mapping. However, this paradigm often struggles to account for the ill-posed nature of the task, where unknown ambient conditions and sensor parameters…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Hongru Han , Tingrui Guo , Liming Zhang , Yan Su , Qiwen Xu , Zhuohua Ye

The regularized D-bar method is a popular method for solving Electrical Impedance Tomography (EIT) problems due to its efficiency and simplicity. It utilizes the low-pass truncated scattering data in the non-linear Fourier domain to solve…

数值分析 · 数学 2025-02-10 Xiang Cao , Qiaoqiao Ding , Xiaoqun Zhang

This paper presents an edge detection method based on global and local parameters of the image, which produces satisfactory results on the edge detection of complex images and has a simple structure for execution. The local and global…

计算机视觉与模式识别 · 计算机科学 2015-04-24 Andrew F. C. Brustolin

Contrast enhancement and noise removal are coupled problems for low-light image enhancement. The existing Retinex based methods do not take the coupling relation into consideration, resulting in under or over-smoothing of the enhanced…

图像与视频处理 · 电气工程与系统科学 2019-11-27 Yang Wang , Yang Cao , Zheng-Jun Zha , Jing Zhang , Zhiwei Xiong , Wei Zhang , Feng Wu

Edge Detection Methods Based on Differential Phase Congruency of Monogenic Image Abstract: Edge detection has been widely used in medical image processing and automatic diagnosis. Some novel edge detection algorithms,based on the monogenic…

经典分析与常微分方程 · 数学 2016-12-19 Yan Yang , Kit Ian Kou , Cuiming Zou

It has been intensively investigated that the local shape, especially flatness, of the loss landscape near a minimum plays an important role for generalization of deep models. We developed a training algorithm called PoF: Post-Training of…

机器学习 · 计算机科学 2022-07-06 Ikuro Sato , Ryota Yamada , Masayuki Tanaka , Nakamasa Inoue , Rei Kawakami

Recent advances in snapshot multispectral (MS) imaging have enabled compact, low-cost spectral sensors for consumer and mobile devices. By capturing richer spectral information than conventional RGB sensors, these systems can enhance key…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Luca Cogo , Marco Buzzelli , Simone Bianco , Javier Vazquez-Corral , Raimondo Schettini

It is demonstrated that non-constant kernel solution, that can fit the spatial variations of the kernel can be obtained with minimum computing time. The CPU cost required with this new extension of the image subtraction method is almost the…

天体物理学 · 物理学 2007-05-23 C. Alard

Acoustic Echo Cancellation (AEC) whose aim is to suppress the echo originated from acoustic coupling between loudspeakers and microphones, plays a key role in voice interaction. Linear adaptive filter (AF) is always used for handling this…

声音 · 计算机科学 2021-06-01 Lu Ma , Song Yang , Yaguang Gong , Xintian Wang , Zhongqin Wu

The focus is on a model reduction framework for parameterized elliptic eigenvalue problems by a reduced basis method. In contrast to the standard single output case, one is interested in approximating several outputs simultaneously, namely…

数值分析 · 数学 2016-03-03 Thomas Horger , Barbara Wohlmuth , Thomas Dickopf

Parameter-efficient fine-tuning (PEFT) has emerged as the predominant technique for fine-tuning in the era of large language models. However, existing PEFT methods still have inadequate training efficiency. Firstly, the utilization of…

计算与语言 · 计算机科学 2024-06-07 Naibin Gu , Peng Fu , Xiyu Liu , Bowen Shen , Zheng Lin , Weiping Wang

This paper describes the use of the corotational cut Finite Element Method (FEM) for real-time surgical simulation. Users only need to provide a background mesh which is not necessarily conforming to the boundaries/interfaces of the…

计算工程、金融与科学 · 计算机科学 2018-11-20 Huu Phuoc Bui , Satyendra Tomar , Stéphane P. A. Bordas

In a previous paper a method was developed to subtract the interactions due to periodically replicated charges (or other long-range entities) in one spatial dimension. The method constitutes a generalized "electrostatic layer correction"…

材料科学 · 物理学 2009-11-07 Jason de Joannis , Axel Arnold , Christian Holm

An important task when processing sensor data is to distinguish relevant from irrelevant data. This paper describes a method for an iterative singular value decomposition that maintains a model of the background via singular vectors…

计算机视觉与模式识别 · 计算机科学 2019-07-01 Günther Reitberger , Tomas Sauer

We present a new scheme for establishing longitudinal coherence in the output of X-ray FELs. It uses a sequence of undulators and delay chicanes and the careful tailoring of the initial e-beam with time dependent focusing. Simulation of a…

加速器物理 · 物理学 2020-10-07 Paul J. Channell

Dimensionality reduction (DR) is characterized by two longstanding trade-offs. First, there is a global-local preservation tension: methods such as t-SNE and UMAP prioritize local neighborhood preservation, yet may distort global manifold…

机器学习 · 计算机科学 2026-04-06 Zeyang Huang , Angelos Chatzimparmpas , Thomas Höllt , Takanori Fujiwara
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