中文
相关论文

相关论文: A single scale retinex based method for palm vein …

200 篇论文

We introduce SPRING, a novel stochastic proximal alternating linearized minimization algorithm for solving a class of non-smooth and non-convex optimization problems. Large-scale imaging problems are becoming increasingly prevalent due to…

最优化与控制 · 数学 2021-01-20 Derek Driggs , Junqi Tang , Jingwei Liang , Mike Davies , Carola-Bibiane Schönlieb

Detecting objects in low-light scenarios presents a persistent challenge, as detectors trained on well-lit data exhibit significant performance degradation on low-light data due to low visibility. Previous methods mitigate this issue by…

计算机视觉与模式识别 · 计算机科学 2024-03-28 Zhipeng Du , Miaojing Shi , Jiankang Deng

Single-image human relighting aims to relight a target human under new lighting conditions by decomposing the input image into albedo, shape and lighting. Although plausible relighting results can be achieved, previous methods suffer from…

计算机视觉与模式识别 · 计算机科学 2022-07-13 Chaonan Ji , Tao Yu , Kaiwen Guo , Jingxin Liu , Yebin Liu

Bimodal palmprint recognition leverages palmprint and palm vein images simultaneously,which achieves high accuracy by multi-model information fusion and has strong anti-falsification property. In the recognition pipeline, the detection of…

计算机视觉与模式识别 · 计算机科学 2021-12-15 Zhaoqun Li , Xu Liang , Dandan Fan , Jinxing Li , David Zhang

Automatic analysis of retinal blood images is of vital importance in diagnosis tasks of retinopathy. Segmenting vessels accurately is a fundamental step in analysing retinal images. However, it is usually difficult due to various imaging…

计算机视觉与模式识别 · 计算机科学 2019-02-12 Yishuo Zhang , Albert C. S. Chung

An image pyramid can extend many object detection algorithms to solve detection on multiple scales. However, interpolation during the resampling process of an image pyramid causes gradient variation, which is the difference of the gradients…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Yonghyun Kim , Bong-Nam Kang , Daijin Kim

This paper proposes a novel method for modeling human retinal cone distribution. It is based on Blue-noise sampling algorithms that share interesting properties with the sampling performed by the mosaic formed by cone photoreceptors in the…

We propose a novel image sampling method for differentiable image transformation in deep neural networks. The sampling schemes currently used in deep learning, such as Spatial Transformer Networks, rely on bilinear interpolation, which…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Wei Jiang , Weiwei Sun , Andrea Tagliasacchi , Eduard Trulls , Kwang Moo Yi

Buchanan et al. [Nature 436, p. 475 (2005)] have shown that it is possible to recognize paper samples via their speckle pattern by using a line-shaped laser focus, four photo detectors and a scanning mechanism. In this report recognition of…

物理教育 · 物理学 2007-05-23 F. van Beijnum , E. G. van Putten , K. L. van der Molen , A. P. Mosk

Raman spectroscopy is a powerful and non-invasive method for analysis of chemicals and detection of unknown substances. However, Raman signal is so weak that background noise can distort the actual Raman signal. These baseline shifts that…

信号处理 · 电气工程与系统科学 2021-04-28 M. Hamed Mozaffari , Li-Lin Tay

We consider blind ptychography, an imaging technique which aims to reconstruct an object of interest from a set of its diffraction patterns, each obtained by a local illumination. As the distribution of the light within the illuminated…

数值分析 · 数学 2023-06-16 Oleh Melnyk

In this research the number of palm trees was calculated from the satellite image programmatically, taking advantage of the accuracy of the spatial resolution of satellite image, the abilities of software recognition, and characteristics of…

图像与视频处理 · 电气工程与系统科学 2018-05-30 Emad Ali Al-helaly , Noor Ali Al-Helaly

In computed tomography, the approximation quality of a scan of a physical object is typically limited by the acquisition modalities, especially the hardware including X-ray detectors. To improve upon this, we experiment with a…

图形学 · 计算机科学 2023-03-14 A. Michael Stock , Sergio López-Ureña

Segmentation of retinal vessel images is critical to the diagnosis of retinopathy. Recently, convolutional neural networks have shown significant ability to extract the blood vessel structure. However, it remains challenging to refined…

图像与视频处理 · 电气工程与系统科学 2022-02-22 Geng-Xin Xu , Chuan-Xian Ren

This report describes the experimental results obtained using a proposed variational Retinex algorithm for controlled illumination correction. Two colour restoration and enhancement schemes of the algorithm are presented for drastically…

计算机视觉与模式识别 · 计算机科学 2017-02-07 U. A. Nnolim

A novel topological segmentation of retinal images represents blood vessels as connected regions in the continuous image plane, having shape-related analytic and geometric properties. This paper presents topological segmentation results…

计算几何 · 计算机科学 2016-08-05 Martin Brooks

Detecting retinal image analysis, particularly the geometrical features of branching points, plays an essential role in diagnosing eye diseases. However, existing methods used for this purpose often are coarse-level and lack fine-grained…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Hao Wang , Wenhui Zhu , Jiayou Qin , Xin Li , Oana Dumitrascu , Xiwen Chen , Peijie Qiu , Abolfazl Razi

Visual saliency is a fundamental problem in both cognitive and computational sciences, including computer vision. In this paper, we discover that a high-quality visual saliency model can be learned from multiscale features extracted using…

计算机视觉与模式识别 · 计算机科学 2016-11-03 Guanbin Li , Yizhou Yu

The difficulty of image recognition has gradually increased from general category recognition to fine-grained recognition and to the recognition of some subtle attributes such as temperature and geolocation. In this paper, we try to focus…

计算机视觉与模式识别 · 计算机科学 2017-07-21 Hong-Yu Zhou , Bin-Bin Gao , Jianxin Wu

Low-light images, i.e. the images captured in low-light conditions, suffer from very poor visibility caused by low contrast, color distortion and significant measurement noise. Low-light image enhancement is about improving the visibility…

图像与视频处理 · 电气工程与系统科学 2020-07-08 Jinxiu Liang , Yong Xu , Yuhui Quan , Jingwen Wang , Haibin Ling , Hui Ji