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相关论文: Assessment of tear film using videokeratoscopy bas…

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Purpose: To evaluate the efficacy of a recently proposed method for characterizing tear film dynamics using non-invasive high speed videokeratoscopy in assessing the loss of homeostasis of tear film. Methods: Thirty subjects, from a…

医学物理 · 物理学 2019-02-14 Clara Llorens-Quintana , Dorota H. Szczesna-Iskander , D. Robert Iskander

Purpose: To describe a new methodology for tear-film dynamics assessment by observing fluorescein decay rate over time and to understand the relationship between the newly defined tear fluorescein washout rate (TFWR)and other measures of…

医学物理 · 物理学 2019-02-15 Izabela K. Garaszczuk , D. Robert Iskander

The present work proposes the development of a novel method to provide descriptors for colored texture images. The method consists in two steps. In the first, we apply a linear transform in the color space of the image aiming at…

数据分析、统计与概率 · 物理学 2012-02-21 João Batista Florindo , Odemir Martinez Bruno

Video depth estimation is crucial in various applications, such as scene reconstruction and augmented reality. In contrast to the naive method of estimating depths from images, a more sophisticated approach uses temporal information,…

计算机视觉与模式识别 · 计算机科学 2023-05-05 Elena Kosheleva , Sunil Jaiswal , Faranak Shamsafar , Noshaba Cheema , Klaus Illgner-Fehns , Philipp Slusallek

Fractal dimension (D) is an effective parameter to represent the irregularity and fragmental property of a self-affine surface, which is common in physical vapor deposited thin films. D could be evaluated through the scaling performance of…

材料科学 · 物理学 2018-01-30 Feng Feng , Binbin Liu , Xiangsong Zhang , Xiang Qian , Xinghui Li , Timing Qu , Pingfa Feng

Most of the known methods for estimating the fractal dimension of fractal sets are based on the evaluation of a single geometric characteristic, e.g. the volume of its parallel sets. We propose a method involving the evaluation of several…

度量几何 · 数学 2015-06-22 Evgeny Spodarev , Peter Straka , Steffen Winter

Tear film rupture on the corneal surface plays a critical role in ocular health and visual comfort. Conventional theoretical approaches often idealize the cornea as a perfectly smooth surface, ignoring the surface roughness that are…

流体动力学 · 物理学 2026-03-20 Deepak Kumar , S Pushpavanam

Fractured surfaces carry unique details that can provide an accurate quantitative comparison to support comparative forensic analysis of those fractured surfaces. In this study, a statistical analysis comparison protocol was applied to a…

One of the most important tasks in image processing problem and machine vision is object recognition, and the success of many proposed methods relies on a suitable choice of algorithm for the segmentation of an image. This paper focuses on…

应用统计 · 统计学 2011-12-07 Beatriz Marron

Due to the fractal nature of retinal blood vessels, the retinal fractal dimension is a natural parameter for researchers to explore and has garnered interest as a potential diagnostic tool. This review aims to summarize the current…

定量方法 · 定量生物学 2021-01-25 Sam Yu , Vasudevan Lakshminarayanan

We propose a novel method to measure the fractal dimension of a submonolayer metal adatom system grown under conditions of limited diffusivity on a surface. The method is based on measuring the specular peak attenuation of He atoms…

chem-ph · 物理学 2009-10-28 D. A. Hamburger , A. T. Yinnon , R. B. Gerber

The science of fractography revolves around the correlation between topographic characteristics of the fracture surface and the mechanisms and external conditions leading to their creation. While being a topic of investigation for…

图像与视频处理 · 电气工程与系统科学 2020-05-11 Stylianos Tsopanidis , Raúl Herrero Moreno , Shmuel Osovski

Existing adherent raindrop removal methods focus on the detection of the raindrop locations, and then use inpainting techniques or generative networks to recover the background behind raindrops. Yet, as adherent raindrops are diverse in…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Wending Yan , Lu Xu , Wenhan Yang , Robby T. Tan

In recent years there has been considerable interest in human action recognition. Several approaches have been developed in order to enhance the automatic video analysis. Although some developments have been achieved by the computer vision…

计算机视觉与模式识别 · 计算机科学 2012-07-09 Núbia Rosa da Silva , Odemir Martinez Bruno

Significant advancements have been made in video generative models recently. Unlike image generation, video generation presents greater challenges, requiring not only generating high-quality frames but also ensuring temporal consistency…

计算机视觉与模式识别 · 计算机科学 2024-07-24 Jiahe Liu , Youran Qu , Qi Yan , Xiaohui Zeng , Lele Wang , Renjie Liao

Fractal analysis has been widely used in computer vision, especially in texture image processing and texture analysis. The key concept of fractal-based image model is the fractal dimension, which is invariant to bi-Lipschitz transformation…

计算机视觉与模式识别 · 计算机科学 2017-03-20 Hongteng Xu , Junchi Yan , Nils Persson , Weiyao Lin , Hongyuan Zha

In this paper, we study an important yet less explored aspect in video detection and tracking -- stability. Surprisingly, there is no prior work that tried to study it. As a result, we start our work by proposing a novel evaluation metric…

计算机视觉与模式识别 · 计算机科学 2017-04-05 Hong Zhang , Naiyan Wang

Reward-based fine-tuning of video diffusion models is an effective approach to improve the quality of generated videos, as it can fine-tune models without requiring real-world video datasets. However, it can sometimes be limited to specific…

计算机视觉与模式识别 · 计算机科学 2025-10-24 Takehiro Aoshima , Yusuke Shinohara , Byeongseon Park

We present an algorithm for estimating consistent dense depth maps and camera poses from a monocular video. We integrate a learning-based depth prior, in the form of a convolutional neural network trained for single-image depth estimation,…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Johannes Kopf , Xuejian Rong , Jia-Bin Huang

Recent developments in monocular depth estimation methods enable high-quality depth estimation of single-view images but fail to estimate consistent video depth across different frames. Recent works address this problem by applying a video…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Jiahao Lu , Tianyu Huang , Peng Li , Zhiyang Dou , Cheng Lin , Zhiming Cui , Zhen Dong , Sai-Kit Yeung , Wenping Wang , Yuan Liu
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