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Leaf segmentation is the most direct and effective way for high-throughput plant phenotype data analysis and quantitative researches of complex traits. Currently, the primary goal of plant phenotyping is to raise the accuracy of the…

计算机视觉与模式识别 · 计算机科学 2021-08-10 Ruohao Guo , Liao Qu , Dantong Niu , Zhenbo Li , Jun Yue

Image Analysis offers a new tool for classifying vascular plant species based on the morphological and colorimetric features of the seeds, and has made significant contributions in systematic studies. However, in order to extract the…

计算机视觉与模式识别 · 计算机科学 2020-12-14 A. M. P. G. Vale , M. Ucchesu , C. Di Ruberto , A. Loddo , J. M. Soares , G. Bacchetta

An out-branching of a directed graph is a rooted spanning tree with all arcs directed outwards from the root. We consider the problem of deciding whether a given directed graph D has an out-branching with at least k leaves (Directed…

数据结构与算法 · 计算机科学 2007-11-27 Paul Bonsma , Frederic Dorn

Fine-grained visual categorization (FGVC) is an important but challenging task due to high intra-class variances and low inter-class variances caused by deformation, occlusion, illumination, etc. An attention convolutional binary neural…

计算机视觉与模式识别 · 计算机科学 2020-03-17 Ruyi Ji , Longyin Wen , Libo Zhang , Dawei Du , Yanjun Wu , Chen Zhao , Xianglong Liu , Feiyue Huang

Accurate cerebrovascular segmentation from Magnetic Resonance Angiography (MRA) and Computed Tomography Angiography (CTA) is of great significance in diagnosis and treatment of cerebrovascular pathology. Due to the complexity and topology…

图像与视频处理 · 电气工程与系统科学 2024-11-22 Zhanqiang Guo , Yao Luan , Jianjiang Feng , Wangsheng Lu , Yin Yin , Guangming Yang , Jie Zhou

The {\sc Directed Maximum Leaf Out-Branching} problem is to find an out-branching (i.e. a rooted oriented spanning tree) in a given digraph with the maximum number of leaves. In this paper, we improve known parameterized algorithms and…

数据结构与算法 · 计算机科学 2007-07-10 Noga Alon , Fedor V. Fomin , Gregory Gutin , Michael Krivelevich , Saket Saurabh

Image segmentation is the most challenging issue in computer vision applications. And most difficulties for crops management in agriculture are the lack of appropriate methods for detecting the leaf damage for pests treatment. In this paper…

计算机视觉与模式识别 · 计算机科学 2014-02-25 Eric Hitimana , Oubong Gwun

The agriculture sector is essential for every country because it provides a basic income to a large number of people and food as well, which is a fundamental requirement to survive on this planet. We see as time passes, significant changes…

计算机视觉与模式识别 · 计算机科学 2021-01-05 Ginni Garg , Mantosh Biswas

The accurate classification of plant organs is a key step in monitoring the growing status and physiology of plants. A classification method was proposed to classify the leaves and stems of potted plants automatically based on the point…

计算机视觉与模式识别 · 计算机科学 2020-03-02 Zichu Liu , Qing Zhang , Pei Wang , Zhen Li , Huiru Wang

The precise delineation of blood vessels in medical images is critical for many clinical applications, including pathology detection and surgical planning. However, fully-automated vascular segmentation is challenging because of the…

图像与视频处理 · 电气工程与系统科学 2024-09-20 Amine Sadikine , Bogdan Badic , Enzo Ferrante , Vincent Noblet , Pascal Ballet , Dimitris Visvikis , Pierre-Henri Conze

The study of the retinal vasculature is a fundamental stage in the screening and diagnosis of many diseases. A complete retinal vascular analysis requires to segment and classify the blood vessels of the retina into arteries and veins…

图像与视频处理 · 电气工程与系统科学 2022-09-21 José Morano , Álvaro S. Hervella , Jorge Novo , José Rouco

Wood-composite materials are widely used today as they homogenize humidity related directional deformations. Quantification of these deformations as coefficients is important for construction and engineering and topic of current research…

计算机视觉与模式识别 · 计算机科学 2018-02-14 Markus Hofinger , Thomas Pock , Thomas Moosbrugger

Meningioma brain tumour discrimination is challenging as many histological patterns are mixed between the different subtypes. In clinical practice, dominant patterns are investigated for signs of specific meningioma pathology; however the…

计算机视觉与模式识别 · 计算机科学 2017-04-19 Omar S. Al-Kadi

Rising global food demand and growing climate pressure increase the need for sustainable, precise agricultural practices. Automated, individualized plant treatment relies on fine-grained visual analysis, yet leaf-level segmentation remains…

计算机视觉与模式识别 · 计算机科学 2026-05-06 Robert Martinko , Daniel Steininger , Julia Simon , Andreas Trondl , Matthias Blaickner

Convolutional neural networks (CNNs) have become popular especially in computer vision in the last few years because they achieved outstanding performance on different tasks, such as image classifications. We propose a nine-layer CNN for…

计算机视觉与模式识别 · 计算机科学 2017-12-05 Christoph Wick , Frank Puppe

Texture analysis is an important field of investigation that has received a great deal of interest from computer vision community. In this paper, we propose a novel approach for texture modeling based on partial differential equation (PDE).…

计算机视觉与模式识别 · 计算机科学 2012-01-20 Bruno Brandoli Machado , Wesley Nunes Gonçalves , Odemir Martinez Bruno

High efficiency in precision farming depends on accurate tools to perform weed detection and mapping of crops. This allows for precise removal of harmful weeds with a lower amount of pesticides, as well as increase of the harvest's yield by…

机器人学 · 计算机科学 2018-12-14 F. Langer , L. Mandtler , A. Milioto , E. Palazzolo , C. Stachniss

Generally, the identification and classification of plant diseases and/or pests are performed by an expert . One of the problems facing coffee farmers in Brazil is crop infestation, particularly by leaf rust Hemileia vastatrix and leaf…

计算机视觉与模式识别 · 计算机科学 2019-04-02 Giuliano L. Manso , Helder Knidel , Renato A. Krohling , Jose A. Ventura

Manual determination of plant phenotypic properties such as plant architecture, growth, and health is very time consuming and sometimes destructive. Automatic image analysis has become a popular approach. This research aims to identify the…

计算机视觉与模式识别 · 计算机科学 2020-05-20 Nazifa Khan , Oliver A. S. Lyon , Mark Eramian , Ian McQuillan

Pulmonary vessel segmentation is important for clinical diagnosis of pulmonary diseases, while is also challenging due to the complicated structure. In this work, we present an effective framework and refinement process of pulmonary vessel…

图像与视频处理 · 电气工程与系统科学 2021-07-06 Hejie Cui , Xinglong Liu , Ning Huang