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相关论文: A Study on Trees's Knots Prediction from their Bar…

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The analysis of the internal structure of trees is highly important for both forest experts, biological scientists, and the wood industry. Traditionally, CT-scanners are considered as the most efficient way to get an accurate inner…

计算机视觉与模式识别 · 计算机科学 2020-02-12 Mohamed Mejri , Antoine Richard , Cédric Pradalier

The quality of a wood log in the wood industry depends heavily on the presence of both outer and inner defects, including inner knots that are a result of the growth of tree branches. Today, locating the inner knots require the use of…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Salim Khazem , Jeremy Fix , Cédric Pradalier

In this work, we propose a novel method to synthetically generate realistic 3D representations of wooden logs. Efficient sawmilling heavily relies on accurate measurement of logs and the distribution of knots inside them. Computed…

计算机视觉与模式识别 · 计算机科学 2025-03-19 Fedor Zolotarev , Borek Reich , Tuomas Eerola , Tomi Kauppi , Pavel Zemcik

To improve the efficiency and reduce the labour cost of the renovation process, this study presents a lightweight Convolutional Neural Network (CNN)-based architecture to extract crack-like features, such as cracks and joints. Moreover,…

图像与视频处理 · 电气工程与系统科学 2021-05-25 Jiesheng Yang , Fangzheng Lin , Yusheng Xiang , Peter Katranuschkov , Raimar J. Scherer

We propose a novel, good-quality, and less demanding method for detecting knots on the surface of wooden logs using multimodal data fusion. Knots are a primary factor affecting the quality of sawn timber, making their detection fundamental…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Bořek Reich , Matej Kunda , Fedor Zolotarev , Tuomas Eerola , Pavel Zemčík , Tomi Kauppi

While general object detection has seen tremendous progress, localization of elliptical objects has received little attention in the literature. Our motivating application is the detection of knots in sawn timber images, which is an…

计算机视觉与模式识别 · 计算机科学 2020-11-11 Shenyi Pan , Shuxian Fan , Samuel W. K. Wong , James V. Zidek , Helge Rhodin

When assessing the strength of sawn lumber for use in engineering applications, the sizes and locations of knots are an important consideration. Knots are the most common visual characteristics of lumber, that result from the growth of tree…

应用统计 · 统计学 2023-02-16 Shuxian Fan , Samuel W. K. Wong , James V. Zidek

Early diagnosis of interstitial lung diseases is crucial for their treatment, but even experienced physicians find it difficult, as their clinical manifestations are similar. In order to assist with the diagnosis, computer-aided diagnosis…

计算机视觉与模式识别 · 计算机科学 2016-12-13 Stergios Christodoulidis , Marios Anthimopoulos , Lukas Ebner , Andreas Christe , Stavroula Mougiakakou

Convolutional Neural Networks (CNN) possess many positive qualities when it comes to spatial raster data. Translation invariance enables CNNs to detect features regardless of their position in the scene. However, in some domains, like…

机器学习 · 计算机科学 2020-07-13 Arnas Uselis , Mantas Lukoševičius , Lukas Stasytis

Deep learning, as a promising new area of machine learning, has attracted a rapidly increasing attention in the field of medical imaging. Compared to the conventional machine learning methods, deep learning requires no hand-tuned feature…

定量方法 · 定量生物学 2016-11-29 He Yang , Hengyong Yu , Ge Wang

Computer Tomography (CT) images have become quite important to diagnose diseases. CT scan slice contains a vast amount of data that may not be properly examined with the requisite precision and speed using normal visual inspection. A…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Md Moniruzzaman Emon , Tareque Rahman Ornob , Moqsadur Rahman

This paper proposes a new topology optimization method that applies a convolutional neural network (CNN), which is one deep learning technique for topology optimization problems. Using this method, we acquire a structure with a little…

机器学习 · 计算机科学 2020-01-06 Yusuke Takahashi , Yoshiro Suzuki , Akira Todoroki

General graphs are difficult for learning due to their irregular structures. Existing works employ message passing along graph edges to extract local patterns using customized graph kernels, but few of them are effective for the integration…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Yecheng Lyu , Ming Li , Xinming Huang , Ulkuhan Guler , Patrick Schaumont , Ziming Zhang

Knots in wood are critical to both aesthetics and structural integrity, making their detection and pairing essential in timber processing. However, traditional manual annotation was labor-intensive and inefficient, necessitating automation.…

计算机视觉与模式识别 · 计算机科学 2025-05-12 Guohao Lin , Shidong Pan , Rasul Khanbayov , Changxi Yang , Ani Khaloian-Sarnaghi , Andriy Kovryga

We propose a novel approach to enhance the discriminability of Convolutional Neural Networks (CNN). The key idea is to build a tree structure that could progressively learn fine-grained features to distinguish a subset of classes, by…

计算机视觉与模式识别 · 计算机科学 2017-09-25 Zhenhua Wang , Xingxing Wang , Gang Wang

Deep Learning methods, specifically convolutional neural networks (CNNs), have seen a lot of success in the domain of image-based data, where the data offers a clearly structured topology in the regular lattice of pixels. This…

机器学习 · 统计学 2018-05-31 Thomas Teh , Chaiyawan Auepanwiriyakul , John Alexander Harston , A. Aldo Faisal

Lung cancer is one of the prevalence diseases in the world which cause many deaths. Detecting early stages of lung cancer is so necessary. So, modeling and simulating some intelligent medical systems is an essential which can help…

图像与视频处理 · 电气工程与系统科学 2023-12-07 Ehsan Sadeghi Pour , Mahdi Esmaeili

We present a novel graph-based approach for labeling the anatomical branches of a given airway tree segmentation. The proposed method formulates airway labeling as a branch classification problem in the airway tree graph, where branch…

计算机视觉与模式识别 · 计算机科学 2022-01-13 Weiyi Xie , Colin Jacobs , Jean-Paul Charbonnier , Bram van Ginneken

Our goal is to one day take a photo of a knot and have a phone automatically recognize it. In this expository work, we explain a strategy to approximate this goal, using a mixture of modern machine learning methods (in particular…

机器学习 · 计算机科学 2025-10-09 Anne Dranowski , Yura Kabkov , Daniel Tubbenhauer

Computer Aided Diagnosis has emerged as an indispensible technique for validating the opinion of radiologists in CT interpretation. This paper presents a deep 3D Convolutional Neural Network (CNN) architecture for automated CT scan-based…

图像与视频处理 · 电气工程与系统科学 2019-06-05 Sumita Mishra , Naresh Kumar Chaudhary , Pallavi Asthana , Anil Kumar
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