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Currently, Markov-Gibbs random field (MGRF) image models which include high-order interactions are almost always built by modelling responses of a stack of local linear filters. Actual interaction structure is specified implicitly by the…

计算机视觉与模式识别 · 计算机科学 2015-12-01 Ralph Versteegen , Georgy Gimel'farb , Patricia Riddle

Tree species identification using bark images is a challenging problem that could prove useful for many forestry related tasks. However, while the recent progress in deep learning showed impressive results on standard vision problems, a…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Mathieu Carpentier , Philippe Giguère , Jonathan Gaudreault

In a typical supervised machine learning setting, the predictions on all test instances are based on a common subset of features discovered during model training. However, using a different subset of features that is most informative for…

机器学习 · 计算机科学 2021-06-10 Yasitha Warahena Liyanage , Daphney-Stavroula Zois , Charalampos Chelmis

Image textures, as a kind of local variations, provide important information for human visual system. Many image textures, especially the small-scale or stochastic textures are rich in high-frequency variations, and are difficult to be…

计算机视觉与模式识别 · 计算机科学 2019-10-02 Wenzhao Zhao , Qiegen Liu , Yisong Lv , Binjie Qin

Stochastic texture filtering (STF) has re-emerged as a technique that can bring down the cost of texture filtering of advanced texture compression methods, e.g., neural texture compression. However, during texture magnification, the swapped…

图形学 · 计算机科学 2025-04-09 Bartlomiej Wronski , Matt Pharr , Tomas Akenine-Möller

In the present work we introduce a novel graded-material design based on phase-field and topology optimization. The main novelty of this work comes from the introduction of an additional phase-field variable in the classical single-material…

We propose an architecture for fine-grained visual categorization that approaches expert human performance in the classification of bird species. Our architecture first computes an estimate of the object's pose; this is used to compute…

计算机视觉与模式识别 · 计算机科学 2014-06-12 Steve Branson , Grant Van Horn , Serge Belongie , Pietro Perona

Here, we present a machine vision approach, combining a VAE framework with PCA, to decipher galaxy images. Using mock gri-band images from the EAGLE simulation, the VAE finds that around 35 features are needed to describe the images. Adding…

星系天体物理 · 物理学 2025-11-27 Samuel Howie , Ting-Yun Cheng , Carlton M. Baugh

Penalized Least Squares are widely used in signal and image processing. Yet, it suffers from a major limitation since it requires fine-tuning of the regularization parameters. Under assumptions on the noise probability distribution,…

机器学习 · 统计学 2020-05-13 Barbara Pascal , Samuel Vaiter , Nelly Pustelnik , Patrice Abry

Background: Skin cancer is one of the widely seen cancer worldwide and automatic classification of skin cancer can be benefited dermatology clinics for an accurate diagnosis. Hence, a machine learning-based automatic skin cancer detection…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Mehmet Baygin , Turker Tuncer , Sengul Dogan

In the age of information explosion, image classification is the key technology of dealing with and organizing a large number of image data. Currently, the classical image classification algorithms are mostly based on RGB images or…

计算机视觉与模式识别 · 计算机科学 2019-03-13 Yaoqi Sun , Liang Li , Liang Zheng , Ji Hu , Yatong Jiang , Chenggang Yan

Filter or screening methods are often used as a preprocessing step for reducing the number of variables used by a learning algorithm in obtaining a classification or regression model. While there are many such filter methods, there is a…

机器学习 · 统计学 2019-09-13 Mingyuan Wang , Adrian Barbu

The problem of segregating recyclable waste is fairly daunting for many countries. This article presents an approach for image based classification of plastic waste using one-shot learning techniques. The proposed approach exploits…

计算机视觉与模式识别 · 计算机科学 2020-09-30 Shivaank Agarwal , Ravindra Gudi , Paresh Saxena

The recent statistical theory of neural networks focuses on nonparametric denoising problems that treat randomness as additive noise. Variability in image classification datasets does, however, not originate from additive noise but from…

统计理论 · 数学 2025-08-19 Juntong Chen , Sophie Langer , Johannes Schmidt-Hieber

It is well known that fraudulent reviews cast doubt on the legitimacy and dependability of online purchases. The most recent development that leads customers towards darkness is the appearance of human reviews in computer-generated (CG)…

计算与语言 · 计算机科学 2025-12-01 Shabbir Anees , Anshuman , Ayush Chaurasia , Prathmesh Bogar

The structural characterization is an essential task in the study of porous materials. To achieve reliable results, it requires to evaluate images with hundreds of pores. Current methods require large time amounts and are subjected to human…

软凝聚态物质 · 物理学 2025-02-12 Jorge Torre , Suset Barroso-Solares , M. A. Rodríguez-Pérez , Javier Pinto

The paper reports an experimentally identified list of benchmark data sets that are hard for representative classification and feature selection methods. This was done after systematically evaluating a total of 48 combinations of methods,…

机器学习 · 计算机科学 2018-11-26 Cuiju Luan , Guozhu Dong

DNA methylation is a well-studied genetic modification that regulates gene transcription of Eukaryotes. Its alternations have been recognized as a significant component of cancer development. In this study, we use the DNA methylation 450k…

组织与器官 · 定量生物学 2021-01-05 Shen Jia , Yulin Zhang , Yiming Mao , Jiawei Gao , Yixuan Chen , Yuxuan Jiang , Haochen Luo , Kebo Lv , Jionglong Su

The objective of this work is to study the applicability of various Machine Learning algorithms for prediction of some rock properties which geoscientists usually define due to special lab analysis. We demonstrate that these special…

机器学习 · 计算机科学 2019-02-19 Andrei Erofeev , Denis Orlov , Alexey Ryzhov , Dmitry Koroteev

Filter selection techniques are known for their simplicity and efficiency. However this kind of methods doesn't take into consideration the features inter-redundancy. Consequently the un-removed redundant features remain in the final…

机器学习 · 计算机科学 2012-08-21 Waad Bouaguel , Ghazi Bel Mufti
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