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Learning from imbalanced data is one of the most significant challenges in real-world classification tasks. In such cases, neural networks performance is substantially impaired due to preference towards the majority class. Existing…

机器学习 · 计算机科学 2022-11-13 Bronislav Yasinnik , Moshe Salhov , Ofir Lindenbaum , Amir Averbuch

Data augmentation is an important technique to reduce overfitting and improve learning performance, but existing works on data augmentation for 3D point cloud data are based on heuristics. In this work, we instead propose to automatically…

计算机视觉与模式识别 · 计算机科学 2021-12-21 Wanyue Zhang , Xun Xu , Fayao Liu , Le Zhang , Chuan-Sheng Foo

Data augmentation has proved extremely useful by increasing training data variance to alleviate overfitting and improve deep neural networks' generalization performance. In medical image analysis, a well-designed augmentation policy usually…

计算机视觉与模式识别 · 计算机科学 2021-03-31 Yunhe Gao , Zhiqiang Tang , Mu Zhou , Dimitris Metaxas

Deep learning has achieved remarkable results in many computer vision tasks. Deep neural networks typically rely on large amounts of training data to avoid overfitting. However, labeled data for real-world applications may be limited. By…

计算机视觉与模式识别 · 计算机科学 2023-11-07 Suorong Yang , Weikang Xiao , Mengchen Zhang , Suhan Guo , Jian Zhao , Furao Shen

Data augmentation is essential to achieve state-of-the-art performance in many deep learning applications. However, the most effective augmentation techniques become computationally prohibitive for even medium-sized datasets. To address…

机器学习 · 计算机科学 2023-07-21 Tian Yu Liu , Baharan Mirzasoleiman

Prior work on plant species classification predominantly focuses on building models from isolated plant attributes. Hence, there is a need for tools that can assist in species identification in the natural world. We present a novel and…

计算机视觉与模式识别 · 计算机科学 2021-10-11 Dewald Homan , Johan A. du Preez

With the rapid development of deep learning, automatic modulation recognition (AMR), as an important task in cognitive radio, has gradually transformed from traditional feature extraction and classification to automatic classification by…

信号处理 · 电气工程与系统科学 2024-10-30 Xinjie Xu , Zhuangzhi Chen , Dongwei Xu , Huaji Zhou , Shanqing Yu , Shilian Zheng , Qi Xuan , Xiaoniu Yang

We present an algorithm for classification tasks on big data. Experiments conducted as part of this study indicate that the algorithm can be as accurate as ensemble methods such as random forests or gradient boosted trees. Unlike ensemble…

机器学习 · 统计学 2017-10-27 Rajiv Sambasivan , Sourish Das

Rice is a staple food for a significant portion of the world's population, providing essential nutrients and serving as a versatile in-gredient in a wide range of culinary traditions. Recently, the use of deep learning has enabled automated…

计算机视觉与模式识别 · 计算机科学 2025-12-16 Wanke Xia , Ruoxin Peng , Haoqi Chu , Xinlei Zhu , Zhiyu Yang , Lili Yang , Bo Lv , Xunwen Xiang

Crop classification using remote sensing data has emerged as a prominent research area in recent decades. Studies have demonstrated that fusing SAR and optical images can significantly enhance the accuracy of classification. However, a…

计算机视觉与模式识别 · 计算机科学 2024-02-07 Ali Mirzaei , Hossein Bagheri , Iman Khosravi

Automated scoring of students' scientific explanations offers the potential for immediate, accurate feedback, yet class imbalance in rubric categories particularly those capturing advanced reasoning remains a challenge. This study…

人工智能 · 计算机科学 2026-04-23 Prudence Djagba , Kevin Haudek , Clare G. C. Franovic , Leonora Kaldaras

The number of leaves a plant has is one of the key traits (phenotypes) describing its development and growth. Here, we propose an automated, deep learning based approach for counting leaves in model rosette plants. While state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2017-09-06 Andrei Dobrescu , Mario Valerio Giuffrida , Sotirios A Tsaftaris

Practical automated detection and diagnosis of plant disease from wide-angle images (i.e. in-field images containing multiple leaves using a fixed-position camera) is a very important application for large-scale farm management, in view of…

计算机视觉与模式识别 · 计算机科学 2019-11-25 Katsumasa Suwa , Quan Huu Cap , Ryunosuke Kotani , Hiroyuki Uga , Satoshi Kagiwada , Hitoshi Iyatomi

There is a common belief that the successful training of deep neural networks requires many annotated training samples, which are often expensive and difficult to obtain especially in the biomedical imaging field. While it is often easy for…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Tony C. W Mok , Albert C. S Chung

Data augmentation, the artificial creation of training data for machine learning by transformations, is a widely studied research field across machine learning disciplines. While it is useful for increasing a model's generalization…

计算与语言 · 计算机科学 2022-09-09 Markus Bayer , Marc-André Kaufhold , Christian Reuter

Data augmentation (DA) techniques aim to increase data variability, and thus train deep networks with better generalisation. The pioneering AutoAugment automated the search for optimal DA policies with reinforcement learning. However,…

计算机视觉与模式识别 · 计算机科学 2020-07-31 Yonggang Li , Guosheng Hu , Yongtao Wang , Timothy Hospedales , Neil M. Robertson , Yongxin Yang

Crop diseases are a major threat to food security, but their rapid identification remains difficult in many parts of the world due to the lack of the necessary infrastructure. The combination of increasing global smartphone penetration and…

计算机视觉与模式识别 · 计算机科学 2016-04-18 Sharada Prasanna Mohanty , David Hughes , Marcel Salathe

Data collection is often difficult in critical fields such as medicine, physics, and chemistry. As a result, classification methods usually perform poorly with these small datasets, leading to weak predictive performance. Increasing the…

机器学习 · 计算机科学 2024-11-07 Andrei Margeloiu , Xiangjian Jiang , Nikola Simidjievski , Mateja Jamnik

In order to reduce overfitting, neural networks are typically trained with data augmentation, the practice of artificially generating additional training data via label-preserving transformations of existing training examples. While these…

计算机视觉与模式识别 · 计算机科学 2019-01-23 Cecilia Summers , Michael J. Dinneen

The use of artificial intelligence in the agricultural sector has been growing at a rapid rate to automate farming activities. Emergent farming technologies focus on mapping and classification of plants, fruits, diseases, and soil types.…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Jakub Pomykala , Francisco de Lemos , Isibor Kennedy Ihianle , David Ada Adama , Pedro Machado