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On the Robustness of Decision Tree Learning under Label Noise [article]

Aritra Ghosh, Naresh Manwani, P. S. Sastry
2016 arXiv   pre-print
In most practical problems of classifier learning, the training data suffers from the label noise. Hence, it is important to understand how robust is a learning algorithm to such label noise.  ...  This paper presents some theoretical analysis to show that many popular decision tree algorithms are robust to symmetric label noise under large sample size.  ...  We proved robustness of majority vote at leaf nodes under symmetric label noise. Thus, for a purely random forest,ḡ * η =ḡ * .  ... 
arXiv:1605.06296v2 fatcat:fzu5cpl2jfhuldm7gu56ylcspq

Impact of Label Noise and Efficacy of Noise Filters in Software Defect Prediction [article]

Aquib Azmain, Shihab Shahriar Khan, Nishat Tasnim Niloy, Ahmedul Kabir
2021 figshare.com  
primarily due to its unique robustness in the face of label noise.  ...  This study also revealed the highly robust nature of the Naive Bayes algorithm, the surprising brittleness of Random Forest and took the first steps towards explaining these findings.  ... 
doi:10.6084/m9.figshare.14191400.v1 fatcat:k3lzcin4yfctpevbuzixj4au2i

Signal classification for acoustic neutrino detection

M. Neff, G. Anton, A. Enzenhöfer, K. Graf, J. Hößl, U. Katz, R. Lahmann, C. Richardt
2012 Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment  
For a well-trained model, a testing error on the level of one percent is achieved for strong classifiers like Random Forest and Boosting Trees using the extracted features of the signal as input and utilising  ...  A classification system based on machine learning algorithms is analysed with the goal to find a robust and effective way to perform this task.  ...  In addition, the usage of clusters shows a substantial improvement over individual sensors. Random Forest and Boosting Trees are robust and produce well-trained models.  ... 
doi:10.1016/j.nima.2010.11.016 fatcat:75s2szv3wbatrk6xjcnrknbi5i

Signal Pattern Recognition Based on Fractal Features and Machine Learning

Chang-Ting Shi
2018 Applied Sciences  
Meanwhile, the anti-noise function, box-diagram, and running time are used to evaluate the noise robustness, separability, and computational complexity of five different fractal features.  ...  They indicate that random forest had a better recognition performance, which could reach 96% in 10 dB.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/app8081327 fatcat:7b3n7jm7hncrxegz5begsbclvq

Accurate and robust shape descriptors for the identification of RIB cage structures in CT-images with Random Forests

Mariem Gargouri, Julien Tiern, Erwan Jolivet, Philippe Petit, Elsa D. Angelini
2013 2013 IEEE 10th International Symposium on Biomedical Imaging  
Robustness with respect to subject's orientation variation and additive noise is also demonstrated, with an improvement of classification performance of up to 25%, comparing to intensity-based descriptors  ...  Motivated by a usage scenario in the context of large, heterogeneous databases of CT-images, we introduce two shape descriptors to be used in conjunction with a Random Forests (RF) classifier.  ...  RIB CAGE LABELING WITH RANDOM FORESTS Random Forests (RF) [6] is a classifier that combines multiple randomized decision trees.  ... 
doi:10.1109/isbi.2013.6556413 dblp:conf/isbi/GargouriTJPA13 fatcat:vxkntmxpabhp5opqubn55cjbtq

Effective Training Data Improved Ensemble Approaches for Urinalysis Model

Ping Wu, Min Zhu, Peng Pu, Tang Jiang
2011 International Journal of Modern Education and Computer Science  
This paper proposed hybrid sampling-based ensemble learning strategies by improving training data and classification performance.  ...  Urinalysis remains one of the most commonly performed tests in clinical practice. Laboratory work can be greatly relieved by automated analyzing techniques.  ...  It is designed to be diverse and more robust with respect to noise by using randomness: random bootstrap and random selection of attributes.  ... 
doi:10.5815/ijmecs.2011.04.04 fatcat:norqmnas7vc4bmphl3k6jhm6ha

Robust and On-the-fly Dataset Denoising for Image Classification [article]

Jiaming Song, Lunjia Hu, Michael Auli, Yann Dauphin, Tengyu Ma
2020 arXiv   pre-print
First, we observe that examples with uniform random labels have higher losses when trained with stochastic gradient descent under large learning rates.  ...  We address this problem by reasoning counterfactually about the loss distribution of examples with uniform random labels had they were trained with the real examples, and use this information to remove  ...  Therefore, algorithms that are robust to various levels of mislabeled examples are warranted in order to further improve generalization for very large labeled datasets.  ... 
arXiv:2003.10647v2 fatcat:5vnal5edybhcrclvxj2s4dac34

OBJECT CLASSIFICATION VIA PLANAR ABSTRACTION

Sven Oesau, Florent Lafarge, Pierre Alliez
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
A random forest is then used for solving the multiclass classification problem.  ...  Abstracting into planar shapes provides a means to both reduce the computational complexity and improve robustness to defects inherent to the acquisition process.  ...  ., to adapt to small variations and noise in the training data. Random forests overcome this issue by creating a large number of decision trees.  ... 
doi:10.5194/isprsannals-iii-3-225-2016 fatcat:56otbm3kjrhmph4dms2fix5ueq

OBJECT CLASSIFICATION VIA PLANAR ABSTRACTION

Sven Oesau, Florent Lafarge, Pierre Alliez
2016 ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences  
A random forest is then used for solving the multiclass classification problem.  ...  Abstracting into planar shapes provides a means to both reduce the computational complexity and improve robustness to defects inherent to the acquisition process.  ...  ., to adapt to small variations and noise in the training data. Random forests overcome this issue by creating a large number of decision trees.  ... 
doi:10.5194/isprs-annals-iii-3-225-2016 fatcat:74xlipircfhuhoesxsrfxrurz4

An Improved Fast Compressive Tracking Algorithm Based on Online Random Forest Classifier

Jintao Xiong, Pan Jiang, Jianyu Yang, Zhibin Zhong, Ran Zou, Baozhong Zhu, H.F. Abdul Amir, A.M. Korsunsky, Z. Guo
2016 MATEC Web of Conferences  
In this paper, we propose an improved fast compressive tracking algorithm based on online random forest (FCT-ORF) for robust visual tracking.  ...  The second reason is the online random forest classifier for online tracking which is demonstrated with more robust to the noise adaptively and high computational efficiency.  ...  The reasons are that we adopt the adaptive compressive sensing theory to make a discriminative representation of the target, moreover, the random forest classifier is robust to the noise for selecting  ... 
doi:10.1051/matecconf/20165901003 fatcat:py26xmma6rdmbduiifnz3omcwu

A Robust Accuracy Weighted Random Forests Algorithm for IGBTs Fault Diagnosis in PWM Converters without Additional Sensors

Gen Qiu, Fan Wu, Kai Chen, Li Wang
2022 Applied Sciences  
Based on the test accuracy of the perturbed out-of-bag data and the multiple converters test data, a robust accuracy weighted random forests algorithm is proposed for extracting a mapping relationship  ...  In order to solve the problem of fault misdiagnosis caused by parameters disturbance, this paper proposes a robust accuracy weighted random forests online fault diagnosis model to accurately locate various  ...  The theoretical basis and detailed description of the improved robust accuracy weighted random forests algorithm are presented in Section 4.  ... 
doi:10.3390/app12042121 fatcat:tbjedxztszhtfbyhh6rd7b2s2m

Learning layer-specific edges for segmenting retinal layers with large deformations

S. P. K. Karri, Debjani Chakraborthi, Jyotirmoy Chatterjee
2016 Biomedical Optics Express  
These edges augment classical dynamic programming based segmentation under layer deformation, shadow artifacts noise, and without heuristics or prior knowledge.  ...  of 1.38 pixels whereas that of the state-of-the-art was 1.68 pixels.  ...  Structured random forests [24] , have been widely employed for structural learning and displaying optimal structural risk minimization along with all the qualities of random forests, including robust  ... 
doi:10.1364/boe.7.002888 pmid:27446714 pmcid:PMC4948638 fatcat:4p4kqvn76zeencgovgczvo4pta

The Impact of Simulated Spectral Noise on Random Forest and Oblique Random Forest Classification Performance

Na'eem Hoosen Agjee, Onisimo Mutanga, Kabir Peerbhay, Riyad Ismail
2018 Journal of Spectroscopy  
This study aimed to evaluate the influence of simulated spectral noise (10%, 20%, and 30%) on random forest (RF) and oblique random forest (oRF) classification performance using two node-splitting models  ...  Despite machine learning algorithms being regarded as robust classifiers that generalize well under unfavourable noisy conditions, the extent of this is poorly understood.  ...  The workflow used to assess the impact of spectral noise on random forest and oblique random forest classification performance is presented in Figure 1. Results Description of Neochetina spp.  ... 
doi:10.1155/2018/8316918 fatcat:jgybqqhgyjhepbdmwsdimxddri

Effect of Label Noise on the Machine-Learned Classification of Earthquake Damage

Jared Frank, Umaa Rebbapragada, James Bialas, Thomas Oommen, Timothy Havens
2017 Remote Sensing  
Our study shows that classifiers that are robust to random noise are more susceptible to geospatial label noise.  ...  We first study how label noise dependent on geospatial proximity, or geospatial label noise, compares to standard random noise.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/rs9080803 fatcat:6vjqta4rifd2rmt47d2tsqhfaa

An Automated ECG Signal Diagnosing Methodology using Random Forest Classification with Quality Aware Techniques

Akshara Jayanthan M B, Prof. K. Kalai Selvi
2020 Zenodo  
The suggested ECG beat extraction approach can recover the categorization accuracy by protecting the QRS complex portion and background noises is suppressed under an acceptable level of noise .  ...  The accuracy and robustness of the anticipated method is evaluated by means of different normal and abnormal ECG signals taken from the standard MIT BIH arrhythmia database.  ...  A Random Forest is a tree-structured classificator ensemble. That forest tree gives a unit vote which assigns that input to the most likely class label.  ... 
doi:10.5281/zenodo.3892912 fatcat:4gbc6tnjyvd2hlaiyxtbeszffq
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