Results 31 to 40 of about 211,846 (266)

Hyperparameter Optimization for AST Differencing

open access: yesIEEE Transactions on Software Engineering, 2023
Computing the differences between two versions of the same program is an essential task for software development and software evolution research. AST differencing is the most advanced way of doing so, and an active research area. Yet, AST differencing algorithms rely on configuration parameters that may have a strong impact on their effectiveness.
Matias Martinez   +2 more
openaire   +3 more sources

Handwritten Digit Recognition: Hyperparameters-Based Analysis

open access: yesApplied Sciences, 2020
Neural networks have several useful applications in machine learning. However, benefiting from the neural-network architecture can be tricky in some instances due to the large number of parameters that can influence performance.
Saleh Albahli   +3 more
doaj   +1 more source

Interpolation Models with Multiple Hyperparameters [PDF]

open access: yesStatistics and Computing, 1996
A traditional interpolation model is characterized by the choice of regularizer applied to the interpolant, and the choice of noise model. Typically, the regularizer has a single regularization constant α, and the noise model has a single parameter β.
DAVID J. C. MACKAY, RYO TAKEUCHI
openaire   +1 more source

Hyperparameter Tuning of Load-Forecasting Models Using Metaheuristic Optimization Algorithms—A Systematic Review

open access: yesMathematics
Load forecasting is an integral part of the power industries. Load-forecasting techniques should minimize the percentage error while prediction future demand. This will inherently help utilities have an uninterrupted power supply.
Umme Mumtahina   +2 more
doaj   +1 more source

On Architecture Selection for Linear Inverse Problems with Untrained Neural Networks

open access: yesEntropy, 2021
In recent years, neural network based image priors have been shown to be highly effective for linear inverse problems, often significantly outperforming conventional methods that are based on sparsity and related notions.
Yang Sun   +2 more
doaj   +1 more source

Clustering via kernel decomposition [PDF]

open access: yes, 2006
Spectral clustering methods were proposed recently which rely on the eigenvalue decomposition of an affinity matrix. In this letter, the affinity matrix is created from the elements of a nonparametric density estimator and then decomposed to obtain ...
Girolami, M.   +2 more
core   +2 more sources

PyHopper -- Hyperparameter optimization

open access: yes, 2022
Hyperparameter tuning is a fundamental aspect of machine learning research. Setting up the infrastructure for systematic optimization of hyperparameters can take a significant amount of time. Here, we present PyHopper, a black-box optimization platform designed to streamline the hyperparameter tuning workflow of machine learning researchers. PyHopper's
Lechner, Mathias   +4 more
openaire   +2 more sources

Adaptive Markov random fields for joint unmixing and segmentation of hyperspectral image [PDF]

open access: yes, 2013
Linear spectral unmixing is a challenging problem in hyperspectral imaging that consists of decomposing an observed pixel into a linear combination of pure spectra (or endmembers) with their corresponding proportions (or abundances). Endmember extraction
Benediktsson, Jon Atli   +3 more
core   +3 more sources

Is one hyperparameter optimizer enough? [PDF]

open access: yesProceedings of the 4th ACM SIGSOFT International Workshop on Software Analytics, 2018
Hyperparameter tuning is the black art of automatically finding a good combination of control parameters for a data miner. While widely applied in empirical Software Engineering, there has not been much discussion on which hyperparameter tuner is best for software analytics.
Tu, Huy, Nair, Vivek
openaire   +2 more sources

A novel deep learning technique for multi classify Alzheimer disease: hyperparameter optimization technique

open access: yesFrontiers in Artificial Intelligence
A progressive brain disease that affects memory and cognitive function is Alzheimer’s disease (AD). To put therapies in place that potentially slow the progression of AD, early diagnosis and detection are essential.
A. S. Elmotelb   +5 more
doaj   +1 more source

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