Search Results for author: Darrell Whitley

Found 11 papers, 3 papers with code

NK Hybrid Genetic Algorithm for Clustering

1 code implementation6 Feb 2024 Renato Tinós, Liang Zhao, Francisco Chicano, Darrell Whitley

Mutation operators, a partition crossover, and a local search strategy are proposed, all using information about the relationship between decision variables.

Clustering

Dynastic Potential Crossover Operator

1 code implementation6 Feb 2024 Francisco Chicano, Gabriela Ochoa, Darrell Whitley, Renato Tinós

In this paper, we present a recombination operator, called Dynastic Potential Crossover (DPX), that runs in polynomial time and behaves like an optimal recombination operator for low-epistasis combinatorial problems.

Stochastic Subnetwork Annealing: A Regularization Technique for Fine Tuning Pruned Subnetworks

no code implementations16 Jan 2024 Tim Whitaker, Darrell Whitley

Pruning methods have recently grown in popularity as an effective way to reduce the size and computational complexity of deep neural networks.

Randomly Initialized Subnetworks with Iterative Weight Recycling

no code implementations28 Mar 2023 Matt Gorbett, Darrell Whitley

In addition to Iterative Weight Recycling, we complement the Multi-Prize Lottery Ticket Hypothesis with a reciprocal finding: high-accuracy, randomly initialized subnetwork's produce diverse masks, despite being generated with the same hyperparameter's and pruning strategy.

Interpretable Diversity Analysis: Visualizing Feature Representations In Low-Cost Ensembles

no code implementations12 Feb 2023 Tim Whitaker, Darrell Whitley

Diversity is an important consideration in the construction of robust neural network ensembles.

Synaptic Stripping: How Pruning Can Bring Dead Neurons Back To Life

no code implementations11 Feb 2023 Tim Whitaker, Darrell Whitley

Rectified Linear Units (ReLU) are the default choice for activation functions in deep neural networks.

Prune and Tune Ensembles: Low-Cost Ensemble Learning With Sparse Independent Subnetworks

1 code implementation23 Feb 2022 Tim Whitaker, Darrell Whitley

We then create child networks by cloning the parent and dramatically pruning the parameters of each child to create an ensemble of members with unique and diverse topologies.

Ensemble Learning

Efficient Hill-Climber for Multi-Objective Pseudo-Boolean Optimization

no code implementations27 Jan 2016 Francisco Chicano, Darrell Whitley, Renato Tinos

Local search can be a stand along search methods, but it can also be hybridized with evolutionary algorithms.

Evolutionary Algorithms

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