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Related papers: Pathfinding Neural Cellular Automata

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Neural architecture search (NAS) aims to produce the optimal sparse solution from a high-dimensional space spanned by all candidate connections. Current gradient-based NAS methods commonly ignore the constraint of sparsity in the search…

Computer Vision and Pattern Recognition · Computer Science 2020-10-14 Yibo Yang , Hongyang Li , Shan You , Fei Wang , Chen Qian , Zhouchen Lin

The time and effort involved in hand-designing deep neural networks is immense. This has prompted the development of Neural Architecture Search (NAS) techniques to automate this design. However, NAS algorithms tend to be slow and expensive;…

Machine Learning · Computer Science 2021-06-14 Joseph Mellor , Jack Turner , Amos Storkey , Elliot J. Crowley

Automatic neural architecture design has shown its potential in discovering powerful neural network architectures. Existing methods, no matter based on reinforcement learning or evolutionary algorithms (EA), conduct architecture search in a…

Machine Learning · Computer Science 2019-09-05 Renqian Luo , Fei Tian , Tao Qin , Enhong Chen , Tie-Yan Liu

Many predictive tasks of web applications need to model categorical variables, such as user IDs and demographics like genders and occupations. To apply standard machine learning techniques, these categorical predictors are always converted…

Machine Learning · Computer Science 2017-08-18 Xiangnan He , Tat-Seng Chua

Search algorithms are often categorized by their node expansion strategy. One option is the depth-first strategy, a simple backtracking strategy that traverses the search space in the order in which successor nodes are generated. An…

Artificial Intelligence · Computer Science 2024-03-21 Aske Plaat

We present a multi-scale forward search algorithm for distributed agents to solve single-query shortest path planning problems. Each agent first builds a representation of its own search space of the common environment as a multi-resolution…

Multiagent Systems · Computer Science 2019-10-10 Jaein Lim , Panagiotis Tsiotras

Cellular Automata (CA) have long been foundational in simulating dynamical systems computationally. With recent innovations, this model class has been brought into the realm of deep learning by parameterizing the CA's update rule using an…

Neural and Evolutionary Computing · Computer Science 2023-11-29 Magnus Petersen

The quadratic shortest path problem is the problem of finding a path in a directed graph such that the sum of interaction costs over all pairs of arcs on the path is minimized. We derive several semidefinite programming relaxations for the…

Optimization and Control · Mathematics 2017-08-23 Hao Hu , Renata Sotirov

Depth first search (DFS) tree is a fundamental data structure for solving various graph problems. The classical DFS algorithm requires $O(m+n)$ time for a graph having $n$ vertices and $m$ edges. In the streaming model, an algorithm is…

Data Structures and Algorithms · Computer Science 2019-01-14 Shahbaz Khan , Shashank K. Mehta

Searching techniques in most of existing neural architecture search (NAS) algorithms are mainly dominated by differentiable methods for the efficiency reason. In contrast, we develop an efficient continuous evolutionary approach for…

Computer Vision and Pattern Recognition · Computer Science 2020-03-10 Zhaohui Yang , Yunhe Wang , Xinghao Chen , Boxin Shi , Chao Xu , Chunjing Xu , Qi Tian , Chang Xu

In neural architecture search (NAS), the space of neural network architectures is automatically explored to maximize predictive accuracy for a given task. Despite the success of recent approaches, most existing methods cannot be directly…

Machine Learning · Statistics 2019-02-15 Francesco Paolo Casale , Jonathan Gordon , Nicolo Fusi

Deep neural network architectures have traditionally been designed and explored with human expertise in a long-lasting trial-and-error process. This process requires huge amount of time, expertise, and resources. To address this tedious…

Machine Learning · Statistics 2018-07-23 Aliasghar Mortazi , Ulas Bagci

Neural networks are trained by choosing an architecture and training the parameters. The choice of architecture is often by trial and error or with Neural Architecture Search (NAS) methods. While NAS provides some automation, it often…

Machine Learning · Computer Science 2024-10-14 Zitong Huang , Mansooreh Montazerin , Ajitesh Srivastava

Deep Neural Networks (DNNs) have recently shown state of the art performance on semantic segmentation tasks, however, they still suffer from problems of poor boundary localization and spatial fragmented predictions. The difficulties lie in…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Peng Jiang , Fanglin Gu , Yunhai Wang , Changhe Tu , Baoquan Chen

We tackle the problem of finding good architectures for multimodal classification problems. We propose a novel and generic search space that spans a large number of possible fusion architectures. In order to find an optimal architecture for…

Machine Learning · Computer Science 2019-03-18 Juan-Manuel Pérez-Rúa , Valentin Vielzeuf , Stéphane Pateux , Moez Baccouche , Frédéric Jurie

Differentiable architecture search (DARTS) provided a fast solution in finding effective network architectures, but suffered from large memory and computing overheads in jointly training a super-network and searching for an optimal…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Yuhui Xu , Lingxi Xie , Xiaopeng Zhang , Xin Chen , Guo-Jun Qi , Qi Tian , Hongkai Xiong

The key challenge in neural architecture search (NAS) is designing how to explore wisely in the huge search space. We propose a new NAS method called TNAS (NAS with trees), which improves search efficiency by exploring only a small number…

Artificial Intelligence · Computer Science 2022-04-12 Guocheng Qian , Xuanyang Zhang , Guohao Li , Chen Zhao , Yukang Chen , Xiangyu Zhang , Bernard Ghanem , Jian Sun

Unified understanding of neuro networks (NNs) gets the users into great trouble because they have been puzzled by what kind of rules should be obeyed to optimize the internal structure of NNs. Considering the potential capability of random…

Machine Learning · Computer Science 2022-01-03 Ruiqi Mao , Rongxin Cui

Conflict-Based Search (CBS) is a widely used algorithm for solving multi-agent pathfinding (MAPF) problems optimally. The core idea of CBS is to run hierarchical search, when, on the high level the tree of solutions candidates is explored,…

Artificial Intelligence · Computer Science 2022-09-21 Ilya Ivanashev , Anton Andreychuk , Konstantin Yakovlev

Most practitioners use a variant of the Alpha-Beta algorithm, a simple depth-first pro- cedure, for searching minimax trees. SSS*, with its best-first search strategy, reportedly offers the potential for more efficient search. However, the…

Artificial Intelligence · Computer Science 2015-05-08 Aske Plaat , Jonathan Schaeffer , Wim Pijls , Arie de Bruin