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Bio-inspired neural networks are attractive for their adversarial robustness, energy frugality, and closer alignment with cortical physiology, yet they often lag behind back-propagation (BP) based models in accuracy and ability to scale. We…

神经与进化计算 · 计算机科学 2025-07-21 Imane Hamzaoui , Riyadh Baghdadi

Novelty Detection (ND) plays a crucial role in machine learning by identifying new or unseen data during model inference. This capability is especially important for the safe and reliable operation of automated systems. Despite advances in…

Network Morphism based Neural Architecture Search (NAS) is one of the most efficient methods, however, knowing where and when to add new neurons or remove dis-functional ones is generally left to black-box Reinforcement Learning models. In…

机器学习 · 计算机科学 2022-07-12 Suman Sapkota , Binod Bhattarai

When employing an evolutionary algorithm to optimize a neural networks architecture, developers face the added challenge of tuning the evolutionary algorithm's own hyperparameters - population size, mutation rate, cloning rate, and number…

神经与进化计算 · 计算机科学 2025-03-17 Benjamin David Winter , William J. Teahan

Despite recent progress in robot learning, it still remains a challenge to program a robot to deal with open-ended object manipulation tasks. One approach that was recently used to autonomously generate a repertoire of diverse skills is a…

人工智能 · 计算机科学 2020-08-12 Leon Keller , Daniel Tanneberg , Svenja Stark , Jan Peters

In the Reinforcement Learning (RL) framework, the learning is guided through a reward signal. This means that in situations of sparse rewards the agent has to focus on exploration, in order to discover which action, or set of actions leads…

机器学习 · 计算机科学 2022-03-03 Giuseppe Paolo

To handle the sparsity of the extrinsic rewards in reinforcement learning, researchers have proposed intrinsic reward which enables the agent to learn the skills that might come in handy for pursuing the rewards in the future, such as…

机器学习 · 计算机科学 2022-05-31 Chao Chen , Zijian Gao , Kele Xu , Sen Yang , Yiying Li , Bo Ding , Dawei Feng , Huaimin Wang

Similarity search methods are widely used as kernels in various machine learning applications. Nearest neighbor search (NNS) algorithms are often used to retrieve similar entries, given a query. While there exist efficient techniques for…

数据库 · 计算机科学 2010-06-18 Rajendra Shinde , Ashish Goel , Pankaj Gupta , Debojyoti Dutta

Binary Neural Networks (BNNs) have gained extensive attention for their superior inferencing efficiency and compression ratio compared to traditional full-precision networks. However, due to the unique characteristics of BNNs, designing a…

计算机视觉与模式识别 · 计算机科学 2024-08-29 Zhihao Lin , Yongtao Wang , Jinhe Zhang , Xiaojie Chu , Haibin Ling

A myriad of recent breakthroughs in hand-crafted neural architectures for visual recognition have highlighted the urgent need to explore hybrid architectures consisting of diversified building blocks. Meanwhile, neural architecture search…

计算机视觉与模式识别 · 计算机科学 2021-08-20 Changlin Li , Tao Tang , Guangrun Wang , Jiefeng Peng , Bing Wang , Xiaodan Liang , Xiaojun Chang

This paper reviews, analyzes, and proposes a new perspective on the bi-encoder architecture for neural search. While the bi-encoder architecture is widely used due to its simplicity and scalability at test time, it has some notable issues…

机器学习 · 计算机科学 2025-12-29 Hung-Nghiep Tran , Akiko Aizawa , Atsuhiro Takasu

Large-scale approximate nearest neighbor search (ANN) has been gaining attention along with the latest machine learning researches employing ANNs. If the data is too large to fit in memory, it is necessary to search for the most similar…

机器学习 · 计算机科学 2025-01-29 Taiga Ikeda , Daisuke Miyashita , Jun Deguchi

Neural architecture search (NAS) finds high performing networks for a given task. Yet the results of NAS are fairly prosaic; they did not e.g. create a shift from convolutional structures to transformers. This is not least because the…

Neural architecture search (NAS) recently attracts much research attention because of its ability to identify better architectures than handcrafted ones. However, many NAS methods, which optimize the search process in a discrete search…

机器学习 · 计算机科学 2019-11-22 Quanming Yao , Ju Xu , Wei-Wei Tu , Zhanxing Zhu

Nearest neighbor (NN) search is inherently computationally expensive in high-dimensional spaces due to the curse of dimensionality. As a well-known solution, locality-sensitive hashing (LSH) is able to answer c-approximate NN (c-ANN)…

数据库 · 计算机科学 2021-07-13 Bolong Zheng , Xi Zhao , Lianggui Weng , Nguyen Quoc Viet Hung , Hang Liu , Christian S. Jensen

The k-nearest neighbors (k-NN) is a basic machine learning (ML) algorithm, and several quantum versions of it, employing different distance metrics, have been presented in the last few years. Although the Euclidean distance is one of the…

新兴技术 · 计算机科学 2024-04-25 Enrico Zardini , Enrico Blanzieri , Davide Pastorello

Neural Architecture Search (NAS) was first proposed to achieve state-of-the-art performance through the discovery of new architecture patterns, without human intervention. An over-reliance on expert knowledge in the search space design has…

机器学习 · 计算机科学 2021-01-05 Binxin Ru , Pedro Esperanca , Fabio Carlucci

In this paper we study the problem of finding the approximate nearest neighbor of a query point in the high dimensional space, focusing on the Euclidean space. The earlier approaches use locality-preserving hash functions (that tend to map…

数据结构与算法 · 计算机科学 2007-05-23 Rina Panigrahy

Neural architecture search (NAS) is an attractive approach to automate the design of optimized architectures but is constrained by high computational budget, especially when optimizing for multiple, important conflicting objectives. To…

机器学习 · 计算机科学 2025-09-03 Zhao Wei , Chin Chun Ooi , Yew-Soon Ong

We suggest a robust nearest-neighbor approach to classifying high-dimensional data. The method enhances sensitivity by employing a threshold and truncates to a sequence of zeros and ones in order to reduce the deleterious impact of…

统计理论 · 数学 2009-09-02 Yao-ban Chan , Peter Hall