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相关论文: Contrastive Embeddings for Neural Architectures

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Network representation learning seeks to embed networks into a low-dimensional space while preserving the structural and semantic properties, thereby facilitating downstream tasks such as classification, trait prediction, edge…

机器学习 · 统计学 2025-09-16 Zihan Dong , Xin Zhou , Ryumei Nakada , Lexin Li , Linjun Zhang

While static word embedding models are known to represent linguistic analogies as parallel lines in high-dimensional space, the underlying mechanism as to why they result in such geometric structures remains obscure. We find that an…

计算与语言 · 计算机科学 2023-06-16 Narutatsu Ri , Fei-Tzin Lee , Nakul Verma

Adversarial attacks exploit the vulnerabilities of convolutional neural networks by introducing imperceptible perturbations that lead to misclassifications, exposing weaknesses in feature representations and decision boundaries. This paper…

机器学习 · 计算机科学 2024-12-30 Longwei Wang , Navid Nayyem , Abdullah Rakin

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…

机器学习 · 计算机科学 2019-09-05 Renqian Luo , Fei Tian , Tao Qin , Enhong Chen , Tie-Yan Liu

Models for image representation learning are typically designed for either recognition or generation. Various forms of contrastive learning help models learn to convert images to embeddings that are useful for classification, detection, and…

计算机视觉与模式识别 · 计算机科学 2026-01-21 Matthew Gwilliam , Xiao Wang , Xuefeng Hu , Zhenheng Yang

Many studies have been done to prove the vulnerability of neural networks to adversarial example. A trained and well-behaved model can be fooled by a visually imperceptible perturbation, i.e., an originally correctly classified image could…

计算机视觉与模式识别 · 计算机科学 2019-06-24 YiGui Luo , RuiJia Yang , Wei Sha , WeiYi Ding , YouTeng Sun , YiSi Wang

Adversarial training, in which a network is trained on both adversarial and clean examples, is one of the most trusted defense methods against adversarial attacks. However, there are three major practical difficulties in implementing and…

机器学习 · 计算机科学 2019-10-11 Shixian Wen , Laurent Itti

Given a collection of images, humans are able to discover landmarks by modeling the shared geometric structure across instances. This idea of geometric equivariance has been widely used for the unsupervised discovery of object landmark…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Zezhou Cheng , Jong-Chyi Su , Subhransu Maji

Scene graphs are a powerful structured representation of the underlying content of images, and embeddings derived from them have been shown to be useful in multiple downstream tasks. In this work, we employ a graph convolutional network to…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Paridhi Maheshwari , Ritwick Chaudhry , Vishwa Vinay

Neural architecture search has attracted wide attentions in both academia and industry. To accelerate it, researchers proposed weight-sharing methods which first train a super-network to reuse computation among different operators, from…

机器学习 · 计算机科学 2020-12-16 Xin Chen , Lingxi Xie , Jun Wu , Longhui Wei , Yuhui Xu , Qi Tian

Modern neural recording techniques such as two-photon imaging or Neuropixel probes allow to acquire vast time-series datasets with responses of hundreds or thousands of neurons. Contrastive learning is a powerful self-supervised framework…

In deep learning applications, the architectures of deep neural networks are crucial in achieving high accuracy. Many methods have been proposed to search for high-performance neural architectures automatically. However, these searched…

机器学习 · 计算机科学 2020-12-14 Ramtin Hosseini , Xingyi Yang , Pengtao Xie

Self-supervised learning has gained popularity because of its ability to avoid the cost of annotating large-scale datasets. It is capable of adopting self-defined pseudo labels as supervision and use the learned representations for several…

计算机视觉与模式识别 · 计算机科学 2021-02-09 Ashish Jaiswal , Ashwin Ramesh Babu , Mohammad Zaki Zadeh , Debapriya Banerjee , Fillia Makedon

Research aimed at scaling up neuroscience inspired learning algorithms for neural networks is accelerating. Recently, a key research area has been the study of energy-based learning algorithms such as predictive coding, due to their…

机器学习 · 计算机科学 2026-01-30 Luca Pinchetti , Simon Frieder , Thomas Lukasiewicz , Tommaso Salvatori

Contrastive learning is a powerful framework for learning self-supervised representations that generalize well to downstream supervised tasks. We show that multiple existing contrastive learning methods can be reinterpreted as learning…

机器学习 · 计算机科学 2023-02-16 Daniel D. Johnson , Ayoub El Hanchi , Chris J. Maddison

Modern chess engines achieve superhuman performance through deep tree search and regressive evaluation, while human players rely on intuition to select candidate moves followed by a shallow search to validate them. To model this…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Andrew Hamara , Greg Hamerly , Pablo Rivas , Andrew C. Freeman

Ensembling can improve the performance of Neural Networks, but existing approaches struggle when the architecture likelihood surface has dispersed, narrow peaks. Furthermore, existing methods construct equally weighted ensembles, and this…

机器学习 · 统计学 2023-03-20 Saad Hamid , Xingchen Wan , Martin Jørgensen , Binxin Ru , Michael Osborne

Multimodal contrastive learning is a methodology for linking different data modalities; the canonical example is linking image and text data. The methodology is typically framed as the identification of a set of encoders, one for each…

机器学习 · 统计学 2025-06-02 Ricardo Baptista , Andrew M. Stuart , Son Tran

In comparison to classical shallow representation learning techniques, deep neural networks have achieved superior performance in nearly every application benchmark. But despite their clear empirical advantages, it is still not well…

机器学习 · 计算机科学 2022-01-11 Calvin Murdock , George Cazenavette , Simon Lucey

Contrastive approaches to representation learning have recently shown great promise. In contrast to generative approaches, these contrastive models learn a deterministic encoder with no notion of uncertainty or confidence. In this paper, we…

机器学习 · 计算机科学 2020-10-06 Mike Wu , Noah Goodman