Search Results for author: John Chiang

Found 8 papers, 3 papers with code

Privacy-Preserving 3-Layer Neural Network Training using Mere Homomorphic Encryption Technique

no code implementations18 Aug 2023 John Chiang

In this manuscript, we consider the problem of privacy-preserving training of neural networks in the mere homomorphic encryption setting.

Privacy Preserving regression

Activation Functions Not To Active: A Plausible Theory on Interpreting Neural Networks

no code implementations1 May 2023 John Chiang

This $\textit{ Super Space }$ is something like a coordinate system, in which every multivalue function can be represented by a $\textit{ Super Plane }$.

regression

Privacy-Preserving CNN Training with Transfer Learning

no code implementations7 Apr 2023 John Chiang

; and (4) we use a simple but flexible matrix-encoding method named $\texttt{Volley Revolver}$ to manage the data flow in the ciphertexts, which is the key factor to complete the whole homomorphic CNN training.

C++ code Privacy Preserving +1

Quadratic Gradient: Combining Gradient Algorithms and Newton's Method as One

no code implementations3 Sep 2022 John Chiang

Also, Chiang speculates that there might be a relation between the Hessian matrix and the learning rate for the first-order gradient descent method.

Multinomial Logistic Regression Algorithms via Quadratic Gradient

no code implementations14 Aug 2022 John Chiang

A recently work proposed a faster gradient called $\texttt{quadratic gradient}$ that can accelerate the binary logistic regression training, and presented an enhanced Nesterov's accelerated gradient (NAG) method for binary logistic regression.

regression

Volley Revolver: A Novel Matrix-Encoding Method for Privacy-Preserving Neural Networks (Inference)

1 code implementation29 Jan 2022 John Chiang

In a public cloud with 40 vCPUs, our convolutional neural network implementation on the MNIST testing dataset takes $\sim$ 287 seconds to compute ten likelihoods of 32 encrypted images of size $28 \times 28$ simultaneously.

Image Classification Privacy Preserving

On Polynomial Approximation of Activation Function

1 code implementation29 Jan 2022 John Chiang

In this work, we propose an interesting method that aims to approximate an activation function over some domain by polynomials of the presupposing low degree.

Privacy-Preserving Logistic Regression Training with A Faster Gradient Variant

1 code implementation26 Jan 2022 John Chiang

In this paper, we propose a faster gradient variant called $\texttt{quadratic gradient}$ for privacy-preserving logistic regression training.

Privacy Preserving regression

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