Search Results for author: Chengfang Ren

Found 6 papers, 4 papers with code

Neural network scoring for efficient computing

no code implementations14 Oct 2023 Hugo Waltsburger, Erwan Libessart, Chengfang Ren, Anthony Kolar, Regis Guinvarc'h

One of the main applications and novelties is the measurement of algorithmic power efficiency.

Miscellaneous

Theory and Implementation of Complex-Valued Neural Networks

1 code implementation16 Feb 2023 Jose Agustin Barrachina, Chengfang Ren, Gilles Vieillard, Christele Morisseau, Jean-Philippe Ovarlez

This work explains in detail the theory behind Complex-Valued Neural Network (CVNN), including Wirtinger calculus, complex backpropagation, and basic modules such as complex layers, complex activation functions, or complex weight initialization.

Impact of PolSAR pre-processing and balancing methods on complex-valued neural networks segmentation tasks

1 code implementation28 Oct 2022 José Agustin Barrachina, Chengfang Ren, Christèle Morisseau, Gilles Vieillard, Jean-Philippe Ovarlez

In this paper, we investigated the semantic segmentation of Polarimetric Synthetic Aperture Radar (PolSAR) using Complex-Valued Neural Network (CVNN).

Semantic Segmentation valid

Deep Learning-Based Anomaly Detection in Synthetic Aperture Radar Imaging

no code implementations28 Oct 2022 Max Muzeau, Chengfang Ren, Sébastien Angelliaume, Mihai Datcu, Jean-Philippe Ovarlez

Experiments are performed to show the advantages of our method compared to the conventional Reed-Xiaoli algorithm, highlighting the importance of an efficient despeckling pre-processing step.

Change Detection Unsupervised Anomaly Detection

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