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Xue Liu's Projects

rlkit icon rlkit

Collection of reinforcement learning algorithms

ross icon ross

ROSS is a library written in Python for rotordynamic analysis.

s3prl icon s3prl

Self-Supervised Speech Pre-training and Representation Learning Toolkit.

s4torch icon s4torch

PyTorch implementation of Structured State Space for Sequence Modeling (S4), based on Annotated S4.

sac-her icon sac-her

Implementation of Soft Actor-Critic with Hindsight Experience Replay

sac-lagrangian icon sac-lagrangian

PyTorch implementation of Constrained Reinforcement Learning for Soft Actor Critic Algorithm

sac-qmix icon sac-qmix

Algorithm that combines QMIX with SAC for Multi-Agent Reinforcement Learning.

sac_discrete icon sac_discrete

PyTorch implementation of the discrete Soft-Actor-Critic algorithm.

safety-starter-agents icon safety-starter-agents

Basic constrained RL agents used in experiments for the "Benchmarking Safe Exploration in Deep Reinforcement Learning" paper.

skab icon skab

SKAB - Skoltech Anomaly Benchmark. Time-series data for evaluating Anomaly Detection algorithms.

snopt icon snopt

Second-Order Neural ODE Optimizer, NeurIPS 2021 spotlight

snr icon snr

Style Normalization and Restitution for Domain Generalization and Adaptation

soft-actor-critic icon soft-actor-critic

Modified versions of the SAC algorithm from spinningup for discrete action spaces and image observations.

sonode icon sonode

Experiments from the paper "On Second Order Behaviour in Augmented Neural ODEs"

speech_signal_processing_and_classification icon speech_signal_processing_and_classification

Front-end speech processing aims at extracting proper features from short- term segments of a speech utterance, known as frames. It is a pre-requisite step toward any pattern recognition problem employing speech or audio (e.g., music). Here, we are interesting in voice disorder classification. That is, to develop two-class classifiers, which can discriminate between utterances of a subject suffering from say vocal fold paralysis and utterances of a healthy subject.The mathematical modeling of the speech production system in humans suggests that an all-pole system function is justified [1-3]. As a consequence, linear prediction coefficients (LPCs) constitute a first choice for modeling the magnitute of the short-term spectrum of speech. LPC-derived cepstral coefficients are guaranteed to discriminate between the system (e.g., vocal tract) contribution and that of the excitation. Taking into account the characteristics of the human ear, the mel-frequency cepstral coefficients (MFCCs) emerged as descriptive features of the speech spectral envelope. Similarly to MFCCs, the perceptual linear prediction coefficients (PLPs) could also be derived. The aforementioned sort of speaking tradi- tional features will be tested against agnostic-features extracted by convolu- tive neural networks (CNNs) (e.g., auto-encoders) [4]. The pattern recognition step will be based on Gaussian Mixture Model based classifiers,K-nearest neighbor classifiers, Bayes classifiers, as well as Deep Neural Networks. The Massachussets Eye and Ear Infirmary Dataset (MEEI-Dataset) [5] will be exploited. At the application level, a library for feature extraction and classification in Python will be developed. Credible publicly available resources will be 1used toward achieving our goal, such as KALDI. Comparisons will be made against [6-8].

ssr icon ssr

(NeurIPS 2021) Pytorch implementation of paper "Re-ranking for image retrieval and transductive few-shot classification"

swin-transformer icon swin-transformer

This is an official implementation for "Swin Transformer: Hierarchical Vision Transformer using Shifted Windows".

tent icon tent

ICLR21 Tent: Fully Test-Time Adaptation by Entropy Minimization

tf2multiagentrl icon tf2multiagentrl

Clean implementation of Multi-Agent Reinforcement Learning methods (MADDPG, MATD3, MASAC, MAD4PG) in TensorFlow 2.x

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