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Search Results - haotian+liu
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BASH-GN: A New Machine Learning–Derived Questionnaire for Screening Obstructive Sleep Apnea
BASH-GN is a machine learning-based questionnaire designed to classify the risk of obstructive sleep apnea (OSA) by considering various risk factor subtypes. Compared with other commonly used OSA screening tools, the BASH-GN questionnaire demonstrated superior performance, making it a more effective option for identifying at-risk individuals. This questionnaire...
Published: 9/23/2024
|
Inventor(s):
Ao Li
,
Jiayan Huo
,
Stuart Quan
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Software & Information Technology > Health IT
,
Technology Classifications > Life Sciences > Diagnostics
,
Technology Classifications > Healthcare Portfolios > Sleep Disorders
A Transformer-Based Diffusion Probabilistic Model for Vital Signs Forecasting
The model proposed in this technology, Transformer-based Diffusion Probabilistic Model for Sparse Time Series Forecasting (TDSTF), is a novel deep-learning algorithm that can be used for vital signs forecasting, data synthesis, simulation, and digital twins. Trained and tested on data from over 46,000 patients, the TDSTF technology merges transformer...
Published: 8/23/2024
|
Inventor(s):
Ao Li
,
Ping Chang
,
Huayu Li
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Software & Information Technology > Health IT
,
Technology Classifications > Software & Information Technology > Web & Internet
MTS-LOF: Medical Time-Series Representation Learning via Occlusion-Invariant Features
Medical Time Series Representation Learning, known as MTS-LOF, uses the strengths of contrastive learning and Masked Autoencoder (MAE) methods, providing more sophisticated, context-rich representations, while also clarifying the interplay between temporal and structural dependencies in healthcare data. MTS-LOF is ideal for integration into numerous...
Published: 8/23/2024
|
Inventor(s):
Ao Li
,
Huayu Li
,
Ana Carreon-Rascon
Keywords(s):
Category(s):
Technology Classifications > Software & Information Technology > Web & Internet
,
Technology Classifications > Software & Information Technology > Health IT
DeScoD-ECG: Deep Score-Based Diffusion Model for ECG Baseline Wander and Noise Removal
The DeScoD-ECG model is a novel electrocardiogram (ECG) baseline wander and noise removal technology that extends the current diffusion model for reconstructing electrocardiogram signals. It establishes a new benchmark in biomedical signal processing to provide a more accurate approximation of ECG signals for detection of cardiovascular irregularities....
Published: 8/23/2024
|
Inventor(s):
Ao Li
,
Huayu Li
,
Gregory Ditzler
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Software & Information Technology > Communications & Networking
,
Technology Classifications > Software & Information Technology > Open Source
,
Technology Classifications > Healthcare Portfolios > Heart and Vascular
,
Technology Classifications > Life Sciences > Diagnostics
DNA Methylation Barriers
In normal differentiated cells, most of the genome is densely methylated, except CpG islands near promoters of actively transcribed genes. Maintaining this boundary between unmethylated promoter-associated and adjacent methylated regions is crucial as loss of segregation can lead to disease. Unfortunately, it is not clear where these boundaries are,...
Published: 6/5/2024
|
Inventor(s):
Li Liu
,
Jingmin Shu
Keywords(s):
Category(s):
Applied Technologies
,
Genomic Assays/Reagents/Tools
,
Life Science (All LS Techs)
,
Diagnostic Assays/Devices
Deep Learning Algorithm for Detection of Cortical Arousal During Sleep
This invention is an end-to-end deep learning algorithm to detect cortical arousals during sleep using a one-night single lead electrocardiogram (ECG) signal. It is used to accurately detect arousal in home sleep tests, by reducing the false negative rate. The model combines both convolutional neural networks (CNN) and recurrent neural networks (RNN). Background: Sleep...
Published: 10/8/2024
|
Inventor(s):
Ao Li
,
Siteng Chen
,
Stuart Quan
,
Linda Powers
,
Janet Roveda
Keywords(s):
Category(s):
Technology Classifications > Healthcare Portfolios > Sleep Disorders
,
Technology Classifications > Software & Information Technology > Health IT
Non-Noble Metal Catalysts for Effective Electrochemical Acidic Oxygen Evolution (Case No. 2024-114)
Summary: UCLA researchers in the Department of Materials Science and Engineering have developed a novel catalytic material that improves the oxygen evolution reaction for clean hydrogen production. Background: Hydrogen is a promising green alternative to lessen reliance on non-renewable, polluting fuel sources. Current hydrogen production is mainly...
Published: 5/16/2024
|
Inventor(s):
Yu Huang
,
Haotian Liu
Keywords(s):
acidic water splitting
,
anode material
,
green energy
,
hydrogen evolution reaction
,
hydrogen production
,
mass stability
,
overpotential
,
oxygen evolution reaction
,
proton exchange water membrane electrolyzer (PEMWE)
,
Renewable energy sources
,
spinel oxide
,
water splitting
Category(s):
Energy & Environment
,
Energy & Environment > Energy Generation
,
Energy & Environment > Energy Storage
,
Chemical
,
Chemical > Catalysts
Self-Assembly Method for Designing Lattices for Metamaterials
The ability to create nano- and meso-scopic structures with precise geometry is of immense interest and value in nanotechnology. Self-assembly with building blocks that encode the details of the structure is highly promising, but difficult to realize because of kinetic traps and unwanted byproducts. Although possible, it often requires painstaking trial-and-error...
Published: 1/9/2024
|
Inventor(s):
Petr Sulc
,
Michael Matthies
,
Flavio Romano
,
John Russo
,
Hao Liu
Keywords(s):
Category(s):
Advanced Materials/Nanotechnology
,
Applied Technologies
,
Bioanalytical Assays, Chemistries & Devices
,
Biomaterials
,
Imaging
,
Life Science (All LS Techs)
Dynamic Memory Management on Graphics Processing Units (GPUs)
Advantages: Optimizes GPUs, reducing memory bottlenecks for efficient parallel computation. Reduces delays, speeding up data-intensive tasks for enhanced responsiveness. Outperforms rivals by up to a hundredfold, delivering remarkable application enhancements. Summary: This technology transforms massively parallel systems, like GPUs, by...
Published: 4/16/2024
|
Inventor(s):
Yicheng Tu
,
Minh Pham
,
Hao Li
Keywords(s):
Computer Science
,
Computers Software and Information Technology
Category(s):
Technology Classifications > Computer Science > Computers Software & Information Technology
,
Technology Classifications > Computer Science > Algorithms
,
Technology Classifications > Engineering > Computer Engineering
Virtual Reality Neuropsychological Assessment (VRNA) System
This technology is a computerized neuropsychological assessment system to rapidly measure cognitive and behavioral abilities and impairments. This system operates by extracting multiple, simultaneous performance metrics while the patient is in a virtual reality (VR) game-like scenario. As the patient is playing this challenging VR video game, the VRNA...
Published: 8/9/2023
|
Inventor(s):
William Killgore
,
Janet Roveda
,
Jerzy Rozenblit
,
Ao Li
,
Huayu Li
Keywords(s):
Category(s):
Technology Classifications > Healthcare Portfolios > Physical Medicine & Rehabilitation
,
Technology Classifications > Medical Devices > Diagnostic
,
Technology Classifications > Software & Information Technology > Health IT
,
Technology Classifications > Software & Information Technology > Mobile Application
,
Technology Classifications > Software & Information Technology > Bioinformatics
,
Technology Classifications > Software & Information Technology
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