This is our latest selection of worldwide publications and patents in english on Signal Processing, between many scientific online journals, classified and focused on signal processing, quantization, denoising, digital signal, analog signal and convolution.
Cognitive Cardiac Assessment Using Low-Cost Electrocardiogram Acquisition System
Published on 2025-06-18 by Milan Milivojevi?, Ana Gavrovska @MDPI
Abstract: Information and communication technologies are revolutionizing cardiac monitoring. Particularly, different Internet of Things (IoT) devices are gaining popularity, although basic cognitive tools that rely on electrocardiograms (ECGs) are still uncommon. Here, an ECG acquisition system for cognitive load analysis has been developed based on an Arduino-based, low-cost device for signal processing, recording, analysis, and classification. The system used network components such a cloud server for s[...]
Our summary: Revolutionizing cardiac monitoring with a low-cost ECG system for cognitive load analysis using IoT devices. High accuracy cognitive load assessment based on ECG signals with a new classification model. Utilizes network components like a cloud server for signal processing and storage.
Cognitive Cardiac Assessment, Low-Cost Electrocardiogram Acquisition System, Internet of Things (IoT), Signal Processing
Publication
Distributed displacement sensing phase demodulation method and apparatus, and device
Patent published on the 2025-06-12 in WO under Ref WO2025118713 by BGP INC CHINA NAT PETROLEUM CORPORATION [CN] (Li Yanpeng [cn], Zhang Shaohua [cn])
Abstract: A distributed displacement sensing phase demodulation method, comprising: determining an IQ demodulation initial phase and an IQ signal amplitude on the basis of an IQ signal (S101); performing a phase decoupling operation on the IQ demodulation initial phase, and sequentially subtracting from the IQ demodulation initial phase an initial phase of an optical fiber sensing signal sensing position, an initial phase of a laser pulse source and an accumulated phase along paths in a transmission proce[...]
Our summary: Distributed displacement sensing phase demodulation method, including determining IQ demodulation initial phase and signal amplitude, performing phase decoupling operation, unwinding processing, calculating displacement sensing data, eliminating coherent fading noise, and transposing data for final phase-demodulated displacement sensing data.
phase demodulation, displacement sensing, coherent fading, IQ demodulation
Patent
Method and electronic device for generating content using a diffusion model
Patent published on the 2025-03-06 in WO under Ref WO2025048358 by SAMSUNG ELECTRONICS CO LTD [KR] (Keserwani Prateek [in], Moharana Sukumar [in], Senapati Alladi Ashok Kumar [in], Ummanath Sajith [in], Ali Azhan [in], Mala Venkappa [in])
Abstract: A method for generating content using a diffusion model of an electronic device, may include: obtaining latent vectors of an input content; inputting the latent vectors into a first lightweight adapter configured for the first application type from among a plurality of lightweight adapters configured individually for application types of the plurality of applications; transforming the latent vectors of the input content into a plurality of intermediate latent vectors using the first lightweight [...]
Our summary: Method for generating content using a diffusion model of an electronic device, including obtaining latent vectors, transforming vectors with lightweight adapter, denoising operation, and generating final content.
diffusion model, electronic device, content generation, latent vectors
Patent
isogeometric analysis with versatile adaptivity
Patent published on the 2025-03-06 in WO under Ref WO2025049273 by NORTHWESTERN UNIV [US] (Liu Wing [us], Mojumder Satyajit [us], Li Hengyang [us], Li Yangfan [us], Park Chanwook [us], Saha Sourav [us], Guo Jiachen [us])
Abstract: A method of Convolution-Hierarchical Deep-learning Neural Network isogeometric Analysis (C-IGA) of a geometric shape of a subject matter comprises performing a first mapping process between a physical domain of a subject matter and a parametric domain of the subject matter; and performing a second mapping process between the parametric domain of the subject matter and a parent domain of the subject matter; wherein the first mapping process comprises constructing an C-IGA interpolation in the par[...]
Our summary: Method of isogeometric analysis with versatile adaptivity using Convolution-Hierarchical Deep-learning Neural Network for mapping physical, parametric, and parent domains of a subject matter based on CAD data.
isogeometric analysis, adaptivity, Convolution-Hierarchical Deep-learning Neural Network, C-IGA
Patent
Method, computer device, and computer program for network quantization using element-wise division-based rounding
Patent published on the 2025-03-06 in WO under Ref WO2025048024 by NAVER CLOUD CORP [KR] (Lee Jung Hyun [kr], Kim Jeonghoon [kr], Kwon Se Jung [kr], Lee Dongsoo [kr])
Abstract: Disclosed are a method, a computer device, and a computer program for network quantization using element-wise division-based rounding. The method for network quantization may comprise a step of performing, by at least one processor, quantization by applying a learnable parameter to a pre-learned weight of a neural network, wherein the step of performing quantization may quantize the pre-learned weight by means of an element-wise division-based rounding function using the parameter.[...]
Our summary: Method, computer device, and computer program for network quantization using element-wise division-based rounding.
network quantization, element-wise division, rounding, computer program
Patent
Systems, methods, and media for indicating the likelihood of an adverse outcome based on medical data
Patent published on the 2025-03-06 in WO under Ref WO2025049950 by MEDNISCIENT AL INC [US] (Overtchouk Pavel [fr])
Abstract: Mechanisms, including systems, methods, and media, for indicating an expected outcome of a procedure are provided, the mechanisms including: receiving medical data; processing the medical data to provide processed data; evaluating the processed data using a first machine learning algorithm using a hardware processor; generating the expected outcome of the procedure based on the evaluating the processed data; and causing the expected outcome to be presented to a user. In some embodiments, the med[...]
Our summary: Systems, methods, and media for indicating likelihood of adverse outcome based on medical data, mechanisms for indicating expected outcome of a procedure, processing medical data to provide processed data, evaluating data using machine learning algorithms.
machine learning algorithm, medical data, adverse outcome, deep convolutional neural network
Patent
Single-microphone acoustic echo and noise suppression
Patent published on the 2025-03-06 in WO under Ref WO2025049626 by SYNAPTICS INCORPORATED [US] (Mosayyebpour Kaskari Saeed [us], Pouya Atabak [us], Qiu Hong [us])
Abstract: This disclosure provides methods, devices, and systems for audio signal processing. The present implementations more specifically relate to speech enhancement techniques for separating microphone signals into speech, echo, and noise signals. In some aspects, a speech enhancement system may include a delay estimator and an acoustic echo and noise (AEN) decoupling filter. The delay estimator receives a microphone signal via a microphone and a far-end audio signal for output via a speaker and estim[...]
Our summary: Methods for separating microphone signals into speech, echo, and noise signals using delay estimation and acoustic echo and noise decoupling filter.
acoustic echo suppression, noise suppression, speech enhancement, audio signal processing
Patent
