Abstract: Method for reconstructing ECG signals through imaging for arrhythmia detection and its detection system, wherein the method for reconstructing ECG signals through imaging for arrhythmia detection involves receiving images of the human skin, which contain color changes on the skin surface caused by heartbeats and heart rhythms. The method comprises performing noise reduction on these color changes and analyzing the color variations to extract a remote photoplethysmographic (rPPG) signal that corresponds to the heart rates and heart rhythms. Frequency domain analysis is conducted to identify the frequency features within the rPPG signal, and feature extraction is performed on these frequency characteristics to obtain a photoplethysmographic (PPG) signal. The PPG signal undergoes feature extraction to derive time domain features and frequency domain features, which are then fused to output a reconstructed ECG signal.

Abstract: A wearable cardiac ultrasound patch, a cardiovascular disease identification system, and method thereof integrate a silicon photonic integrated circuit layer with a microelectromechanical integrated circuit layer into an optical fiber micro-sensor, which is encapsulated with a computing chip as a single unit. This allows the examinee to perform cardiac ultrasound detection and processing in a wearable and convenient manner, free from time or geographic constraints. The silicon photonic elements in the silicon photonic integrated circuit layer and the piezoelectric elements in the microelectromechanical integrated circuit layer are stacked and arranged in a two-dimensional array, enabling the wearable cardiac ultrasound patch to scan at more angles. Furthermore, the cardiovascular disease identification system of the present invention can process the examinee's cardiac ultrasound signals, electrocardiography (ECG) signals, and phonocardiography (PCG) signals.

Abstract: A wearable cardiac ultrasound patch, a cardiovascular disease identification system, and method thereof integrate a silicon photonic integrated circuit layer with a microelectromechanical integrated circuit layer into an optical fiber micro-sensor, which is encapsulated with a computing chip as a single unit. This allows the examinee to perform cardiac ultrasound detection and processing in a wearable and convenient manner, free from time or geographic constraints. The silicon photonic elements in the silicon photonic integrated circuit layer and the piezoelectric elements in the microelectromechanical integrated circuit layer are stacked and arranged in a two-dimensional array, enabling the wearable cardiac ultrasound patch to scan at more angles. Furthermore, the cardiovascular disease identification system of the present invention can process the examinee's cardiac ultrasound signals, electrocardiography (ECG) signals, and phonocardiography (PCG) signals.

Abstract: Method for reconstructing ECG signals through imaging for arrhythmia detection and its detection system, wherein the method for reconstructing ECG signals through imaging for arrhythmia detection involves receiving images of the human skin, which contain color changes on the skin surface caused by heartbeats and heart rhythms. The method comprises performing noise reduction on these color changes and analyzing the color variations to extract a remote photoplethysmographic (rPPG) signal that corresponds to the heart rates and heart rhythms. Frequency domain analysis is conducted to identify the frequency features within the rPPG signal, and feature extraction is performed on these frequency characteristics to obtain a photoplethysmographic (PPG) signal. The PPG signal undergoes feature extraction to derive time domain features and frequency domain features, which are then fused to output a reconstructed ECG signal.

Abstract: In a microrunner structure, there are provided with components for a cleaning procedure required to conduct electrochemical sensing when a biosensor is activated for sensing; and a urine signal detection device that is a SoC (System on a Chip), which has a wireless transceiving circuit for receiving a urine measurement method and channel information transmitted from an intelligent device, and in turn, outputting a stimulus signal to trigger a biosensor or a non-biosensor in a multi-channel structure to conduct urine sense processing for a sensing area, as well as transmitting detection processing for a concentration of urine substances from the electrochemical sensing to the intelligent device through the wireless transceiving circuit to assess a risk index between a heart disease or diabetes and a kidney disease.

Abstract: In a microrunner structure, there are provided with components for a cleaning procedure required to conduct electrochemical sensing when a biosensor is activated for sensing; and a urine signal detection device that is a SoC (System on a Chip), which has a wireless transceiving circuit for receiving a urine measurement method and channel information transmitted from an intelligent device, and in turn, outputting a stimulus signal to trigger a biosensor or a non-biosensor in a multi-channel structure to conduct urine sense processing for a sensing area, as well as transmitting detection processing for a concentration of urine substances from the electrochemical sensing to the intelligent device through the wireless transceiving circuit to assess a risk index between a heart disease or diabetes and a kidney disease.

Abstract: The invention provides a signal synchronization device, which obtains electrocardiographic, heart sound signal calibration factors by performing time domain and frequency domain transformations for an electrocardiographic signal and a heart sound signal, and thereby performs calibration for the electrocardiographic signal and the heart sound signal to synchronize the electrocardiographic signal and the heart sound signal in time domain, such that a diagnosis rate for cardiovascular disease is increased. Moreover, the invention further provides a stethoscope with signal synchronization processing, an auscultation information output system and a symptom diagnosis system capable of signal synchronization.

Abstract: The invention provides a signal synchronization device, which obtains electrocardiographic, heart sound signal calibration factors by performing time domain and frequency domain transformations for an electrocardiographic signal and a heart sound signal, and thereby performs calibration for the electrocardiographic signal and the heart sound signal to synchronize the electrocardiographic signal and the heart sound signal in time domain, such that a diagnosis rate for cardiovascular disease is increased. Moreover, the invention further provides a stethoscope with signal synchronization processing, an auscultation information output system and a symptom diagnosis system capable of signal synchronization.

Abstract: The present disclosure relates to devices and methods for sensing ACVG. In one example, the device comprises an ACVG sensor for sensing signals of heart beat and arterial pulse in a predetermined period. The ACVG sensor transforms the signals to electrical output. The analog-to-digital converter receives the electrical output and converts the electrical output into digital signals. The present disclosure further relates to methods of determining physiological conditions. In one example, the method comprises receiving an ACVG, providing a waveform data by processing the ACVG, extracting at least one data point from a predetermined time interval of the waveform data, obtaining indicators based on the at least one data point, and determining a physiological condition according to the indicator.