Coding architectures for automatic analysis of waveforms
A method includes receiving raw input signals, analyzing the raw signals using a trained coding architecture including an encoding layer; and displaying an output. A computing system includes a processor and a memory storing instructions that when executed by the processor, cause the computing system to receive raw input signals, analyzing the raw signals using a trained coding architecture and display an output. A non-transitory computer readable medium includes program instructions that when executed cause a computer to receive raw input signals, analyze the raw signals using a trained coding architecture and display an output.
1. A computer-implemented method for processing one or more raw input physiological signals corresponding to a patient, the method comprising:
receiving, via one or more processors, the raw input signals corresponding to a duration of time;
analyzing, via the one or more processors, the raw input signals using a trained coding architecture to generate a plurality of embedded features corresponding to a reduced dimensionality representation of the raw input signals;
wherein the trained coding architecture includes an encoder comprising one or more encoding layers; and
displaying, via a graphical user interface, an output for assisting clinical diagnosis and treatment corresponding to the embedded features corresponding to the reduced dimensionality representation of the raw input signals in an output device,
the output including a visualization of the embedded features having a plurality of sectors, each corresponding to a respective condition and each including a respective one or more feature markings organized by a clustering algorithm.
2. The computer-implemented method of claim 1 , wherein the raw input signals correspond to periodic waveforms.
3. The computer-implemented method of claim 1 , wherein analyzing the raw input signals using the trained coding architecture to generate the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals includes generating at least one of i) a set of one or more morphological features, or ii) a set of one or more time/phase features.
4. The computer-implemented method of claim 1 , further comprising:
analyzing the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a decoder comprising one or more decoding layers.
5. The computer-implemented method of claim 4 ,
wherein the encoder is a first encoder comprising a first one or more encoding layers that transform the raw input signals into phase features, and
wherein the trained coding architecture includes a second encoder comprising a second one or more encoding layers that transform the raw input signals into morphology features; and
further comprising:
transforming, via the decoder, the morphology features into single input period outputs corresponding to the raw input signals; and
reconstructing the raw input signals by convolving the phase features and one or more single input period beats.
6. The computer-implemented method of claim 4 , wherein the encoder is mapped by an aggregator to a set of embedded features; and
further comprising:
generating, via a distributor that maps the set of embedded features to the decoder, one or more sliding windows of an output signal, each corresponding to a respective sliding window of the raw input signals.
7. The computer-implemented method of claim 1 , further comprising:
analyzing the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a classifier to identify a disease or condition of the patient.
8. The computer-implemented method of claim 1 , further comprising:
analyzing the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals to identify a false alarm.
9. The computer-implemented method of claim 1 , further comprising:
analyzing other clinical or non-clinical information corresponding to the patient; and
analyzing the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a classification method.
10. The computer-implemented method of claim 1 ,
wherein analyzing the raw input signals using the trained coding architecture to generate the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals includes generating, via one or more processors, the reduced dimensionality representation by applying a t-Distributed Stochastic Neighbor Embedding (tSNE) algorithm, a Principal Component Analysis (PCA) algorithm or another dimensionality reduction algorithm to the embedded features; and
further comprising:
generating, via the one or more processors, the visualization of the embedded features.
11. A computing system comprising one or more processors; and one or more memories storing instructions that, when executed by the one or more processors, cause the computing system to:
receive, via one or more processors, raw input signals corresponding to a duration of time;
analyze, via the one or more processors, the raw input signals using a trained coding architecture to generate a plurality of embedded features corresponding to a reduced dimensionality representation of the raw input signals;
wherein the trained coding architecture includes an encoder comprising one or more encoding layers; and
display, via a graphical user interface, an output for assisting clinical diagnosis and treatment corresponding to the embedded features corresponding to the reduced dimensionality representation of the raw input signals in an output device
the output including a visualization of the embedded features having a plurality of sectors, each corresponding to a respective condition and each including a respective one or more feature markings organized by a clustering algorithm.
12. The computing system of claim 11 , wherein the raw input signals correspond to periodic waveforms.
13. The computing system of claim 11 , the one or more memories including further instructions that, when executed by the one or more processors, cause the computing system to:
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a decoder comprising one or more decoding layers.
14. The computing system of claim 11 , the one or more memories including further instructions that, when executed by the one or more processors, cause the computing system to:
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a classifier to identify a disease or condition of the patient.
15. The computing system of claim 11 , the one or more memories including further instructions that, when executed by the one or more processors, cause the computing system to:
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals to identify a false alarm.
16. A non-transitory computer readable medium containing program instructions that when executed, cause a computer to:
receive, via one or more processors, raw input signals corresponding to a duration of time;
analyze, via the one or more processors, the raw input signals using a trained coding architecture to generate a plurality of embedded features corresponding to a reduced dimensionality representation of the raw input signals;
wherein the trained coding architecture includes an encoder comprising one or more encoding layers; and
display, via a graphical user interface, an output for assisting clinical diagnosis and treatment corresponding to the embedded features corresponding to the reduced dimensionality representation of the raw input signals in an output device,
the output including a visualization of the embedded features having a plurality of sectors, each corresponding to a respective condition and each including a respective one or more feature markings organized by a clustering algorithm.
17. The non-transitory computer readable medium of claim 16 containing further program instructions that when executed, cause a computer to:
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a decoder comprising one or more decoding layers.
18. The non-transitory computer readable medium of claim 16 containing further program instructions that when executed, cause a computer to:
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a classifier to identify a disease or condition of the patient.
19. The non-transitory computer readable medium of claim 16 containing further program instructions that when executed, cause a computer to:
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals to identify a false alarm.
20. The non-transitory computer readable medium of claim 16 containing further program instructions that when executed, cause a computer to:
analyze clinical or non-clinical information corresponding to the patient; and
analyze the plurality of embedded features corresponding to the reduced dimensionality representation of the raw input signals using a classification model.