Signal Conditions
No Speed Jitter
What is No Speed Jitter?
No Speed Jitter condition checks the minimum frame rate during the scan exceeds a predefined lowest acceptable threshold. A stable frame rate is crucial for capturing subtle physiological changes.
How to retrieve No Speed Jitter from Vitals™ SDK?
ItemItem | DescriptionDescription |
|---|---|
| Supported by Server Version(s) | NyanCat (V1 Backend)CrimsonLion (V2 Backend) |
| User Info Required | No extra data is required. |
| Vitals™ SDK API | NyanCat (V1 Backend) Please use the healthResult.health.scanParameters.conditions[2] variable provided by the callback function onVideoFrameProcessed. CrimsonLion (V2 Backend) Please use the healthResult.health.scanParameters.signalConditions.noSpeedJitter variable provided by the callback function onVideoFrameProcessed. |
| API Reference | Health, ScanParameters |
Unit of Measurement: N/A
Range
ValueValue | InterpretationInterpretation | SuggestionsSuggestions |
|---|---|---|
| True | Normal | - |
| False | Poor | Please try taking the scan on a higher-performing device or try again later. 請使用另一部性能較佳的裝置進行掃描。 |
Good Average Speed
What is Good Average Speed?
Good Average Speed condition checks the average frame rate during the scan. A sufficient average frame rate ensures adequate data capture for reliable measurements.
How to retrieve Good Average Speed from Vitals™ SDK?
ItemItem | DescriptionDescription |
|---|---|
| Supported by Server Version(s) | NyanCat (V1 Backend)CrimsonLion (V2 Backend) |
| User Info Required | No extra data is required. |
| Vitals™ SDK API | NyanCat (V1 Backend) Please use the healthResult.health.scanParameters.conditions[3] variable provided by the callback function onVideoFrameProcessed. CrimsonLion (V2 Backend) Please use the healthResult.health.scanParameters.signalConditions.goodAverageSpeed variable provided by the callback function onVideoFrameProcessed. |
| API Reference | Health, ScanParameters |
Unit of Measurement: N/A
Range
ValueValue | InterpretationInterpretation | SuggestionsSuggestions |
|---|---|---|
| True | Normal | - |
| False | Poor | Please try taking the scan on a higher-performing device or try again later. 請使用另一部性能較佳的裝置進行掃描。 |
Good Signal-to-Noise Ratio (SNR)
What is Good Signal-to-Noise Ratio (SNR)?
Good Signal-to-Noise Ratio (SNR) condition checks the signal-to-noise ratio (SNR). A good SNR indicates a strong signal relative to background noise.
How to retrieve Good Signal-to-Noise Ratio (SNR) from Vitals™ SDK?
ItemItem | DescriptionDescription |
|---|---|
| Supported by Server Version(s) | NyanCat (V1 Backend)CrimsonLion (V2 Backend) |
| User Info Required | No extra data is required. |
| Vitals™ SDK API | NyanCat (V1 Backend) Please use the healthResult.health.scanParameters.conditions[1] variable provided by the callback function onVideoFrameProcessed. CrimsonLion (V2 Backend) Please use the healthResult.health.scanParameters.signalConditions.goodSnr variable provided by the callback function onVideoFrameProcessed. |
| API Reference | Health, ScanParameters |
Unit of Measurement: N/A
Range
ValueValue | InterpretationInterpretation | SuggestionsSuggestions |
|---|---|---|
| True | Normal | - |
| False | Poor | Please take a still and steady scan at an optimal distance in a well-lit environment. 請在光線充足的環境下，保持最佳距離進行掃描。 |
Signal Steadiness
What is Signal Steadiness?
Signal Steadiness condition checks the RGB fluctuation is within an acceptable range. Stable RGB values indicate a consistent and reliable signal, less affected by environmental variations.
How to retrieve Signal Steadiness from Vitals™ SDK?
ItemItem | DescriptionDescription |
|---|---|
| Supported by Server Version(s) | NyanCat (V1 Backend)CrimsonLion (V2 Backend) |
| User Info Required | No extra data is required. |
| Vitals™ SDK API | NyanCat (V1 Backend) Please use the healthResult.health.scanParameters.conditions[4] variable provided by the callback function onVideoFrameProcessed. CrimsonLion (V2 Backend) Please use the healthResult.health.scanParameters.signalConditions.signalSteadiness variable provided by the callback function onVideoFrameProcessed. |
| API Reference | Health, ScanParameters |
Unit of Measurement: N/A
Range
ValueValue | InterpretationInterpretation | SuggestionsSuggestions |
|---|---|---|
| True | Normal | - |
| False | Poor | Please take a still and steady scan at an optimal distance in a well-lit environment. 請在光線充足的環境下，保持最佳距離進行掃描。 |
Heart Rate (HR) Steadiness
What is Heart Rate (HR) Steadiness?
Heart Rate (HR) Steadiness condition monitors fluctuations in heart rate during the scan. Variations in heart rate may result from movement during the scan or inherent variability in your heart rate for various reasons. Please rest for 5 minutes to relax before scanning, and remain still during the procedure.
How to retrieve Heart Rate (HR) Steadiness from Vitals™ SDK?
ItemItem | DescriptionDescription |
|---|---|
| Supported by Server Version(s) | NyanCat (V1 Backend)CrimsonLion (V2 Backend) |
| User Info Required | No extra data is required. |
| Vitals™ SDK API | NyanCat (V1 Backend) Please use the healthResult.health.scanParameters.conditions[0] variable provided by the callback function onVideoFrameProcessed. CrimsonLion (V2 Backend) Please use the healthResult.health.scanParameters.signalConditions.hrSteadiness variable provided by the callback function onVideoFrameProcessed. |
| API Reference | Health, ScanParameters |
Unit of Measurement: N/A
Range
ValueValue | InterpretationInterpretation | SuggestionsSuggestions |
|---|---|---|
| True | Normal | - |
| False | Poor | Please remain calm and at rest when you take the scan. 請冷靜下來，保持平靜心情再開始掃描。 |
Respiratory Rate (RR) Steadiness
What is Respiratory Rate (RR) Steadiness?
Respiratory Rate (RR) Steadiness condition evaluates fluctuations in your breathing rate during the scan. Variations may occur due to movement or other factors affecting your breathing. To ensure accurate measurements, please take a moment to relax for 5 minutes before the scan and maintain a steady position throughout the procedure.
How to retrieve Respiratory Rate (RR) Steadiness from Vitals™ SDK?
ItemItem | DescriptionDescription |
|---|---|
| Supported by Server Version(s) | CrimsonLion (V2 Backend) |
| User Info Required | No extra data is required. |
| Vitals™ SDK API | Please use the healthResult.health.scanParameters.signalConditions.rrSteadiness variable provided by the callback function onVideoFrameProcessed. |
| API Reference | Health, ScanParameters |
Unit of Measurement: N/A
Range
ValueValue | InterpretationInterpretation | SuggestionsSuggestions |
|---|---|---|
| True | Normal | - |
| False | Poor | Please remain calm and at rest when you take the scan. 請冷靜下來，保持平靜心情再開始掃描。 |