Engine Production 전체 배포 이력

1.4.4

Bug fixes
- Fixed the HRV analysis error occurring after v1.4.3.

28 Aug 2025

1.4.3

Bug fixes
- Adjusted the layout of the top 5 indicators of brain in the health checkup PDF report to prevent it exceeds the range of page.
- Updated the PDF download manager by removing the subscription loop for serving messages of PDF creation.
  - This loop has caused the bug that the PDF download functionality doesn’t work after from a specific point in time.
Enhancements
- Added the script for downloading data on the remote storage.

28 Aug 2025

1.4.2

Bug fixes
- Corrected the wrong translated Romanian texts.
- Added the Thai text contents for all diagnosis report services.

13 Aug 2025

1.4.1

Bug fixes
- Fixed the bug that PDF download with dynamic creation doesn’t work rarely by applying re-connection logic to broadcast.
- The error on the EEG summary report result API when the only one individual analysis has succeeded was fixed.

06 Aug 2025

1.4.0

New features
- Added the WebSocket and APIs for creating PDF reports by language.
Enhancements
- Updated Romanian contents including texts, images and PDF reports for all report services.
- Removed the words ‘pts’ from the Health Checkup report, and inserted the annotation for notifying that it’s T-score instead.
- Updated the pre-processing of EEG individual analysis to prune the brainwave signal after bandpass filter.

23 Jul 2025

1.3.2

Bug fixes
- Corrected the wrong constant in the MCI screening step 1 final scoring logic.

04 Jul 2025

1.3.1

New features
- Started to Spanish images and PDF report during each analysis.

11 Jun 2025

1.3.0

Removals
- The functionality for saving abnormal ROI list to the database for 3D norm-comparison has been removed.
New features
- Added follow-up analysis generating various report such as following:
  - Top 5 indicators of brain
  - Brain connectivity
- Added the follow-up result and static content API.
- Updated to insert the auto nervous system balance information to the database for multi-language project.
  - Added the temporary API for migration of HRV auto nervous system information.
- Added the API to provide static text contents of all analysis reports by language.
  - Spanish/Portuguese/Romanian/Vietnamese/Thai contents are updated.
Enhancements
- Changed the title of EEG summary report, and measured time is removed.
Bug fixes
- Updated EEG speed of health checkup to prevent getting excessively scores.
- Updated to continue analyzing terminated analysis by Lambda time-out.
- Updated the system to include the signal type when calling back to the API server.

27 May 2025

1.2.4

Enhancements
- Updated EEG stress model to re-scale the score to 5-95.
- Added a configuration to print additional information for hardware testing on the EEG raw data image.
  - This is only used for hardware testing and not for production.
- Added a configuration to perform additional filtering to HRV signal.
  - This configuration is currently disabled on production.
Bug fixes
- Updated all analysis to make sure database transaction is closed.
- Re-scaled the color bar of 3D image in EEG summary report to fit 1SD.
- The wrong texts in the brain connectivity of health checkup report.
  - ‘low’ -> ‘normal’

16 Apr 2025

1.2.3

Bug fixes
- Corrected the unmatched labels on contour graph of EEG summary report.
- Replaced the word ‘aging’ to ‘function’ in EEG summary report.
- Corrected the words for status in top 5 indicators of brain function.

09 Apr 2025

1.2.2

Improvements
- Updated the EEG speed feature of health checkup report to get the result always.
  - If no peak detection was found during individual analysis, find the peak detection with new algorithm.

27 Mar 2025

1.2.1

Bug fixes
- Adjusted the indentation in the MCI screening PDF report.
- Fixed the issue that the status of additional norm comparison analysis doesn’t change when the norm comparison analysis is failed by dependency.

26 Mar 2025

1.2.0

New features
- Added the API to get the list of abnormal ROI list in norm comparison.
  - This API will replace the existing abnormal ROI information for norm comparison 3D data in database.
  - In-memory caching is applied to reduce the response latency.
Enhancements
- Improved the performance of the automatic ICA by multiprocessing.
- Integrated all ML models including Torch, tensorflow and scikit-learn by ONNX.
  - The scripts for convertion are added too.
- Upgraded the version of Python to 3.12, along with its packages.
- Updated the system to communicate between the engine server and Lambda through StepFunctions and SQS.
  - The engine server invokes Lambda function through State Machine asynchronously.
  - Lambda notifies the engine server its status, including its progress, via SQS.
- Updated the health checkup PDF report in english.
Bug fixes
- Removed unnecessary text contents in MCI screening PDF report.
- Modified EEG individual analysis to enable or disable signal quality check and restoration based on the DB flag.

25 Mar 2025

1.1.12

Enhancements
- Updated health checkup PDF report to include the score ranges of each MCI stage.

12 Feb 2025

1.1.11

Enhancements
- Update the conditions for the vertical brain interconnectivity comments.
- Some of EEG sensitivity models(sadness, tension and stress) are upgraded.
- Added PPG re-scaling logic for hardware verification.
  - This is currently enabled only on the dev/stage environment, and planned to be enabled to the production environment too after verification.

22 Jan 2025

1.1.10

Bug fixes
- Fixed the bug that the measurement time on PDF report is not adjusted as a language.

13 Jan 2025

1.1.9

Bug fixes
- Various bugs are fixed since engine renewal.
  - Corrected mis-matched axis labels on contour graph in the EEG summary report.

19 Dec 2024

1.1.8

Bug fixes
- Various bugs are fixed since engine renewal.
  - Corrected wrong text for acquisition date on the title of all PDF report.
  - Updated the HRV summary report to generate PDF based on the report type.

18 Dec 2024

1.1.7

Bug fixes
- Various bugs are fixed since engine renewal.
  - Updated to insert correct error message when an analysis is failed.
  - Fixed a bug that an axes is bias to left on HRV deterend time-series image.
  - Correct HRV RR time-series image to include full signal.
  - Modified to update the ‘status_update_date’ column too when an analysis status is updated.
  - Correct the wrong calculated time-series data before time-rejection.
  - Fix a type error on the validator of MCI screening update schema.

10 Dec 2024

1.1.6

Bug fixes
- Various bugs are fixed since engine renewal.
  - Topomap with wrong color scale during automatic ICA is fixed.

03 Dec 2024

1.1.5

Bug fixes
- Various bugs are fixed since engine renewal.
  - Added missed Y axis label on aging curve graphs in EEG summary-report for youth.
  - Fixed wrong ROI names in EEG summary report ROI scores.
  - Fixed ROI and Lobe scores in EEG summary report to be rounded.
  - Corrected wrong color scale in EEG norm-comparison 3D files.
  - Make each analysis service to be able to ensure to return database session when it’s finished.
  - The previously missed post-processing step has been applied to the individual EEG analysis.

14 Nov 2024

1.1.4

Refactor
- Applied renewed engine server based on FastAPI and SQLAlchemy.

07 Nov 2024

1.1.3

Buf fixes
- Updated to perform MCI screening in the health checkup analysis when a subject is adult.
Enhancements
- Updated the text contents of the brain connectivity in the health checkup PDF report.

28 Aug 2024

1.1.2

Enhancements
- Updated health checkup analysis to add registration number and name anonymization for GC.
- Applied some margin to the top of GC health checkup PDF report.
Bug fixes
- Some incorrect texts in health checkup PDF report are fixed.
- Changed the color of dominant frequency to red if its score is less than lower threshold.
- Updated the age of subject in the health checkup PDF report to show as an integer.
- Hid overflow contents to prevent unexpected blank pages.

20 Aug 2024

1.1.1

Enhancements
- Updated health checkup analysis due to product plan is changed.
Bug fixes
- Wrong colored things on health checkup analysis are corrected.
- Updated brain connectivity image to change the position of scores according to its number of digits.
- Wrong number on the brain mapping page of health checkup PDF report is corrected.

22 Jul 2024

1.1.0

New features
- Added health checkup analysis.
  - New features(brain major features and brain connectivity) are added.
  - Visualization modules of them are updated.
  - PDF generation.
Enhancements
- Updated python version to 3.9, and as a result, some packages and associated code have been modified.
- Rejected time intervals are added to individual result table.
- Added submodule ‘biosignals_analyzer’, which will replace most of the analysis logic.
- Z-scores are added on norm comparison contents table.
Bug fixes
- Updated the engine server to continue the analysis suspended by Lambda ReadTimeoutError.

01 Jul 2024

1.0.33

Bug fixes
- The bug that contour image of korean language have been included to japanese PDF report is fixed.

20 May 2024

1.0.32

Bug fixes
- If restoration attempt exceeds 3, continue the remaining analysis process with the restored signal.

08 Apr 2024

1.0.31

Bug fixes
- Maximum read time-out of Lambda is increased to 900 seconds to prevent time-out errors by signal restoration is applied.

05 Apr 2024

1.0.30

Enhancements
- Updated signal quality logic according to request of research team.

03 Apr 2024

1.0.29

New features
- Added signal quality check and restoration.
Enhancements
- HRV summary report is split out ‘basic’ and ‘advanced’.
- The analysis will continue, even if the number of bad channels determined after signal quality checking is greater than 2.
Bug fixes
- [ISW-241] The rounding at second decimal place, which is missing in the EEG summary report is updated.
- [QCQA-1071] Added the defensive logic expected to reduce frequency of the bug which a summary report doesn’t start when EC and EO individual analysis are finished at the same time.
- [QCQA-1082] Norm comparison error since signal restoration have been applied is fixed.
- [QCQA-1086] The word ‘Sensitivity’ in a HRV summary report have been changed to ‘Emotional’.
- Wrong message of the error during signal quality checking is modified correctly.

21 Mar 2024

1.0.28

Updated english & japanese PDF report for infant & youth.

31 Jan 2024

1.0.27

Summary report for infant & youth is added.
Multiprocessing is applied to visualization of EEG summary report to improve performance. (improvement rate: 200%)

24 Jan 2024

1.0.26

Roll-back the commit to change the way to communicate between app server and lambda to asynchronous.

29 Nov 2023

1.0.25

Renew PPG Analysis algorithm.
Add Exception when all data under 1 micro voltage.
Updated the engine to call lambda function asynchronously (except the development server) to get rid of AWS NAT TCP keepalive issue.

20 Nov 2023

1.0.24

Added HRV japanese balance opinion to the result table.

08 Nov 2023

1.0.23

Fix not proper languages printed in summary report.

24 Jul 2023

1.0.22

Japanese PDF reports. (except non-clinic version)

16 Jun 2023

1.0.21

Set maximum read time-out limitation of analysis lambda to 10 minutes. (Jira: ISAWAQA-15)
Update MCI screening step 1.

14 Jun 2023

1.0.20

Increase maximum read time-out limitation of analysis lambda to 15 minutes.
Remove unnecessary logic(getting a peak memory) in sensor level analysis.

19 Apr 2023

1.0.19

Change a way to decide physical min/max on EDF for iSyncWave application issue.
Handle an exception with wrong measured data.

11 Apr 2023

1.0.18

[Rollback] Raise an error if no label matched in EDF annotations.

10 Apr 2023

1.0.17

Raise an error if no label matched in EDF annotations.

06 Apr 2023

1.0.16

Change a text(percentage) color to black in MCI screening result image.

28 Mar 2023

1.0.15

Replace a reserved section of PPG EDF header to empty string temporarily for an application issue.

17 Mar 2023

1.0.14

Fix a bug that EEG summary report images in korean were generated, even if english images were requested. (Jira: QCQA-434)
Fix word-overlapping issue of EEG’s non-hospital summary.
Add the logic that parses annotations on EDF and extracts a signal of specific label from an original signal.
Fix typing error on EEG/HRV Summary report.
Set limit HRV Summary table’s bar graph to 100 percentile.

28 Feb 2023

1.0.13

Adjust thresholds of EEG summary report. (Jira: QCQA-399)
Change a type of age on PDF report to integer without rounding. (Jira: QCQA-404)
Fix an error by missing code about swapping first and last name by language. (Jira: ISW-208)

31 Jan 2023

1.0.12

Change the position of first and last name by language. (Jira: ISB3-336)
Correct changed first and last name order on MCI screening PDF report. (Jira: QCQA-397)

20 Jan 2023