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    <title><![CDATA[IMA Appweb - Health Vitals AI Changelog & Product Updates]]></title>
    <link>https://www.ima-appweb.com/changelog/health-vitals-ai/</link>
    <description><![CDATA[Real-time vitals monitoring AI, processing rPPG computer vision telemetry, pulse detection, and clinical health dashboards.]]></description>
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    <lastBuildDate>Mon, 31 Aug 2026 17:03:15 GMT</lastBuildDate>
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      <title><![CDATA[Stabilized rPPG Measurement Pipeline (45s Window + 5s Precheck)]]></title>
      <link>https://www.ima-appweb.com/changelog/health-vitals-ai/#2026-08-01</link>
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      <pubDate>Sat, 01 Aug 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Identified and resolved inaccuracies introduced when shifting the measurement window from 60s to 45s with a 5-second precheck. Recalibrated the processing pipeline to restore consistent vital estimation across variable camera feeds.]]></description>
      <category><![CDATA[improvement]]></category>
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      <title><![CDATA[Ground-Truth Calibration Dataset (74 Validated Clinical Samples)]]></title>
      <link>https://www.ima-appweb.com/changelog/health-vitals-ai/#2026-07-28</link>
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      <pubDate>Tue, 28 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Version-locked the production rPPG processor and generated a 74-sample ground-truth dataset spanning diverse age groups. Quantified bias, MAE, and offsets for HR (+9.0 offset, 22.2 MAE), RR (+3.7 offset), SpO2 (+4.4 offset), SBP (-10.9 offset), and DBP (-1.7 offset, 82.4% acceptance rate).]]></description>
      <category><![CDATA[feature]]></category>
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    <item>
      <title><![CDATA[Dual-Algorithm POS + CHROM Parallel Architecture]]></title>
      <link>https://www.ima-appweb.com/changelog/health-vitals-ai/#2026-07-22</link>
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      <pubDate>Wed, 22 Jul 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Architected a parallel POS + CHROM signal extraction engine with a lightweight quality evaluator selecting the higher-confidence signal dynamically without modifying downstream vitals pipelines.]]></description>
      <category><![CDATA[feature]]></category>
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      <title><![CDATA[Camera-Based rPPG Signal De-noising & Motion Artifact Filtering]]></title>
      <link>https://www.ima-appweb.com/changelog/health-vitals-ai/#2026-06-12</link>
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      <pubDate>Fri, 12 Jun 2026 00:00:00 GMT</pubDate>
      <description><![CDATA[Implemented adaptive spatial-temporal filtering to eliminate ambient lighting noise and head movement distortions in real-world non-clinical environments.]]></description>
      <category><![CDATA[improvement]]></category>
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