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ICAO 9303 passport photo compliance in 2026: why 64% of diffusion portraits fail, plus head-pose and illumination fixes that improve approval odds. Independent technical note mirroring the canonical version: https://kahma.io/blog/passport-photo-rejections-icao-9303-international-civil-aviation-organization-2026-64-fail-vs-pose-fixes.php
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Ella Sullivan (2026) studied this question.
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