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ICC v4 Profile Validation: Headers, Tag Tables and Bounds

ICC v4 Profile Validation: Headers, Tag Tables and Bounds

Choose one answer. All questions are included, with explanations after checking. No time limit. Training target: 21/26. Diagnose ICC.1:2022 v4 binary headers and tag directories through byte decoding, embedded offsets, bounds, alignment, sharing and validation limits. This test does not cover complete tag-payload validation, colourimetric accuracy, iccMAX, or colour conversion workflows. Sources: https://archive.color.org/specification/ICC.1-2022-05.pdf https://www.color.org/icc_specs2/ https://www.color.org/security/malformed/added-bytes/ https://github.com/InternationalColorConsortium/iccDEV/issues/987
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Two otherwise identical profiles differ only in their rendering-intent header field. For ICC.1 profile-ID calculation, that field is temporarily zeroed. What follows?