PRNU, DSNU, and hot pixels

readme.md

@@ -205,10 +205,11 @@ Tycho-2 and Gaia, which camera C1 shows. Camera C1 is under way: so far,
 pixels that collect light over their area, lens distortion (Brown-Conrady),
 lens blur (a Gaussian PSF) applied to the scene rendered 2 x 2 finer than the
 pixels, the Sun, Moon and Earth at their apparent positions (light time
-and aberration), and detector noise (shot, dark current and read noise,
-seeded and reproducible). Planned, in order:
+and aberration), detector noise (shot, dark current and read noise, seeded
+and reproducible), and the detector's fixed pattern (PRNU, DSNU and hot
+pixels). Planned, in order:
 
-- Camera: pixel-to-pixel variation, saturation and blooming.
+- Camera: saturation and blooming.
 - Lighting: BRDF and spectral materials, atmospheric scattering, clouds, lunar
   terrain.
 - Portable ray tracing, path tracing, and label outputs for ML.