Figure 4.

Demonstration of the longitudinal chromatic aberration (LCA) model. Demonstration of the model performance on the toys’ image (A) provided by Brian Wandell. (B) Retinal image, simulated by ISETBIO toolbox (see Methods). (C) Model prediction of the perceived image. (D) Enlarged section of retinal image (the LCA) can be seen in the vicinity of the edges as blue–yellow colored lines. (D,E,F) represent a magnified image of the puppy’s eyes and the chromatic pattern zone in the background of the images (A,B), and model prediction (C). The correction can be observed only after enlargement (F). The bluish color, a manifestation of the chromatic aberration, is prominent in (E) and the model’s correction is seen clearly in (F). The change in the bluish chroma is also clear in the background pattern in (E) and the greenish restoration in (F).