Open Access
Table 1.
Summary of the main notations.
Not. | Range | Definition |
---|---|---|
⊳ Constants and related indexes | ||
K | ℕ | Number of pixels in a patch |
M | ℕ | Number of pixels in a reconstructed image |
N | ℕ | Number of pixels in a temporal frame |
T | ℕ | Number of temporal frames |
n | ⟦1, N⟧ | Pixel index |
t | ⟦1, T⟧ | Temporal index |
⊳ Data quantities | ||
r | ℝNT | ADI sequence (observed data) |
f | ℝNT | Nuisance component |
x | ![]() |
Light distribution of off-axis sources |
⊳ Operators | ||
A | ℝNT × M | Off-axis PSF model: A = V H Γ Q |
Q | ℝMT × M | Field rotation |
Γ | ℝMT × MT | Coronagraph attenuation |
H | ℝMT × MT | Convolution by off-axis PSF |
V | ℝNT × MT | Field of view cropping |
P | ℝK × N | Patch extractor |
⊳ Estimated quantities | ||
![]() |
ℝN | Temporal mean of f |
![]() |
ℝK × K | Empirical spatial covariance of f |
![]() |
ℝK × K | Shrunk spatial covariance of f |
![]() |
ℝNT | Statistics of the nuisance component f |
![]() |
![]() |
Reconstructed distribution of light |
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