ACRONYMS
| ACS | astigmatic coherence sensor |
| AOTF | acoustooptic tunable filter |
| APS | active pixel sensor |
| CASSI | coded aperture snapshot spectral imager |
| c.c. | complex conjugate |
| CGH | computer-generated hologram |
| CS | compressed sensing |
| CTE | charge transfer efficiency |
| DFT | discrete Fourier transform |
| DMD | digital mirror device |
| DOF | depth of field |
| EDOF | extended depth of field |
| EM | expectation–maximization (algorithm) |
| FFT | fast Fourier transform |
| FOV | field of view (IFOV = instantaneous FOV) |
| FPA | focal plane array |
| FSR | free spectral range |
| FWHM | full width at half maximum |
| ICA | independent component analysis |
| LCTF | liquid crystal tunable filter |
| LG | least gradient |
| LSI | linear shift-invariant |
| LSQI | least squares with quadratic inequality |
| LWIR | longwave infrared |
| MP | magnifying power |
| MRTD | minimum resolvable temperature difference |
| MSE | mean-square error |
| MTF | modulation transfer function |
| MURA | modified URA (q.v. URA, below) |
| NA | numerical aperture |
| NEP | noise equivalent power |
| NETD | noise equivalent temperature difference |
| NIR | near infrared |
| OCT | optical coherence tomography |
| OLS | ordinary least squares |
| OTF | optical transfer function |
| PCA | principal component(s) analysis |
| PSF | point spread function |
| PTF | pixel transfer function |
| RGB | red-green-blue |
| RIP | restricted isometry property |
| ROIC | readout integrated circuit |
| RSI | rotational shear interferometer/interferometry |
| RST | reference structure tomography |
| SLM | spatial light modulator |
| STED | stimulated emission depletion ... |
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