Effortless, previously known as Fast IMCOM (IMage COMbination), is a linear image reconstruction algorithm that offers control over point spread functions in output images, designed for the weak gravitational lensing cosmology program with the Nancy Grace Roman Space Telescope and beyond.
- K. Cao & Roman HLIS Cosmology PIT (2026): Linear Image Regridding and Coaddition with Oversampled Point Spread Functions: Lessons from 1D
- K. Cao (2026a, under internal review): Efficient Optimal Image Reconstruction for the Nancy Grace Roman Space Telescope and Beyond: I. First Results with Effortless
- K. Cao (2026b, under internal review): Efficient Optimal Image Reconstruction for the Nancy Grace Roman Space Telescope and Beyond: II. Implementation of Effortless