ISL - Focus Invariant Imaging

Focus Invariant Imaging

Focus-invariant optical systems are optical/digital systems that are deigned to be independent of focus. In other words, focus-invariant systems have a very large depth of field or depth of focus compared with standard systems.
Related abstracts and papers:	Related images:
- Extended Depth of Field Optical/Digital Incoherent Optical Systems - Extended Depth of Field Through Wavefront Coding - An Information Theory Approach to Incoherent Information Processing Systems - Control of Chromatic Focal Shift Through Wavefront Coding - Realizations of Focus Invariance in Optical/Digital Systems with Wavefront Coding	- 3-D Color Extended Depth of Field - Achromatic Systems - Extended Depth of Field Color Macro Imaging - Wavefront Phase Maps - Extended Depth of Field Imaging - Depth of Field/Depth of Focus vs. F/# Trade-off - First-Generation Cubic Phase Mask - Simulated Extended Depth of Field Imaging - First Focus-Invariant Images