[HTML][HTML] Review of engineering techniques in chaotic coded aperture imagers
Coded aperture imaging (CAI) is a technique to image three-dimensional scenes with
special controlled abilities. In this review, we survey several recently proposed techniques to …
special controlled abilities. In this review, we survey several recently proposed techniques to …
Nonlinear reconstruction of images from patterns generated by deterministic or random optical masks—concepts and review of research
Indirect-imaging methods involve at least two steps, namely optical recording and
computational reconstruction. The optical-recording process uses an optical modulator that …
computational reconstruction. The optical-recording process uses an optical modulator that …
Roadmap on chaos-inspired imaging technologies (CI2-Tech)
In recent years, rapid developments in imaging concepts and computational methods have
given rise to a new generation of imaging technologies based on chaos. These chaos …
given rise to a new generation of imaging technologies based on chaos. These chaos …
[HTML][HTML] Multi-wavelength imaging with extended depth of field using coded apertures and radial quartic phase functions
This study demonstrates a new multi-wavelength imaging technique with an extended depth
of field. The spatial and spectral information of the objects is encoded into a single bipolar …
of field. The spatial and spectral information of the objects is encoded into a single bipolar …
Tuning axial resolution independent of lateral resolution in a computational imaging system using Bessel speckles
V Anand - Micromachines, 2022 - mdpi.com
Speckle patterns are formed by random interferences of mutually coherent beams. While
speckles are often considered as unwanted noise in many areas, they also formed the …
speckles are often considered as unwanted noise in many areas, they also formed the …
Imaging with diffractive axicons rapidly milled on sapphire by femtosecond laser ablation
Fabrication of large area (sub-1 cm cross-section) micro-optical components in a short
period of time (~ 10 min) and with lesser number of processing steps is highly desirable and …
period of time (~ 10 min) and with lesser number of processing steps is highly desirable and …
Optical 3D information encryption and rapid decryption via interferenceless coded aperture correlation holography
L Yang, J Yang, T Huang, J Li, Q Zhang, J Di… - Optics & Laser …, 2024 - Elsevier
Holographic encryption has obvious advantages in large key space and anti-attack ability,
but the corresponding coherent noise and optical alignment requirement greatly affect the …
but the corresponding coherent noise and optical alignment requirement greatly affect the …
Edge and contrast enhancement using spatially incoherent correlation holography techniques
Image enhancement techniques (such as edge and contrast enhancement) are essential for
many imaging applications. In incoherent holography techniques such as Fresnel …
many imaging applications. In incoherent holography techniques such as Fresnel …
Recent progress in digital holography with dynamic diffractive phase apertures
Digital holography with diffractive phase apertures is a hologram recording technique in
which at least one of the interfering waves is modulated by a phase mask. In this review, we …
which at least one of the interfering waves is modulated by a phase mask. In this review, we …
[图书][B] Digital holography based on aperture engineering
Innovations and inventions can sometimes be nothing more than a new and unexpected
combination of well known and unrelated ideas. Digital holography based on phase …
combination of well known and unrelated ideas. Digital holography based on phase …