Principles and techniques of digital holographic microscopy
... Holography was invented in 1948 by Dennis Gabor in an effort to improve the resolution of the electron microscope, where the correction of electron lens aberrations posed increasing technical difficulty. Instead of attempting to perfect the electron imaging lens, Gabor dispensed it altogether and re ...
... Holography was invented in 1948 by Dennis Gabor in an effort to improve the resolution of the electron microscope, where the correction of electron lens aberrations posed increasing technical difficulty. Instead of attempting to perfect the electron imaging lens, Gabor dispensed it altogether and re ...
Three-Dimensional Imaging and Processing Using Computational
... of this technique was made possible by advancements in charge-coupled device (CCD) and CMOS image sensor technology. An advantage of digital holography is that the hologram is directly obtained in digital form. There is no need for an analog recording of the hologram and the corresponding chemical o ...
... of this technique was made possible by advancements in charge-coupled device (CCD) and CMOS image sensor technology. An advantage of digital holography is that the hologram is directly obtained in digital form. There is no need for an analog recording of the hologram and the corresponding chemical o ...
Wide viewing angle holographic display with a multi spatial light
... optoelectronic modules which are adopted to generate a large number of data points [5] or to increase holographic display angular view ability [6,7]. In this paper we present a holographic display configuration where multiple SLMs aligned in circular configuration are put to work together. Such conf ...
... optoelectronic modules which are adopted to generate a large number of data points [5] or to increase holographic display angular view ability [6,7]. In this paper we present a holographic display configuration where multiple SLMs aligned in circular configuration are put to work together. Such conf ...
a PDF of the paper on this project published in the OCEANS 2005
... cinematography system that has a real-time fiber optic communication link. This system collects dual-view digital holograms at a rate of 15 frames per second, enabling the user to observe the behavior of marine plankton and distinguish motile organisms from abiotic particles. In order to follow the ...
... cinematography system that has a real-time fiber optic communication link. This system collects dual-view digital holograms at a rate of 15 frames per second, enabling the user to observe the behavior of marine plankton and distinguish motile organisms from abiotic particles. In order to follow the ...
Autofocus for Digital Fresnel Holograms by Use of a Fresnelet
... maximum in a single leap (when the function is parabolic, which is more likely if it is sufficiently smooth) and vice versa [47, p. 397–405]. The focusing problem may be summarized as follows: we aim at finding the best Fresnelet basis such that as much of the image energy is encoded with as few coe ...
... maximum in a single leap (when the function is parabolic, which is more likely if it is sufficiently smooth) and vice versa [47, p. 397–405]. The focusing problem may be summarized as follows: we aim at finding the best Fresnelet basis such that as much of the image energy is encoded with as few coe ...
Digital holography of total internal reflection
... holography offers a number of important advantages such as the ability to acquire images rapidly, the availability of both amplitude and phase information of the optical field, and versatility of the image processing techniques that can be applied to the complex field data. Indeed, digital holograph ...
... holography offers a number of important advantages such as the ability to acquire images rapidly, the availability of both amplitude and phase information of the optical field, and versatility of the image processing techniques that can be applied to the complex field data. Indeed, digital holograph ...
MAMMOGRAPHIC DETECTORS
... a direct conversion x-ray detector are shown in figure 3.8. An Indium Tin Oxide (ITO) electrode (labeled A) is uniformly deposited on the photoconducting layer usually with thermal evaporation. This electrode is called the ‘top electrode’. The top electrode is positively biased with a high voltage t ...
... a direct conversion x-ray detector are shown in figure 3.8. An Indium Tin Oxide (ITO) electrode (labeled A) is uniformly deposited on the photoconducting layer usually with thermal evaporation. This electrode is called the ‘top electrode’. The top electrode is positively biased with a high voltage t ...
Looking through walls and around corners with
... interferometric detection. The ability to use incoherent light for widefield imaging is one of the major advantages of our technique in applications such as microscopy. ...
... interferometric detection. The ability to use incoherent light for widefield imaging is one of the major advantages of our technique in applications such as microscopy. ...
... which these two techniques are applied over the input image will also be important. The results of applying this compared approach to Fig. 2 are shown in Fig 6. From the images shown above, it is possible to state that better results in speckle noise reduction are achieved by merging the two formerl ...
Preface The history of science is, to a considerable degree, the
... The history of science is, to a considerable degree, the history of invention, development and perfecting of imaging methods and devices. Modern science began with the invention and application of optical telescope and microscope in the beginning of 17-th century by Galileo Galilei (1564-1642), Anth ...
... The history of science is, to a considerable degree, the history of invention, development and perfecting of imaging methods and devices. Modern science began with the invention and application of optical telescope and microscope in the beginning of 17-th century by Galileo Galilei (1564-1642), Anth ...
(Digital Micro-Mirror Device) Based Multi-Object
... arbitrary regions of interest. In addition it will be possible to do multi-object spectroscopy by carefully designing a mask that allows several spectrally different objects in the scene to be rapidly measured in sequence. We will focus on spectral measurements in the visual and near-infrared part o ...
... arbitrary regions of interest. In addition it will be possible to do multi-object spectroscopy by carefully designing a mask that allows several spectrally different objects in the scene to be rapidly measured in sequence. We will focus on spectral measurements in the visual and near-infrared part o ...
PASSIVE MILLIMETER-WAVE IMAGING WITH EXTENDED DEPTH OF FIELD AND SPARSE DATA
... of the scene. (b) Image produced using a 94-GHz imaging system. In this paper, we describe a passive mmW imaging system with extended depth-of-field that can produce images with reduced number of samples. We show that if the mmW image is assumed to be sparse in some transform domain, then one can re ...
... of the scene. (b) Image produced using a 94-GHz imaging system. In this paper, we describe a passive mmW imaging system with extended depth-of-field that can produce images with reduced number of samples. We show that if the mmW image is assumed to be sparse in some transform domain, then one can re ...
Digital X-Ray Imaging - Experimental Elementary Particle Physics
... reduced in some situations where a noisier image can be accepted. The rapid availability of the image can also be helpful. A good example is stereotactic localization, where films must be reviewed before the procedure can be completed. Another important limitation of screen/film imaging is that the im ...
... reduced in some situations where a noisier image can be accepted. The rapid availability of the image can also be helpful. A good example is stereotactic localization, where films must be reviewed before the procedure can be completed. Another important limitation of screen/film imaging is that the im ...