نتایج جستجو برای: دوربین ccd

تعداد نتایج: 10631  

Journal: :International Astronomical Union Colloquium 1993

Journal: :Astronomy & Astrophysics 2008

Journal: :International Astronomical Union Colloquium 1993

1989
S. E. Kemeny E - S. Eid

The use of charge-coupled device (CCD) circuits in Z-plane architectures for focal-plane image processing is discussed. The low-power, compact layout nature of CCDs makes them attractive for Z-plane application. Three application areas are addressed; non-uniformity compensation using CCD MDAC circuits, neighborhood image processing functions implemented with CCD circuits, and the use of CCDs fo...

Journal: :Journal of radiology case reports 2010
Kristina Imeen Ringe Eckart Schirg Michael Galanski

Cleidocranial dysplasia (CCD), also known as Scheuthauer Marie-Sainton Syndrome, is a rare autosomal dominant inherited disorder, characterized by general retardation in bone ossification, hypoplastic clavicles and various craniofacial and dental abnormalities. Early diagnosis of CCD can be difficult, because the majority of craniofacial abnormalities become obvious only during adolescence. We ...

2010
Author Norikazu Takahashi Ken Ishitobi Tetsuo Nishi N. Takahashi K. Ishitobi T. Nishi

It is well known that one-dimensional cellular neural networks (1-D CNNs) with the template A = [1, 2,−1] can perform connected component detection (CCD). However this has been confirmed only by numerical and laboratory experiments. In this paper, sufficient conditions for 1-D CNNs to perform CCD are obtained through theoretical analysis. Main result shows that a wide class of templates includi...

1996
Nicholas B. Suntzeff Alistair R. Walker

The CTIO Prime Focus CCD instrument with an RCA CCD was in operation at the CTIO 4-m telescope for six years between 1982-1988. A large body of literature has been published based on CCD images taken with this instrument. We review the general properties of the now-retired PFCCD system to aid astronomers in the interpretation of the photometric data in the literature.

Journal: :Optics letters 2002
Zhiwen Liu Martin Centurion George Panotopoulos John Hong Demetri Psaltis

We report on holographic recording of nanosecond events on a conventional CCD camera. Three frames of an air-discharge event, with resolution of 5.9 ns and frame interval of 12 ns, are recorded in a single CCD frame. Each individual frame is reconstructed by digital filtering of the CCD frame, since successively recorded holograms are centered at different carrier frequencies in the spatial fre...

Journal: :Publications of the Astronomical Society of the Pacific 1989

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