TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HOLOGRAPHIC DATA [9 records]

Record 1 2024-01-27

English

Subject field(s)
  • Computer Graphics
  • Computer Memories
  • Transformers and Inductance (Electronics)
CONT

Some holographic storage devices claim a density of one terabit, or one trillion bits, in one cubic centimeter... Compact Discs hold... approximately 250, 000 times less information than those holograms would. The theoretical promises of holographic data storage hold much promise for people trying to find ways to retrieve extremely large amounts of data very quickly.

French

Domaine(s)
  • Infographie
  • Mémoires (Informatique)
  • Transformateurs et inductance (Électronique)
CONT

Au lieu de lire les bits en ordre séquentiel, comme c'est le cas des disques durs et des disques optiques, un dispositif holographique peut lire des millions de pixels à la fois - ce qui permettrait, en théorie toujours, d'obtenir un débit inégalé de plusieurs gigabits par seconde.

Spanish

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Record 2 2023-11-01

English

Subject field(s)
  • Artificial Intelligence
CONT

Holographic neural networks can be applied to the same problems as... other network types. However, the process of designing a holographic application is quite specific. Namely, the network topology for most problems turns out to be trivial or very simple. Rather than with topology, the designer is much more concerned with data preprocessing.

French

Domaine(s)
  • Intelligence artificielle

Spanish

Save record 2

Record 3 2022-08-08

English

Subject field(s)
  • Computer Memories
  • Information Processing (Informatics)
  • Optics
CONT

... if a hologram is read out by one of its stored data, then its associated output corresponding to the other will be recalled. In principle, the holographic associative memory utilizes a correlation and a convolution in order to identify and to reconstruct a desired image and/or pattern.

French

Domaine(s)
  • Mémoires (Informatique)
  • Traitement de l'information (Informatique)
  • Optique

Spanish

Save record 3

Record 4 2022-05-31

English

Subject field(s)
  • Optics
  • Computer Graphics
  • Photography
CONT

When the object being studied is asymmetric, a single interferogram does not provide sufficient data; in this case multi-directional interferometric data must be utilized. Data of this type can be obtained from a holographic interferogram in which the transparent object is back-illuminated by a diffuser.

French

Domaine(s)
  • Optique
  • Infographie
  • Photographie

Spanish

Save record 4

Record 5 2022-04-28

English

Subject field(s)
  • Optics
  • Computer Graphics
  • Photography
CONT

Holographic representations enable progressive refinement in image communication or retrieval tasks, with no restrictions on the order in which the data fragments(sections of the representation) are accessed or become available.

French

Domaine(s)
  • Optique
  • Infographie
  • Photographie

Spanish

Save record 5

Record 6 2021-10-27

English

Subject field(s)
  • Information Processing (Informatics)
  • Optics
  • Computer Graphics
CONT

Sampling and quantization problems in digital holography have been discussed … It is noted that the sample spacing used in holographic data processing is usually selected to be a half wavelength since it can achieve the Nyquist rate.

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Optique
  • Infographie

Spanish

Save record 6

Record 7 2005-05-17

English

Subject field(s)
  • Computer Memories
DEF

A storage device that records binary information in the form of holograms, which are produced (as interference patterns) on photographic or photochromic media by means of laser beams, and are read by means of low-power laser beams.

CONT

Holographic memory offers the possibility of storing 1 terabyte(TB) of data in a sugar-cube-sized crystal. A terabyte of data equals 1, 000 gigabytes, 1 million megabytes or 1 trillion bytes. Data from more than 1, 000 CDs could fit on a holographic memory system. Most computer hard drives only hold 10 to 40 GB of data, a small fraction of what a holographic memory system might hold.

French

Domaine(s)
  • Mémoires (Informatique)
DEF

Dispositif de stockage qui enregistre l'information binaire sous forme d'hologrammes.

Spanish

Campo(s) temático(s)
  • Memorias (Computadoras)
DEF

Dispositivo de almacenamiento que registra la información binaria en forma de hologramas, que se producen (como modelos de interferencias) sobre medios fotográficos o fotocrómicos por medio de rayos láser, y se leen mediante haces láser de baja potencia.

Save record 7

Record 8 2004-09-29

English

Subject field(s)
  • Computer Memories
  • Computer Hardware
  • Lasers and Masers
DEF

... computer storage that uses laser beams to store computer-generated data in three-dimensions.

OBS

Holostore is a method of data storage. The data is stored as a holographic(3-dimensional) image by passing light through light-sensitive crystals that retain the light patterns.

French

Domaine(s)
  • Mémoires (Informatique)
  • Matériel informatique
  • Masers et lasers
DEF

Technologie tri-dimensionnelle utilisant le laser comme moyen de stockage.

OBS

Technique mise au point par IBM et Lucent Technologies. Cristal photosensible à trois dimensions offrant une possibilité de stockage équivalent à 50 DVD.

Spanish

Campo(s) temático(s)
  • Memorias (Computadoras)
  • Equipo físico de computadora (Hardware)
  • Láser y máser
DEF

Método para almacenar los datos, haciendo una fotografía multidimensional en un medio de almacenamiento.

Save record 8

Record 9 1989-02-17

English

Subject field(s)
  • Computer Graphics

French

Domaine(s)
  • Infographie

Spanish

Save record 9

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