Historical documents

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In our constantly growing book2net glossary you will find the most important technical terms from the field of digitalization.

Glossary

Ambient light

Ambient light has a significant impact on the quality of scan [...]

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Apochromat / apochromatic

When light passes through an optical system (lenses made of glass), [...]

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Archive scanner

In addition to libraries and museums, archives are among the main [...]

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Area sensor

See image sensor

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Autofocus

Autofocus is a common feature when taking photos with consumer cameras [...]

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Deskew – Alignment

To enable a quick and productive workflow, our Easy Scan software [...]

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Bayer Matrix (Bayer Sensor)

The Bayer matrix is the spatial arrangement of the red, green and blue [...]

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Blooming

Blooming is an effect that usually occurs with older, digital cameras with CCD [...]

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Book cradle

The book cradle is a device that facilitates the digitization, filming or copying [...]

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Book fold optimization

Some books, especially books with a thick spine, have a deep book fold [...]

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Book formats

The book format indicates how many sheets a book printer can create from [...]

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Book scanner

In contrast to document or passage scanners, book scanners are so-called overhead or [...]

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Book spine release

Book spine release refers to a special manually, mechanically or motor-controlled device with [...]

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Book support

A book support is a simple device to adjust the height for scanning. [...]

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Book types

A book (Latin liber), according to traditional understanding, is a collection of printed, [...]

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Bookbinding

Book bindings which are very similar to today's existed as early as the [...]

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Mechanical book cradle 180°

In a mechanical book cradle, the necessary balancing movement takes place via a [...]

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Calibration

In the field of color management, the terms calibration and profiling are often [...]

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Camera slider

For institutions with different originals and especially changing format sizes in their collections, [...]

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Candela

Candela (cd) is an internationally standardized physical unit of measurement for the luminous [...]

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Chromatic abberation

In optics, chromatic aberration (also abbreviated to CA) is a failure of a [...]

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Color calibration

A professionally performed color calibration serves to optimize and measurably compare the image [...]

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Color depth

The color depth indicates how many different color levels are available for each [...]

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Color management

Unlike the human eye, which can perceive almost any number of different colors, [...]

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Color profile

Every imaging device, whether a digital camera, scanner, monitor or color printer, has [...]

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Color rendering index (CRI)

The quality of color rendering of light sources of equivalent color temperature is [...]

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Color spectrum

Color spectrum see Light spectrum

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Color temperature

The color temperature is a measure for the quantitative description of the color [...]

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Conservation

In the area of cultural property protection, conservation or preservation refers to all [...]

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Continuous light

Continuous light is understood in artistic photography as an artificial light source that [...]

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Cultural property protection

In 2016, Germany modernized its cultural property protection law with a comprehensive reform, [...]

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Image sensor / CMOS versus CCD

There are two types of image sensors for industrial cameras on the market: [...]

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RGB color space

A color model is a method of generating many colors from a defined [...]

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Delta E

Delta E (dE or ∆E) is a measurand for determining color accuracy, [...]

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Depth of field

The depth of field indicates the range in which images are displayed [...]

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Deskew – Alignment

To enable a quick and productive workflow, our Easy Scan software is [...]

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Digital repository

As physical stacks are needed to be well managed and well organized, [...]

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Digitization guidelines

The quality of a digitization process is subject to a wide variety [...]

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DIN formats (paper formats)

The standardized values for paper sizes known today as DIN formats were [...]

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Distortion

When digitizing, one speaks of distortion whenever the geometry of the original [...]

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Document scanner

Document scanners are generally sheetfed scanners that are designed for productivity in [...]

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DPI

DPI stands for "dots per inch", more precisely the print-dots per inch [...]

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Dynamic range

In photography, the dynamic range describes the difference between the lightest and [...]

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EasyScan scanning software

Our Easy Scan software is the user-friendly interface for controlling our [...]

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ECI-RGB color space

The ECI-RGB V2 color space is one of the standardized RGB [...]

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EIZO monitor

Scanned documents are best viewed and evaluated using various measurement methods, [...]

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Electromagnetic spectrum

The electromagnetic spectrum describes the detectable and measurable wavelengths (lambda in [...]

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Environmental protection

Environmental protection refers to the entirety of all measures to protect [...]

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Ergonomics

Ergonomics is defined as ‘the science of the laws of human [...]

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Exposure time

When scanning, the exposure time determines the length of time light [...]

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FADGI

The Federal Agencies Digital Guidelines Initiative (FADGI) was founded in 2007 as [...]

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False colors

Imaging techniques such as multispectral photography make it possible to convert the [...]

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Filter

A filter is usually a thin transparent sheet of glass or plastic [...]

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Finger removal

Some originals cannot easily be placed open on the book cradle or [...]

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Flatbed scanner

In contrast to planetary scanners, which are operating contactless with incident light, [...]

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Fluorescence

Fluorescence refers to the ability of some atoms and molecules to absorb [...]

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Focus

In physics, the focus describes the point in an optical system where [...]

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Focus level

By using area sensors in our systems, we reproduce a high depth [...]

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Focus value

To set the acquisition unit to the optimum focal level, our systems [...]

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Folio format (book formats)

The term folio derives from the Latin word "folium" (leaf) and refers [...]

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Forensics

Forensics, from the Latin forensic (belonging to the forum / market), is [...]

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Fresnel lens

This term refers to a one-dimensional lens system that performs corrections in [...]

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German Federal Document Safeguarding Project

The destruction of culturally and historically significant documents through armed conflicts or [...]

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GIF

Graphics Interchange Format, GIF, is a bitmap image file format that supports [...]

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Glass plate

In order to ensure a true-to-scale, distortion-free high-quality image when digitizing bound [...]

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Gray chart

A gray chart is used to measure the dynamic range or tonal [...]

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Grayscale

Grayscale is an important basis for creating a color profile and calibrating [...]

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Height compensation

In order to ensure a true-to-scale, distortion-free high-quality scanning of bound [...]

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Historical formats (paper formats)

Just like book formats, paper formats also vary considerably from one [...]

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Homogeneous light

Homogeneous light, or also homogeneous illumination, refers to the uniform and [...]

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HS Code

Harmonized systems codes (HS codes) are standardized numerical ways of classifying [...]

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Hybrid scanning systems

Therefore, at book2net, we have developed versatile hybrid scanning solutions for [...]

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ICC profile

Your photo looks different on the monitor than on your smartphone [...]

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Illumination system

Uniform and gentle illumination of documents and books with book2net LED [...]

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Image circle

The image circle is the mental circle that touches on all [...]

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Image sensor / area sensor

In contrast to line sensors, image area sensors have a matrix [...]

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Image sensor / CMOS versus CCD

There are two types of image sensors for industrial cameras on [...]

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Imaging techniques

In the field of art technology, imaging techniques belong to the [...]

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Interlock

Mechanical book cradles that are designed for a support angle of [...]

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ISO/TS 19264-1:2017

In 2012, the ISO (International Organization for Standardization) began to define [...]

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JHOVE

JSTOR/Havard Object Validation Environment (JHOVE) is software used for format identification, [...]

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JIS B series

The Japanese standard JIS P 0138-61 adopts the A and C [...]

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JPEG

JPEG (JOINT PHOTOGRAPHIC EXPERTS GROUP) JPEG is a lossy compression format [...]

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JPEG 2000, JP2

JPEG 2000 is a file compression format that uses codes to [...]

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Kelvin

In science and technology, absolute temperatures and temperature differences are not [...]

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LED

LEDs (light-emitting diodes) are energy-saving light sources (ESL). In contrast to conventional light bulbs, [...]

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Lens

Every camera needs a lens to project the object or the image to be [...]

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Library scanner

Besides archives and museums, libraries are among the main custodians of cultural knowledge. With [...]

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Light spectrum

The light spectrum is the visible range of the electromagnetic spectrum that can be [...]

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Lighting system

Uniform and gentle illumination of documents and books with book2net LED lighting system using [...]

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Line sensor

Line sensors are light or radiation sensitive detectors (mostly semiconductor detectors), which consists of [...]

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LPI

LPI is an abbreviation for „lines per inch“.

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Lumen

Lumen (lm) is the internationally standardized unit of measurement for the luminous flux of [...]

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Luminance

Luminance is a photometric measure of the luminous intensity (brightness) per unit area of [...]

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Luminous efficacy

The luminous efficacy of a light source is its efficiency or energy efficiency, which [...]

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Luminous intensity distribution curve

The luminous intensity distribution curve (LID) or light distribution curve is a graphical representation [...]

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Lux

Lux (lx) is the internationally standardized physical unit of measurement for the illuminance of [...]

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M150

With the development of the M150 camera, MCROBOX has taken the [...]

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Machine vision

In addition to conventional and artistic photography, there is the large [...]

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Margin area

When digitizing with reflected light scanners, the margin area of the [...]

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Material analysis

Technical analyses of materials are used in libraries, archives and museums, [...]

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Mechanical book cradle 180°

In a mechanical book cradle, the necessary balancing movement takes place [...]

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Megapixel

The term megapixel comes from the field of digital photography and [...]

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Metamorfoze

Metamorfoze is the Netherlands’ national program for the preservation of paper [...]

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Miniature book (book formats)

A miniature book (mini book, micro book) is a very small [...]

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Moiré

The moiré effect occurs when the item being captured contains a [...]

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Motorized focus

Our systems work with a fixed focal length as standard. This [...]

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Multispectral imaging

book2net has developed a novel method for multispectral analysis of documents [...]

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Museum scanner

Besides archives and libraries, museums are the main custodians of movable [...]

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NARA

The National Archives and Records Administration (NARA) is an independent agency [...]

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Newspaper format (paper formats)

A newspaper format describes the standardized dimensions of a newspaper that [...]

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NIR spectroscopy

NIR spectroscopy (also near infrared spectroscopy or NIRS) is a physical [...]

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Noise

Data that obscures or corrupts signal, as that term is used [...]

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OCR

OCR (Optical Character Recognition) is a character recognition for documents. Using software [...]

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Opening angle

Adjustable opening angles for book cradles and glass plates are basic requirements [...]

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Operating systems – Windows

All our book2net digitizing systems and our Easy Scan software operate under [...]

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Overhead scanner

See planetary scanner

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Photosensitivity

High light intensity, in particular through UV radiation, can cause irreparable [...]

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Planetary scanner

As well as the term planetary scanner, the terms orbital scanner [...]

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PNG

PNG (Portable Network Graphics) is a file format that contains bitmaps [...]

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PPI

PPI stands for "Pixel per Inch". It describes the point or [...]

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Prequalification

Prequalification enables potential suppliers (bidders) to demonstrate in advance their expertise [...]

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Preservation

See conservation and cultural property protection

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Processing time

The processing time is an important factor in high-volume digitization projects, [...]

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Raking light

Raking light is a technique in which an object is illuminated from one [...]

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Rara

Rara is a term used in libraries for particularly valuable illuminated manuscripts, old [...]

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RAW

Digital raster images consist of a set of a grid of dots called [...]

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Resolution

What does resolution actually mean in the world of digital images? Every digital [...]

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Retro digitization

Retro digitization (also retrospective digitization) generally refers to the digitization of analog media, [...]

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RGB color space

A color model is a method of generating many colors from a defined [...]

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EasyScan scanning software

Our Easy Scan software is the user-friendly interface for controlling our [...]

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Scanning time

Scanning time basically refers to the speed at which a scanner [...]

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Semi-robotics

The book2net scanners Cobra, Flash, Mosquito, Hornet and Dragon are designed [...]

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Sensor technology

Sensor technology; see area sensor I image sensor, line sensor

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Special formats (paper formats)

Under the unofficial name A4+ (A4 plus), there is an oversize [...]

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Spectral colors

Spectral colors describe the color impression of the human color perception [...]

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Spectroscopy

Spectroscopy refers to a group of physical methods which decompose radiation [...]

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Stitching

In photography, stitching refers to the use of special software to [...]

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Surface structure

In addition to a distortion-free and true-color imaging technique, the optimal [...]

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Sustainability

With this in mind, we at MICROBOX act sustainably and considerately [...]

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Test charts

Test charts are needed to create device characterization for a camera, [...]

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TIFF

TIFF (TAGGED IMAGE FILE FORMAT) is a computer file format used [...]

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True color management

See color management

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TWAIN

TWAIN, an acronym for Technology Without An Interesting Name is a [...]

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Underdrawing

In art history, especially painting research, underdrawing describes a preliminary drawing carried out by the artist, [...]

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UTT

The Universal Test Target (UTT) is a single test chart developed by the Dutch National Library [...]

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UV fluorescence

UV fluorescence examination is a non-destructive examination method used on works of art. It uses UV [...]

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UV light

UV light, also known as ultraviolet radiation or UV radiation, cannot be seen by humans, only [...]

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V lambda curve

The V lambda curve is a luminous efficiency function or luminosity function describing the average spectral [...]

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V-shape scanner

V-shape scanners are special book scanners whose book cradle can be adjusted to an opening angle [...]

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Vignetting

In photographic technology, optical vignetting (edge decoration) is an effect that may be wanted in artistic [...]

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VIS spectroscopy

VIS spectroscopy (also VIS spectrometry) is a variant of spectroscopy in which the reflection or absorption [...]

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Watermark

A watermark is an identifying image or pattern in paper that appears as various shades [...]

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White balance

The white balance adjusts the scanner’s camera to the prevailing lighting conditions to ensure a [...]

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Work genesis

The genesis of a work of art, i.e. the creation process, can be made visible [...]

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X71

With the book2net X71, MICROBOX has developed a unique digital camera [...]

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XML

Extensible markup language (XML) is a metadata language used to structure [...]

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