UNTL Metadata: Image File Description
 

 

Label

Image File description

Sub-Element

-Image Format and Version,
-Image Resolution,
-
Image Dimension,
-
Image Tonal Resolution,
-
Image Color,
-
Compression,
-
Other

Definition

Technical Specifications of the image file

Example

 

Comment

Describe the details of  image files essential for managing preservation.

Required

Yes*

Repeatable

No

Origin

NLA 

Note

Depending on the local requirements, it can further breakdown

 

 Image File Description

 

Image Format and Version

Definition: The file type and version.  
Examples
: TIFF v 4.0

 Image Resolution

Definition: The spatial resolution of the image, expressed as pixels per inch or cm (ppi, p/cm) or dots per inch or cm (dpi, d/cm).  
Examples
: 600 dpi; 300 dpi, 1500 d/cm

 Image Dimension

Definition: The number of pixels along the vertical and horizontal dimensions  
Examples
: 4096 x 6144 pixels

Image Tonal Resolution

Definition: Bit depth of each pixel, and whether multiple bits convey gray tones or color  
Examples
: 1-bit; 8-bit grayscale; 24-bit color

Image Color Space

Definition: The color space used for the image.  
Examples
: CMYK; RGB

 Compression*

Definition: The type and level of compression  
Examples
: zip file, CCIT 4

 Other

Example:

 

 

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