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ppc
This is an abbreviation for a unit of resolution, “pixels per centimeter”.
It expresses the number of pixels in one centimeter. A higher number relates
to a higher resolution.
ppi
This is an abbreviation for a unit of resolution, “pixels per inch”.
It expresses the number of pixels in one inch. A higher number relates to a
higher resolution.
Profile
A file that defines the color characteristics, and the color reproduction area
of each input device.
In a color management system, this profile is used to correct color differ-
ences between input devices and to perform color matching.
RAW image
An image captured with the picture quality mode set to “RAW”, in which the
raw output from the CCDs (image capture element) is stored in non-com-
pressed, 12 bit format.
These images can only be opened with this software, and if the image is to
be used in another application it is necessary to develop it and save it in
JPEG or TIFF format first.
The settings of various types of image retouch information such as tone
curve, white balance, or color balance can be stored in a RAW image, so the
image can be adjusted without any loss of image quality.
Resolution
A standard for expressing the fineness of an image and the smoothness of
the image quality.
Resolution is expressed as how many points can be expressed as a cluster
within a unit width. The higher this value is, the finer the image that can be
obtained.
The number of dots displayed on the screen represents the quality of the
picture. Printed or scanned documents are expressed in dpi or ppi.
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