5 - Colour Reproduction Requirements Flashcards
(26 cards)
What are examples of colour reproduction requirements
Tone reproduction, gray balance, colour correction
What are colour reproduction requirements
Adjustments that have a direct impact on the quality of colour
What are colour reproduction specifications
Adjustments that don’t directly affect colour but impact over the quality of an image
What are some examples of colour reproduction specs
Enhancement filters and sharpening
What is tone reproduction
Refers to the overall brightness & contrast of an image within tonal range
Tonal value is impacted in print by
dot gain
Smallest printable dots …AKA
Highlights
Largest printable dots …AKA
Shadows
End points are
The highlight and shadow of an image
What is specular highlight
The reflection of an object that is very bright ( but shouldn’t be used as a highlight point)
The shadow is the
Darkest area carrying detail
To set end points in Photoshop
Use white And black point tool in curves window to select H or S dot %
Mid tone is
The range of tones halfway btwn the H And S
Increasing the midtone results in
More nightlight detail
Loss in shadow detail
Decreasing the midtone results in
More shadow detail
Loss in highlight detail
Gray balance in image editing is
The a sense of colour cast or bias to the image
What pallet corrects gray balance in Photoshop
The colour balance window
To correct colour balance in Photoshop
Use info pallet and remove cast in H, S or MT
Can also be used as gray point tool
To adjust gray balance on camera
Set the cameras saturation and the selected RGB profile
T or F … Sharpening is the same as Focus
FALSE. Sharpening is NOT the same as focus
In Photoshop USM the amount is
The % increase in contrast btwn pixels
In Photoshop USM the radius
The width of the electronic peaks during USM
In Photoshop USM the threshold is
How far apart 2 pixels tonal values have to be before the future affects them
To residue moire in Photoshop you should
Slightly blur IMF to eliminate obvious moire pattern
