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One of the prime advantages of digital photography and imaging is that
pictures that have not clicked well can be enhanced and given the
perfect look an feel during the processing or editing stage.
Essentially, once the subject has been clicked, the image is downloaded
on to the computer. Then the digital image editing software is used to
manipulate to the image to produce a perfect picture.
Given here are the commonly used image editor features:
Selection tool: This is one of the essential tools wherein one can
select certain parts of the image that needs to be worked upon, without
affecting the rest of the image. The varied graphic programs have a
variety of selection options which are:
o Marquee tool
o Lasso
o Vector-based pen tools
o Edge detection
o Masking
o Alpha compositing
o Color extraction
o Channel-based extraction
Layers: These are analogous to the sheets of transparent acetate that
are stacked one over the other. And each can be positioned independent
of the other, without affecting the other layers, at all
Altering the Image Size: The image editors have a function whereby the
image sizes can be altered using a mathematical process termed as
resampling in order to calculate the new pixel values.
Image cropping: The images can be cropped to remove unnecessary
objects and subjects in the background.
Histogram: This function plots the number of pixels in the image with
a particular brightness value
Noise removal: Noise in images implies the dust and scratches, which
can be removed by this feature.
Color change tool
Image merging
Image slicing
Special effects
Color depth adjustment
Contrast and brightness adjusting tool
Sharpening images
Softening images
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