Digital Image Editing

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

Filed Under: Digital Photography

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