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Monthly Archives: August 2012

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Clipping path service for Ecommerce Industry

When you want to hide a portion of an image, such as the background, you can create clipping paths to hide the unwanted image elements or by alpha channels which is another type of image masking, which defines a selection in black, white, and varying shades of Gray pixels. These are two commonly used methods to eliminate photo background. The difference between the alpha channels and clipping path?

Clipping path

A clipping path is a non-printing line that encloses one or more areas of a raster image. They are separate objects within an image. One common use of a path is to remove the background of a photo and create the illusion of transparency. Paths can also be used to extract individual objects or create non-rectangular shapes. Clipping path is useful for usual simple photo background editing.

Alpha Channels

Alpha channels are bitmap masks with transparency. They have both transparent and opaque areas. Typically, alpha channels are used in photo or video compositing. Some programs can create a clipping path from the alpha channel information stored in an image. Alpha channels are basically specialized selection processes. Alpha channels are used to make, store or edit selections made using tools such as Lasso, Magic wand or Pen tool. Alpha channel is another type of image masking. When we say mask, it is an 8-bit channel using 256 levels of Gray, ranging from 0(black) to 255(white). With that being said, alpha channel is a masking technique which defines a selection in black, white, and varying shades of Gray pixels. White acts as the selected pixels; black acts as the unselected area and the levels of Gray define what is partially unselected or selected depending on your view point. Alpha channels is ideal for more complicated photo editing such as hair masking and etc.