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Image Transparency/Background Removal
When a given image (bitmap) is intended to be placed over a background or is required to have see-through areas, these transparent areas can be specified through a mask.
Image Masks
As such, for each intended image there are actually two bitmaps: the actual image, in which the unused areas are given a pixel value with all bits set to 0’s, and an additional mask, in which the correspondent image areas are given a pixel value of all bits set to 0’s and the surrounding areas a value of all bits set to 1’s.
The Problem – Background versus Foreground
While it is relatively easy to write the code to create a mask for any given image the method and process of defining which areas/regions of the image are to become transparent and which are to remain visible when there is little or no color difference between the background and foreground can be difficult to achieve at all – let alone do it quickly and easily.
The Solution
When posed with this issue the team at COR.Technology broke the problem down into its fine elements and pinpointed a set of core solutions which led to developing key techniques and then the necessary tools such as a Magic Brush and Fatline to overcome the problem. This means that even a novice can easily create a razor-sharp mask using COR.Technology’s tools for even the most difficult of images quickly and easily.
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