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Image textures are one way that can be used to help in segmentation or classification of images. For more accurate segmentation the most useful features are spatial frequency and an average grey level. [2] To analyze an image texture in computer graphics, there are two ways to approach the issue: Structured Approach and Statistical Approach.
Wallpapers can come plain as "lining paper" to help cover uneven surfaces and minor wall defects, "textured", plain with a regular repeating pattern design, or with a single non-repeating large design carried over a set of sheets. The smallest wallpaper rectangle that can be tiled to form the whole pattern is known as the pattern repeat.
Chinese paper-cutting originated from the practice of worship of both ancestors and gods, a traditional part of Chinese culture dating back roughly two millennia. According to archaeological records, paper-cutting originates from the 6th century, although some believe that its history could be traced back as far as the Warring States period (around 3 BC), long before paper was invented.