The distinction between two colour distributions could be measured utilizing a statistical distance metric primarily based on info concept. One distribution usually represents a reference or goal colour palette, whereas the opposite represents the colour composition of a picture or a area inside a picture. For instance, this method might examine the colour palette of a product photograph to a standardized model colour information. The distributions themselves are sometimes represented as histograms, which divide the colour area into discrete bins and depend the occurrences of pixels falling inside every bin.
This strategy offers a quantitative strategy to assess colour similarity and distinction, enabling purposes in picture retrieval, content-based picture indexing, and high quality management. By quantifying the informational discrepancy between colour distributions, it provides a extra nuanced understanding than easier metrics like Euclidean distance in colour area. This technique has grow to be more and more related with the expansion of digital picture processing and the necessity for sturdy colour evaluation strategies.