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A stock image in publishing is an image that is commercially available (see stock photography).
A stock image in finance is a stock valuation coefficient. It links the estimated economic value (fair value) and the stock market price. This coefficient, usually between .3 and 3, is related to the stock behavioral category (stock profile, for example emerging, cyclical, growth...) and the general market behavior (bullish / bearish).
External link
stock image and behavioral finance (http://perso.wanadoo.fr/pgreenfinch/)
A number of standard test images are in use in the image processing literature which serve as a common test of various image processing algorithms.
A core image (or core dump, from magnetic core memory, the predominant RAM technology of the 1960s) is a faithful copy of the data stored in the main memory of a computer or process.
In marketing image is often used as shorthand for the perception that consumers have for a brand, its values and its benefits (often referred to as brand image).
The stockimage is a key parameter used in the "behavioral pricing model".
The stockimage coefficient varies in time inside a bracket specific to the stock.
Stocks with similar properties might have similar brackets, thus finding the "stock profile" (stock behavior family : glamour, defensive, cyclical, etc.) is important.