LUT & ATIM STUDY IN IMAGE PROCESSING TECHNIQUES
Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.10, No. 1)Publication Date: 2021-01-30
Abstract
For real-time inspection of color, the LUT approach is the best of the techniques considered. In computer science, a lookup table is an array that replaces runtime computation with a simpler array indexing operation. The savings in terms of processing time can be significant, since retrieving a value from memory is often faster than undergoing an expensive computation or input & output operation. The tables may be precalculated and stored in static program storage, as part of a program's initialization phase, or even stored in hardware in application-specific platforms. Lookup tables are also used extensively to validate input values by matching against a list of valid items in an array and, in some programming languages, may include pointer functions to process the matching input. The disadvantage of the LUT approach is the large memory size. The memory size has been reduced significantly by applying a multitude of ROM compression methods.
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Last modified: 2021-03-11 07:44:40