preprocessing

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preprocessing

A preliminary processing of data in order to prepare it for the primary processing or for further analysis. The term can be applied to any first or preparatory processing stage when there are several steps required to prepare data for the user. For example, extracting data from a larger set, filtering it for various reasons and combining sets of data could be preprocessing steps. See preprocessor and compiler directive.
References in periodicals archive ?
Therefore, there is a need of marvelous technologies and techniques to preprocess huge amount of microarray data.
Chen, Research on data preprocess method for thermal parameters [Master, thesis], North China Electric Power University, 2013.
Preprocess the test dataset [Y.sub.n] with Gap metric method to get Y*:
Preprocess represents the preprocessing model and PreAndPost represents the complete model.
In order to reduce or remove undesired physical effect such as light scattering and random noise caused by instruments or variable physical sample properties, the average reflectance spectrum (ARS) should be preprocessed. In this study, MSC, SG smoothing, and MSC-SG were individually used.
Further, this paper implements the Chan-Vese method to mine the tumor section in preprocessed picture.
JAR allowed us to preprocess the data in such a way that searching cost of metadata tags is reduced from O(n) to O(1).
What was surprising was that all three contestants used different tools to preprocess their file and that no contender used the tools integrated into their encoding program.
The demonstration of high-precision process control will feature preprocess and in-process gauges that are integrated using a single P7 multi-function amplifier.
The secret of this new approach is the inclusion of parallel processors in these digital cameras to "preprocess the data immediately after it is generated by a charge coupled device," says a spokesman for Salvador Imaging Inc., of Colorado Springs, Colo.
White rot fungus is used in a preprocess step to break down the lignin in the wood cell wall structure.
The new version provides direct access to GIS native files and to multiple data formats, enabling users to create custom maps without having to preprocess data.