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At present, 59 Institute of Ordnance Industry, Natural Environment Test Center analysis by manual observation analysis method to evaluate the corrosion characteristics of the material surface . Artificial method of observational analysis due to the differences and experience factors , on the one hand, is difficult to guarantee the reliability of the results of the evaluation , on the other hand , in the context of the computer information age , it is difficult to adapt to quantitative computer information processing . The digital images with higher resolution , can directly reflect the material surface corrosion characteristics , image processing and analysis by corrosion characteristics can effectively evaluate the corrosion characteristics . Digital image processing and analysis method has the advantages of high accuracy , speed . In this paper, digital image processing technology into the evaluation and analysis of the corrosion characteristics , a corrosion characteristics of the image analysis system . The system includes the image preprocessing , image segmentation and analysis of corrosion characteristics parameters measurement module . Image pre-processing module , the main achievement of the various image enhancement algorithms to improve image quality , the emergent image in the target , easy to follow segmentation processing ; easily lead to split image segmentation , through the analysis of traditional watershed algorithm , improved handling , eliminate excessive segmentation of images of the material surface corrosion characteristics , accurately extract the material surface corrosion characteristics , while adding the region of interest segmentation processing , and human-computer interaction function , split in order to improve the flexibility and adaptability ; analysis module in the corrosion characteristic parameter measurement , the statistical analysis, and measurement of the corrosion characteristics of the extracted , the parameter information of the number, size, size, etc. of the corrosion characteristics , and then evaluated according to the evaluation criteria of the corrosion characteristics . The material surface corrosion characteristics of image analysis system to achieve the function of feature extraction , statistical analysis and evaluation of the material surface corrosion compared with manual observation analysis method is an efficient, accurate and fast and convenient features , at the same time , reduce the influence of human factors evaluation results more accurate and reliable , and more suitable for quantitative treatment . Achieved good results in the testing and practical application of project personnel .
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