发明名称 |
Method of determining and correcting processing state of photosensitive material based on mahalanobis calculation |
摘要 |
The state of a photosensitive material processing solution is easily determined from values of multi-dimensional analysis by utilizing Mahalanobis distance. The Mahalanobis distance is calculated, and a determination is made as to whether or not the Mahalanobis distance is greater than or equal to a threshold value. If the Mahalanobis distance is less than the threshold value, the processing solution is determined to be normal, the Mahalanobis distance is displayed on a display unit, and a determination is made as to whether or not the number of sets m of normal values has become greater than or equal to a predetermined value m0. If m>/=m0, data of the characteristic values in the oldest set in a time series is deleted, and a set of data of newly detected characteristic values is added to calculate the Mahalanobis distance and update a database. If the Mahalanobis distance is greater than or equal to the predetermined value, a developing solution is determined to have become abnormal, the degree of abnormality is displayed, factors which caused the abnormality are determined, a corrective measure is determined on the basis of a combination pattern of factors, and the measure is displayed.
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申请公布号 |
US6117601(A) |
申请公布日期 |
2000.09.12 |
申请号 |
US19990328592 |
申请日期 |
1999.06.10 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
KANAZAWA, YUKIHIKO;KISHIMOTO, SHINZO;OKAMOTO, JUN;ISHII, YOSHIO;FUJITA, YOSHIHIRO |
分类号 |
G03D13/00;G05B23/02;(IPC1-7):G03F9/00 |
主分类号 |
G03D13/00 |
代理机构 |
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