Method and device for picture inspection
专利汇可以提供Method and device for picture inspection专利检索，专利查询，专利分析的服务。并且PURPOSE: To mask an edge part for correction of a shift of position of a picture and to perform the inspection of pictures, by comparing the high-quality picture data with the edge picture data and utilizing one having larger value of both data to form the reference picture data.
CONSTITUTION: A camera 1 obtains the picture data out of an original and applies it to a memory M1 or M2 vua a switch circuit SW1 after digital conversion. The high-quality picture data supplied from the memory M1 undergoes the edge masking process and is applied to the memory M2. While the memory data of both memories are compared with each other by a comparator 4 for each picture element density. The data having larger value is stored in the memory M1. Then the difference between both data is detected by an arithmetic circuit 5 for each picture element density and stored in the memory M2. The output of the M2 is applied to a picture element number detecting circuit 6, and the number of picture elements is detected in response to a deciding level signal. The result of this detection is stored in a reference data memory circuit 28 or an inspection data memory circuit 9 via a switch circuit SW2. The storage contents of both circuits 8 and 9 are fed to a deciding circuit 10 for decision of picture quality.
COPYRIGHT: (C)1986,JPO&Japio，下面是Method and device for picture inspection专利的具体信息内容。
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