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Semi-automatic image registration control for a digital copier
Semi-automatic image registration control for a digital copier
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机译:数字复印机的半自动图像套准控制
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摘要
In a digital copier having an input scanner and a printer, image placement or magnification errors which relate to the input scanner can be corrected in copies made at the printer. A person feeds into the input scanner a special test pattern sheet. The copy of the test pattern may exhibit readily-detectable image defects, manifest as "readings" which the user can communicate to the computer, such as through a user interface. A control system in the computer can take the readings and use them to correct attributes of prints made in subsequent copying operations.
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