An original volume marking machine and a marking method

Abstract

The invention discloses an original volume marking machine and a marking method. The marking machine comprises an image acquisition module, an image preprocessing module, a marking trace image generation module and a printing device. The image acquisition module obtains the pattern content of the paper test paper to be printed. The image preprocessing module denoises, shapes and rectifies the collected images. The image recognition judging module recognizes the obtained pattern and judges according to rules; the network communication module exchanges data with the background through the network. A print image generation module generates a print pattern according to the recognition judgment result; the printing device prints the generated pattern onto the base paper. The advantage of the present invention is that the print pattern is determined by the printer from the pattern entering the paper before printing the paper, and the pattern is only suitable for the content of the paper at present. The invention solves the problem that the corresponding marking trace is left according to different filling contents on each test paper under the marking scene.

Description

technical field [0001] The invention relates to the field of automatic review and printing marks, in particular to a marking machine and a marking method for leaving marks on original rolls. Background technique [0002] In addition to the traditional manual marking method by teachers, the current mainstream marking method also has an online marking method, that is, the teacher conducts marking on the computer, and students log in with their accounts to see the electronic version of the marking papers. However, this online marking method has an obvious flaw, that is, there is no marking mark left on the students' original papers. This kind of unmarked original papers brings inconvenience to the teacher's explanation of the test papers after the test and the students' subsequent review. Although the teacher's manual marking can leave marks on the original paper, it increases the teacher's workload for correcting the test paper. [0003] Traditional printers generally can onl...

AI Technical Summary

Problems solved by technology

[0004] In the scene of printing test paper marking marks, we will encounter a completely different problem: even for the same test paper, the pattern of each test paper will be different because of the students’ answers on it. The marking patterns should also be different, and there is a one-to-one correspondence between the marking marks and the student's original paper, that is, the marking marks of a certain test paper must be printed on the test paper to be considered correct

[0005] Therefore, in order to reduce the teacher's marking workload, it is meaningful to design a marking machine that leaves marks on the original paper. However, the working process of such a marking machine is quite different from that of ordinary printers, so it cannot be completed by using existing printers. redesign

Images