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CN-121985075-A - Dynamic image quality restoration method, dynamic image quality restoration device, storage medium, and program product

CN121985075ACN 121985075 ACN121985075 ACN 121985075ACN-121985075-A

Abstract

The present disclosure relates to the field of imaging technology, and in particular, to a method, an apparatus, a storage medium, and a program product for dynamically restoring image quality. The method comprises the steps of collecting images output to an image forming medium by an image forming device in a previous image forming period, wherein the previous image forming period is configured based on an operating mode of the image forming device, analyzing the images to obtain nozzle blocking information, wherein the nozzle blocking information is used for indicating the blocking degree of a target nozzle blocked in the previous image forming period, determining a compensation nozzle and operating parameters of the compensation nozzle based on the nozzle blocking information and the operating mode, wherein the compensation nozzle is used for compensating the image quality of a region sprayed by the target nozzle in the images, and controlling a compensation nozzle spraying region according to the operating parameters. The scheme realizes dynamic compensation of the image quality of the image in the image forming process.

Inventors

  • ZHENG JIAHUI

Assignees

  • 珠海奔图电子有限公司

Dates

Publication Date
20260505
Application Date
20260126

Claims (11)

  1. 1. A method for dynamically restoring image quality, comprising: Collecting an image output from an image forming apparatus onto an image forming medium in a previous image forming period configured based on an operation mode of the image forming apparatus; Analyzing the image to obtain nozzle blockage information, wherein the nozzle blockage information is used for indicating the blockage degree of a target nozzle blocked in the previous image forming period; Determining a compensation nozzle and working parameters of the compensation nozzle based on the nozzle blocking information and the working mode, wherein the compensation nozzle is used for compensating the image quality of a region sprayed by the target nozzle in the image; and controlling the compensating nozzle to spray the region according to the working parameters.
  2. 2. The method of claim 1, wherein determining a compensating nozzle and an operating parameter of the compensating nozzle based on the nozzle blockage information and the operating mode comprises: In the case where the nozzle clogging information indicates that the target nozzle is partially clogged, taking the target nozzle as the compensating nozzle; determining an amount of ink ejection in the operating parameter based on the nozzle blockage information and the operating mode; determining an operating time in the operating parameters based on the operating mode and the last image forming period; And determining an operating parameter of the compensating nozzle and the compensating nozzle based on the operating mode and the previous image forming period in a case where the nozzle clogging information indicates that the target nozzle is completely clogged.
  3. 3. The method of claim 2, wherein determining an operating time in the operating parameters based on the operating mode and the last image formation cycle comprises: determining the working time as a return time of the image forming device between the previous image forming period and the next image forming period under the condition that the working mode is single PASS unidirectional; And determining the working time as the next image forming period under the condition that the working mode is NPASS or single PASS is bidirectional.
  4. 4. The method of claim 2, wherein determining the compensating nozzle and the operating parameters of the compensating nozzle based on the operating mode and the last image forming cycle comprises: judging whether adjacent nozzles which are not blocked completely exist in the moving direction of the image forming medium or not under the condition that the working mode is single PASS unidirectional; if so, using the adjacent nozzle as the compensation nozzle, determining an ink jet amount in the working parameter based on the nozzle blockage information, using a return time of the image forming device between the previous image forming period and the next image forming period as the working time in the working parameter, and determining an offset distance in the working parameter based on a distance between the adjacent nozzle and the target nozzle; Otherwise, the compensating nozzle and the operating parameter are determined based on a dynamic compensation algorithm.
  5. 5. The method of claim 2, wherein determining the compensating nozzle and the operating parameters of the compensating nozzle based on the operating mode and the last image forming cycle comprises: Judging whether the compensating nozzle can be determined based on the position of the target nozzle and the total number of nozzles corresponding to each PASS under the condition that the working mode is NPASS; if yes, determining the ink jet amount in the working parameter based on the nozzle blockage information, and determining the working time in the working parameter based on the previous image forming period and the working mode; Otherwise or in the case of the operation mode being single PASS bi-directional, the compensation nozzle and the operation parameters are determined based on a dynamic compensation algorithm.
  6. 6. The method of claim 5, wherein determining whether the compensating nozzle can be determined based on the target nozzle location and the total number of nozzles for each PASS comprises: determining the position of an Mth suspected compensation nozzle based on the sum of the total number of nozzles corresponding to the first M PASSs and the position of the target nozzle, wherein the initial value of M is 1, and M < N; Judging whether the Mth suspected compensating nozzle is completely blocked or not based on the position of the Mth suspected compensating nozzle; if yes, updating M=M+1 until the Nth nozzle is completely blocked, and confirming that the compensating nozzle cannot be determined; otherwise, confirming that the compensating nozzle can be determined, and taking the Mth suspected compensating nozzle as the compensating nozzle.
  7. 7. The method as recited in claim 6, further comprising: Judging whether the Mth suspected compensating nozzle is a compensating nozzle of an excessive nozzle under the condition that the Mth suspected compensating nozzle is not completely blocked, wherein the excessive nozzle is any nozzle except the target nozzle; If yes, executing the step of updating M=M+1 until the Mth suspected compensating nozzle does not participate in the compensation of the residual nozzles, executing the step of confirming that the compensating nozzle can be determined, and taking the Mth suspected compensating nozzle as the compensating nozzle; Otherwise, executing the confirmation can determine the compensating nozzle, and taking the Mth suspected compensating nozzle as the compensating nozzle.
  8. 8. The method of claim 4 or 5, wherein determining the compensating nozzle and the operating parameter based on a dynamic compensation algorithm comprises: acquiring the theoretical color of the region sprayed by the target nozzle from the original image corresponding to the image; And inputting the nozzle blocking information and the theoretical color into the dynamic compensation algorithm to determine the ink jet data in the compensation nozzle and the working parameters.
  9. 9. An image forming apparatus comprising a memory, a processor and a computer program stored on the memory, wherein the processor executes the computer program to implement the steps of the method of any one of claims 1-8.
  10. 10. A computer readable storage medium having stored thereon a computer program/instruction, which when executed by a processor, implements the steps of the method according to any of claims 1-8.
  11. 11. A computer program product comprising computer programs/instructions which, when executed by a processor, implement the steps of the method of any of claims 1-8.

Description

Dynamic image quality restoration method, dynamic image quality restoration device, storage medium, and program product Technical Field The present disclosure relates to the field of imaging technologies, and in particular, to a method, an apparatus, a storage medium, and a program product for dynamically restoring image quality. Background In the working process of the ink-jet printer, image data transmitted from a computer to the printer is finally presented on a printing medium after a series of complex operations such as signal conversion, ink-jet imaging and the like of printing equipment. In an inkjet printer, after a long period of use, clogging of the nozzles may occur, resulting in defects in the image. In the prior art, the detection of the nozzle blockage is generally carried out before the printer prints, and the correction is carried out by means of flash spraying and the like, and the printing is carried out after the correction is carried out without problems, so the detection and the correction of the nozzle blockage in the prior art are finished before the formal printing, and cannot be compensated in real time. Disclosure of Invention The present disclosure has been made in view of the above-described problems. The present disclosure provides a dynamic restoration image quality method, apparatus, storage medium, and program product. According to a first aspect of the present disclosure, there is provided a dynamic restoration image quality method, including: Collecting an image output from an image forming apparatus onto an image forming medium in a previous image forming period configured based on an operation mode of the image forming apparatus; Analyzing the image to obtain nozzle blockage information, wherein the nozzle blockage information is used for indicating the blockage degree of a target nozzle blocked in the previous image forming period; Determining a compensation nozzle and working parameters of the compensation nozzle based on the nozzle blocking information and the working mode, wherein the compensation nozzle is used for compensating the image quality of a region sprayed by the target nozzle in the image; and controlling the compensating nozzle to spray the region according to the working parameters. Further, according to the dynamic restoration image quality method of the first aspect of the present disclosure, determining a compensation nozzle and an operation parameter of the compensation nozzle based on the nozzle clogging information and the operation mode includes: In the case where the nozzle clogging information indicates that the target nozzle is partially clogged, taking the target nozzle as the compensating nozzle; determining an amount of ink ejection in the operating parameter based on the nozzle blockage information and the operating mode; determining an operating time in the operating parameters based on the operating mode and the last image forming period; And determining an operating parameter of the compensating nozzle and the compensating nozzle based on the operating mode and the previous image forming period in a case where the nozzle clogging information indicates that the target nozzle is completely clogged. Further, according to the dynamic restoration image quality method of the first aspect of the present disclosure, determining the operating time in the operating parameters based on the operating mode and the last image forming period includes: determining the working time as a return time of the image forming device between the previous image forming period and the next image forming period under the condition that the working mode is single PASS unidirectional; And determining the working time as the next image forming period under the condition that the working mode is NPASS or single PASS is bidirectional. Further, according to the dynamic restoration image quality method of the first aspect of the present disclosure, determining the operation parameters of the compensation nozzle and the compensation nozzle based on the operation mode and the previous image forming period includes: judging whether adjacent nozzles which are not blocked completely exist in the moving direction of the image forming medium or not under the condition that the working mode is single PASS unidirectional; if so, using the adjacent nozzle as the compensation nozzle, determining an ink jet amount in the working parameter based on the nozzle blockage information, using a return time of the image forming device between the previous image forming period and the next image forming period as the working time in the working parameter, and determining an offset distance in the working parameter based on a distance between the adjacent nozzle and the target nozzle; Otherwise, the compensating nozzle and the operating parameter are determined based on a dynamic compensation algorithm. Further, according to the dynamic restoration image quality method of the first aspect of th