Abstract
As all kinds of self-contained display products have become popular, various technologies for improving printing applications have gradually been ignored or even stagnated. However, the number of printed matters in life has not decreased. Every day our lives are full of various printed materials, such as newspapers, magazines, leaflets, product packaging, and so on. The waste and pollution caused by printing technology are usually recessive, and not everyone values it. Unfortunately, people often overlook the waste of resources and environmental pollution caused by the manufacturing process, ink, toner, and printers. The method proposed in this paper uses a color difference model to find a manner that is not easy to notice by the human eye to save ink. The proposed method considers feasibility and practicability, and users can quickly find suitable settings for their applications. Also, through the actual printed pictures, the experimental results show that only 67.57% of the original ink consumption is required to obtain an equivalent print quality that is difficult to perceive by the human eye. Our proposed method will benefit the printing industry and reduce ink consumption on consumer printers, contributing to cost control and being nature-friendly.
Highlights
T HE printing industry has stepped up its pace in mass manufacturing and printing to meet various daily needs
According to the market report by Smithers Pira, the global printing industry is expected to reach $821 billion by 2022 [1]. Another market forecasting report shows that the printing ink consumption by volume is expected to increase by 9%, from 3.3 million metric tons in 2013 to 3.6 million metric tons in 2023 [2]
Because of the rapid development of digital imaging technology, people have become more sensitive and demanding on the color reproduction and vividness of printed matter. This has prompted the printing industry to progress towards increasing production capacity and developing new printing consumables
Summary
T HE printing industry has stepped up its pace in mass manufacturing and printing to meet various daily needs. The halftone methods highly depend on the background technology of the printing device These methods are difficult to promote and apply even if their ink-saving effect is good. A. CONVENTIONAL METHODS The most popular ink-saving algorithms in printing technology are GCR and UCR. Some classic toner-saving algorithms (e.g., the Gray Component Replacement approach, the Under Color Removal approach, and the Under Color Addition approach) can be applied while converting these color images to specific hardware-dependent CMYK color space. This research aims to reduce the usage rate of ink or toner in printing based on the perception of the human eye. This offline process is designed to improve the application performance of our proposed method. Many figures will be given to illustrate the processing effect
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