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Test Targets 6.0: a Collaborative Effort Exploring the Use of Scientific Methods for Color Imaging and Process Control Robert Chung [email protected]

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Test Targets 6.0: a Collaborative Effort Exploring the Use of Scientific Methods for Color Imaging and Process Control Robert Chung Rycppr@Rit.Edu Rochester Institute of Technology RIT Scholar Works Books 2006 Test Targets 6.0: A Collaborative effort exploring the use of scientific methods for color imaging and process control Robert Chung [email protected] Franz Sigg Dimitrios Ploumidis Henry Freedman Matthew Rees See next page for additional authors Follow this and additional works at: https://scholarworks.rit.edu/books Recommended Citation Chung, Robert, Franz Sigg, Dimitrios Ploumidis, Henry Freedman, Matthew Rees, Michael Riordan, Fred Hsu, and Doug Caruso. Test Targets 6.0, A collaborative effort exploring the use of scientific methods for color imaging and process control. Rochester, NY: RIT School of Media Sciences, 2006. https://scholarworks.rit.edu/books/75. This Full-Length Book is brought to you for free and open access by RIT Scholar Works. It has been accepted for inclusion in Books by an authorized administrator of RIT Scholar Works. For more information, please contact [email protected]. Authors Robert Chung, Franz Sigg, Dimitrios Ploumidis, Henry Freedman, Matthew Rees, Michael Riordan, Fred Hsu, and Doug Caruso This full-length book is available at RIT Scholar Works: https://scholarworks.rit.edu/books/75 T est A School of Print Media Publication T Rochester Institute of Technology argets 6.0 Rochester, NY, USA Copyright 2006 RIT Test Tar ge ts 6 .0 Test Targets 6.0 A collaborative effort exploring the use of scientifi c methods for color imaging and process control RIT School of Print Media, November 2006 © Copyright 2006 School of Print Media, Rochester Institute of Technology Printed at RIT in Rochester, New York, USA Table of Contents Introduction & Acknowledgments, Robert Chung ..................................................................................... ii Process Control Testing for Resolution and Contrast, Franz Sigg .........................................................................................1 Process Control for Metallic Color Printing Using Commonly Available Metrology in the Graphic Arts, Dimitrios Ploumidis .............................................7 Improving Printability on a Sheet-fed Offset Press With Continuous Dampening System Upgrade, Doug Caruso ................................................................13 Color Mangement Applications The Effect of Profiling Target Variations on Colorimetric Accuracy of Printer Profiles, Robert Chung ........................................................................19 Implementation of PDF/X-3 in Production, Michael Riordan, Robert Chung, and Fred Hsu ................25 Matching Electrophotographic Color Printing to Offset Lithography - Color Measurement Targets Perform Magic, Henry B. Freedman ...........................................................33 Quality Assurance Bridging Traditional and Digital Printing Standards, Matthew Rees and Robert Chung .......................37 Gallery of Visual Interest Pictorial Color Reference Images ............................................................................................................... 42 Δ Δ E*ab vs. E*00 .............................................................................................................................................. 46 Handling Problem Images: Shadow/Highlight Adjustment .....................................................................48 Bit Depth .......................................................................................................................................................50 Effect of Monochrome Image Reproduction .............................................................................................51 Grey Component Replacement ...................................................................................................................52 Test Forms IT8.7/3 Target (basic) .................................................................................................................................. 54 Pictorial Reference Images ..........................................................................................................................55 Synthetic Targets ..........................................................................................................................................56 Total Area Coverage Chart (TAC) ..............................................................................................................57 Monochrome Test Target ............................................................................................................................58 Color Sequence Target .................................................................................................................................59 GRACoL P2P Test Target ........................................................................................................................... 60 Grey Balance Chart ......................................................................................................................................61 IT8.7/4 (Random) Test Target - CMYK Ink Sequence ..............................................................................62 IT8.7/4 (Random) Test Target - KCMY Ink Sequence ..............................................................................63 IT8.7/4 (Visual) Test Target ........................................................................................................................ 64 Press Run Organizer ....................................................................................................................................65 About the Authors ................................................................................................................. 68 i Introduction & Acknowledgments Robert Chung Test Targets 6.0 was published in November, the time of Process Control autumn harvest. Like planting that involves planning, There are three papers published under the heading of seeding, irrigating, growing, weeding, and harvesting, I like process control. My colleague, Franz Sigg, provides insight to take the opportunity to describe the publishing process into the measurement of resolution and contrast. Through where ideas, knowledge, people, resources, and supports his writing, you will gain an understanding as to why AM all came together. In doing so, I want to acknowledge screen ruling of 150 lpi has been a de facto standard; and those who helped make the sixth edition of Test Targets how contrast and resolution are related to each other. a reality. Dimitrios Ploumidis, an alumnus of Test Targets 5.0, wrote the second paper. When Wandee Poolpol of Eckart America Planning & Distribution hosted the metallic pigments manufacturing plant tour at When farmers contemplate what to plant, they think about its Painesville, Ohio facilities in April 2006, Dimitrios factors such as what to grow, soil, weather, water, yield, etc. was able to explore process control issues in metallic There is a small group of people who drive the Test Targets color printing using commonly available measurement publication. When we contemplate what to publish, we methods. Doug Caruso, an alumnus of Test Targets 4.0, know that content is focused on printing process control, wrote the third paper. Knowing ink-and-water balance is color management, and quality assurance; we search for key to temporal consistency of a sheet-fed offset press, he new ideas, listen to suggestions, and push the boundary discusses his process improvement effort with the use of the farther out; we know the importance of peer review to continuous dampening system in his printing company. demonstrate excellence in research and scholarship. When farmers consider what it takes to plant, they think Color Management about factors such as manpower, tools, investment, etc. There are three papers published under the heading of color When we consider what it takes to publish, we know the management. Being curious to learn if different profile manpower involves faculty, staff, students, and alumni target layouts and patch sizes would impact colorimetric as authors and print production personnel; we know accuracy of printer ICC profiles, I approached the problems the importance of administrative support and financial by first finding out spatial uniformity of a device and then assistance; we know the importance of internal and external simulating color accuracy with the use of ColorThink 3.0 supports. Pro. The second paper, entitled “Implementation of PDF/ Farmers sell their produces to the public. We use X-3 in Production,” was co-authored by my colleagues Test Targets as course materials and give them away as Michael Riordan, Fred Hsu, and I. We performed a number mementos to visitors on campus. We also distribute them of PDF/X-based workflow experiments using NexPress free-of-charge at a few selected printing and publishing and its NexStation RIP as the testing bed. The findings industry events. are both documented and illustrated in this issue of Test Targets. The author of the third color management paper is In This Edition Henry Freedman, an RIT graduate in the 1970s. It was his Test Targets is a collection of scholarly papers contributed Technology Watch Newsletter that first demonstrated color by faculty, students, and alumni of Rochester Institute of match between digital color printing and offset. We invited Technology. We realize the importance of having faculty him to share his experiences with the readers while we put set examples as authors for students to follow. We have a together a test page
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