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The development of methods for the reproduction in continuous tone of digitally printed colour artworks (2017)
Thesis
McCallion, P. The development of methods for the reproduction in continuous tone of digitally printed colour artworks. (Thesis). University of the West of England

Advances in printing technologies in the late 19th century led to the development of half-toning techniques enabling the economical reproduction of photographic images in print. Whilst undoubtedly successful in low cost high volume image reproduction... Read More about The development of methods for the reproduction in continuous tone of digitally printed colour artworks.

Reproduction of 16th century multi-colour Chiaroscuro Woodblock Prints using digital technologies (2017)
Presentation / Conference
Parraman, C., Olen, M., Ortiz-Segovia, M., Baar, T., & McCallion, P. (2017, September). Reproduction of 16th century multi-colour Chiaroscuro Woodblock Prints using digital technologies. Poster presented at Blocks Plates Stones Conference

Inspired by 16th century multi colour Chiaroscuro Woodblock Prints, we have sought to develop methods to recreate blocks from existing onscreen images or from printed facsimiles, by measuring colours and colour separation methods to create individual... Read More about Reproduction of 16th century multi-colour Chiaroscuro Woodblock Prints using digital technologies.

An exploration of alternative computer aided methods for multi-colour woodblock printing (2015)
Book Chapter
Parraman, C., Olen, M., Baar, T., Vortiz Segovia, M., & Mccallion, P. (2015). An exploration of alternative computer aided methods for multi-colour woodblock printing. In A. Tsekova, L. Ballantyne, C. Andrei, & A. McInnes (Eds.), IMPACT 9 International Printmaking Conference, 309-314. China Academy of Art Press

Inspired by the traditional Chiaroscuro woodblock printing techniques of the 16th century, we have explored the use of producing relief print impressions as a means to evaluate the surface rendered with 2.5D and 3D printing technologies. This work b... Read More about An exploration of alternative computer aided methods for multi-colour woodblock printing.

An exploration of low relief structure printing through the development of a novel full colour continuous tone plastographic printing method (2014)
Presentation / Conference
Mc Callion, P. (2014, October). An exploration of low relief structure printing through the development of a novel full colour continuous tone plastographic printing method. Paper presented at Fifth International Conference on the Image

A traditional halftone print is created by translating the image into a series of dots of various sizes that convey the illusion of tone when printed. The carbon process and the Woodburytype process are a special kind of continuous tone image known a... Read More about An exploration of low relief structure printing through the development of a novel full colour continuous tone plastographic printing method.

Continuous tone printing in silicone from CNC milled matrices (2014)
Journal Article
Hoskins, S., & McCallion, P. (2014). Continuous tone printing in silicone from CNC milled matrices. Proceedings of SPIE, 9018, https://doi.org/10.1117/12.2043123

Current research at the Centre for Fine Print Research (CFPR) at the University of the West of England, Bristol, is exploring the potential of creating coloured pictorial imagery from a continuous tone relief surface. To create the printing matrices... Read More about Continuous tone printing in silicone from CNC milled matrices.

The development of methods for the reproduction of texture in digitally printed artworks (2014)
Book Chapter
McCallion, P. (2014). The development of methods for the reproduction of texture in digitally printed artworks. In P. L. Harrison, E. Shemilt, & A. Watson (Eds.), Borders and Crossings: The Artist as ExplorerDuncan of Jordanstone College of Art and Design, University of Dundee

Currently the reproduction of digitally printed works is divided between onscreen (RGB) representation of colour and the colorimetric translation through an imaging pipeline to a printing device (CMYK). As computational models for image analysis are... Read More about The development of methods for the reproduction of texture in digitally printed artworks.

Reproduction of texture in digitally printed artworks (2013)
Presentation / Conference
Hoskins, S., Parraman, C., Mccallion, P., & Cohen, C. (2013, July). Reproduction of texture in digitally printed artworks. Paper presented at AIC 2013

This paper considers alternative approaches to image making and printing that moves from the on-screen representation of images and painting applications, to the physical generation and methods for surface deposition or 2.5D printing. The research in... Read More about Reproduction of texture in digitally printed artworks.

The development of methods for the reproduction of texture in digitally printed artworks (2013)
Presentation / Conference
Mccallion, P. (2013, April). The development of methods for the reproduction of texture in digitally printed artworks. Paper presented at Computers in Art and Design Education (CADE) Conference

In a digital age where artists and printers are required to learn a wide range of skills, from graphic design to colour science, is it possible to return to a more artistic application of colour, tone and texture with a mechanically printed image usi... Read More about The development of methods for the reproduction of texture in digitally printed artworks.

Continuous tone colour printing in two and a half dimensions through a combination of 19th century analogue methodologies and 3D printing (2013)
Book Chapter
Hoskins, S., & Mccallion, P. (2013). Continuous tone colour printing in two and a half dimensions through a combination of 19th century analogue methodologies and 3D printing. In F. Masahiko, & B. Lozo (Eds.), NIP29 29th International Conference on Digital Printing Technologies Digital Fabrication 2013 Technical Programme and Proceedings, 244-248. Society for Imaging Science and Technology

This paper proposes a contemporary method of continuous tone colour printing based upon the Nineteenth Century printing process of Woodburytype as developed by Walter Bentley Woodbury in 1865. Woodburytype was the only truly continuous tone printing... Read More about Continuous tone colour printing in two and a half dimensions through a combination of 19th century analogue methodologies and 3D printing.

Generation of texture in continuous tone digital images (2012)
Presentation / Conference
Mccallion, P. (2012, December). Generation of texture in continuous tone digital images. Poster presented at Institute of Physics IOP Printing and Graphics Science Group Annual Student Conference

In a digital age where artists and printers are required to learn a wide range of skills, from graphic design to colour science, is it possible to return to a more artistic application of colour, tone and texture with a mechanically printed image usi... Read More about Generation of texture in continuous tone digital images.

The development of methods for the reproduction of texture in digitally printed artworks (2012)
Presentation / Conference
Mccallion, P. (2012, December). The development of methods for the reproduction of texture in digitally printed artworks. Presented at IOP PGS Annual Student Conference

A presentation at the IOP PGS Annual Student Conference. The IOP Printing and Graphics Science Group annual Student Conference is a day-long forum where recent work in the group's subject areas is presented.