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Preview: ITU Publications : Test charts

ITU Publications : Test charts





Last Build Date: Mon, 23 May 2016 15:13:42 GMT

 



Test Chart No. 6: 4-colour printing facsimile test chart 4CP01 (ITU-T Recommendation T.23)

Sat, 01 Jan 1994 00:00:00 GMT

Test Chart No. 6: 4-colour printing facsimile test chart 4CP01 (ITU-T Recommendation T.23)
302 × 222 mm full colour chart printed from 4-colour separation negatives, containing a complete range of patterns, textures, shadings and bright and pastel colours.



Test Chart No. 5: Continuous tone facsimile test chart CT01 (ITU-T Recommendation T.22)

Fri, 01 Jan 1993 00:00:00 GMT

Test Chart No. 5: Continuous tone facsimile test chart CT01 (ITU-T Recommendation T.22)
279 × 216 mm gray scale chart containing several strips and patches of various gray scale levels, and two photographs.



Standardized digitized image set on CD-ROM - (ITU-T Recommendation T.24)

Thu, 01 Jan 1998 00:00:00 GMT

Standardized digitized image set on CD-ROM - (ITU-T Recommendation T.24)
This digitized test chart set is an integral part of Recommendation T.24 and is published with it. This set of 409 Mbytes of images digitized with different resolutions includes:
- eight black and white ITU-T reference pages (the "CCITT images");
- test chart No. 4 (BW01);
- one legibility test chart;
- seven bi-level half-tone images made by processing gray-scale images with different algorithms;
- test chart No. 5 (CT01);
- two gray-scale images;
- test chart No. 6 (4CP01);
- 14 colour images with different resolutions and in different colour spaces (YUV, CMYK, RGB, CIELAB);
- low-contrast gray-scale images.
(Paper + CD-ROM)



Test Chart No. 4: Black and white facsimile test chart BW01 - (ITU-T Recommendation T.22)

Wed, 29 Jun 2005 15:26:14 GMT

Test Chart No. 4: Black and white facsimile test chart BW01 - (ITU-T Recommendation T.22)
302 × 222 mm high contrast bi-level chart containing text in a variety of languages and pitches and various black and white patterns.