More Results

All the following images are referred in the user study, but may not be included in the paper due to the page length limit.

Ribbon

(a) Original Image ©John Wiley & Sons, Inc.

(b) Ostromoukhov method

(c) Edge enhancement

(d) Our method

Illustration "ribbon".
The resolution of all images is 367x373.

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Cat

(a) Original Image

(b) Ostromoukhov method

(c) Edge enhancement

(d) Our method

Furry "cat".
All images have the same resolution of 660X560.

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Portrait

(a) Original Image

(b) Ostromoukhov method

(c) Edge enhancement

(d) Our method

Vincent van Gogh's "Portrait".
The resolution of all images is 508x603.

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Mole

(a) Original Image

(b) Ostromoukhov method

(c) Edge enhancement

(d) Our method

A furry animal ¡°mole¡±.
Resolution of all halftone images is 726x777

Road

(a) Original Image

(b) Ostromoukhov method

(c) Edge enhancement

(d) Our method

Vincent Van Gogh¡¯s painting, ¡°Road with Cypress and Star¡±.
Resolution of all halftone images is 552x800.

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Pelican

                                (a) Original Image   ©John Wiley & Sons, Inc.

(b) Ostromoukhov method

(c) Our method

The ¡°pelican¡±.
Resolution of all halftone images is 737x664

Lion

                                    (a) Original image

(b) Ostromoukhov method

(c) Our method

The ¡°lion¡±.
Resolution of all halftone images is 800x935