Video Halftoning Demo Page
Embedded Signal Processing Lab (Director: Prof. Brian L. Evans)
Halftoning Research

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Comparison of Three Video Halftoning Methods
Sequence
 Resolution
 Frames
 Frame-rate (frames per second)
 Halftone Method for Video on Left
 Halftone Method for Center Video
 Halftone Method for Video on Right
Caltrain
 400x512 17
 15
 Frame-independent Ordered Dither (void-and-cluster [1] mask) Frame-independent Error Diffusion (Floyd-Steinberg [2])
 Gotsman [3]
Caltrain
 400x512 33
 30
 Frame-independent Ordered Dither (void-and-cluster [1] mask) Frame-independent Error Diffusion (Floyd-Steinberg [2]) Gotsman [3]
Trevor
 256x256
 49
 15
 Frame-independent Ordered Dither (void-and-cluster [1] mask) Frame-independent Error Diffusion (Floyd-Steinberg [2]) Gotsman [3]
Trevor
 256x256
 99
 30
 Frame-independent Ordered Dither (void-and-cluster [1] mask) Frame-independent Error Diffusion (Floyd-Steinberg [2]) Gotsman [3]

The grayscale versions of these videos are available at the Center for Image Processing Research (Rensselaer Polytechnic Institute). In this demo, original sequences are played back at 30 frames per second. The videos at 15 frames per second were formed by downsampling the original sequence.

Halftone Video Dirty-window-effect Evaluation
Sequence
 Resolution
 Frames
 Frame-rate (frames per second)
 Halftone Method for Video on Left
Halftone Method for Video on Right
Caltrain
 400x512
 17
 15
 Gotsman [3] Modified Gotsman
Susie
 240x352
 38
 15
 Gotsman [3] Modified Gotsman
Tennis
 240x352 75
 15
 Gotsman [3] Modified Gotsman
Garden
 240x352 30
 15
 Gotsman [3] Modified Gotsman
Football
 240x352 30
 15
 Gotsman [3] Modified Gotsman
Caltrain
 400x512 33
 30
 Gotsman [3] Modified Gotsman
Susie
 240x352 75
 30
 Gotsman [3] Modified Gotsman
Tennis
 240x352 150
 30
 Gotsman [3] Modified Gotsman
Garden
 240x352 60
 30
 Gotsman [3] Modified Gotsman
Football
 240x352 59
 30
 Gotsman [3] Modified Gotsman

The grayscale versions of these videos are available at the Center for Image Processing Research (Rensselaer Polytechnic Institute). In this demo, original sequences are played back at 30 frames per second. The videos at 15 frames per second were formed by downsampling the original sequence.


Halftone Video Flicker Evaluation
Sequence
 Resolution
 Frames
 Frame-rate (frames per second)
 Halftone Method for Video on Left
Halftone Method for Video on Right
Trevor
 256x256
 49
 15
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Susie
 240x352 38
 15
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Tennis
 240x352 75
 15
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Garden
 240x352 30
 15
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Football
 240x352 30
 15
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Trevor
 256x256
 99
 30
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Susie
 240x352 75
 30
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Tennis
 240x352 150
 30
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Garden
 240x352 60
 30
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion
Football
 240x352 59
 30
 Frame-independent Error Diffusion (Floyd-Steinberg [2]) Frame-dependent Floyd-Steinberg Error Diffusion

The grayscale versions of these videos are available at the Center for Image Processing Research (Rensselaer Polytechnic Institute). In this demo, the original sequences are played back at 30 frames per second. The videos at 15 frames per second were formed by downsampling the original sequence.

References

[1] R. A. Ulichney, “Review of halftoning techniques,” in Proc. SPIE Conf. on Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts, vol. 3963, no. 1, 1999, pp. 378–391.
[2] R. Floyd and L. Steinberg, “An adaptive algorithm for spatial grayscale,” in Proc. SID Int. Symp., Dig. Tech. Papers, 1976, p. 3637.
[3] C. Gotsman, “Halftoning of image sequences,” The Visual Computer, vol. 9, no. 5, pp. 255–266, 1993.