User`s guide

Version 2.8 (R2009b ) Video and Image Processing Blockset™
Variable Size Da
ta Support
Several Video an
d Image Proce ssing Blockset™ blocks now support changes
in signal size du
ring simulation. The following blocks support variable size
data as of this re
lease:
• Draw Shapes
• Draw Markers
• Blob Analysis
• Find Local Maxim
a
• Corner Detectio
n
• Hough Lines
Expanded From Mu
ltimedia File Block to Support
Additional Vid
eo Codecs
This release in
troduces an expanded From Multimedia File block to w ork with
awidervariety
of codecs. T he block now has more capability to work with the
codecs that ou
tput YCbCr color data only. These codecs exist in MPEG-2
encoded files
, and se vera l other video file types.
Enhanced Demo
s
The Video Stab
ilization an d Panorama Creation demos now take advan tage o f
the new Templa
te Matching block.
Enhanced demo
s updated to take advantage of the new variable size signal
capabilitie
s:
• Tracking Car
s Using Background Estim ation
• Tracking Car
sUsingOpticalFlow
• Cell Countin
g
• Object Count
ing
• Pattern Matc
hing
• Color Segmen
tation
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