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Sea-dragon
Technology
Computer Society of India
Open Source
By
Sagar Patel
Karan Prajapati
Visual Technology
 Deals with pictures, and videos
 E.g. POV, Infrared, Laser, LEDs,
Famto photography, Sea-dragon
Technology, 3D, HD, etc.
Sea-dragon Technology
 Founder Blaise Ag端era y Arcas (2003)
 Named after team in Microsoft Live
Labs
 Graphics and Photos smoothly
browsed
 Microsoft Silverlight, Photosynth,
Pivot and Deep Zoom Composer
Photosynth
 Open Source Software
 Augmented Reality
 Generates a 3D Panorama from 2D
photos
 Point cloud
 Online Sharing
Photosynth
How does Photosynth work?
 Adding 2D Images (20-300)
 Identifying features
 Matching features across photographs
 Image Segmantation
 Assembly into 3D space
Photosynthing a Small Object
Capture images from maximum
possible angle
Importing images to
Photosynth
2D view
3D Panorama
Point Cloud
Sharing Photosynths
 Provides Direct Link to your Synth
 Embed Photosynth Viewer in
Webpage
Live Video Synth
Application of Photosynth
 Mapping by geo-tagging data.
 Navigation
 Augmented Reality
 Explore the model to check for any
Damage
 Virtual Earth
We have a real world outside
the window, but it will be
unprecedented if you can feel it
in Microsoft Windows!!!
Limitations of Photosynth
(In Present version)
 Synth cant be downloaded to disk
(Data stored remotely)
 Limitation of storage on server
 Computer may crunch, when images
are more than 600
Deep Zoom Composer (DZC)
 Continuous zoom in and out
 Panning through Images
 100 MP image take longer to operate
 Deep zoom algorithm reduces the
time
 DZC can operate 4 billion pixels very
quickly
Deep zoom Technology
 DZI file format(.xml/.dzi)
 Platforms: AJAX and XAML
 Sparse Images
Why Deep Zoom is Fast?
Deep Zoom Algorithm
70 Giga Pixel Image
First level of Zoom
2nd Level of Zoom
3rd Level of Zoom
Deep Zoom Advanced
Codeing
XAML (Adding Interactivity to DZI)
<MultiScaleImage
x:Name="deepZoomObject"
Source="source/dzc_output.xml"
MouseEnter="DeepZoomObject_Mou
seEnter" />
Applications of Deep Zoom
 Google Earth
 Universe Navigation
 World wide Telescope
 Environment for newspapers and
magazines
 Human can understand the real
meaning of picture
A Picture May Tell A Thousand
Words,
But How Many Of Those Words Are
Fair And True?
Sea dragon technology
? ? ? ?

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