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SUMMARY:Capturing Accurate Colour Images - Prof. Joel Trussell\, North Car
 olina State University 
DTSTART:20151029T140000Z
DTEND:20151029T150000Z
UID:TALK61362@talks.cam.ac.uk
CONTACT:Prof. Ramji Venkataramanan
DESCRIPTION:Colour images are much more than three bands of red\, green an
 d blue. The sensation of colour is the result of our sensing of the energy
  within the visible band from about 380nm to 730nm in wavelength. In order
  to capture the information required to reproduce the colour sensation of 
 the objects under varying illuminations\, we need an accurate spectral est
 imate obtained from measurements obtained by the camera. I will briefly re
 view the colour science needed to understand what is needed for accurate c
 olour capture. Then\, I will discuss how sparsity and compressed sensing m
 ay be used to obtain the spectral estimates at the accuracy required for q
 uality control of colour imaging applications.
LOCATION:LR3B\, Cambridge University Engineering Department
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