HOME  |  NEWS  |  BLOGS  |  MESSAGES  |  FEATURES  |  VIDEOS  |  WEBINARS  |  INDUSTRIES  |  FOCUS ON FUNDAMENTALS
  |  REGISTER  |  LOGIN  |  HELP
Comment
jbswindle
User Rank
Silver
Re: March 19 - Day TWO: Interfacing to and Processing Data From Image Sensors
jbswindle   3/19/2013 2:28:53 PM
NO RATINGS
What about correction for optical, mechanical, and pixel vignetting effects?  In analog days this kind of shading error was corrected with scaled parabola signals added to the baseband video at horizontal and vertical rates.  Gradient shading errors were corrected with scaled saw tooth addition at horizontal and vertical rates.  What, if anything, is done in the digital domain to correct shading errors?

vignetting



Partner Zone
Latest Analysis
A Finland-based company has introduced what it claims is the first smart door lock that can be powered from energy harvested from a mobile device.
This charts show the pros and cons of five drive-train technologies.
A UK-based consortium comprised of the Centre for Process Innovation, Merck, and Polysolar are working on a design for integrated photovoltaic windows.
A new development kit expedites proof-of-concept for applications requiring an ultra-thin force or pressure sensor.
A researcher from The Ohio State University has designed objects that harness vibrations from the movement of swaying buildings or bridges to provide alternative energy.
More:Blogs|News
Quick Poll
The Continuing Education Center offers engineers an entirely new way to get the education they need to formulate next-generation solutions.
Jan 11 - 15, Designing ARM Devices Using Segger Tools
SEMESTERS: 1  |  2  |  3  |  4  |  5  |  6 |  7 | 8 | 9


Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.
Learn More   |   Login   |   Archived Classes
Twitter Feed
Design News Twitter Feed
Like Us on Facebook

Technology Marketplace

Copyright © 2016 UBM Canon, A UBM company, All rights reserved. Privacy Policy | Terms of Service