Monthly Archives: September 2012

256 Shades of Grey: The Story of Shot Noise, Part 1

Sep 18, 2012

People use the term image noise somewhat loosely to capture any non-ideality that detracts from the “ideal” image. Contributors to noise include fixed pattern noise (FPN), photoresponse nonuniformity (PRNU), temporal random read noise, and even artefacts like electronic exposure control … Continue reading

Posted on by Eric F in Machine Vision | Tagged , , , , , , | 1 Comment

Spectral Cognisance 2 – How White are your Whites?

Sep 12, 2012

In my first post in this series I started at the beginning of this story. We have seen that the optical path and the sensor itself modulate the effective spectrum that is available to generate signal for an image sensor. Filtering, … Continue reading

Posted on by Matthias in CMOS, Image Sensors, Machine Vision | Tagged , , , , | Comments Off on Spectral Cognisance 2 – How White are your Whites?

Fields of Technology for Machine Vision – Part 2

Sep 6, 2012

In my last post, I discussed technology names related to machine vision, to help you navigate this business. To recap, this Venn diagram illustrates computer vision’s focus on general vision algorithms and machine vision’s practical application of these and other … Continue reading

Posted on by Ben in Image processing, Machine Vision, Software | Tagged , , , | Comments Off on Fields of Technology for Machine Vision – Part 2