March 2020
Intermediate to advanced
366 pages
9h 8m
English
book
OpenCV 4 with Python Blueprints - Second Edition
by Dr. Menua Gevorgyan, Michael Beyeler (USD), Arsen Mamikonyan, Michael Beyeler
Content preview from OpenCV 4 with Python Blueprints - Second Edition
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Exploring ways to vary exposure
As we discussed earlier in this chapter, modern Digital Single Lens Reflector cameras (DSLRs), and other digital cameras as well, have a fixed sensor grid (usually placed as a Bayer filter), which just measures the light intensity of the camera.
I bet you have seen the same camera used to capture beautiful night pictures where the water looks like a silky cloud and stills that sports photographers have taken of a player at full stretch. So how can they use the same camera for such different settings and get results that we see on the screen?
When measuring the exposure, it's really hard to measure the luminance that is being captured. It's a lot easier to measure relative speed instead of measuring luminance ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.