Tech Notes
Topics Related to Image Quality
A comparison with currently established geometric calibration methods
Light source KPIs
Separating SD, HD, Full HD, 4K and 8K
How to convert between sRGB and CIEXYZ
Fast spectral sensitivity measurement without a lens
ISO published new resolution standard for a good reason!
Visual noise – The difference in implementation
Consumer cameras and their HDR mode – What are they doing?
Noise: SNR vs. visual noise
Photometric measurements of LED light sources
How to deal with "unusual" SFR/MTF results?
Room requirements for a camera test stand
What is the advantage of a mechanical shutter when dimming a light source?
Linearization in detail – Three different ways to linearize images
Keep it secret – How to clean an image before sending it into the world
Color spaces – REC.709 vs. sRGB
Color rendering index (CRI)
Siemens stars and maximum pixel count
Converting bit – Stream images
Resolution measurement – What is the difference between different methods
Have a look at the details: the open source RAW-converter DCRAW
Precise contrast range measurement of digital cameras