It’s easy to set exposure by eye. We’ve all done it. The problem is that the electronic viewfinder or LCD screen on your camera does not show a 100% accurate representation of what the sensor is ...

Microsoft Excel is capable of many things, and that includes the ability to create histograms with relative ease. Not everyone knows how to create a Histogram, but there might come a time when the ...

Whether you've got a DSLR or you've turned your point-and-shoot into a super camera, those fancy features are useless if you don't understand them. Want to capture a perfectly exposed picture?

Looking for histogram basics and how to apply histogram analysis to your project? This article from Art Pini has you covered. Oscilloscopes include analysis tools like Fast Fourier Transform (FFT) and ...

For a table where the data has been grouped into equal class widths, the frequency density is proportional to the frequency. The frequency is often used for the height of the bars, and the graph is ...

RedShark Replay: One from the archives. Gone are the days when a light meter and a trained eye was enough; to do better, we need technological measures and test & measurement equipment. Traditionally, ...

A Matlab histogram shows a distribution of data grouped into regular intervals called bins. Matlab has predefined functions for creating histograms in Cartesian or polar coordinate systems. After ...