A histogram is a basic bar graph that visually represents some set of data. In photography, it illustrates the pixels that make up your image in a two-dimensional graph. The x-axis shows brightness, from black to white, and is the main area of concern. If the graph is spilling over th...
The left edge of the histogram is where pure black would be, while the right edge of the histogram graph is where pure white would be. In the RGB (individual red, green and blue color channels) histogram above, you can see that the image is of a firey sunrise, with lots of bright,...
There is no single ideal shape for a histogram. They are contextual and depend on subject matter. A photograph of a black cat in a dark setting will have a different histogram shape than a photo of a white rabbit on a field of snow, even if both photos have the same exposure settings....
A histogramis a graph of all the tones in your image. Every pixel in a digital photograph has a Luminosity value (that's how bright it is) of somewhere between 0 (pure black) and 255 (pure white). The histogram graphs how many pixels of each luminosity there are in the image. In t...
You can choose between 16:9, 4:3 and 1:1 video sizes so you have plenty of choices for all formats. There is manual focus assist and digital zoom if you need to get close to your subject. Another feature is the histogram so you can gauge correct exposure settings. ...
It is nothing new, every photographer has always had to learn to deal with this, since the first reflected meters in the 1930s. It is a fundamental of photography, something we need to learn. So the idea of metering on the gray card is to meter exposure independently of the subjects ...
The histogram below shows most data in the whites and highlights areas which takes up most of the image. The small peak of data in the blacks is the darkest part of her dark hair. Background and subject contrast In portrait photography the subject is the most important part of an image,...
According to the founders, the decision to create an open project was about the advancement of not only this project but photography as a whole: “We decided to make the Project an Open one because we are convinced that sharing knowledge, experience, ideas, and time is the only way to imp...
Once you’ve done a bit of research into photography, you might start to come across photographers and photography websites recommending that you shoot in “RAW”. But what is RAW in photography, and why do so many photographers recommend it?
example, you might display the average value of a variable with a line in a bar chart or use the average to divide a histogram into sections. however, remember to also consider data distribution and outliers for a complete picture. when working with big data, would i need to calculate ...