How to read a histogram is one of the first things I teach people when I do workshops if they don’t already know how to do it. The reason is because the way the histogram looks dictates how you adjust the exposure in a certain situation. By reading the histogram, you know if the p...
How to read the Histogram A histogram is a graphical representation of the pixels exposed in your image. The left side of the graph represents the blacks or shadows, the right side represents the highlights or bright areas and the middle section is mid-tones (middle or 18% grey). How high...
原文地址:https://flowingdata.com/2014/02/27/how-to-read-histograms-and-use-them-in-r/ The histogram is one of my favorite chart types, and for analysis purposes, I probably use them the most. Devised by Karl Pearson (the father of mathematical statistics) in the late 1800s, it’s ...
That’swhy photographers love histograms so much, and why learning how to use a histogram is essential. If you can read a histogram, you can quickly and accurately check the exposure of your image while out in the field or when editing at home. How to read a histogram: step by step As...
View brightness levels, tones, and color intensity all in one place. Learn to read the histogram graph on your camera or in photo editing software to help enhance photo details. Explore Lightroom JUMP TO SECTION What is a histogram How your camera’s histogram can help ...
This means you read the two chart types differently. The bar chart is for categories, and the histogram is for distributions. The latter lets you see the spread of a single variable, and it might skew to the left or right, clump in the middle, spike at low and high values, etc. Natu...
detail in the highlights or shadows so we know where we're starting from and what we're dealing with. Bottom line, if you're retouching or restoring images and don't know how to read and understand what the histogram is telling you, then you and your photos are at a serious ...
Read on to Color Histograms after you read this. Contrary to your camera manual, the histogram doesn't have to be in the middle. Black cats in coal mines may only use the left half. Snow scenes may only use the right half.The critical thing for which a histogram is helpful is to ...
software-specific advice on histograms. How to Visualize and Compare Distributions If the histogram isn’t doing it for you, there areother ways to see distributions.
Nikons have had a dirty little secret for years. All the earlier digital SLRs, which means the D1X, D50, D100, D70s, etc., only read a histogram for the green channel! These cameras completely ignored red and blue! This is easy to see: pull up the image in Photoshop and compare to...