How to sharpen photos to reveal important details
You probably know the term "Sharpen" in the field of photography. Sharpness combines two factors. One is resolution. The higher the resolution of the image, the sharper it is. Another factor is acutance. It is a measure of the contrast at an edge. The more contrast the edge has,...
How to compress the high dynamic range of an image
Dynamic range in photography is interpreted as the measurement between the lowest and highest values of luminance. LDR is short for low dynamic range. Plenty of images you see on the internet are LDR images. Their ratio of max luminance to min luminance may not reflect the scenes in...
How to adjust the shadows and highlights of the photo
You are charmed by the scene before you and want to get a photograph of it. But maybe whatever you do, the photo won't come out right. Some parts of the photo are slightly washed out or some parts are too dark. This is because the camera is only...