Graphics Programs Reference
In-Depth Information
Chapter 4. Image
Manipulation
Techniques
This chapter explains the different image manipulation nodes and their utilization pro-
cedures that are available in Blender Compositor. These nodes play a major role in
attaining the desired look. The following is a list of topics covered in this chapter:
• The Bright/Contrast node
• The Hue Saturation Value node
• The Color Correction node
• Significance of Gain, Gamma, and Lift
• Significance of Midtones, Highlights, and Shadows
• The RGB Curves node
• The Color Balance node
• The Mix node
• The Gamma node
• The Invert node
• The Hue Correct node
• Transformation nodes
Understanding image manipulation
Image manipulation is the main phase for establishing a predetermined look in com-
positing. This stage mostly involves grading, merging, transforming, and resizing of
the footage to achieve the desired look of the film. Blender Compositor is equipped
with various tool nodes to perform these tasks.
The Bright/Contrast node
The brightness of an image signifies the amount of light that is reflecting or radiating
from it. Increasing or decreasing the brightness of a node proportionally changes the
light reflection intensities of the input image as shown in following screenshot:
