Computer Graphics Questions Medium
In computer graphics, interpolation is a technique used to estimate values between two known values. It is commonly used to create smooth transitions and fill in missing data. There are several types of interpolation methods used in computer graphics, including:
1. Linear Interpolation: Also known as lerp, linear interpolation calculates intermediate values by drawing a straight line between two known values. It assumes a constant rate of change between the two points.
2. Bilinear Interpolation: Bilinear interpolation is an extension of linear interpolation in two dimensions. It is used to estimate values within a rectangular grid by considering the values at the four surrounding corners.
3. Trilinear Interpolation: Trilinear interpolation is an extension of bilinear interpolation in three dimensions. It is used to estimate values within a 3D volume by considering the values at the eight surrounding corners.
4. Nearest Neighbor Interpolation: Nearest neighbor interpolation is the simplest form of interpolation. It assigns the value of the nearest known data point to the unknown point. This method is quick but can result in blocky or pixelated images.
5. B-spline Interpolation: B-spline interpolation is a more advanced technique that uses piecewise-defined polynomial functions to estimate values. It provides smoother results compared to linear interpolation and is commonly used in curve and surface modeling.
6. Bezier Interpolation: Bezier interpolation is a type of curve interpolation that uses control points to define the shape of the curve. It is widely used in computer graphics for creating smooth curves and paths.
These are some of the commonly used interpolation methods in computer graphics. The choice of interpolation technique depends on the specific application and desired results.