All Questions
Tagged with algorithm interpolation
6
questions
2
votes
1
answer
235
views
What is a common approach to smooth structures in textures?
I have a screen-aligned texture resulting from multiple rendering passes. It looks about this:
I want the edges to appear smoother than they do now (but still keep their characteristic shape). When ...
- 165
6
votes
1
answer
554
views
Image rescaling algorithm
Suppose I have to use bilinear interpolation to rescale image. I more or less understand how enlargement works in case of integer scale factor.
But what to do with non-integer scale and especially ...
- 163
3
votes
1
answer
383
views
Find closest point on surface interpolated by 2d matrix of points
I have rectangular matrix of 3d points sampled from a parametric surface. In my program this matrix provides base points for bilinear interpolation of surface (In any (u,v) point it returns 3d point ...
- 393
5
votes
1
answer
2k
views
Is there a way to interpolate color across the line with only integer calculation ?`
Here is my function that does interpolation
...
user3437
4
votes
2
answers
1k
views
Linear interpolation on Plane (Marching Cubes)
Let's assume I have the following cube.
Let's assume the isovalue = 0. I would like to draw the resulting triangles of the isosurface.
I know that first I define which values are inside or outside ...
- 423
5
votes
1
answer
2k
views
Which interpolation algorithm does MS Paint on Windows 7 use for image rescaling?
I was about to scale this image down to 64x64 pixels:
The result I got on MS Paint on Windows 7 was surprisingly good (i.e. crisp edges):
, whereas scaling it with GIMP resulted in for cubic and ...
- 151