Questions tagged [computer-graphics]
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Why are point clouds useful for large datasets of geometries?
In my computer graphics course I came across this "pro" for point clouds:
Useful for large datasets (>> 1 point / pixel)
I'm trying to wrap my head about it, I know drawing is ...
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27 views
can similarity transformation be linear transformation?
Learning Computer Graphics -
Can similarity transformation be linear transformation?
Similarity T is a rigid transformation (translation and rotations) with uniform scaling.
so I guess a similarity ...
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9 views
What is the historical origin of the concept of a "clipping path"
Algorithms for clipping lines to a rectangle seem to have been invented by Ivan Sutherland in the late 60s.
At some point the rectangle was generalized to an arbitrary polygonal area, and these days ...
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76 views
Ray tracing tree
Let's suppose that we have a light source. Which of the following are correct for the tree of recursive ray-tracing (ray tree) that create when we make the colors for each pixel in the screen.
Which ...
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1answer
281 views
Determining the intersections of a line segment and grid
Problem: Given a line segment on the cartesian plane, determine where and which order it intersects a regular grid. This sounds simple, but is actually quite a tough problem. It's related to, but ...
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9 views
How to extract the buildings bottom surfaces from a large city 3D mesh?
I have a 3D mesh comprised of city buildings, no ground surface, just buildings.
The goal is to extract the buildings bottom surfaces.
So far I have tried to cut the mesh by a threshold computed from ...
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35 views
What is the difference between DeepFake and First Order Motion?
What is the difference between DeepFake and First Order Motion?
Is it the same or not?
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1answer
94 views
Bresenham's line drawing algorithm guarantees
I am considering implementing my own version of Bresenham's line drawing algorithm, found here, my one question is does the algorithm guarantee that both endpoints will be covered/drawn. I am doubting ...
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2answers
113 views
How is CPU different from GPU?
A central processing unit offers to handle various operations like calculating, watching movies, making presentation etc. While a graphics processing unit is majorly used for the purpose of video ...
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53 views
Jaccard decay, Jaccard recall, and class-agnostic binary segmentation
When reading about SiamMask (Wang et al., Fast Online Object Tracking and Segmentation: A Unifying Approach), I encountered the terms "Jaccard decay" and "Jaccard recall".
I know what Jaccard index ...
