Here is another inquiry regarding computer vision. The concept of a camera matrix, also known as a projection matrix, involves the mapping of a 3D point X from the real world to an image point x in a photograph using the equation: l **x** = P **X** Esse ...
In order to perform certain calculations, I require an eigenvalue decomposition. Upon evaluating the functions of numpy, it has come to my attention that there is some unexpected behavior being exhibited! Consider the following code snippet: import numpy ...
First off, here's a visual representation of my objective: https://i.stack.imgur.com/5Uo1h.png (Credit for the photo: ) The concise question How can I use HTML5 video & canvas to execute a 4-point perspective transform in order to display only ...
Interested in experimenting with the bilinear transformation of a rectangle to a quad? Check out the details here: on page 4. The square coordinates are: (500,900)(599,900)(599,999)(500,999) While the quad coordinates are: (454,945)(558,951)(598,999)( ...
To efficiently solve Ax = b in Python where A is a large-scale dense Matrix of float64, I decided to create a custom linear operator. Here's the code snippet showcasing my approach: from numpy import ones from numpy.linalg import inv import scipy.sparse.li ...
As I embark on training a neural network, I am faced with a significant challenge. I have a massive 212,243 × 2500 dense matrix labeled phi, along with vectors y (212243) and w (2500). These are stored as numpy arrays of double values. My goal is to calcu ...