All Questions
4 questions
5
votes
2
answers
5k
views
Grouping sorted coordinates based on proximity to each other
I created an algotrithm that groups a sorted list of coordinates into buckets based on their proximity (30) to one another.
Steps:
Create a new key with a list ...
7
votes
1
answer
166
views
Speeding up maximum self-similarity test for heavy tail-exponents
I am trying to reproduce results from a research paper using python. I've checked my method and it works on relatively small sample datasets. However, the code does not run for my actual dataset, ...
1
vote
1
answer
4k
views
Cosine similarity computation
I have a matrix of ~4.5 million vector [4.5mil, 300] and I want to calculate the distance between a vector of length 300 against all the entries in the matrix.
I got some great performance time ...
4
votes
1
answer
3k
views
OpenCV 3: Using k-Nearest Neighbors to analyse RGB image
I'm new to computer vision and numpy.
I wrote a simple script to seperate red, green and blue colors from the original image by using the kNN algorithm.
After reading through some numpy tutorials, I'...