Top "Similarity" questions

Similarity measures quantify how much alike objects (e.g. documents, feature vectors) are.

Find similar images in (pure) PHP / MySQL

My users are uploading images to my website and i would like first to offer them already uploaded images first. …

php mysql image similarity
Cosine similarity vs Hamming distance

To compute the similarity between two documents, I create a feature vector containing the term frequencies. But then, for the …

php relationship similarity
how to find the similarity between two curves and the score of similarity?

I have two data sets (t,y1) and (t,y2). These data sets visually look same but their is some …

matlab time-series similarity curves
OpenCV || contour similarity

As you can see in the image, I would like to compare these contours. I need my OpenCV program to …

opencv similarity contour
Text similarity Algorithms

I'm doing a Java project where I have to make a text similarity program. I want it to take 2 text …

java algorithm text similarity
Levenshtein distance: how to better handle words swapping positions?

I've had some success comparing strings using the PHP levenshtein function. However, for two strings which contain substrings that have …

php algorithm levenshtein-distance similarity edit-distance
Javascript text similarity algorithm

I'm building a website that should collect various news feeds and would like the texts to be compared for similarity. …

javascript algorithm text similarity
Mahalonobis distance in R, error: system is computationally singular

I'd like to calculate multivariate distance from a set of points to the centroid of those points. Mahalanobis distance seems …

r distance similarity mahalanobis
Python equivalent of daisy() in the cluster package of R

I have a dataset that contains both categorical (nominal and ordinal) and numerical attributes. I want to calculate the (dis)…

python r similarity categorical-data r-daisy
How to detect that two sentences are similar?

I want to compute how similar two arbitrary sentences are to each other. For example: A mathematician found a solution …

nlp similarity stanford-nlp opennlp