Preetham Manjunatha
University of Southern California
Enthusiastic and versatile Research Associate with a Ph.D. in Applied Computer Vision and Machine Learning.
Python, C++, C, MATLAB
Spoken Languages:
English, Hindi
Professional Interests:
Machine Learning and Deep Learning, Image Processing and Computer Vision
Statistics
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20 Questions
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3
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Contribute at least one answer each month for 3 consecutive months
Awarded to Preetham Manjunatha on 02 Apr 2022
Your submissions were downloaded 10 or more times in a month
Awarded to Preetham Manjunatha on 01 Oct 2021
Have 3 submissions connected to GitHub
Awarded to Preetham Manjunatha on 02 Aug 2021
Accept 5 answers given by other contributors
Awarded to Preetham Manjunatha on 02 Aug 2021
Answer 1 question that was unanswered for more than 30 days
Awarded to Preetham Manjunatha on 23 Jul 2021
Provide your first answer ever to someone else's question
Awarded to Preetham Manjunatha on 23 Jul 2021
Publish your first submission
Awarded to Preetham Manjunatha on 21 Jul 2021
Publish your first review
Awarded to Preetham Manjunatha on 09 Oct 2019
Content Feed
Submitted
Weighted adjacency matrix of an image using energy function
Creates a weighted adjacency matrix from an energy matrix for an image. Average, similarity, and dissimilarity between the nodes...
5 days ago | 4 downloads |
Submitted
Multiclass metrics of a confusion matrix
Given the confusion matrix finds the two or multiclass metrics such as precision, recall, F1-score, and others.
6 days ago | 22 downloads |
Submitted
Random graphs and trees
Creates Erdos-Renyi, geometric random graphs, and rapidly-exploring random trees (RRT and RRT*).
12 days ago | 5 downloads |
Submitted
Voronoi bounded rectangular or square limits
Provides a bounded Voronoi Diagram with vertices similar to MATLAB [vx,vy] = voronoi(x,y). In other words, prunes the edges that...
24 days ago | 12 downloads |
Submitted
3D space tiling (partition/divide the 3D space w/wo overlap)
Divides the 3D space with or without overlaps. Tested on 3D point clouds.
3 months ago | 2 downloads |
Submitted
Automatic panoramic image stitcher (AutoPanoStitch)
Automatic Panorama Stitching software in MATLAB. Supports spherical, cylindrical, and planar projections and recognizes multiple...
3 months ago | 22 downloads |
Submitted
Image to cylindrical and spherical projection/warping
Cylindrical and spherical coordinates projection
3 months ago | 9 downloads |
Question
How to convert row-major linear indices to column-major indices?
I have a row-major linear indices [1,8, 14, 9, 4, 11, 18] from a matrix 3 x 6 (row x column). How to convert this to column-majo...
3 months ago | 2 answers | 0
2
answersMatlab R2020b freezes when closing figure (Intel macOS Big Sur)
MATLAB R2022a still freezes when the Figure window is closed on macOS 12.3.
4 months ago | 0
Submitted
Line 2 Line intersection point (two line segments)
A fast two-line intersection point-based in parametric space. Finds the intersection point between two lines if it exists.
5 months ago | 41 downloads |
How can I plot a voronoi diagram with a limited area?
If the Voronoi Diagram bounded region is rectangle or square, here is the link function to clip the extending edges of the Voron...
5 months ago | 0
How do I find the intersection point of two lines in MATLAB 6.5 (R13)?
Here is the link to find the intersection point of two line segments/lines. A fast two line intersection point finder based on t...
5 months ago | 0
How to plot 2 lines and find the coordinates of their intersection?
Here is the link to find the intersection point of two line segments/lines. A fast two line intersection point finder based on t...
5 months ago | 0
How to find the point of intersection of two lines in matlab ?
Here is the link to find the intersection point of two line segments/lines. A fast two line intersection point finder based on t...
5 months ago | 0
Finding intersection point of the lines
Here is the link to find the intersection point of two line segments/lines. A fast two line intersection point finder based on t...
5 months ago | 0
Voronoi boundaries
If the Voronoi Diagram bounded region is rectangle or square, here is the link function to clip the extending edges of the Voron...
5 months ago | 0
Voronoi Diagram Boundaries with a given width
If I understand your problem correctly, are you looking to bound the Voronoi region? If so, here is the link function to clip th...
5 months ago | 0
voronoi within a pre-defined area
Here is the link function to clip the extending edges of the Voronoi Diagram for rectangular or square region. Rigorously tested...
5 months ago | 1
Vertices of polygons in bounded voronoi diagram
Here is the link function to clip the extending edges of the Voronoi Diagram for rectangular or square region. Rigorously tested...
5 months ago | 0
Submitted
Cracks splitter/cropper/augment on a large dataset
To augment the cracks with similar geometric properties, cracks can be split into tile images on a large dataset.
5 months ago | 2 downloads |
Submitted
Cracks splitter/cropper/augment on a single image
Augments the cracks with similar geometric properties, cracks can be split into tile images.
5 months ago | 2 downloads |
Matlab R2020b freezes when closing figure (Intel macOS Big Sur)
Same problem macOS Monterey v12.1. MacBook Pro (15-inch, 2018), Processor: 2.9 GHz 6-Core Intel Core i9 and Memory: 32 GB 2400 M...
5 months ago | 0
Submitted
Panorama image cropper
Crops a fully stitched panorama with black/white background.
7 months ago | 2 downloads |
Question
Common substring index from two string arrays
I have two string arrays a and b and I need to find the index matching the substring numbers (within string arrays). For example...
8 months ago | 1 answer | 0
1
answerSubmitted
Custom colormap
Creates a custom color map given the RGB triplet array.
10 months ago | 3 downloads |
Submitted
Acceleration to velocity and displacement using DSP filters
Filters and converts the acceleration data to velocities and displacements using the signal processing algorithms.
11 months ago | 11 downloads |
Submitted
Curvature measure and visualization
Measures the shape properties of the object boundaries and displays the curvature.
11 months ago | 15 downloads |
Submitted
Probability density functions distance and similarity
Measures the distances and similarities between two probability density functions of signals.
11 months ago | 3 downloads |
Submitted
Shape curvature histogram
Feature vector of the curvature histogram of the shapes.
11 months ago | 1 download |
How to calculate the curvature of a boundaries in binary images?
Here this function measures the curvature and other shape properties. In addition, it displays the curvature. Here is the T-...
11 months ago | 1
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