
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
RANK
6 561
of 260 457
REPUTATION
5
CONTRIBUTIONS
20 Questions
15 Answers
ANSWER ACCEPTANCE
40.0%
VOTES RECEIVED
3
RANK
6 560 of 17 900
REPUTATION
143
AVERAGE RATING
0.00
CONTRIBUTIONS
16 Files
DOWNLOADS
156
ALL TIME DOWNLOADS
929
RANK
of 111 893
CONTRIBUTIONS
0 Problems
0 Solutions
SCORE
0
NUMBER OF BADGES
0
CONTRIBUTIONS
0 Posts
CONTRIBUTIONS
0 Public Channels
AVERAGE RATING
CONTRIBUTIONS
0 Highlights
AVERAGE NO. OF LIKES
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 dagar 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 dagar ago | 22 downloads |

Submitted
Random graphs and trees
Creates Erdos-Renyi, geometric random graphs, and rapidly-exploring random trees (RRT and RRT*).
12 dagar 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 dagar 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 månader 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 månader ago | 22 downloads |

Submitted
Image to cylindrical and spherical projection/warping
Cylindrical and spherical coordinates projection
3 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader 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 månader ago | 0
Submitted
Panorama image cropper
Crops a fully stitched panorama with black/white background.
7 månader 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 månader ago | 1 answer | 0
1
answerSubmitted
Custom colormap
Creates a custom color map given the RGB triplet array.
10 månader 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 månader ago | 11 downloads |

Submitted
Curvature measure and visualization
Measures the shape properties of the object boundaries and displays the curvature.
11 månader ago | 15 downloads |

Submitted
Probability density functions distance and similarity
Measures the distances and similarities between two probability density functions of signals.
11 månader ago | 3 downloads |

Submitted
Shape curvature histogram
Feature vector of the curvature histogram of the shapes.
11 månader 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 månader ago | 1