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Preetham Manjunatha


University of Southern California

Last seen: 4 dagen ago Active since 2014

Enthusiastic and versatile Research Associate with a Ph.D. in Applied Computer Vision and Machine Learning.

Programming Languages:
Python, C++, C, MATLAB
Spoken Languages:
English, Hindi
Professional Interests:
Machine Learning and Deep Learning, Image Processing and Computer Vision

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  • Personal Best Downloads Level 3
  • 3 Month Streak
  • GitHub Submissions Level 3
  • Thankful Level 3
  • Revival Level 1
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Submitted


Random graphs and trees
Creates Erdos-Renyi, geometric random graphs, and rapidly-exploring random trees (RRT and RRT*).

ongeveer een maand ago | 10 downloads |

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Submitted


Color and depth (RGB-D) images to point cloud
Creates point clouds from color and depth (RGB-D) images provided by the camera's intrinsic parameters. Also, writes the point c...

ongeveer 2 maanden ago | 15 downloads |

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Answered
How do I directly covert a depth image to 3-D point cloud?
This link can help to convert RGB-D images to point cloud, provided the camera intrinsic parameters.

ongeveer 2 maanden ago | 0

Answered
generate a point cloud from a given depth image-matlab Computer Vision System Toolbox
This link can help to convert RGB-D images to point cloud, provided the camera intrinsic parameters.

ongeveer 2 maanden ago | 0

Answered
Point Cloud from DEPTH and RGB image
This link can help to convert RGB-D images to point cloud, provided the camera intrinsic parameters.

2 maanden ago | 0

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.

4 maanden ago | 21 downloads |

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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 maanden ago | 3 downloads |

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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...

6 maanden ago | 18 downloads |

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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.

8 maanden ago | 3 downloads |

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Submitted


Automatic panoramic image stitcher (AutoPanoStitch)
Automatic Panorama Stitching software in MATLAB. Supports spherical, cylindrical, and planar projections and recognizes multiple...

8 maanden ago | 19 downloads |

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Submitted


Image to cylindrical and spherical projection/warping
Cylindrical and spherical coordinates projection

8 maanden ago | 5 downloads |

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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...

9 maanden ago | 2 answers | 0

2

answers

Answered
Matlab R2020b freezes when closing figure (Intel macOS Big Sur)
MATLAB R2022a still freezes when the Figure window is closed on macOS 12.3.

9 maanden 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.

10 maanden ago | 65 downloads |

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Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 1

Answered
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...

10 maanden 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.

10 maanden ago | 2 downloads |

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Submitted


Cracks splitter/cropper/augment on a single image
Augments the cracks with similar geometric properties, cracks can be split into tile images.

10 maanden ago | 2 downloads |

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Answered
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...

10 maanden ago | 0

Submitted


Panorama image cropper
Crops a fully stitched panorama with black/white background.

ongeveer een jaar ago | 1 download |

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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...

ongeveer een jaar ago | 1 answer | 0

1

answer

Submitted


Custom colormap
Creates a custom color map given the RGB triplet array.

meer dan een jaar ago | 3 downloads |

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Submitted


Acceleration to velocity and displacement using DSP filters
Filters and converts the acceleration data to velocities and displacements using the signal processing algorithms.

meer dan een jaar ago | 5 downloads |

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