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Preetham Manjunatha


University of Southern California

Last seen: 1 day ago |  Active since 2014

Followers: 0   Following: 0

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

Programming Languages:
Python, C++, C, MATLAB, HTML, CSS, Shell
Spoken Languages:
English, Hindi
Pronouns:
He/him
Professional Interests:
AI for Signals and Images, Image Processing and Computer Vision, Data Synthesis

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  • 5-Star Galaxy Level 2
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  • GitHub Submissions Level 3
  • Thankful Level 3
  • Revival Level 1
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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.

1 year 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.

1 year 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.

1 year ago | 0

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...

2 years 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.

2 years ago | 0

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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years 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...

2 years ago | 0

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...

2 years ago | 0

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...

2 years ago | 1 answer | 0

1

answer

Answered
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-...

2 years ago | 2

Answered
How to measure the curvature of object boundary?
Here this function measures the curvature and other shape properties. In addition, it displays the curvature.

2 years ago | 0

Question


Memory problem when accessing and copying the 3D array elements by subscripts
I am trying to access/copy values from an image 3D array to another 3D array using the subcripts (rows and columns). I am trying...

2 years ago | 1 answer | 0

1

answer

Question


Cylindrical projection from image normal coordinates
I am trying to project normal image coordinates to cylindrical projection using the MATLAB's imwrap function. But the output...

2 years ago | 0 answers | 0

0

answers

Question


How to use the MATLAB Computer Vision toolbox's bundle adjustment for automatic panoramic image Stitching?
I am trying to implement automatic panoramic image stitching as in the Panorama. I have obtained the connected components of the...

2 years ago | 0 answers | 0

0

answers

Answered
How Do I Move a Set of (x,y,z) Points so they Align with the X-Y Plane?
Fit a oriented bounding box and obtain the orientation of that bounding box and invert the rotation matrix of the Euler angles. ...

2 years ago | 0

Answered
how to fit a plane to my point cloud data and rotate it so that the plane is parallel to the x-y plane.
Fit a oriented bounding box and obtain the orientation of that bounding box and invert the rotation matrix of the Euler angles. ...

2 years ago | 0

Question


How to linearize the nested parfor loop?
I have two variables i,j, where j index start depends on i index. n = 3; for i = 1:n for j = i+1:n % Feature mat...

3 years ago | 1 answer | 0

1

answer

Question


Find unique images from a folder
I have a folder full of images of video frame sequences of same class of varying sizes of frame number extracted from a large vi...

3 years ago | 1 answer | 0

1

answer

Question


Machine learning model (neural network or SVM) for unequal feature matrices size
I have feature matrices obtained from visual bags of words model for various dictionary sizes. Example, Nx5, Nx10, …., Nx15000. ...

3 years ago | 1 answer | 0

1

answer

Question


How to convert MATLAB binary feature matrix to decimal?
I have binary feature matrices from BRISK, FREAK and ORB descriptors with 512 number of bits. I tried to use: d = bi2de(featu...

3 years ago | 1 answer | 0

1

answer

Question


Bar3 plot increase bar thickness
I am trying to plot the stacked bar3 plot. How to increases the thickness of the bars? All the bars look flat. I need something ...

3 years ago | 1 answer | 0

1

answer

Question


MATLAB parfor index exceeds the number of array elements
Why MATLAB throws an error even if it shouldn't go to the first case of the switch statement? Below is the minimal example: myc...

3 years ago | 1 answer | 0

1

answer

Question


GPU-based anisotropic filtering of grayscale images
There are quite a number of contribution on sequential anisotropic diffusion filtering. Are there any GPU-based parallel anistro...

4 years ago | 1 answer | 0

1

answer

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