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Preetham Manjunatha


University of Southern California

Last seen: 1 día hace |  Con actividad desde 2014

Followers: 1   Following: 0

Mensaje

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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Pregunta


Parfor "Out of Memory during deserialization" in large matrix operations
I am trying to use parfor for a large matrix operation. I am getting Out of Memory during deserialization error. Is there a way ...

7 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


Why imwarp isn't working for cylindrical projection?
I am trying to find the cylindrical projection of an image using the cylindrical projection equations. After finding the warpped...

7 meses hace | 1 respuesta | 0

1

respuesta

Pregunta


How to vectorize this nested for loop?
I am finding the cylindrical projection of an image given the camera intrinsic matrix and the distortion coefficients. After fin...

7 meses hace | 1 respuesta | 0

1

respuesta

Respondida
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.

alrededor de 2 años hace | 0

Respondida
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.

alrededor de 2 años hace | 0

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

alrededor de 2 años hace | 0

Pregunta


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...

más de 2 años hace | 2 respuestas | 0

2

respuestas

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

más de 2 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 1

Respondida
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...

casi 3 años hace | 0

Respondida
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...

casi 3 años hace | 0

Pregunta


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...

alrededor de 3 años hace | 1 respuesta | 0

1

respuesta

Respondida
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-...

más de 3 años hace | 2

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

más de 3 años hace | 0

Pregunta


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...

más de 3 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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...

más de 3 años hace | 0 respuestas | 0

0

respuestas

Pregunta


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...

más de 3 años hace | 0 respuestas | 0

0

respuestas

Respondida
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. ...

más de 3 años hace | 0

Respondida
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. ...

más de 3 años hace | 0

Pregunta


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...

más de 3 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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...

casi 4 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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. ...

casi 4 años hace | 1 respuesta | 0

1

respuesta

Pregunta


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...

casi 4 años hace | 1 respuesta | 0

1

respuesta

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