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

Estadística

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Enviada

Automatic panoramic image stitcher (AutoPanoStitch)
Automatic Panorama Stitching software in MATLAB. Spherical, cylindrical and planar projections stitching is supported in this ve...

7 días hace | 18 descargas |

Enviada

Fast 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.

15 días hace | 20 descargas |

Enviada

Image to cylindrical and spherical projection/warping
Cylindrical and spherical coordinates projection of the color and grayscale images without any slow for-loops.

3 meses hace | 2 descargas |

Enviada

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

3 meses hace | 2 descargas |

Enviada

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...

3 meses hace | 1 descarga |

Enviada

Shape curvature histogram
Feature vector of the curvature histogram of the shapes.

3 meses hace | 1 descarga |

Enviada

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

3 meses hace | 3 descargas |

Enviada

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.

3 meses hace | 1 descarga |

Enviada

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

3 meses hace | 1 descarga |

Enviada

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...

3 meses hace | 3 descargas |

Enviada

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...

3 meses hace | 9 descargas |

Enviada

Curvature measure and visualization
Measures the shape properties of the object boundaries and displays the curvature.

3 meses hace | 3 descargas |

Enviada

Probability density functions distance and similarity
Measures the distances and similarities between two probability density functions of signals.

3 meses hace | 2 descargas |

Enviada

Multiclass metrics of a confusion matrix
Given the confusion matrix finds the two or multiclass metrics such as precision, recall, F1-score, and others.

3 meses hace | 16 descargas |

Enviada

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

3 meses hace | 3 descargas |

Enviada

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

3 meses hace | 2 descargas |

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 ...

6 meses hace | 1 respuesta | 0

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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

Enviada

3D space tiling (partition/divide the 3D space w/wo overlap)
Divides the 3D space with or without overlaps. Tested on 3D point clouds.

más de 1 año hace | 1 descarga |

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

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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

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Preetham Manjunatha

University of Southern California

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