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15-663: Computational Photography Course Project at Carnegie Mellon University

One-Shot to Vertigo: Novel View Synthesis using Light Field Cameras

This final project was done as part of the 15-663 Fall 2020 course on Computational Photography taught by Prof. Ioannis Gkioulekas at Carnegie Mellon University. This project implements the paper The ”Vertigo Effect” on Your Smartphone: Dolly zoom via single shot view synthesis. It also extends this by using light field cameras, with the help of the plenpy library. The results and implementation details are provided in the PDF.

The rest of this README is retained as is from plenpy.

plenpy - A plenoptic processing library for Python.

build status coverage report PyPI PyPI PyPI

This is a Python package to calibrate, process and analyse (hyperspectral) light field images as well as (hyper)spectral images from either real cameras (e.g. Lytro) or synthetic/rendered images.

Note: The package is still undergoing API altering changes with each minor release.

License and Usage

This software is licensed under the GNU GPLv3 license (see below).

If you use this software in your scientific research, please cite our paper:

@Article{Schambach2020,
  author  = {Schambach, Maximilian and Puente León, Fernando},
  title   = {Microlens array grid estimation, light field decoding, and calibration},
  journal = {IEEE Transactions on Computational Imaging},
  volume  = {6},
  pages   = {591--603},
  year    = {2020},
  doi     = {10.1109/TCI.2020.2964257},
}

Quick Start

Have a look at our User Documentation for notes on usage and some examples to get you started.

For a quick tryout of plenpy, you can use our latest Docker Image.

Installation

You can install plenpy directly from PyPi via pip:

$ pip install plenpy

That's it!

Dependencies

Plenpy requires python >= 3.6 as it relies on Python syntax that has been introduced in Python 3.6 such as f-strings or type hinting. Plenpy is currently tested on Python 3.6, 3.7, and 3.8.

The package dependencies are resolved automatically upon installation using pip. For development and testing dependencies, see the requirements.txt file. The package dependencies are stated in setup.py.

Manual Installation on Unix / Linux / macOS

If you want to install from source, the installation using make is straightforward and installs plenpy and its runtime dependencies automatically. If make is not available, or if you are running Windows, see below.

Caution: A system wide installation using sudo is easy and possible but discouraged. Installing in a environment is recommended.

To install plenpy, first clone the project's git repository to a location of your desire and change directory to the project:

$ cd <path-to-plenpy>/
$ git clone git@gitlab.com:iiit-public/plenpy.git
$ cd plenpy

Then, install the library via:

$ make

Or, to have an editable install of plenpy, using

$ make editable

If no errors occur, you can check if the installation was successful by running the unit tests:

$ make test

That's it! The package should now be available.

Manual Installation on Windows

If make is not available on your system, the installation via pip is also straightforward. Instead of invoking make, install by calling (e.g. from the Anaconda prompt)

$ pip install -r requirements.txt .

Please note the . at the end, referring to the current folder <path-to-plenpy>/plenpy.

Testing

You can manually run the tests using pytest:

$ pytest <path-to-plenpy>/test/

Uninstallation

Uninstall plenpy using

$ pip uninstall plenpy

Documentation

The documentation can be found here.

You can also build the documentation yourself:

Dependencies and Building

The documentation is build using Sphinx. To install all necessary dependencies for the documentation, run

$ cd <path-to-plenpyr>
$ make
$ pip install -r docs/requirements.txt
$ cd docs
$ sphinx-apidoc -f -o ./ ../plenpy/
$ make html

This will create the full plenpy documentation in the docs/_build/html folder.

Contribute

If you are interested in contributing to plenpy, feel free to create an issue or fork the project and submit a merge request. As this project is still undergoing restructuring and extension, help is always welcome!

For Programmers

Please stick to the PEP 8 Python coding styleguide.

The docstring coding style of the reStructuredText follows the googledoc style.

License

Copyright (C) 2018-2020 The Plenpy Authors

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see https://www.gnu.org/licenses/.