submodules/simple-knn/LICENSE.md

Gaussian-Splatting License  
===========================  

**Inria** and **the Max Planck Institut for Informatik (MPII)** hold all the ownership rights on the *Software* named **gaussian-splatting**.  
The *Software* is in the process of being registered with the Agence pour la Protection des  
Programmes (APP).  

The *Software* is still being developed by the *Licensor*.  

*Licensor*'s goal is to allow the research community to use, test and evaluate  
the *Software*.  

## 1.  Definitions  

*Licensee* means any person or entity that uses the *Software* and distributes  
its *Work*.  

*Licensor* means the owners of the *Software*, i.e Inria and MPII  

*Software* means the original work of authorship made available under this  
License ie gaussian-splatting.  

*Work* means the *Software* and any additions to or derivative works of the  
*Software* that are made available under this License.  


## 2.  Purpose  
This license is intended to define the rights granted to the *Licensee* by  
Licensors under the *Software*.  

## 3.  Rights granted  

For the above reasons Licensors have decided to distribute the *Software*.  
Licensors grant non-exclusive rights to use the *Software* for research purposes  
to research users (both academic and industrial), free of charge, without right  
to sublicense.. The *Software* may be used "non-commercially", i.e., for research  
and/or evaluation purposes only.  

Subject to the terms and conditions of this License, you are granted a  
non-exclusive, royalty-free, license to reproduce, prepare derivative works of,  
publicly display, publicly perform and distribute its *Work* and any resulting  
derivative works in any form.  

## 4.  Limitations  

**4.1 Redistribution.** You may reproduce or distribute the *Work* only if (a) you do  
so under this License, (b) you include a complete copy of this License with  
your distribution, and (c) you retain without modification any copyright,  
patent, trademark, or attribution notices that are present in the *Work*.  

**4.2 Derivative Works.** You may specify that additional or different terms apply  
to the use, reproduction, and distribution of your derivative works of the *Work*  
("Your Terms") only if (a) Your Terms provide that the use limitation in  
Section 2 applies to your derivative works, and (b) you identify the specific  
derivative works that are subject to Your Terms. Notwithstanding Your Terms,  
this License (including the redistribution requirements in Section 3.1) will  
continue to apply to the *Work* itself.  

**4.3** Any other use without of prior consent of Licensors is prohibited. Research  
users explicitly acknowledge having received from Licensors all information  
allowing to appreciate the adequacy between of the *Software* and their needs and  
to undertake all necessary precautions for its execution and use.  

**4.4** The *Software* is provided both as a compiled library file and as source  
code. In case of using the *Software* for a publication or other results obtained  
through the use of the *Software*, users are strongly encouraged to cite the  
corresponding publications as explained in the documentation of the *Software*.  

## 5.  Disclaimer  

THE USER CANNOT USE, EXPLOIT OR DISTRIBUTE THE *SOFTWARE* FOR COMMERCIAL PURPOSES  
WITHOUT PRIOR AND EXPLICIT CONSENT OF LICENSORS. YOU MUST CONTACT INRIA FOR ANY  
UNAUTHORIZED USE: stip-sophia.transfert@inria.fr . ANY SUCH ACTION WILL  
CONSTITUTE A FORGERY. THIS *SOFTWARE* IS PROVIDED "AS IS" WITHOUT ANY WARRANTIES  
OF ANY NATURE AND ANY EXPRESS OR IMPLIED WARRANTIES, WITH REGARDS TO COMMERCIAL  
USE, PROFESSIONNAL USE, LEGAL OR NOT, OR OTHER, OR COMMERCIALISATION OR  
ADAPTATION. UNLESS EXPLICITLY PROVIDED BY LAW, IN NO EVENT, SHALL INRIA OR THE  
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR  
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE  
GOODS OR SERVICES, LOSS OF USE, DATA, OR PROFITS OR BUSINESS INTERRUPTION)  
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING FROM, OUT OF OR  
IN CONNECTION WITH THE *SOFTWARE* OR THE USE OR OTHER DEALINGS IN THE *SOFTWARE*.  

## 6.  Files subject to permissive licenses
The contents of the file ```utils/loss_utils.py``` are based on publicly available code authored by Evan Su, which falls under the permissive MIT license. 

Title: pytorch-ssim\
Project code: https://github.com/Po-Hsun-Su/pytorch-ssim\
Copyright Evan Su, 2017\
License: https://github.com/Po-Hsun-Su/pytorch-ssim/blob/master/LICENSE.txt (MIT)