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The code in this repository is based on the original 3DGS which is subject to the license below. All modifications and additional code are provided under an Apache-2.0 license (add link); however commercial use of the entire system is still subject to the original 3DGS license.

The code for spherical harmonics utils/sh_utils.py was taken from the InstantNGP repo https://github.com/NVlabs/instant-ngp and ported to Python, it remains subject to the corresponding license.

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.

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

  2. 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.

  1. 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.

  1. 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: [email protected] . 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.

  2. 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)