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Luminance-Contrast-Aware Foveated Rendering

This repository contains the Matlab implementation of the sigma predictor from:

Tursun, O. T., Arabadzhiyska-Koleva, E., Wernikowski, M., Mantiuk, R., Seidel, H. P., Myszkowski, K., & Didyk, P. (2019). Luminance-contrast-aware foveated rendering. ACM Transactions on Graphics (TOG), 38(4), 98.

In order to run the predictor please download matlabPyrTools by Simoncelli from

https://github.com/LabForComputationalVision/matlabPyrTools

and place it in the folder: ./matlabpyrtools

Then compile the MEX-files by running the following script:

./matlabpyrtools/MEX/compilePyrTools.m

and place the created files (*.mexw64, *.mexa64 or *.mexmaci64 depending on the platform) in Matlab path (see path, addpath, genpath and pathtool functions of Matlab).

Files

main.m : Provides the implementation of sigma predictor for an image patch. Feel free to use "help main" for info.

run_on_image.m: Runs the predictor on patches of an image and returns the predicted sigma map.

sample_run.m: Loads a sample image from the paper and runs the predictor. Try running this first.

get_params.m: Loads optimum predictor parameters learned using Simulated Annealing.

display_params.m: Returns the parameters such as resolution, physical size and the observation distance for the particular display used in our experiments. If the physical parameters of your display are significantly different from ours, you will need to define your display in this file and modify run_on_image.m:11-31 where those parameters are used.

disp1_luminance.mat and disp2_luminance.mat: Provides the calibration data for converting RGB to luminance for the displays that we used in our experiments. The predictor expects luminance (cd/m^2) as the input. If the calibration data does not exist, inverse gamma transformation may be used to approximately compute linear values from sRGB (gamma = 2.2).

Links

Our project website:

https://www.pdf.inf.usi.ch/projects/AdaptiveFoveation

My website:

https://www.pdf.inf.usi.ch/people/okan

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