Search Results for author: Nikola Banić

Found 8 papers, 2 papers with code

Illumination Estimation Challenge: experience of past two years

no code implementations31 Dec 2020 Egor Ershov, Alex Savchik, Ilya Semenkov, Nikola Banić, Karlo Koscević, Marko Subašić, Alexander Belokopytov, Zhihao LI, Arseniy Terekhin, Daria Senshina, Artem Nikonorov, Yanlin Qian, Marco Buzzelli, Riccardo Riva, Simone Bianco, Raimondo Schettini, Sven Lončarić, Dmitry Nikolaev

The main advantage of testing a method on a challenge over testing in on some of the known datasets is the fact that the ground-truth illuminations for the challenge test images are unknown up until the results have been submitted, which prevents any potential hyperparameter tuning that may be biased.

Color Constancy Vocal Bursts Valence Prediction

TVOR: Finding Discrete Total Variation Outliers among Histograms

1 code implementation21 Dec 2020 Nikola Banić, Neven Elezović

Pearson's chi-squared test can detect outliers in the data distribution of a given set of histograms.

Methodology Discrete Mathematics

The Cube++ Illumination Estimation Dataset

1 code implementation19 Nov 2020 Egor Ershov, Alex Savchik, Illya Semenkov, Nikola Banić, Alexander Belokopytov, Daria Senshina, Karlo Koscević, Marko Subašić, Sven Lončarić

In this paper, a new illumination estimation dataset is proposed that aims to alleviate many of the mentioned problems and to help the illumination estimation research.

Color Constancy

CroP: Color Constancy Benchmark Dataset Generator

no code implementations29 Mar 2019 Nikola Banić, Karlo Koščević, Marko Subašić, Sven Lončarić

For a given camera sensor it enables generation of any number of realistic raw images taken in a subset of the real world, namely images of printed photographs.

Color Constancy

The Past and the Present of the Color Checker Dataset Misuse

no code implementations11 Mar 2019 Nikola Banić, Karlo Koš{č}ević, Marko Subašić, Sven Lon{č}arić

The pipelines of digital cameras contain a part for computational color constancy, which aims to remove the influence of the illumination on the scene colors.

Color Constancy

Green Stability Assumption: Unsupervised Learning for Statistics-Based Illumination Estimation

no code implementations2 Feb 2018 Nikola Banić, Sven Lončarić

In this paper it is first shown that the accuracy of statistics-based methods reported in most papers was not obtained by means of the necessary cross-validation, but by using the whole benchmark datasets for both training and testing.

Color Constancy

Unsupervised Learning for Color Constancy

no code implementations1 Dec 2017 Nikola Banić, Karlo Koščević, Sven Lončarić

The highest accuracy of color correction is obtained with learning-based color constancy methods, but they require a significant amount of calibrated training images with known ground-truth illumination.

Color Constancy

Using the Random Sprays Retinex Algorithm for Global Illumination Estimation

no code implementations1 Oct 2013 Nikola Banić, Sven Lončarić

Therefore we propose a method for estimating global illumination estimation based on local RSR results.

Color Constancy

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