Search Results for author: Sven Lončarić

Found 11 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

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

Computational analysis of laminar structure of the human cortex based on local neuron features

no code implementations3 May 2019 Andrija Štajduhar, Tomislav Lipić, Goran Sedmak, Sven Lončarić, Miloš Judaš

In this paper, we present a novel method for analysis and segmentation of laminar structure of the cortex based on tissue characteristics whose change across the gray matter underlies distinctive between cortical layers.

General Classification

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

Automatic Detection of Neurons in NeuN-stained Histological Images of Human Brain

1 code implementation1 Jun 2018 Andrija Štajduhar, Domagoj Džaja, Miloš Judaš, Sven Lončarić

In this paper, we present a novel use of an anisotropic diffusion model for automatic detection of neurons in histological sections of the adult human brain cortex.

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

Flexible Visual Quality Inspection in Discrete Manufacturing

no code implementations1 Oct 2013 Tomislav Petković, Darko Jurić, Sven Lončarić

A proposed pattern is transparent to the end-user and simplifies the flowchart.

Second Croatian Computer Vision Workshop (CCVW 2013)

no code implementations1 Oct 2013 Sven Lončarić, Siniša Šegvić

Proceedings of the Second Croatian Computer Vision Workshop (CCVW 2013, http://www. fer. unizg. hr/crv/ccvw2013) held September 19, 2013, in Zagreb, Croatia.

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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