1 code implementation • 10 Nov 2021 • Firas Laakom, Jenni Raitoharju, Jarno Nikkanen, Alexandros Iosifidis, Moncef Gabbouj
We test this approach on the proposed method and show that it can indeed be used to avoid several extreme error cases and, thus, improves the practicality of the proposed technique.
no code implementations • 20 Jul 2020 • Firas Laakom, Jenni Raitoharju, Alexandros Iosifidis, Jarno Nikkanen, Moncef Gabbouj
Computational color constancy is a preprocessing step used in many camera systems.
no code implementations • 6 May 2020 • Firas Laakom, Jenni Raitoharju, Alexandros Iosifidis, Uygar Tuna, Jarno Nikkanen, Moncef Gabbouj
In this paper, we propose a novel unsupervised color constancy method, called Probabilistic Color Constancy (PCC).
1 code implementation • 23 Oct 2019 • Firas Laakom, Jenni Raitoharju, Alexandros Iosifidis, Jarno Nikkanen, Moncef Gabbouj
In this paper, we describe a new large dataset for illumination estimation.
Few-Shot Camera-Adaptive Color Constancy Image Declipping +1
1 code implementation • 11 Jun 2019 • Firas Laakom, Nikolaos Passalis, Jenni Raitoharju, Jarno Nikkanen, Anastasios Tefas, Alexandros Iosifidis, Moncef Gabbouj
To further improve the illumination estimation accuracy, we propose a novel attention mechanism for the BoCF model with two variants based on self-attention.
no code implementations • 4 Jun 2019 • Firas Laakom, Jenni Raitoharju, Alexandros Iosifidis, Jarno Nikkanen, Moncef Gabbouj
In this paper, we study the importance of pre-training for the generalization capability in the color constancy problem.
2 code implementations • CVPR 2019 • Yanlin Qian, Joni-Kristian Kämäräinen, Jarno Nikkanen, Jiri Matas
We propose a novel grayness index for finding gray pixels and demonstrate its effectiveness and efficiency in illumination estimation.
1 code implementation • 22 Mar 2018 • Yanlin Qian, Said Pertuz, Jarno Nikkanen, Joni-Kristian Kämäräinen, Jiri Matas
We present a statistical color constancy method that relies on novel gray pixel detection and mean shift clustering.
no code implementations • ICCV 2017 • Yanlin Qian, Ke Chen, Jarno Nikkanen, Joni-Kristian Kamarainen, Jiri Matas
We introduce a novel formulation of temporal color constancy which considers multiple frames preceding the frame for which illumination is estimated.
no code implementations • 21 Mar 2017 • Caglar Aytekin, Jarno Nikkanen, Moncef Gabbouj
In this paper, we provide a novel dataset designed for camera invariant color constancy research.
no code implementations • 13 Jul 2016 • Yanlin Qian, Ke Chen, Joni-Kristian Kamarainen, Jarno Nikkanen, Jiri Matas
Computational color constancy that requires esti- mation of illuminant colors of images is a fundamental yet active problem in computer vision, which can be formulated into a regression problem.