Illumination invariant extraction for face recognition using neighboring wavelet coefficients

X Cao, W Shen, LG Yu, YL Wang, JY Yang… - Pattern Recognition, 2012 - Elsevier
The features of a face can change drastically as the illumination changes. In contrast to pose
position and expression, illumination changes present a much greater challenge to face …

Retinal image quality assessment based on image clarity and content

L Abdel-Hamid, A El-Rafei, S El-Ramly… - … of biomedical optics, 2016 - spiedigitallibrary.org
Retinal image quality assessment (RIQA) is an essential step in automated screening
systems to avoid misdiagnosis caused by processing poor quality retinal images. A no …

Illumination compensation for face recognition using adaptive singular value decomposition in the wavelet domain

JW Wang, NT Le, JS Lee, CC Wang - Information Sciences, 2018 - Elsevier
Lighting variations are a challenge in face recognition. To overcome this problem, this paper
proposes a novel illumination compensation method called adaptive singular value …

Discriminative multi-layer illumination-robust feature extraction for face recognition

YF Yu, DQ Dai, CX Ren, KK Huang - Pattern Recognition, 2017 - Elsevier
Tackling illumination variation is a major problem and it is also an important challenge for
practical face recognition systems. Some related methods consider that lighting intensity …

Pose invariant virtual classifiers from single training image using novel hybrid-eigenfaces

A Sharma, A Dubey, P Tripathi, V Kumar - Neurocomputing, 2010 - Elsevier
A novel view-based subspace termed as hybrid-eigenspace is introduced and used to
synthesize multiple virtual views of a person under different pose and illumination from a …

Robust face recognition based on illumination invariant in nonsubsampled contourlet transform domain

Y Cheng, Y Hou, C Zhao, Z Li, Y Hu, C Wang - Neurocomputing, 2010 - Elsevier
In order to alleviate the effect of illumination variations on face recognition, a novel face
recognition algorithm based on illumination invariant in nonsubsampled contourlet transform …

Orthogonal discriminant vector for face recognition across pose

J Wang, J You, Q Li, Y Xu - Pattern Recognition, 2012 - Elsevier
Recognizing face images across pose is one of the challenging tasks for reliable face
recognition. This paper presents a new method to tackle this challenge based on orthogonal …

Harris Hawks optimization method based on convolutional neural network for face recognition systems

S Ahmed, M Frikha, TDH Hussein… - … congress on human …, 2022 - ieeexplore.ieee.org
This paper discusses the momentum gradient dependent on the convolutional neural
organization's strong point. It is a new methodology introduced to detect evenness in the …

Multiresolution visual enhancement of hazy underwater scene

DK Rout, BN Subudhi, T Veerakumar… - Multimedia Tools and …, 2022 - Springer
Haze is an obvious phenomenon in the underwater scenario. The scene visibility reduces to
a great extent due to haze, which makes the underwater visual surveillance quite a …

Face recognition system using histograms of oriented gradients and convolutional neural network based on with particle swarm optimization

S Ahmed, M Frikha, TDH Hussein… - 2021 International …, 2021 - ieeexplore.ieee.org
In this paper, Histograms of Oriented Gradients dependent on the strong point of
convolutional neural organization which is new methodology for evenness face data set, is …