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Orthogonality Loss: Learning Discriminative Representations for Face Recognition

IEEE transactions on circuits and systems for video technology (Print), 2021
Convolutional neural networks have achieved excellent performance on face recognition (FR) by learning the high discriminative features with advanced loss functions. These improved loss functions share the similar idea for maximizing inter-class variance
Shanmin Yang   +4 more
semanticscholar   +1 more source

A class of smooth exact penalty function methods for optimization problems with orthogonality constraints

Optim. Methods Softw., 2020
Updating the augmented Lagrangian multiplier by closed-form expression yields efficient first-order infeasible approach for optimization problems with orthogonality constraints.
Nachuan Xiao, Xin Liu, Ya-xiang Yuan
semanticscholar   +1 more source

FlipLoRa: Resolving Collisions with Up-Down Quasi-Orthogonality

Annual IEEE Communications Society Conference on Sensor, Mesh and Ad Hoc Communications and Networks, 2020
LoRa is recently a rising star in Low Power Wide Area Network (LPWAN) family to provide low power and long range communication for large number of devices in Internet of Things.
Zhenqiang Xu   +3 more
semanticscholar   +1 more source

Illumination of Orthogonal Polygons with Orthogonal Floodlights

International Journal of Computational Geometry & Applications, 1998
We provide the first tight bound for covering an orthogonal polygon with n vertices and h holes with vertex floodlights (guards with restricted angle of vision). In particular, we provide tight bounds for the number of orthogonal floodlights, placed at vertices or on the boundary, sufficient to illuminate the interior or the exterior of an orthogonal ...
Abello, James   +3 more
openaire   +1 more source

Separation orthogonality in liquid chromatography-mass spectrometry for proteomic applications: comparison of 16 different two-dimensional combinations.

Analytical Chemistry, 2020
Peptide separation orthogonality for 16 different 2D LC-ESI MS systems has been evaluated. To compare and contrast the behavior of the first dimension columns, a large proteomic retention dataset of ~30,000 tryptic peptides was collected for each 2D ...
Darien Yeung   +6 more
semanticscholar   +1 more source

The orthogonal flows for orthogonal iteration

Linear Algebra and its Applications, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Kuo, Yueh-Cheng   +2 more
openaire   +3 more sources

Orthogonal sets; orthogonal contractions

Asian-European Journal of Mathematics, 2019
In this paper, we are interested in obtaining fixed point theorems by keeping the orthogonal completeness of the orthogonal metric space and replacing the [Formula: see text]-contraction condition in theorems by another slightly modified conditions. The paper contains an example illustrating our results.
Eshaghi Gordji, Madjid   +2 more
openaire   +2 more sources

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