移転学習ベースの民族認識は,さまざまなイメージングセンサを通してキャプチャされた任意の画像を使用します.
Hasti Soudbakhsh1, Sonjoy Ranjon Das2, Bilal Hassan1
1Faculty of Engineering & Environment, Northumbria University London Campus, 110 Middlesex Street, London E1 7HT, UK.
Sensors (Basel, Switzerland)
|February 13, 2026
まとめ
この研究は,移転学習と最適化されたコンボリューションニューラルネットワーク (CNN) モデルを使用して民族性の認識を強化します. VGG19モデルは87%の精度を達成し,多様な民族の間で強力な顔認識を証明しました.
科学分野:
- コンピュータサイエンス コンピュータサイエンス
- 人工知能 (AI) とは,人工知能 (AI) のことです.
- バイオメトリクス バイオメトリクス
背景:
- 民族的アイデンティティの認識は,様々な用途において極めて重要ですが,顔面の特徴の変異や階級の不均衡などの課題に直面しています.
- 民族分類のための機械学習モデルには,堅牢で正確な予測能力が必要です.
研究 の 目的:
- 民族の認識のための新しい実験的枠組みを導入する.
- 移転学習を活用し,分類パフォーマンスの向上のためにコンボリューションニューラルネットワーク (CNN) モデルを最適化します.
- 顔認識の精度に対するさまざまなイメージングセンサーと現実世界の条件の影響を評価する.
主な方法:
- UTKFaceで,事前に訓練されたCNNモデル (VGG16,DenseNet169,VGG19,ResNet50,MobileNetV2,InceptionV3,EfficientNetB4) と,カスタム化されたセレブデータセットでトランスファー・ラーニングを活用しました.
- 最適なパフォーマンスのための理想的な構成を特定するために,厳格な事前処理とハイパーパラメータ最適化を行いました.
- 様々なイメージングセンサーと現実の撮影条件がモデルの性能に及ぼす影響を調べました.
主要な成果:
- VGG19モデルは,セレブデータセットで87%の検証精度と75%の最大テスト精度を達成しました.
- 最適化されたVGG19モデルは,5つの民族グループ全体で87%の全体的な精度を示し,各クラスの精度は51%から90%以上であった.
- 比較実験は,最新の最先端の方法に対して競争力のあるパフォーマンスを確認しました.
結論:
- センサーで撮影された画像の転送学習は,堅牢で効率的な民族分類を可能にします.
- システマティックなハイパーパラメータ最適化は,モデルの汎用性を高め,オーバーフィッティングを軽減します.
- 提案された枠組みは,民族の認識に対する再現可能で公平性を意識したアプローチを提供します.
関連する概念動画
Ethnic Identity within a Larger Culture
344
Adolescents from ethnic minority backgrounds face a multifaceted journey in forming their identities, shaped by the intersections of cultural expectations and personal exploration. For these adolescents, identity formation involves not only typical developmental challenges but also navigating the perceptions and attitudes of the majority culture. As they grow, adolescents in ethnic minority groups often become increasingly aware of stereotypes, social biases, and discrimination, all of which...
344
Moment of Inertia about an Arbitrary Axis
657
The moment of inertia is typically associated with principal axes, but it can also be computed for any random axis. When an arbitrary axis is under consideration, the moment of inertia is determined by integrating the mass distribution of the object along that specific axis. It is crucial in applications like the design of machinery, where components rotate about various axes, and balance and stability are essential.
In this scenario, the perpendicular distance between the chosen arbitrary axis...
In this scenario, the perpendicular distance between the chosen arbitrary axis...
657
Angular Momentum about an Arbitrary Axis
472
Imagine a rigid body with a mass denoted as 'm', which has its center of mass at point G and is rotating around an inertial reference frame. The angular momentum at an arbitrary point P can be calculated by taking the cross product of the position vector and linear momentum vector for each individual mass element.
The velocity of a mass element comprises its translational velocity and the relative velocity instigated by the body's rotation. Substituting the velocity equation into...
The velocity of a mass element comprises its translational velocity and the relative velocity instigated by the body's rotation. Substituting the velocity equation into...
472
Imaging Studies VII: Vascular Imaging
389
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...
389
Cell Diversity
5.2K
The concept of a cell started with microscopic observations of dead cork tissue by Robert Hooke in 1665. Hooke coined the term "cell" based on the resemblance of the small subdivisions in the cork to the rooms that monks inhabited, called cells. About ten years later, Antonie van Leeuwenhoek became the first person to observe the living and moving cells under a microscope. In the century that followed, the theory that cells represented the basic unit of life developed.
Multicellular...
Multicellular...
5.2K
Diversity of Archaea II
553
Archaea, one of the three domains of life, exhibit remarkable diversity and adaptability, thriving in both extreme and moderate environments. Historically, most identified archaea have been classified into two major phyla: Euryarchaeota and Crenarchaeota. However, recent molecular studies have expanded this classification to include three additional phyla: Thaumarchaeota, Nanoarchaeota, and Korarchaeota, each exhibiting unique characteristics and ecological roles.Thaumarchaeota: Mesophiles...
553


