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関連する概念動画

Vision01:24

Vision

55.3K
Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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Anatomy of the Eyeball01:20

Anatomy of the Eyeball

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The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle...
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Focusing of Light in the Eye01:16

Focusing of Light in the Eye

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Light rays enter the eye through the cornea, a transparent dome-shaped tissue that is the eye's outermost layer. The cornea bends or refracts, light rays traveling to the pupil. The shape of the cornea determines how much of the light is bent and whether the image will be focused correctly on the retina at the back of the eye. Once the light has passed through both refraction layers, it converges into a single focal point onto a small area. This is where photoreceptors start transforming...
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Modeling and Similitude01:12

Modeling and Similitude

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Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
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Gestalt Principles of Perception01:21

Gestalt Principles of Perception

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Gestalt principles provide a framework for understanding how humans perceive objects as unified wholes within their context. These principles are essential in explaining the cognitive processes that make sense of complex visual stimuli by organizing them into coherent groups. One fundamental principle is proximity, which posits that objects located close to each other are perceived as a collective group. For instance, when dots are positioned near one another, the visual system interprets them...
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Updated: Sep 10, 2025

Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches
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Computational Modeling of Retinal Neurons for Visual Prosthesis Research - Fundamental Approaches

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光学生成モデル

Shiqi Chen1,2,3, Yuhang Li1,2,3, Yuntian Wang1,2,3

  • 1Electrical and Computer Engineering Department, University of California Los Angeles, Los Angeles, CA, USA.

Nature
|August 27, 2025
PubMed
まとめ
この要約は機械生成です。

デジタル拡散モデルからインスピレーションを得て 光を利用して新しい画像を作成する 光学生成モデルを開発しました これらのモデルは,デジタル方法と比較して,AIによって生成されたコンテンツに対して,高速でエネルギー効率の良い代替手段を提供します.

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Using Optical Tweezers for the Generation of Hybrid Spheroids

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関連する実験動画

Last Updated: Sep 10, 2025

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科学分野:

  • 人工知能
  • 光学とフォトニクス
  • コンピュータ・ビジョン

背景:

  • デジタルジェネラティブモデルは 画像合成やNLPのような 多様なアプリケーションに 広がっています
  • スケーラブルでエネルギー効率の高い推論は,大規模なデジタル生成モデルにとって大きな課題です.

研究 の 目的:

  • AIで生成されたコンテンツの光学生成モデルを導入し,実証する.
  • 光学的な方法を使って エネルギー効率の良いスケーラブルな推論を探求する.

主な方法:

  • デジタルエンコーダーと自由空間再構成可能な光学デコーダーを使用した光学生成モデルを開発した.
  • 光学生成シードとして全光学的に処理され,画像を生成する.
  • 実験的なデモのための可視光を活用し,さまざまな画像タイプを生成します.

主要な成果:

  • 手書きの数字,ファッションアイテム,蝶,人間の顔,芸術作品の単色と多色の画像を成功裏に生成しました.
  • デジタルニューラルネットワークベースの生成モデルに匹敵する性能を達成した.
  • 推論中に最小限のコンピューティング電力消費でエネルギー効率の良い画像合成が実証されています.

結論:

  • 光学的な生成モデルは,エネルギー効率が高く,スケーラブルなAI推論のための有望な経路を提供します.
  • このアプローチは,新しい人工知能によって生成されたコンテンツのための光学とフォトニクスを活用します.
  • 開発されたモデルは,AIとコンテンツ生成の将来のアプリケーションの可能性を示しています.