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関連する概念動画

Visual System01:26

Visual System

570
Light enters the eye through the cornea, a transparent, dome-shaped surface covering the surface of the eyeball that helps to direct and focus incoming light. This light is then channeled toward the pupil, an adjustable opening whose size is controlled by the iris. The iris, a pigmented muscle, regulates the amount of light entering the eye by contracting or dilating the pupil, thereby ensuring optimal light levels for clear vision.
Once through the pupil, the light passes through the lens, a...
570
Vision01:24

Vision

53.1K
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.
53.1K
Parallel Processing01:20

Parallel Processing

150
The brain processes sensory information rapidly due to parallel processing, which involves sending data across multiple neural pathways at the same time. This method allows the brain to manage various sensory qualities, such as shapes, colors, movements, and locations, all concurrently. For instance, when observing a forest landscape, the brain simultaneously processes the movement of leaves, the shapes of trees, the depth between them, and the various shades of green. This enables a quick and...
150
What is a Sensory System?01:31

What is a Sensory System?

93.2K
Sensory systems detect stimuli—such as light and sound waves—and transduce them into neural signals that can be interpreted by the nervous system. In addition to external stimuli detected by the senses, some sensory systems detect internal stimuli—such as the proprioceptors in muscles and tendons that send feedback about limb position.
93.2K
Color Vision01:24

Color Vision

556
Color perception begins in the retina, the light-sensitive layer at the back of the eye. Two main theories explain how colors are seen: the trichromatic theory and the opponent-process theory. The trichromatic theory, proposed by Thomas Young in 1802 and extended by Hermann von Helmholtz in 1852, suggests that color vision is based on three types of cone receptors in the retina. These cones are sensitive to different but overlapping ranges of wavelengths corresponding to red, blue, and green.
556
Motor and Sensory Areas of the Cortex01:14

Motor and Sensory Areas of the Cortex

3.7K
The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....
3.7K

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関連する実験動画

Updated: Jun 25, 2025

Using Looming Visual Stimuli to Evaluate Mouse Vision
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Using Looming Visual Stimuli to Evaluate Mouse Vision

Published on: June 13, 2019

11.3K

オープンワールドセンシングのための補完的な経路を持つビジョンチップ

Zheyu Yang1,2, Taoyi Wang1, Yihan Lin1

  • 1Center for Brain-Inspired Computing Research (CBICR), Optical Memory National Engineering Research Center and Department of Precision Instrument, Tsinghua University, Beijing, China.

Nature
|May 29, 2024
PubMed
まとめ
この要約は機械生成です。

研究者は人間の視覚系に 触発された新しい視覚チップを開発しました この補完的なセンシングパラダイムは,複雑なオープンワールドアプリケーションで堅牢な知覚のための高速で高ダイナミックレンジの画像センシングを可能にします.

さらに関連する動画

Lensless Fluorescent Microscopy on a Chip
11:23

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

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Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping
07:11

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

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関連する実験動画

Last Updated: Jun 25, 2025

Using Looming Visual Stimuli to Evaluate Mouse Vision
05:07

Using Looming Visual Stimuli to Evaluate Mouse Vision

Published on: June 13, 2019

11.3K
Lensless Fluorescent Microscopy on a Chip
11:23

Lensless Fluorescent Microscopy on a Chip

Published on: August 17, 2011

17.6K
Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping
07:11

Author Spotlight: Insights into Visual Cortex Research Through Wide-View fMRI Mapping

Published on: December 8, 2023

1.5K

科学分野:

  • コンピュータ・ビジョン
  • センサー技術
  • バイオミメティック・システム

背景:

  • イメージセンサは 動的で予測不可能な オープンワールドのシーンに苦労します 電力と帯域幅の制限のためです
  • 既存のセンサーは 速度,解像度,ダイナミックレンジ,精度とのトレードオフに直面しています

研究 の 目的:

  • 人間の視覚系にインスパイアされた 新しい補完的なセンシング パラダイムを導入する
  • 様々なオープンワールドのアプリケーションのためのビジョンシステムの開発における根本的な制限を克服する.

主な方法:

  • ハイブリッドピクセル配列と並列と異質の読み取りアーキテクチャを持つビジョンチップTianmoucを開発しました.
  • 認知指向と行動指向の経路を作成するために 原始的な表現を実装しました.
  • Tianmoucチップを自動運転システムに組み込みました

主要な成果:

  • 高速感知が1万フレーム/秒で ダイナミックレンジは130dB
  • 90%の適応帯域幅の減少が示されています.
  • 自動運転のシナリオに 精度が高く 速さも高く 感知力を発揮します

結論:

  • プリミティブベースの補完的なセンシングパラダイムは,現在の画像センサー技術の限界を効果的に解決します.
  • Tianmoucチップは,オープンワールドアプリケーションの空間解像度,速度,ダイナミックレンジで優れた性能を提供します.
  • このアプローチは 複雑な環境における 自動運転システムの知覚能力を高めます