S4-Chap4-Color in Image and Video-2025

Chap4-Color in Image and Video

4.1 Color Science

光和光譜 (Light and Spectra)

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能量

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4.1.2 Human Vision

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4.1.3 Spectral Sensitivity of the Eye

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人類視覺系統的光譜敏感度

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4.1.4 Image Formation

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4.1.5 Camera Systems

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4.1.6 Gamma Correction

Gamma 校正 (Gamma Correction) 的概念

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中文介紹以及Weber-Fechner定律

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更細緻的分法 more general transform

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4.1.7 Color-Matching Function

心理學中發展出來的顏色匹配技術

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4.1.8 CIE Chromaticity Diagram

顏色匹配函數 (color-matching functions)

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三刺激值 (Tristimulus Values) and CIE 色度圖的由來

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如何從三刺激值 (X, Y, Z) 推導出二維的色度 (chromaticity) 坐標 (x, y)

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CIE 色度圖的一些重要特性

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CIE 色度圖的特性和用途

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4.1.9 Color Monitor Specifications

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4.1.10 Out-of-Gamut colors

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格拉斯曼定律 (Grassmann’s Law)、加色法和減色法 (Additive and Subtractive Color)，以及 色域 (Gamut) 的概念

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4.1.11 White Point Correction

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4.1.12 XYZ to RGB Transform

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4.1.13 Transform with Gamma Correction

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4.1.14 Lab* (CIELAB) color Model

韋伯定律 (Weber’s Law)

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CIELAB 色彩空間

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4.1.15 More Color Coordinate Schemes

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4.2 Color Models in Images

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4.2.2 Multi-sensor Cameras

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4.2.3 Camera-Dependant Colour

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4.2.4 Subtractive color: CMY color model

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4.2.5 Transformation from RGB to CMY

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4.2.6 Undercolor Removal: CMYK System

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4.2.7 Printer Gamuts

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4.3 Color Models in Video

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4.3.2 YUV Color Model

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4.3.3 YIQ Color Model

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4.3.4 YCbCrColor Model