Principles of Colour and Appearance Measurement

Dr. Asim Kumar Roy Choudhury is presently working as principal, KPS Institute of Polytechnic, Belmuri. He retired as Professor and HOD (Textile) from the Government College of Engineering and Textile Technology, Serampore (W.B.), India. He has over 30 years' experience in textile coloration and finishing in academia and industry, and has written numerous papers and several books on the subject, including the recently published two-volume work Principles of Colour and Appearance Measurement.

Author contact details

Woodhead Publishing Series in Textiles

1. Characteristics of light sources

Abstract:

1.1 Introduction

1.2 Process of visual perception

1.3 Optics

1.4 Radiometry

1.5 Photometry

1.6 Black-body radiation

1.7 Colour temperature

1.8 Different light sources

1.9 Illuminants

1.10 Luminous efficacy of lamps

1.11 Colour rendering

1.12 References

2. Object appearance and colour

Abstract:

2.1 Introduction

2.2 Interaction of light with objects

2.3 Reflection

2.4 Scattering

2.5 Refraction

2.6 Transmission and absorption

2.7 Mechanisms of colour generation

2.8 References

3. Colour and appearance attributes

Abstract:

3.1 Introduction

3.2 Physical and psychophysical attributes

3.3 Gloss

3.4 Retroreflection

3.5 Transparency

3.6 Colour attributes

3.7 Assessment of colour appearance

3.8 Total appearance concept

3.9 Emotional aspects of colour

3.10 Colour combination schemes

3.11 Emotional aspects of colour combinations

3.12 References

4. Principles of colour perception

Abstract:

4.1 Introduction

4.2 Analysis of sun radiation

4.3 Principles of colour mixing

4.4 Colour matching experiment

4.5 CIE 2 Degrees standard observer functions

4.6 CIE 10 Degrees standard observer functions

4.7 Transformation of primaries

4.8 The human vision system

4.9 The remarkable properties of the eye

4.10 Colour vision theories

4.11 References

5. Unusual visual phenomena and colour blindness

Abstract:

5.1 Introduction

5.2 Unusual visual phenomena

5.3 Variation in colour vision

5.4 Defective colour vision

5.5 Yellowness of vision

5.6 References

6. Colour measurement instruments

Abstract:

6.1 Introduction

6.2 Measuring instruments

6.3 Video cameras for colour measurement

6.4 Components of colour measuring instruments

6.5 Measuring geometry

6.6 Direct versus reverse optics

6.7 Sample preparation and presentation

6.8 Sources of error

6.9 Future trends

6.10 References

7. Using instruments to quantify colour

Abstract:

7.1 Colorimetry

7.2 Colour space

7.3 Reflectance of object

7.4 CIE tristimulus colour space

7.5 Chromaticity

7.6 Chromaticity diagram

7.7 Dominant wavelength and excitation purity

7.8 CIE object colour solid

7.9 Advantages and disadvantages of CIE tristimulus colorimetry

7.10 Uniform colour scales

7.11 Fundamental colour space

7.12 Future trends

7.13 References

8. Issues in measuring whiteness and fluorescence

Abstract:

8.1 Introduction

8.2 Characteristics of whites

8.3 Whiteness improvement

8.4 Fluorescence

8.5 Problems of assessment

8.6 Measurement of fluorescence

8.7 UV calibration

8.8 UV calibration standards

8.9 Visual assessment of whiteness

8.10 References

9. Instrumental measures of whiteness

Abstract:

9.1 Introduction

9.2 Physical methods

9.3 Colorimetric methods

9.4 New whiteness indices

9.5 Topology of whiteness

9.6 Yellowness index

9.7 Application of whiteness indices

9.8 References

Index