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Effects of Receiver White Point and Primaries Vertical Axis: Ratio of Reproduced Luminance to Correct Luminance Isometric Plot of Y, u, v Parker’s primaries and 9300K white 38
Simulating Effects of Receiver White Point and Primaries - Displaying on a Modern sRGB* Display • A 3x3 matrix in the linear domain will simulate the change of white point and primaries, converting the input RGB values Rp, Gp, Bp to sRGB display values Rs, Gs, Bs Parker 9300K + 27 MPCD to sRGB Rs = Gs = Bs = Rn 0.8632 -0.0157 -0.0156 Gn -0.1460 1.0726 0.0683 Bn 0.0254 -0.0046 1.1882 * sRGB primaries = HDTV primaries = ITU-R 709 primaries 39
Page 1 and 2: Viewing 1950s Color Over 50 Years L
Page 3 and 4: Introduction - Motivation • Discu
Page 5 and 6: Many Factors Affect Color Quality -
Page 23 and 24: Many Factors Affect Color Quality
Page 25 and 26: Order of Presentation for Factors S
Page 27 and 28: 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1
Page 29 and 30: Visual Display of Effects • Image
Page 31 and 32: Test Colors - Assorted (Spectrum is
Page 33 and 34: Receiver Effects 33
Page 35 and 36: Effects of Receiver White Point and
Page 37: Effects of Receiver White Point and
Page 41 and 42: Simulating Effects of Receiver Whit
Page 43 and 44: Original 43
Page 45 and 46: Parker’s Primaries and 9300K + 27
Page 65 and 66: Parker’s Matrix vs. Higher-Satura
Page 75 and 76: Vegetable Market - Parker’s Prima
Page 77 and 78: Vegetable Market - Parker’s Matri
Page 79 and 80: Vegetable Market - High Gain Matrix
Page 81 and 82: For the Remainder of this Presentat
Page 83 and 84: Image Orthicon Color Cameras L. UV-
Page 85 and 86: Gamma Correction and Noise 85
Page 87 and 88: Problems with Gamma Correction •
Page 89 and 90:
TK-41 Gamma Correction - Highlight
Page 91 and 92:
TK-41 Gamma Correction • The comb
Page 93 and 94:
Cascaded Gamma Correction Stages WI
Page 95 and 96:
TK-41 - Gamma Corrector OFF Linear
Page 97 and 98:
TK-41 - Highlight Compression, Nois
Page 99 and 100:
TK-41 - Highlight Compression, Gain
Page 101 and 102:
Original Original 101
Page 103 and 104:
Page 105 and 106:
TK-41 - Improved Image Orthicon - L
Page 107 and 108:
Higher-Gain Gamma Correction - 31 d
Page 109 and 110:
Page 111 and 112:
Histograms Generation of Noise in P
Page 113 and 114:
Histograms 0 1 2 0 1 2 0 1 2 11-Ste
Page 115 and 116:
Assumptions for Color Analysis •
Page 117 and 118:
Sources of Camera and System Data
Page 119 and 120:
Test Colors - Gretag-Macbeth Chart
Page 121 and 122:
“Taking Characteristics” for Gi
Page 123 and 124:
Display Primaries - NTSC 0.9 0.8 0.
Page 125 and 126:
Taking Characteristics - NTSC • T
Page 127 and 128:
RCA Trinoscope #1 127
Page 129 and 130:
Mitsubishi Trinescope 1964 New York
Page 131 and 132:
Taking Characteristics - Trinoscope
Page 133 and 134:
Taking Characteristics - Reduced Ga
Page 135 and 136:
Taking Characteristics - sRGB sRGB
Page 137 and 138:
Calculations • All measured and s
Page 139 and 140:
Calculations • Displayed color fo
Page 141 and 142:
Possible Improvements via Linear Ma
Page 143 and 144:
Camera Taking Characteristics • C
Page 145 and 146:
1949 Cameras • Camera used in Oct
Page 147 and 148:
November 1949 taking characteristic
Page 149 and 150:
October 1949 taking characteristics
Page 151 and 152:
March 1953 Cameras • Four cameras
Page 153 and 154:
140 120 100 80 60 40 20 0 -20 -40 -
Page 155 and 156:
March 1953 Camera No. 3 Taking Char
Page 157 and 158:
Prism Camera Taking Characteristics
Page 159 and 160:
Prism Measurements As Provided, wit
Page 161 and 162:
Tracing of Image Orthicon Spectral
Page 163 and 164:
Stage-by-Stage Analysis 163
Page 165 and 166:
Tracing of Widdop’s Blue Mirror T
Page 167 and 168:
Red Channel BLUE DICHROIC TRIM FILT
Page 169 and 170:
Red Channel Trimming Filters Red Ch
Page 171 and 172:
Red Channel Optics Plus Image Orthi
Page 173 and 174:
Green Channel TRIM FILTER BLUE DICH
Page 175 and 176:
Green Channel Dichroic Mirrors Plus
Page 177 and 178:
Blue Channel Using Widdop’s Mirro
Page 179 and 180:
Blue Channel Dichroic Mirror Blue C
Page 181 and 182:
Blue Channel Optics Plus Image Orth
Page 183 and 184:
Over-All Results with Widdop’s Mi
Page 185 and 186:
Over-All Results with Crossed Widdo
Page 187 and 188:
October 1949 camera 187
Page 189 and 190:
October 1949 camera CAUTION - Lumin
Page 191 and 192:
November 1949 camera 0.9 y November
Page 193 and 194:
March 1953 no.2 camera 193
Page 195 and 196:
March 1953 no.2 camera NORMAL VIEWE
Page 197 and 198:
March 1953 no.3 camera 0.9 0.8 0.7
Page 199 and 200:
Prism camera 199
Page 201 and 202:
Prism camera NORMAL VIEWER VARIATIO
Page 203 and 204:
Linear Luminance Curves • Each sl
Page 205 and 206:
November 1949 linear luma November
Page 207 and 208:
March 1953 no.3 linear luma 3/20/53
Page 209 and 210:
Results for Experimental and Hypoth
Page 211 and 212:
March 1953 Camera No. 2 with Trinos
Page 213 and 214:
March 1953 Camera No. 2 with Reduce
Page 215 and 216:
March 1953 Camera No. 2 with Reduce
Page 217 and 218:
Comments on Reduced-Gamut Display
Page 219 and 220:
Photoshop Adjustments to Approximat
Page 221 and 222:
Veggie Market As Seen by 10/49 Came
Page 223 and 224:
Effect of Incandescent Lighting Inc
Page 225 and 226:
Analysis of Illuminant Effects •
Page 227 and 228:
Analysis of Illuminant Effects •
Page 229 and 230:
NTSC Taking Curves Multiplied by IL
Page 231 and 232:
Prism Camera Taking Curves Multipli
Page 233 and 234:
Mar 53 #3 Camera Multiplied by IL C
Page 235 and 236:
Mar 53 #3 Camera, Illuminant, and G
Page 237 and 238:
Mar 53 #3 Camera, Illuminant, and R
Page 239 and 240:
March 1953 Camera No.3 Under Illumi
Page 241 and 242:
Page 243 and 244:
Page 245 and 246:
Page 247 and 248:
Prism Camera Under Illuminants C an
Page 249 and 250:
Prism Camera Under Illuminants C an
Page 251 and 252:
Prism Camera Under Illuminant C Wit
Page 253 and 254:
Prism Camera Under Illuminant C 253
Page 255 and 256:
Prism Camera Under Illuminant C NOR
Page 257 and 258:
Veggie Market as seen by Prism came
Page 259 and 260:
Conclusions • Computerized calcul
Page 261 and 262:
Conclusions • Color distortions c
Page 263 and 264:
Thank You 263
Page 265 and 266:
References [Ref01] Jay Adrick, priv
Page 267:
References Note: [Ref29 -Ref36] can
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