i. Shown in the following figure is a grayscale image and its histogram: Levels iii. Preset: Custom Channel: RGB Input Levels: 128 Output Level: Preset: Custom Channel: RGB Match each of the bars in the histogram to the color it represents To maximize the contrast and tonal range of this image, what changes of the slider: should be made? Output Levels: Preset: Defau The following figures shows three different adjustments of the sliders made in the grayscale image's histogram. For each of the images, label the areas with the resulting grays. Specify whether it is black, white, or gray. If it is gray, estimate an RGB value for that gray. Levels 1.00 Channel: RGB Levels Input Level: Output Level 1.00 128 255 OK Cancel Auto Options... Cancel Auto Cancel Auto Options... Options ✔Preview ✔Preview Preset: Custon Channel: RGB Input Levels: 128 Output Levels: 1.00 Levels 191 255 Cancel Auto Options ✔Preview

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
Shown in the following figure is a grayscale image and its histogram:
Levels
i.
ii.
iii.
Preset: Custom
Channel: RGB
Input Levels:
128
Output Levels:
Preset: Custom
Channel: RGB
Input Level
Output Level
1.00
Preset: Default
Match each of the bars in the histogram to the color it represents
To maximize the contrast and tonal range of this image, what changes of the sliders
should be made?
1.00
Channel: RGB
Input Levels
The following figures shows three different adjustments of the sliders made in the
grayscale image's histogram. For each of the images, label the areas with the
resulting grays. Specify whether it is black, white, or gray. If it is gray, estimate an
RGB value for that gray.
Levels
Levels
Output Level
255
255
2
255
1.00
OK
Cancel
Auto
Options...
✔Previe
OK
Cancel
Auto
255
Options...
✔Previ
255
OK
Cancel
Auto
Options...
✔Preview
Preset: Custom
Channel: RGB
Input Level:
128
Output Level
1.00
Levels
191
255
OK
Cancel
Auto
Options.
✔Preview
Transcribed Image Text:Shown in the following figure is a grayscale image and its histogram: Levels i. ii. iii. Preset: Custom Channel: RGB Input Levels: 128 Output Levels: Preset: Custom Channel: RGB Input Level Output Level 1.00 Preset: Default Match each of the bars in the histogram to the color it represents To maximize the contrast and tonal range of this image, what changes of the sliders should be made? 1.00 Channel: RGB Input Levels The following figures shows three different adjustments of the sliders made in the grayscale image's histogram. For each of the images, label the areas with the resulting grays. Specify whether it is black, white, or gray. If it is gray, estimate an RGB value for that gray. Levels Levels Output Level 255 255 2 255 1.00 OK Cancel Auto Options... ✔Previe OK Cancel Auto 255 Options... ✔Previ 255 OK Cancel Auto Options... ✔Preview Preset: Custom Channel: RGB Input Level: 128 Output Level 1.00 Levels 191 255 OK Cancel Auto Options. ✔Preview
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