Digital Image Processing Exam
Questions and Answers 100% Solved
Has been converted to numeric values - ✔✔digital image
Image is divided into an array of pixels - ✔✔Scanning
Measure the brightness level of each of the pixels - ✔✔Sampline
Brightness levels obtained from sampling are assigned an integer called a
gray level - ✔✔quantization
2 bit ADC will convert the analog signal into _____ equal parts, resulting in
_____ gray levels - ✔✔4, 4
8 bit ADC will convert the analog signal into _____ equal parts, resulting in
_____ gray levels - ✔✔256, 256
Digital imaging modalities have ______ to ______ bit ADCs - ✔✔8 to 32
The greater the number of ______, the more accurately the _______ from
the detectors can be digitized - ✔✔bits, digitized
Fundamental parameters of digital image formaiton: - ✔✔matrix, pixels,
voxels, bit depth
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, 2D array of numbers that consists of rows (M) and columns (N) - ✔✔matrix
Picture elements - ✔✔pixels
Dimension of the image: - ✔✔M and N
What you see/do to the image: - ✔✔field of view (FOV)
Image size:
_____ x _____ x _____ (number of bits per pixel) - ✔✔M x N x k bits
(number of bits per pixel)
What does each pixel contain? - ✔✔a number (discrete value)
Larger matrix = _______ pixel size - ✔✔smaller
Reflects tissue characteristics being imaged = ________ level -
✔✔brightness
Each pixel represents a shade of _______ - ✔✔gray
Pixel size = _____ / _____ - ✔✔FOV / matrix size
The overall dimension (FOV) of the matrix is 400 x 400 mm and the matrix
size is 200 x 200 mm. What is the size of each pixel? - ✔✔ = 2
= 2
=2x2
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Questions and Answers 100% Solved
Has been converted to numeric values - ✔✔digital image
Image is divided into an array of pixels - ✔✔Scanning
Measure the brightness level of each of the pixels - ✔✔Sampline
Brightness levels obtained from sampling are assigned an integer called a
gray level - ✔✔quantization
2 bit ADC will convert the analog signal into _____ equal parts, resulting in
_____ gray levels - ✔✔4, 4
8 bit ADC will convert the analog signal into _____ equal parts, resulting in
_____ gray levels - ✔✔256, 256
Digital imaging modalities have ______ to ______ bit ADCs - ✔✔8 to 32
The greater the number of ______, the more accurately the _______ from
the detectors can be digitized - ✔✔bits, digitized
Fundamental parameters of digital image formaiton: - ✔✔matrix, pixels,
voxels, bit depth
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, 2D array of numbers that consists of rows (M) and columns (N) - ✔✔matrix
Picture elements - ✔✔pixels
Dimension of the image: - ✔✔M and N
What you see/do to the image: - ✔✔field of view (FOV)
Image size:
_____ x _____ x _____ (number of bits per pixel) - ✔✔M x N x k bits
(number of bits per pixel)
What does each pixel contain? - ✔✔a number (discrete value)
Larger matrix = _______ pixel size - ✔✔smaller
Reflects tissue characteristics being imaged = ________ level -
✔✔brightness
Each pixel represents a shade of _______ - ✔✔gray
Pixel size = _____ / _____ - ✔✔FOV / matrix size
The overall dimension (FOV) of the matrix is 400 x 400 mm and the matrix
size is 200 x 200 mm. What is the size of each pixel? - ✔✔ = 2
= 2
=2x2
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
