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Audio and Video Production (Digital Imaging)

Showing 76-150 of 370 answers

Bit plane refers to the inversion of the gray level, like, the white value pixel in the original image will now become the black value pixel in the processed image and/ or vice versa
  • True
  • False Correct
Bit plane slicing is a kind of image processing is primarily utilized in image compression and image watermarking
  • True Correct
  • False
Can be characterized using a sequence of binary images by slicing it into different bit-planes
  • Binary image
  • Bit plane image
  • Gray-scale image Correct
  • Processed image
Canny Edge Detector is known as the simplest edge detector algorithm
  • True
  • False Correct
CMYK is a group of color pixels having the size of M x N x 3, wherein every color pixel is a tri-combination of the red, green, and blue color of a color image
  • True Correct
  • False
Colorimages can be converted into any of the color spaces using SCILAB
  • True Correct
  • False
Contrast stretching is an example of ____________
  • Picture Deterioration
  • Picture Enhancement Correct
  • Image Transmission
  • Image Restoration
Convolution process decreases one degraded pixel in an image at a time to progress a restoration algorithm for each possible degraded pixel and combines the results of each process
  • True
  • False Correct
D_0 is a cut-off frequency in an ideal LPF which determines non-negative distance
  • True
  • False Correct
Deconvolution process refers to the process of restoration wherein the degradation function is linear and invariant
  • True Correct
  • False
Deterministic signal alludes to a specific signal if for every value of the said signal is characterized
  • True Correct
  • False
Digital watermarking is utilized to identify individuals and other difficulties that the user can encounter on a regular basis
  • True
  • False Correct
Dilation refers to the structuring element that is located within its origin at (x, y)
  • True Correct
  • False
Dilation widens black and shrinks white objects
  • True
  • False Correct
Dilationmay remove extrusions from white items and correct incursions in black objects
  • True
  • False Correct
Empowers high-frequency elements to pass and low-frequency elements are weakened
  • high-pass frequency domain filter Correct
  • gausian LPF
  • butterworth HPF
  • low-pass frequency domain filter
Erosion can fix breaks in black objects and can split apart white objects
  • True Correct
  • False
Erosionand dilation are the two most essential operations in Digital Image Processing
  • True
  • False Correct
Every time it is signified in terms of the collection of pixels, object is said to be in the spatial domain
  • True Correct
  • False
Fits and Hits are the two most important morphological processes
  • True
  • False Correct
Foer an RGB color space, the SCILAB function syntax changes over into the HSV color space and HSV to RGB are as per the following: HSV = hsv2rgb(RGB) and RGB = rgb2hsv (HSV)
  • True
  • False Correct
Fourier domain is more economical and a strong alternative to linear spatial filtering
  • True
  • False Correct
Fourier transform allows us to make tasks which could be terrible to perform but its efficiency allows us to perform other tasks more quickly
  • True Correct
  • False
Functional elements refers to elements that are essentially tiny binary images having a value of 0 or 1 Structuring elements
  • True
  • False Correct
Gaussian LPF's inverse FFT is also Gaussian
  • True Correct
  • False
Gaussian noise is a special case of Erlang/gamma noise with b = 1
  • True
  • False Correct
Geometric mean filter provides an enhanced smoothing results compare to the arithmetic mean filter and it also provides more detail from the noisy image
  • True Correct
  • False
Gray level slicing without background is a strategy where a high value is assigned to the pixels with gray levels in the range of interest and a low value is allotted to the other pixels
  • True Correct
  • False
Handles a primary key role in navigation, identification, verification, gait, gesture, posture, communication, and in psychological interpretation
  • Human Respiratory System
  • Human Audio System
  • Human Digestive System
  • Human Visual System Correct
High-frequency emphasis is similar to the unsharp masking
  • True Correct
  • False
High-Pass filter is the upgraded version of the Order Statistic Filter that is used to enhance the edges while retaining the background
  • True
  • False Correct
Ideal Low-Pass Filter was the most well-known ideal filter mainly because it provides a piercing cut-off
  • True Correct
  • False
If a signal has been repeated in some time interval, they are known as deterministic signals; else it is called as a random signal
  • True
  • False Correct
Image degradation changes over bitmap data into improved structured data that are simpler to interpret
  • True
  • False Correct
Image degradation is planned to work on an image in order to obtain benefit from the psychophysical facets of human visual system (HVS)
  • True
  • False Correct
Image degradation reduces a large amount of needless data, living only those important data for image analysis
  • True
  • False Correct
Image mosaicking is generally used in industry to search for defects in products, for product packaging, and for object identification
  • True Correct
  • False
Image processing is the procedure of extraction of critical information from the signal
  • True
  • False Correct
Image restoration is focused on towards modeling the degradation and implementing the inverse process in order to reconstruct an original image
  • True Correct
  • False
Imagecompression is used to separate an image into constituent parts based on someimage attributes
  • True
  • False Correct
Images captured by means of an acquisition process does not possess exactly the same information as original object, as image incurred some degradation in acquisition process
  • True Correct
  • False
Impartial process is also known as ______
  • Image Degradation
  • Image Transmission
  • Image Enhancement
  • Image Restoration Correct
Impulse noise shows in an image during its completion thru the use of electrical or electromechanical tools
  • True
  • False Correct
In Canny edge detector, sigma is an aperture parameter for the Sobel operator having the default value equal to 3
  • True Correct
  • False
In frequency domain filtering, the operation of the image is completed by convolving the original image with a filtering mask
  • True
  • False Correct
In histogram stretching, the main idea is to level all values of the histogram so that the entire gray level range from 0 to L - 1 is covered
  • True
  • False Correct
In Ideal Low-Pass Filter, the strength of the filter can be determined by computing the percentage of the total power contained inside the circle of the radius of D0 centered at the origin of the frequency plane
  • True Correct
  • False
In identity conversion, the processed pixel must have the same gray level as to the original pixel
  • True Correct
  • False
In Low-Pass Frequency Domain Filter, boundaries and edges are substituted with smooth transitions
  • True Correct
  • False
In Miss procedure, the structuring element is moved across every pixel in the original image to give a new pixel value for the processed image
  • True
  • False Correct
In NTSC color space system, a color image has three components: luminance (Y), hue (I), and saturation (Q)
  • True Correct
  • False
In the application of image template matching, two areas of an institute are acquired and one image is generated showing details from both images
  • True
  • False Correct
In the CMYKcolor image, any pixel has a combination of three colors (red, green, and blue)
  • True
  • False Correct
In the conversion of an RGB images into other spaces, the inbuilt functions are available for conversion of a color image into any spaces and vice versa
  • True Correct
  • False
In the electrical system, current and voltage are represented as signals and called electrical signals
  • True Correct
  • False
In thresholding, if the value of threshold is constant it is known global thresholding
  • True Correct
  • False
In what year does the Roberts edge detector proposed and implemented?
  • 1964
  • 1965
  • 1960
  • 1963 Correct
In-built high-level programming in Scilab is interpreted automatically
  • True Correct
  • False
Inbuilt function RGB special is used to define any image filter with a specific value
  • True
  • False Correct
Is a process where an image might be reverted to its original form by its degraded state
  • image enhancement
  • image degradation
  • image restoration Correct
  • image convolution
Is an exceptional compressing function and is therefore in log conversion
  • Log operator Correct
  • Log file
  • Log machinist
  • Log operative
Is there a command to record all commands that you type and save them to a file so thatyou can see them later?
  • Type help log
  • Type help diary Correct
  • Type help record
  • Type help history
It actually refers to the occurrence of image enhancement
  • noise stretching
  • contrast stretching Correct
  • contact stretching
  • human visual system
It alludes to pixels of object wherein its neighbor pixels have a value of 0 bits at least
  • dotted pixel
  • borderline pixel Correct
  • endpoint pixel
  • marginal line pixel
It alludes to the classification of image degradation which typically happens due to blurring
  • noise degradation
  • spatial degradation Correct
  • point degradation
  • full degradation
It alludes to the moment when the process of extracting objects from the background is to choose a threshold
  • background point
  • end-point
  • mid-point
  • starting point Correct
It alludes to the quantity of light reflected from a specific point
  • illumination component
  • reflectance component Correct
  • domain component
  • frequency component
It alludes to the reversal of the gray level, for example, the black value pixel from the original image will turn into white value pixel in the processed image and/ or the other way around
  • Log conversion
  • Gray level conversion
  • Identity conversion
  • Image negative conversion Correct
It also allows us to isolate and process image "frequencies", and to perform low-pass and high-pass filtering with a higher degree of precision
  • Fourier transform Correct
  • Periodic function
  • Spatial domain filtering
  • Image enhancement
It appears in an image during its attainment using electrical or electromechanical tools
  • image noise
  • periodic noise Correct
  • estimation of noise
  • approximate noise
It broadens the frequency component values of an object, which is created in an image within the spatial domain
  • Rotation property Correct
  • Translation property
  • Shift property
  • Scale property
It can be characterized as the integral of sines/cosines multiplied by the weighing function
  • Periodic function
  • Non-periodic function Correct
  • Spatial domain filtering
  • Image enhancement
It can be detected in a horizontal, vertical, +45°, and -45°direction
  • images
  • objects
  • dots
  • lines Correct
It changes over bitmap data into a more structured data that are simpler to interpret
  • image segmentation Correct
  • image derivative
  • image detection
  • image degradation
It characterizes different image processing procedures which manages the state of features in an image
  • dimensional image processing
  • morphological image processing Correct
  • compounded image processing
  • structural image processing
This course is taught by the mentor:
Professor Maksuda Sultada

Maksuda Sultada

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