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Audio and Video Production (Digital Imaging)

Showing 1-75 of 274 answers

A color space that is used mainly in applications related to video
  • CMY color space
  • NTSC color space
  • HSV color space
  • YCbCr color space Correct
A color space type wherein image's luminance component are specified by component Y and its color information was specified by the combined Cb and Cr component
  • HSV color space
  • YCbCr color space Correct
  • CMY color space
  • NTSC color space
A detection in an image which is also carried out using Laplacian masks
  • line edges
  • line detection Correct
  • line corrosion
  • line structure
A fast rate of change of intensity in a direction given by the angle of the gradient vector is observed in edge pixels
  • True Correct
  • False
A filter that eliminates a value of pixel with the use of the median value from its neighboring pixel
  • mid-point filter
  • order statistics filter
  • media filter Correct
  • min filter
A filter type that applies a combined technique of the average filter and order statistics filter
  • medial filter
  • order statistics filter
  • min filter
  • mid-point filter Correct
A form of Fourier transform that is utilized to convert a digital image into its frequency domain
  • High-Pass filter
  • Low-Pass filter
  • Fourier Transform
  • Discrete Fourier Transform Correct
A functional element of a finite number of elements, each one of which had a particular location and value
  • Discrete signal
  • Digital image Correct
  • Analog signal
  • Deterministic signal
A group of color pixels with size of M x N x 3, where each color pixel is a triple combination of the red, green, and blue color of a color image
  • mosaic image
  • pixel image
  • color image Correct
  • RGB image
A mandatory process that takes place when an image is passed along a communication channel due to the bandwidth limitation
  • image application
  • image compression Correct
  • digital application
  • image processing
A masking that generates precise sharp transitions on the output image having high emphasis compare from its original image
  • Unsharp masking Correct
  • Blur masking
  • Edges masking
  • Filter masking
A mean filter that computes the average value of a degraded image g(x, y) in the area defined by Pxy
  • arithmetic mean filter Correct
  • contra harmonic mean filter
  • harmonic mean filter
  • geometric mean filter
A mean filter type that computes for the degraded image's average value on the area identified by Pxy
  • harmonic mean filter
  • contra harmonic mean filter
  • geometric mean filter
  • Arithmetic mean filter Correct
A method that performs some operations on an image in order to get an enhanced image is called Image processing
  • True Correct
  • False
A method where a high value is allotted to the pixels with gray levels in the range of interest and a low value is allotted to the other pixels
  • Gray level slicing with background
  • Gray level slicing without background Correct
  • Gray level slicing
  • Gray level conversion
A procedure that is commonly used in various vision application in industries such as object recognition, image segmentation and defect detection are known as the morphological processing
  • True Correct
  • False
A procedure where a time series, image, or higher dimension scalar data is updated such that its histogram matches with the other (reference) dataset
  • Histogram stretching
  • Histogram equalization
  • Histogram
  • Histogram matching Correct
A process by which the inputs are the cover data and watermark data, and the resulting output is the watermarked data
  • embedding process Correct
  • discrete wavelet transform (DWT)
  • discrete cosine transform (DCT)
  • extraction process
A signal can be categorized based on its shapes, energy, time intervals, and other physical assets
  • True Correct
  • False
A structuring element where any on pixel in the structuring element covers an on pixel in the image
  • fit
  • miss
  • hit Correct
  • hit and miss
A technique that can be implemented using various approaches such as least significant bit (LSB) substitution in the spatial domain
  • copyright technique
  • hybrid compression
  • watermarking technique Correct
  • template matching
A technique that is used to create a sharp transition for the output images which results to a better output than the original
  • High-Pass Frequency
  • Ideal LPF
  • Unsharp masking Correct
  • Low-Pass Frequency
A type of color space where it is primarily applied to many applications related to videos
  • YCbCr color space Correct
  • NTSC color space
  • CMY color space
  • HSV color space
A type of conversion which is a special case of contrast stretching where r1 = r2, s1= 0, and s2= L – 1
  • Image contrasting
  • Gray level slicing
  • Contrast Stretching
  • Contrast thresholding Correct
A type of depth in an image where it is specified as having (2b) 3, and in here the variable b is represented by the quantity of bits
  • color depth
  • pixel depth
  • image depth
  • bit depth Correct
A type of edge detector that can identify edges in vertical, horizontal or even both directions in the image
  • objective detector
  • line detector
  • edge detector Correct
  • image detector
A type of function for smoothing that presents blurring in an image
  • Sobel function
  • Gaussian function Correct
  • Canny function
  • Roberts function
A type of recognition/ detection to an image which is additionally completed out using Laplacian masks
  • line corrosion
  • line detection Correct
  • line edges
  • line structure
All regions with smooth gray levels are shattered in the output image are similar to the spatial domain HPF
  • True Correct
  • False
An additional process of gray level conversion where an operating function is useful to a neighborhood pixel of each targeted pixel
  • Histogram processing
  • Neighbor processing Correct
  • Histogram equalization
  • Image filter
An algorithm having the assumption that the edges are the pixels with a high gradient
  • edge filtering algorithm
  • edge detection algorithm Correct
  • edge blurring algorithm
  • edge vector algorithm
An application that is widely used in mobile phones to capture an image with a wider area
  • image compression
  • template matching
  • image processing
  • Image mosaicing Correct
An approach which can be applied using various techniques such as least significant bit substitution within the spatial domain
  • copyright technique
  • template matching
  • watermarking technique Correct
  • hybrid compression
An edge detector algorithm which was proposed and implemented by John F Canny way back in 1986
  • Canny edge detector algorithm Correct
  • Roberts edge detector algorithm
  • Sobel edge detector algorithm
  • Prewitt edge detector algorithm
An essential morphological operations that can fix intrusions in black objects and can strip away extrusions in white objects
  • corrosion
  • dimension
  • erosion Correct
  • dilation
An essential morphological operations that widens white and shrinks black objects
  • corrosion
  • erosion
  • dimension
  • dilation Correct
An instance of Gaussian noise are noise due to electronic circuits and sensors
  • True Correct
  • False
An instance of Gaussian noise due to electronic circuits and sensors
  • True Correct
  • False
An instance of image enhancement is __________
  • contrast stretching Correct
  • contact stretching
  • human visual system
  • noise stretching
An instance of image enhancement is reconstructing an image while an instance of image restoration is removing a blur in the image
  • True
  • False Correct
An instance of image restoration is removing a blur in the image
  • instance of image filtering
  • instance of image restoration Correct
  • instance of image stretching
  • instance of image enhancement
An intensity which may be measured as random variable and is derived by the Probability Density Function(PDF)
  • image intensity
  • parameter intensity
  • noise intensity Correct
  • values intensity
An open-source software designed for the processing of mathematics equations and scientific interpretation
  • Java Dev Kit
  • Visual Studio
  • Matlab
  • Scilab Correct
An operation that is comparable to erosion, but it doesn't cause the disappearance of object components
  • filtering operation
  • thickening operation
  • filtering operation
  • thinning operation Correct
Any abrupt transition, such as edges and borders, will be replaced by a smooth transition is called ______
  • Low-frequency domain filter
  • High-frequencydomain filter
  • Sharpening Filter
  • Smoothing Filter Correct
Any color image can be represented by various types of color spaces
  • True Correct
  • False
Are color pixels with the standard size of MxNx3 where each of its color pixel is 3 times the combination of red, green, and blue color of a color images
  • RGB image
  • mosaic image
  • pixel image
  • color image Correct
Are produced by DFT which can be organized in an ungainly manner
  • frequency components Correct
  • frequency domain
  • frequency filter
  • Internal frequency
Based on multimedia data, watermarking can be classified as image watermarking, video watermarking, audio watermarking, and document watermarking
  • True Correct
  • False
Based on the amplitude and the time axis, it refers to a signal that has never been repeated in any time interval
  • Continuous signal
  • Deterministic signal
  • Aperiodic signal Correct
  • Discrete signal
Basing from a time interval, a signal can be categorized as an analog time signal or a digital time signal
  • True
  • False Correct
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
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
Digital watermarking is utilized to identify individuals and other difficulties that the user can encounter on a regular basis
  • True
  • False Correct
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
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
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
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
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
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