This operation can be attained using the erosion process followed by the dilation process
filtering image
closing image
opening imageCorrect
extracting image
This process includes essential operations such as noise reduction in the image, image enhancement with regards to contrast, and image sharpening
Low-level image processingCorrect
Multi-level image processing
Mid-level image processing
High-level image processing
This refers to an element that is used for structuring image which can resolve breaks from white objects and this element can also divide black objects
dimension
erosion
corrosion
dilationCorrect
This signal processing is an advanced field of interest in an industry where information is attained from various dimensions
One-Dimensional signal
Three-Dimensional signal
Two-Dimensional Signal
Multi-Dimensional signalCorrect
This type of imaging is primarily used in NASA's LANDSAT satellite, which acquires earth images from space for weather monitoring and environmental conditions in specific areas of the Earth
Visual imagingCorrect
Gamma-ray imaging
X-ray imaging
Ultraviolet imaging
This type of mean filter can work on all types of noisy pictures except for photographs that have been tainted by pepper noise It is called ______
Arithmetic
Geometric
HarmonicCorrect
Contra Harmonic
To keep the regions with constant gray levels, a large negative constant is included to the filter transfer function before applying on F(u, v)
True
FalseCorrect
Translates a hue, saturation, value (HSV) image to the equivalent red green blue (RGB) image
hsv2rgbCorrect
mat2gray
im2bw
imgraythresh
Translates sound waves into nerve impulses, to examine auditory events, rememberHunab and recognize sound sources, and perceive acoustic arrangements
Human Visual System
Human Auditory SystemCorrect
Human Digestive System
Human Respiratory System
Unlike ideal HPF, the Butterworth HPF transfer function does not have any sharp discontinuity and clear cut-off between the passed frequency and filtered frequency
TrueCorrect
False
Usinga linear spatial filter to sharpen a color image is the same as sharpening agray-scale image
TrueCorrect
False
Visual imaging and ultraviolet imagingare highly utilized in the examination of the human body in medical science
True
FalseCorrect
What are the other ways of obtaining online help in Scilab, other than typing "help" at the command prompt?
F3
F2
F4
F1Correct
What are the shortcut keys to use the command history?
Scroll keys
Num keys
Arrow keysCorrect
Function keys
What is command use to view the history?
Go to the menu Help -> History
Go to the menu Edit -> HistoryCorrect
Go to the menu Control -> History
Go to the menu View -> History
What is the command to clear the screen?
clea
clcCorrect
clrscr
clearscreen
What is the first step in image enhancement for ease of deployment of image processing applications?
ThresholdingCorrect
Template Matching
Opening
Thickening
What is the short cut key to clear the screen?
F3 key
F4 key
F1 key
F2 keyCorrect
When any image is transmitted through a communication channel, compression of the image is required due to the band limitation of the channel rephrase
TrueCorrect
False
When any image is transmitted through acommunication channel, __________ of the image is required due to the bandlimitation of the channel
Mosaicing
CompressionCorrect
Segmentation
Enhancement
When the canny edge detection method was developed and implemented by John F Canny?
1968
1963
1983
1986Correct
Whenever it is represented in terms of the collection of pixels, it is said to be in the spatial domain
ImageCorrect
Signal
Pointer
Gesture
Where are the demo programs that demonstrate Scilab's capabilities?
DemosCorrect
Editor
File
View
Where can you change the font used by Scilab?
menu Control
menu PreferencesCorrect
menu Editor
menu Graphic Windows
Where can you find user contributeddocuments on using and applying Scilab?
Control
Editor
Demo
HelpCorrect
Which algorithm requires the processed pixel to have the same gray level as the original pixel during the conversion?
Gray level Slicing
Image Negative
Power Law Conversion
Identity ConversionCorrect
Which can be characterized by the sum of the sine/cosine functions of diverse frequencies, multiplied by a different coefficient?
Image Enhancement
Fourier Transform
Non-Periodic Function
Periodic FunctionCorrect
Which component is used to determine the quantity of light incident on the location?
High-frequency component
Illumination ComponentCorrect
Low-frequency component
Reflectance Component
Which conversion has the process of inverting the gray level in order to have a black value pixel in the original image becomes a white value pixel in the processed image, and vice versa?
Identity Conversion
Contrast Stretching
Image NegativeCorrect
Log Conversion
Which filter is used to remove a pixel value by comparing it to the median value of its neighbors?
Mean
MedianCorrect
Min
Mid-Point
Which filter is used to replace each pixel's gray level value with the usual gray level value of its neighbors?
High-Pass Filter
Low-Pass Average FilterCorrect
High-Boost Filter
Low-Pass Median Filter
Which filter reduces noise by blurring the image until it is no longer visible?
High-Boost Filter
High-Pass Filter
Low-Pass Average Filter
Low-Pass Median FilterCorrect
Which filter removes a pixel value by comparing it to the median value of its neighbors?
Min Filter
Mean Filter
Median FilterCorrect
Order Statistics Filter
Which function is used to specify a value forany image filter?
Color Image SmoothingCorrect
Color Image Histogram
Color Image Sharping
Color Edge Detection
Which is not a category of image-degrading noise?
Salt and Pepper Noise
Uniform Noise
Gaussian Noise
Spatial NoiseCorrect
Which is not a classification of a signal?
Time interval
WaveCorrect
Energy
Shape
Which is responsible in converting different sound waves into nerve impulses?
Human Visual System (HVS)
Digital Signal Processing (DSP)
Signal Processing
Human Auditory System (HAS)Correct
Which is used in examining auditory events, recognition of different source of sounds, or even in interpret acoustic inputs?
Digital Signal Processing
Signal Processing
Human Auditory System (HAS)Correct
Human Visual System (HVS)
Which method is used for fog removal in captured images and to improve visibility of objects or information in the image?
Image Compression
Image Enhancement
Image ProcessingCorrect
Image Watermarking
Which method is used to hide the data by incorporating the user's private information?
Image Compression
Fog Removal
WatermarkingCorrect
Template Matching
Which operation can be used to repair white item breaks as well as divide apart black objects?
Opening
Erosion
DilationCorrect
Closing
Which procedure is used to extract features of the original picture from its degraded counterpart, while keeping track of the degradation function and the noise parameter?
Image Sharpening
Image Degradation
Image Enhancement
Image RestorationCorrect
Which refers to a variety of image processing techniques that deal with the form of picture features?
Erosion
Morphological Image ProcessingCorrect
Dilation
Boundary Extraction
Which refers to the smallest item of information from within an image?
Image Processing
Digital Image
PixelCorrect
Visible Imaging
Which technique is applied to merge photos captured with different resolutions and lens angles?
Template Matching
Image Compression
Image MosaicingCorrect
Image Watermarking
Which type of filter changes the gray level value of every pixel with the normal gray level value of its neighborhood pixels?
Order Statistic Filter
High-Pass Filter
Low-Pass Average FilterCorrect
Low-Pass Median Filter
Which type of mean filter is used to the noisy picture in order to remove the salt and pepper noise?
Harmonic
Contra HarmonicCorrect
Arithmetic
Geometric
Wiener filtering eliminates the additive noise and inverts the blurring simultaneously