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WorksheetsComputer Vision
Total questions: 10
Worksheet time: 3mins
What is the main purpose of computer vision in robotics systems?
Encrypt communications
Interpret visual data to support decision-making
Simulate robot movements
Store cloud data
What is a pixel in the context of digital images?
A type of filter used to detect edges
The smallest unit of a digital image, representing a single point of color or intensity
A mathematical operation for image segmentation
The depth sensor in stereo vision systems
What is the primary purpose of applying image filters during image processing?
To animate the image for better visual appeal
To reduce noise and enhance important features
To convert images into text
To randomly change pixel values
Which filter is most effective for removing salt-and-pepper noise from an image?
Mean filter
Gaussian filter
Median filter
Bilateral filter
What is the output of an image segmentation algorithm using thresholding?
A color-enhanced image
A binary image separating background and object
An animated gif
A compressed image
In OpenCV, which function is used to convert an image from BGR to Grayscale?
cv2.grayConvert()
cv2.imageToGray()
cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
cv2.colorGray()
Which operation removes pixels from the object boundary in binary images?
Dilation
Erosion
Thresholding
Contouring
. Which algorithm applies two masks (horizontal and vertical) to estimate gradient intensity in an image?
Laplacian
Hough Transform
Sobel
Fourier Transform
What is the first step in the Canny edge detection algorithm?
Calculating gradient direction
Applying a Gaussian filter to reduce noise
Hysteresis thresholding
Converting to binary image
How does the Canny algorithm ensure edges are clean and precise during the third stage?
By compressing the image
By combining all channels into one
By suppressing non-maximum gradients
By randomizing pixel values
