5
Artificial Intelligence
Unit 5: Computer Vision
255+ practice questions available
Sample Practice Questions
5 questions shown — tap “Show Answer” to check yours.
1
easy
What is a pixel?
AThe smallest unit of a digital image
BA type of camera lens
CA programming tool used in AI
DA unit of measuring screen brightness
2
medium
What is image inpainting?
AA technique that fills in missing or damaged regions of an image with plausible content based on the surrounding context
BAdding paint effects to an image
CConverting an image to a painting style
DPainting on a digital canvas
3
medium
What is model quantization?
AReducing the numerical precision of model weights and activations from 32-bit floating point to lower bit representations like 8-bit integers
BIncreasing the precision of model weights
CCounting the total number of parameters
DConverting model weights to binary code
4
hard
What is the Lucas-Kanade method for optical flow?
AA local method that assumes constant flow in a small neighborhood of each pixel, solving an over-determined system using least squares
BA technique for compressing video frames
CA method for converting images to grayscale
DAn algorithm for face recognition
5
hard
What is gradient checkpointing?
AA memory optimization technique that trades compute for memory by recomputing intermediate activations during backpropagation instead of storing them all
BSaving model gradients to disk periodically
CChecking gradients for errors during training
DA method for freezing gradients in certain layers
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