python openCV
Authored by Ronnie Luy
Computers
University
Used 82+ times
AI Actions
Add similar questions
Adjust reading levels
Convert to real-world scenario
Translate activity
More...
Content View
Student View
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the import cv2 statement do?
Imports the SciPy library for numerical processing.
Imports the NumPy library for numerical processing.
Imports our OpenCV Python bindings.
Displays an image to our screen.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
We have an image that is 393 pixels wide and 312 tall. How many total pixels are in the image?
367,848
122,616
280,800
93,600
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
OpenCV stores RGB pixels in what order?
BGR
GBR
RGB
BRG
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The RGB tuple (255, 0, 0) codes for red. But OpenCV would actually interpret this color as:
Orange
Blue
Green
Yellow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cropping: Now, suppose I want to extract a second rectangular region from my image starting at x=1, y=48 and ending at x=80, y=69. What is the correct line of code to perform this cropping?
Crop = image[80:69, 1:48]
Crop = image[1:48, 80:69]
Crop = image[48:80, 48:69]
Crop = image[48:69, 1:80]
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Given the following NumPy array shape, how would we interpret the width, height, and number of channels in the image: (400, 600, 3):
Width=600, height=400, channels=3
Width=600, height=3, channels=400
Width=400, height=600, channels=3
width=3, width=600, channels=400
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Suppose our image has a width of 700 pixels, a height of 550 pixels, and 3 channels, one for each Red, Green, and Blue component. How would we express this image as a NumPy array shape?
(550, 700, 3)
(3, 550, 700)
(700, 550, 3)
(3, 700, 550)
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Microsoft
or continue with
%20(1).png)
Apple
Others
By signing up, you agree to our Terms of Service & Privacy Policy
Already have an account?
