OpenCV Functions
Flashcard
•
Computers
•
8th Grade
•
Practice Problem
•
Hard
Geetanjali Mohanty
FREE Resource
Student preview
11 questions
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1.
FLASHCARD QUESTION
Front
cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
Back
Converts an image from BGR color to grayscale.
2.
FLASHCARD QUESTION
Front
cv2.transform(img, sepia_filter)
Back
Applies a color transformation matrix to the image.
3.
FLASHCARD QUESTION
Front
cv2.medianBlur(gray, 5)
Back
Reduces noise by applying a median blur filter.
4.
FLASHCARD QUESTION
Front
cv2.adaptiveThreshold(...)
Back
Generates a binary image using adaptive thresholding.
5.
FLASHCARD QUESTION
Front
cv2.bilateralFilter(img, 9, 250, 250)
Back
Smooths the image while preserving strong edges.
6.
FLASHCARD QUESTION
Front
cv2.bitwise_and(color, color, mask=edges)
Back
Combines images using a mask to keep only selected pixels.
7.
FLASHCARD QUESTION
Front
cv2.add(channel, 40)
Back
Adds a constant brightness value to an image channel.
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