Mask an image with a threshold

Mask an Image with a Threshold
- Python for Integrated Circuits -
- An Online Book -

Python for Integrated Circuits http://www.globalsino.com/ICs/

Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix

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Mask an image with a threshold. code:
          Add a new slide on ppt
Input:

Output of "cv2.imread(filenameA, 0)":

Output of "cv2.inRange(gray, 190, 255)":

Output of cv2.inRange(gray, 100, 190)":
           Add a new slide on ppt
Output of "cv2.inRange(gray, 0, 100)":

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Mask an image with two colors as thresholds. code:
          Add a new slide on ppt
Input:

Output:

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Mask an colored image with a threshold. code:
          Add a new slide on ppt
Input:

Output with "cv2.inRange(image_copy, np.array([50,50,0]), np.array([250,250,250]))":

Output with "cv2.inRange(image_copy, np.array([0,50,50]), np.array([250,250,250]))":
          Add a new slide on ppt
Output with "cv2.inRange(image_copy, np.array([50,0,50]), np.array([250,250,250]))":

Output with "cv2.inRange(image_copy, np.array([36, 25, 25]), np.array([86, 255,255]))":

Output with "cv2.inRange(image_copy, np.array([36, 25, 25]), np.array([70, 255,255]))":
          Add a new slide on ppt
Output with "cv2.inRange(image_copy, np.array([36, 25, 25]), np.array([40, 255,255]))" for red color:

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Ranking AAA. Mask an colored image with a threshold. code:
          Add a new slide on ppt
Input:

Output for red (the color is selected by the script below):

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Color selector. code:
          Add a new slide on ppt
Input:

Output for red:

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