Image manipulation using Arrays - Hindi

Questions posted on ST Forums:

• What we are doing by slicing the red channel of the image's array

  What we are doing by slicing the red channel of the image's array? I see no difference only white colour is changed to purple colour or violet colour. Please explain this professor.

  07-08M 40-50S
  July 1, 2024, 2 a.m. sc256356

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• imshow() vs show()

  what is the difference between plt.imshow() and plt.show() ? why do we need to use both to display the image?.

  04-05M 30-40S
  July 3, 2024, 11:02 a.m. AL

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• to obtain the square in the centre of the image squares.png with size 150*150

  since the index value starts from zero which is correctimg[74:225,75:225]   orimg[75:225,75:225]

  05-06M 20-30S
  July 2, 2024, 7:44 p.m. KAVYA_30

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• Regarding image manipulation

  What is the meaning of the value 2 or 4 in the below functions:-plt.imshow(img[::2,::2])plt.imshow(img[::4,::4])

  05-06M 50-60S
  July 3, 2024, 5 a.m. Mann_19

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• Regarding to read img from home directory

  Sir,  when I run command G = plt.imread('squares.png') I get error that no such file or directoryWhile I already downloaded it in home directory

  09-10M 50-60S
  July 2, 2024, 9:31 p.m. Mukulgoswami340@gmail.com

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• Changing the color of the border

  How to change the color of the border of an image?

  06-07M 20-30S
  July 2, 2024, 5:26 p.m. HITESH_NINAMA

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• Create CSV File

  RGB Examples?How to read images into arrays?How to check the dimensions of an array?Example to access parts of an image How to stride over an array?

  03-04M 10-20S
  July 3, 2024, 9:17 a.m. SrinathNV

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• Image manipulations?

  How to apply image manipulations functions on other formats of image like .jpeg, bmp etc

  07-08M 20-30S
  July 3, 2024, 2:32 a.m. balajeemaram

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