Image manipulation using Arrays - Persian

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 unanswered sc256356
  
  
  Question posted on: July 9, 2023, 10:06 p.m.

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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 AL
  
  
  Answer last updated on: July 18, 2023, 5:57 p.m.

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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 HITESH_NINAMA
  
  
  Answer last updated on: Jan. 19, 2022, 1:09 p.m.

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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 KAVYA_30
  
  
  Answer last updated on: June 24, 2021, 4:38 p.m.

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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 Mann_19
  
  
  Answer last updated on: July 14, 2020, 9:01 a.m.

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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 Mukulgoswami340@gmail.com
  
  
  Answer last updated on: July 8, 2020, 6:11 p.m.

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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 SrinathNV
  
  
  Answer last updated on: May 31, 2020, 11:05 a.m.

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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 balajeemaram
  
  
  Answer last updated on: June 22, 2019, 12:58 p.m.

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