Basic of Image processing using Matlab

>> I = imread('flamingo.jpg');
>> size(I)

ans =

   228   221     3

>> whos I
  Name        Size                Bytes  Class    Attributes

  I         228x221x3            151164  uint8  
>> imfinfo flamingo.jpg

ans = 

             Filename: 'flamingo.jpg'
        FileModDate: '10-Apr-2015 02:38:18'
               FileSize: 7248
               Format: 'jpg'
    FormatVersion: ''
                 Width: 221
               Height: 228
            BitDepth: 24
          ColorType: 'truecolor'
FormatSignature: ''
NumberOfSamples: 3
    CodingMethod: 'Huffman'
   CodingProcess: 'Sequential'
          Comment: {}
>> imshow(I)

Twin Flamango