Original CMAN:  


                                             Quantized CMAN with:

error feedback high pass sense*. error feedback low pass sense*. no error feedback.
   
 



                                              Quantization Error:

                             Entropy = 1.3714 bits/pixel in all three cases.

  SNR = 13.0095 dB                SNR = 15.0047 dB              SNR = 17.5679 dB
   




 * First order error feedback was applied to this image.