Perhitungan Matematis Kuantisasi Citra 8 Bit Ke 4 Bit

 

Consider an 8-pixel line of intensity data, {108, 139, 135, 244, 172, 173, 56, 99}. If it is uniformly quantized with 4-bit accuracy, compute the rms error and rms signal-to-noise ratios for the quantized data.