Lifting-Based Fractional Wavelet Filter: Energy-Efficient DWT Architecture for Low-Cost Wearable Sensors

Table 5

Comparison of FPGA implementation resource utilization of proposed LFrWF vs. FrWF [62] with 5/3 filter-bank for one wavelet decomposition level for image.

Param.	Fr	LFr	Multiplier-less
			Fr	LFr
LUT	215	168	119	135
FF	305	201	190	185
CC	10,485,760	5,242,880	10,485,760	5,242,880
CPD (ns)	4.80	4.80	1.45	1.45
Power (W)	0.162	0.114	0.110	0.109
Energy (mJ)	8.545	3.014	1.741	0.860

LUT, look-up tables; FF, flip-flops; CC, compute cycles.