Review Article

VLSI Architectures for Image Interpolation: A Survey

Table 1

Comparison of computing resources.

InterpolationMultiplication (numbers)Addition (numbers)

Digital image scaling [5]1320
Winscale [9]1011
VLSI design of Winscale [10]912
Bi-cubic [11]3253
Real time FPGA [12]3253
Extended linear [13]43
EAELI [14]812
Edge-oriented [15]1314
NICRMA [7]1114
HABI [16]20N/A
Adaptive bilinear [3]350
SL Chen’s image scaling [17]436
Edge-enhanced adaptive scalar [18]319