PARALLEL MULTIPHASE IMAGE INTERPOLATION DEVICE AND METHOD

摘要

Provided are a parallel multiphase image interpolation device and method. The device comprises: a local memory, a first access control unit, a second access control unit, a source image data buffering unit, a line filter coefficient buffering unit, multiply-accumulators, a third access control unit and a state machine, wherein the first access control unit is used for acquiring source image data in the local memory and buffering same to the source image data buffering unit; the second access control unit is used for acquiring a line filter coefficient in the local memory and buffering same to the line filter coefficient buffering unit; the source image data buffering unit is used for inputting the source image data into various multiply-accumulators respectively; the line filter coefficient buffering unit is used for broadcasting the line filter coefficient corresponding to the source image data to the multiply-accumulators; and the multiply-accumulators are used for executing a multiply-accumulation operation on the source image data to obtain an intermediate result. The interpolation device of the present invention is reconfigurable and supports interpolation filters of any order, thereby having good universality.