Qunar Tech Salon
Sep 5, 2019 · Artificial Intelligence
Implementing Bilinear Interpolation on FPGA for Neural Network Acceleration
The article explains the principles of bilinear interpolation, why it is needed for smooth image scaling in neural‑network layers such as Interp and Resize, and details FPGA‑specific optimizations—including lookup‑table based coefficient pre‑computation, two‑line BRAM caching, and index‑driven data swapping—to reduce DSP usage and improve throughput.
BRAMBilinear InterpolationDSP
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