Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL

T. Faict, E.H. D’Hollander, B. Goossens, Algorithms (2019).

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Journal Article | Published | English
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<jats:p>Intel recently introduced the Heterogeneous Architecture Research Platform, HARP. In this platform, the Central Processing Unit and a Field-Programmable Gate Array are connected through a high-bandwidth, low-latency interconnect and both share DRAM memory. For this platform, Open Computing Language (OpenCL), a High-Level Synthesis (HLS) language, is made available. By making use of HLS, a faster design cycle can be achieved compared to programming in a traditional hardware description language. This, however, comes at the cost of having less control over the hardware implementation. We will investigate how OpenCL can be applied to implement a real-time guided image filter on the HARP platform. In the first phase, the performance-critical parameters of the OpenCL programming model are defined using several specialized benchmarks. In a second phase, the guided image filter algorithm is implemented using the insights gained in the first phase. Both a floating-point and a fixed-point implementation were developed for this algorithm, based on a sliding window implementation. This resulted in a maximum floating-point performance of 135 GFLOPS, a maximum fixed-point performance of 430 GOPS and a throughput of HD color images at 74 frames per second.</jats:p>
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Algorithms
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149
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Faict T, D’Hollander EH, Goossens B. Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL. Algorithms. 2019. doi:10.3390/a12080149
Faict, T., D’Hollander, E. H., & Goossens, B. (2019). Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL. Algorithms. https://doi.org/10.3390/a12080149
@article{Faict_D’Hollander_Goossens_2019, title={Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL}, DOI={10.3390/a12080149}, number={149}, journal={Algorithms}, author={Faict, Thomas and D’Hollander, Erik H. and Goossens, Bart}, year={2019} }
Faict, Thomas, Erik H. D’Hollander, and Bart Goossens. “Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL.” Algorithms, 2019. https://doi.org/10.3390/a12080149.
T. Faict, E. H. D’Hollander, and B. Goossens, “Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL,” Algorithms, 2019.
Faict, Thomas, et al. “Mapping a Guided Image Filter on the HARP Reconfigurable Architecture Using OpenCL.” Algorithms, 149, 2019, doi:10.3390/a12080149.

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