A Haar Classifier Accelerator with Reduced Multiplexer Usage

Sanghyun Lee, Byungin Moon

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A Haar classifier accelerator is widely used in embedded vision systems because it can detect faces rapidly and accurately. However, implementing the Haar classifier accelerator requires considerable hardware resources, many of which are multiplexers used to extract integral values within a sub-window. Therefore, to decrease the multiplexer usage in the Haar classifier accelerator, we propose a method that reduces the sub-window size by excluding some rows and columns of the sub-window from integral value extraction. The proposed method considerably reduces the multiplexer usage than that of the conventional method while maintaining the detection rate and the number of false detections.

Original languageEnglish
Title of host publicationProceedings - International SoC Design Conference 2021, ISOCC 2021
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages399-400
Number of pages2
ISBN (Electronic)9781665401746
DOIs
StatePublished - 2021
Event18th International System-on-Chip Design Conference, ISOCC 2021 - Jeju Island, Korea, Republic of
Duration: 6 Oct 20219 Oct 2021

Publication series

NameProceedings - International SoC Design Conference 2021, ISOCC 2021

Conference

Conference18th International System-on-Chip Design Conference, ISOCC 2021
Country/TerritoryKorea, Republic of
CityJeju Island
Period6/10/219/10/21

Keywords

  • face detection
  • FPGA
  • Haar classifier accelerator

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