지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국정보처리학회 JIPS(Journal of Information Processing Systems) JIPS(Journal of Information Processing Systems) 제16권 제6호
- 발행연도
- 2020.1
- 수록면
- 1,343 - 1,358 (16page)
이용수
초록· 키워드
오류제보하기
In the stagewise arithmetic orthogonal matching pursuit algorithm, the weak threshold used in sparsityestimation is determined via maximum iterations. Different maximum iterations correspond to differentthresholds and affect the performance of the algorithm. To solve this problem, we propose an improved variableweak threshold based on the stagewise arithmetic orthogonal matching pursuit algorithm. Our proposedalgorithm uses the residual error value to control the weak threshold. When the residual value decreases, thethreshold value continuously increases, so that the atoms contained in the atomic set are closer to the realsparsity value, making it possible to improve the reconstruction accuracy. In addition, we improved thegeneralized Jaccard coefficient in order to replace the inner product method that is used in the stagewisearithmetic orthogonal matching pursuit algorithm. Our proposed algorithm uses the covariance to replace thejoint expectation for two variables based on the generalized Jaccard coefficient. The improved generalizedJaccard coefficient can be used to generate a more accurate calculation of the correlation between themeasurement matrixes. In addition, the residual is more accurate, which can reduce the possibility of selectingthe wrong atoms. We demonstrate using simulations that the proposed algorithm produces a betterreconstruction result in the reconstruction of a one-dimensional signal and two-dimensional image signal.
목차
등록된 정보가 없습니다.
참고문헌 (17)
참고문헌 신청
Xingyi Chen / 2019 / Block Sparse Signals Recovery Algorithm for Distributed Compressed Sensing Reconstruction / JIPS(Journal of Information Processing Systems) 15(2):410~421
Y. Liu / 2019 / Design of real-time communication system for portable smart glasses based on Raspberry PI / Journal of Northeast Electric Power University 39(4):81~85
G. Yang / 2018 / Dagan : deep de-aliasing generative adversarial networks for fast compressed sensing MRI reconstruction / IEEE Transactions on Medical Imaging 37(6):1310~1321
C. Liu / 2019 / Design and implementation of high voltage transmission equipment auxiliary management system / Journal of Northeast Electric Power University 39(4):86~90
B. Li / 2017 / Phase error correction for approximated observation-based compressed sensing radar imaging / Sensors 17(3):613
Y. Liu / 2019 / Design of real-time communication system for portable smart glasses based on Raspberry PI / Journal of Northeast Electric Power University 39(4):81~85
G. Yang / 2018 / Dagan : deep de-aliasing generative adversarial networks for fast compressed sensing MRI reconstruction / IEEE Transactions on Medical Imaging 37(6):1310~1321
C. Liu / 2019 / Design and implementation of high voltage transmission equipment auxiliary management system / Journal of Northeast Electric Power University 39(4):86~90
B. Li / 2017 / Phase error correction for approximated observation-based compressed sensing radar imaging / Sensors 17(3):613
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