The Experts below are selected from a list of 24 Experts worldwide ranked by ideXlab platform
Yoshiyuki Matsunaga - One of the best experts on this subject based on the ideXlab platform.
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an ultra low noise photoconductive film image sensor with a high speed column feedback amplifier noise canceller
Symposium on VLSI Circuits, 2013Co-Authors: Motonori Ishii, Keisuke Yazawa, Toru Okino, Junji Hirase, Tokuhiko Tamaki, Yusuke Sakata, Yoshihiro Sato, Shigetaka Kasuga, Yutaka Hirose, Yoshiyuki MatsunagaAbstract:We developed an ultra-low noise image sensor in which an organic photoconductive film (OPF) is laminated on the entire surface of the pixel circuits. In order to suppress the kTC noise in the pixel circuit of a three transistor configuration, a high-speed column feedback noise cancel circuit is newly developed. An ultra-low noise of 2.9 electrons during the Horizontal Blanking period of only 5 μs has been achieved.
M N Marsono - One of the best experts on this subject based on the ideXlab platform.
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a linked list run length based single pass connected component analysis for real time embedded hardware
Journal of Real-time Image Processing, 2018Co-Authors: Jia Wei Tang, Nasir Shaikhhusin, Usman Ullah Sheikh, M N MarsonoAbstract:Conventional connected component analysis (CCA) algorithms render a slow performance in real-time embedded applications due to multiple passes to resolve label equivalences. As this fundamental task becomes crucial for stream processing, single-pass algorithms were introduced to enable a stream-oriented hardware design. However, most single-pass CCA algorithms in the literature inhibit maximum streaming throughput as additional time such as Horizontal Blanking period is required to resolve label equivalence. This paper proposes a novel single-pass CCA algorithm, using a combination of linked list and run-length-based techniques to label and resolve equivalences as well as extracting the object features in a single raster scan. The proposed algorithm involves a label recycling scheme which attains low memory requirement design. Experimental results show the implementation of the proposed CCA achieves one cycle per pixel throughput and surpasses the most memory-efficient state-of-the-art work up to 25 % reduction in memory usage for $$7680\times 4320$$ pixels image.
Marsono, Muhammad Nadzir - One of the best experts on this subject based on the ideXlab platform.
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A linked list run-length-based single-pass connected component analysis for real-time embedded hardware
Springer Verlag, 2016Co-Authors: Tang, Jia Wei, Shaikh-husin Nasir, Sheikh, Usman Ullah, Marsono, Muhammad NadzirAbstract:Conventional connected component analysis (CCA) algorithms render a slow performance in real-time embedded applications due to multiple passes to resolve label equivalences. As this fundamental task becomes crucial for stream processing, single-pass algorithms were introduced to enable a stream-oriented hardware design. However, most single-pass CCA algorithms in the literature inhibit maximum streaming throughput as additional time such as Horizontal Blanking period is required to resolve label equivalence. This paper proposes a novel single-pass CCA algorithm, using a combination of linked list and run-length-based techniques to label and resolve equivalences as well as extracting the object features in a single raster scan. The proposed algorithm involves a label recycling scheme which attains low memory requirement design. Experimental results show the implementation of the proposed CCA achieves one cycle per pixel throughput and surpasses the most memory-efficient state-of-the-art work up to 25 % reduction in memory usage for (Formula presented.) pixels image
E Van Der Kolk - One of the best experts on this subject based on the ideXlab platform.
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direct hole and delayed electron capture on a picosecond timescale by eu2 centers in caga2s4 monitored by synchroscan with Horizontal Blanking
Journal of Applied Physics, 2012Co-Authors: D J Louwers, T Takizawa, C Hidaka, E Van Der KolkAbstract:A Eu2+ concentration and temperature dependent energy transfer study from the host lattice to Eu2+ luminescence centers in Ca(1–x)EuxGa2S4 (x = 0.001 to 0.05) was performed with a special streak camera that combines the high timing resolution of a conventional synchroscan operation ( 1 ns) is interpreted as the sequential capture of a hole and an electron by Eu2+ but with the electron first entering an intermediate state trapped near Eu3+. Energy transfer via a self-trapped excitonic (STE) state is unlikely because of the absence of an anti-correlation between the STE decay-time and the Eu2+ rise-time as well as between the STE emission intensity and the Eu2+ intensity. All rise-time spectra were successfully fitted with a model representing the above transfer mechanisms.
Motonori Ishii - One of the best experts on this subject based on the ideXlab platform.
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an ultra low noise photoconductive film image sensor with a high speed column feedback amplifier noise canceller
Symposium on VLSI Circuits, 2013Co-Authors: Motonori Ishii, Keisuke Yazawa, Toru Okino, Junji Hirase, Tokuhiko Tamaki, Yusuke Sakata, Yoshihiro Sato, Shigetaka Kasuga, Yutaka Hirose, Yoshiyuki MatsunagaAbstract:We developed an ultra-low noise image sensor in which an organic photoconductive film (OPF) is laminated on the entire surface of the pixel circuits. In order to suppress the kTC noise in the pixel circuit of a three transistor configuration, a high-speed column feedback noise cancel circuit is newly developed. An ultra-low noise of 2.9 electrons during the Horizontal Blanking period of only 5 μs has been achieved.