2011
DOI: 10.1002/cta.679
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Asynchronous cellular logic network as a co‐processor for a general‐purpose massively parallel array

Abstract: SUMMARYThis paper demonstrates an implementation of an asynchronous cellular processor array that facilitates binary trigger-wave propagations, extensively used in various image-processing algorithms. The circuit operates in a continuous-time mode, achieving high operational performance and low-power consumption. An integrated circuit with proof-of-concept array of 24×60 cells has been fabricated in a 0.35 m threemetal CMOS process and tested. Occupying only 16×8 m 2 the binary wave-propagation cell is designe… Show more

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Cited by 16 publications
(8 citation statements)
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“…For each voltage, the corresponding value of V SQ ij is obtained, enabling the least square fitting of Eq. (16). For 30 Monte-Carlo mismatch simulations at each process corner, the worst case occurs for the 'FF' corner, as depicted in Figure 12(a).…”
Section: Error Characterizationmentioning
confidence: 99%
See 1 more Smart Citation
“…For each voltage, the corresponding value of V SQ ij is obtained, enabling the least square fitting of Eq. (16). For 30 Monte-Carlo mismatch simulations at each process corner, the worst case occurs for the 'FF' corner, as depicted in Figure 12(a).…”
Section: Error Characterizationmentioning
confidence: 99%
“…Numerous low-level image processing primitives have been successfully implemented following this scheme: convolution filtering [6,7], programmable blurring [8], spatial [9] and temporal [10,11] contrast extraction, background subtraction [12], image compression [13], or high-dynamic range imaging [14] among others. Even academic [15,16] and commercial [17] general-purpose vision systems based on focal-plane processing have been reported.…”
Section: Introductionmentioning
confidence: 99%
“…The same team worked also on other complementary vision chips called ACLA (Asynchronous Cellular Logic Array) and ASPA (Asynchronous / Synchronous Processor Array). ACLA (Dudek, 2006;Lopich and Dudek, 2011) is an asynchronous cellular processor array that facilitates binary trigger-wave propagations, extensively used in various image-processing algorithms. A proof-of-concept array of 2460 cells has been fabricated in a 0.35 µm CMOS process.…”
Section: <Insert Figure 4 Here>mentioning
confidence: 99%
“…Unfortunately, CMOS/memristor hybrids are still just a promising solution, but they are not commercially available yet. Asynchronous realizations as that proposed in are also an option for LN communications in the implementation of global operations.…”
Section: Related Workmentioning
confidence: 99%