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- ArticleSeptember 2007
FPGA infrastructure for the development of augmented reality applications
- Germano F. Guimarães,
- João P. S. M. Lima,
- João M. X. N. Teixeira,
- Guilherme D. Silva,
- Veronica Teichrieb,
- Judith Kelner
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 336–341https://doi.org/10.1145/1284480.1284568In this paper, we describe a platform that aims to help developers on the construction of embedded AR applications. The infrastructure is based on Field Programmable Gate Array and enables the creation of hardware based AR systems, contributing to high ...
- ArticleSeptember 2007
Specification of alternative execution semantics of UML sequence diagrams within actor-oriented models
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 330–335https://doi.org/10.1145/1284480.1284567System-level specification can benefit from the feature-rich UML visual notations. However, it is necessary to integrate UML into current SoC design flows. Unlike previous approaches that relied on code generation or static analysis, this paper proposes ...
- ArticleSeptember 2007
Analysis of the use of declarative languages for enhanced embedded system software development
- Emilena Specht,
- Ricardo Miotto Redin,
- Luigi Carro,
- Luis da Cunha Lamb,
- Erika Fernandes Cota,
- Flávio Rech Wagner
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 324–329https://doi.org/10.1145/1284480.1284565With the increased demand for programmability in embedded applications, the pressure for producing high performance software in a timely fashion has grown over the years. For this reason, declarative languages, as they provide more abstraction than ...
- ArticleSeptember 2007
Object and method exploration for embedded systems applications
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 318–323https://doi.org/10.1145/1284480.1284564The growing complexity of embedded systems has claimed for more software solutions in order to reduce the time-to-market. However, while this software decrease the development time of the embedded system functionalities , it must at the same time help ...
- ArticleSeptember 2007
A time petri net-based approach for hard real-time systems scheduling considering dynamic voltage scaling, overheads, precedence and exclusion relations
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 312–317https://doi.org/10.1145/1284480.1284563Over the last years, DVS (Dynamic Voltage Scaling) hasbeen adopted as an effective technique for reducing energyconsumption in embedded systems. In the context of hard real-time embedded systems, several scheduling approaches have been developed to ...
- ArticleSeptember 2007
The interval page table: virtual memory support in real-time and memory-constrained embedded systems
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 294–299https://doi.org/10.1145/1284480.1284559We present a novel page table organization for real-time and memory-constrained embedded systems. Increasingly many high-end embedded processors offer virtual memory support in the form of hardware Memory Management Unit. To implement virtual memory ...
- ArticleSeptember 2007
Cache coherency communication cost in a NoC-based MPSoC platform
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 288–293https://doi.org/10.1145/1284480.1284558Cache coherency and cache consistency in NoC-based heterogeneous platforms are still open problems. Current works addressing platform design avoid this issue either by proposing cacheless implementations or using snoopy protocols over buses. This paper ...
- ArticleSeptember 2007
A hybrid memory organization to enhance task migration and dynamic task allocation in NoC-based MPSoCs
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 282–287https://doi.org/10.1145/1284480.1284557Regarding MPSoCs, dynamic task allocation and task migration are still open research areas and, for both of them, there is no clear memory organization winner. While bus-connected systems commonly use a shared memory paradigm, NoC-based ones easily ...
- ArticleSeptember 2007
CMOS encoder for scale-independent pattern recognition
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 241–244https://doi.org/10.1145/1284480.1284545The present paper reports the design of a CMOS circuit capable of codifying the natural logarithm of an analog voltage in the relative phase of a train of pulses. The circuit is aimed to the implementation of a scale-independent pattern recognition ...
- ArticleSeptember 2007
Design of adaptive multiprocessor on chip systems
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 177–183https://doi.org/10.1145/1284480.1284531We present a design approach for adaptive multiprocessors on chip, in particular for FPGA devices. The approach consists of two steps in which the hardware infrastructure is first generated and then, the single processors, the peripherals as well as the ...
- ArticleSeptember 2007
Aquarius: a dynamically reconfigurable computing platform
- Jordana Seixas,
- Edson Barbosa,
- Stelita Silva,
- Paulo Sergio B. Nascimento,
- Vinícius Kursancew,
- Remy Eskinazi,
- Edna Barros,
- Manoel Eusebio
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 171–176https://doi.org/10.1145/1284480.1284530This work presents the development of a dynamically reconfigurable computing platform targeting Virtex-II devices under control of a host system based on the Nios II soft-core processor from Altera. The platform, called Aquarius, controls the system by ...
- ArticleSeptember 2007
RoSA: a reconfigurable stream-based architecture
SBCCI '07: Proceedings of the 20th annual conference on Integrated circuits and systems designPages 159–164https://doi.org/10.1145/1284480.1284527The increase of stream-based applications complexity has demanded hardware more flexible and able to reaching higher performance. Reconfigurable architectures have been showed significant progresses in exploiting the parallelism of these applications. ...