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- research-articleFebruary 2023
AEx: Automated High-Level Synthesis of Compiler Programmable Co-Processors
Journal of Signal Processing Systems (JSPS), Volume 95, Issue 9Pages 1051–1065https://doi.org/10.1007/s11265-023-01841-3AbstractModern High Level Synthesis (HLS) tools succeed well in their engineering productivity goal, but still require toolset and target technology specific modifications to the source code to guide the process towards an efficient implementation. ...
- research-articleJanuary 2023
Design of an Application-specific VLIW Vector Processor for ORB Feature Extraction
Journal of Signal Processing Systems (JSPS), Volume 95, Issue 7Pages 863–875https://doi.org/10.1007/s11265-022-01833-9AbstractIn computer-vision feature extraction algorithms, compressing the image into a sparse set of trackable keypoints, empowers navigation-critical systems such as Simultaneous Localization And Mapping (SLAM) in autonomous robots, and also other ...
- research-articleNovember 2022
A Survey on Application Specific Processor Architectures for Digital Hearing Aids
Journal of Signal Processing Systems (JSPS), Volume 94, Issue 11Pages 1293–1308https://doi.org/10.1007/s11265-021-01648-0AbstractOn the one hand, processors for hearing aids are highly specialized for audio processing, on the other hand they have to meet challenging hardware restrictions. This paper aims to provide an overview of the requirements, architectures, and ...
- research-articleJanuary 2022
Design and implementation of an ASIP for SHA-3 hash algorithm
International Journal of Information and Computer Security (IJICS), Volume 17, Issue 3-4Pages 285–309https://doi.org/10.1504/ijics.2022.122375In recent years, application specific instruction set processor (ASIP) has attracted many researchers attention. These processors resemble application specific integrated circuits (ASICs) and digital signal processors (DSPs) from the performance and ...
- research-articleFebruary 2021
SIMDify: Framework for SIMD-Processing with RISC-V Scalar Instruction Set
ACSW '21: Proceedings of the 2021 Australasian Computer Science Week MulticonferenceArticle No.: 7, Pages 1–10https://doi.org/10.1145/3437378.3444364In this work, we propose a parallel programming framework, SIMDify, which generates single-instruction-multiple-data (SIMD) processors that can achieve SIMD processing without using SIMD instructions. SIMDify takes an application machine code compiled ...
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- research-articleAugust 2021
Energy Efficient Multistandard Decompressor ASIP
ICCDE '21: Proceedings of the 2021 7th International Conference on Computing and Data EngineeringPages 14–19https://doi.org/10.1145/3456172.3456218Many applications make extensive use of various forms of compression techniques for storing and communicating data. As decompression is highly regular and repetitive, it is a suitable candidate for acceleration. Examples are offloading (de)compression ...
- research-articleJanuary 2021
Design of filter for image de-noising using discrete wavelet transform for ASIP
International Journal of Computational Vision and Robotics (IJCVR), Volume 11, Issue 2Pages 201–213https://doi.org/10.1504/ijcvr.2021.113400Application specific instruction-set processors (ASIP) is a customised processor for user specific application. Though a significant research has been done on this, still it is most promising technology, due to lack of efficient methodologies for ...
- research-articleAugust 2019
Online stereo camera calibration for automotive vision based on HW-accelerated A-KAZE-feature extraction
Journal of Systems Architecture: the EUROMICRO Journal (JOSA), Volume 97, Issue CPages 335–348https://doi.org/10.1016/j.sysarc.2018.11.003AbstractNowadays ongoing integration of camera based advanced driver assistance systems (ADAS) in vehicles demands increasingly complex digital image processing in order to interpret the surrounding situations. To ensure a timely reaction for ...
- articleOctober 2018
Programmable ASIPs for Multimode MIMO Transceiver
Journal of Signal Processing Systems (JSPS), Volume 90, Issue 10Pages 1369–1381https://doi.org/10.1007/s11265-018-1341-3Application specific instruction-set processors (ASIP) are a programmable and flexible alternative of traditional finite state machine (FSM) controlled register-transfer level (RTL) designs for multimode basedband systems. In this paper, we present two ...
- articleDecember 2017
Generating ASIPs with Reduced Number of Connections to the Register-File
International Journal of Parallel Programming (IJPP), Volume 45, Issue 6Pages 1461–1487https://doi.org/10.1007/s10766-017-0491-4We propose automatic synthesis of application specific instruction set processors (ASIPs). We use pipeline execution of multi-op machine-instructions, e.g., $$*({ reg}1*{ reg}2) = (*{ reg}3)+(*{ reg}4)$$ź(reg1źreg2)=(źreg3)+(źreg4) (C-syntax) an ...
- research-articleAugust 2017
Extending Halide to Improve Software Development for Imaging DSPs
ACM Transactions on Architecture and Code Optimization (TACO), Volume 14, Issue 3Article No.: 21, Pages 1–25https://doi.org/10.1145/3106343Specialized Digital Signal Processors (DSPs), which can be found in a wide range of modern devices, play an important role in power-efficient, high-performance image processing. Applications including camera sensor post-processing and computer vision ...
- articleOctober 2016
Analyzing the Performance-Hardware Trade-off of an ASIP-based SIFT Feature Extraction
Journal of Signal Processing Systems (JSPS), Volume 85, Issue 1Pages 83–99https://doi.org/10.1007/s11265-015-0986-4One of the key problems in the field of Computer Vision is recovering the geometry from multiple views of the same scene. Once the homography of two images is known, the motion of a stereo camera system can be determined, images can be rectified or ...
- articleOctober 2016
An Energy-Efficient Reconfigurable ASIP Supporting Multi-mode MIMO Detection
Journal of Signal Processing Systems (JSPS), Volume 85, Issue 1Pages 5–21https://doi.org/10.1007/s11265-015-0972-xLattice Reduction aided MIMO detectors have been demonstrated to offer a promising gain by providing near-optimal performance. This paper presents a C-programmable ASIP baseband processor, for near-optimal MIMO detection targeting a 4 4 LTE system. The ...
- research-articleSeptember 2016
Compact and low‐power ASIP design for lightweight PUF‐based authentication protocols
IET Information Security (ISE2), Volume 10, Issue 5Pages 232–241https://doi.org/10.1049/iet-ifs.2015.0401There is a disconnection between the theory and the practice of lightweight physical unclonable function (PUF)‐based protocols. At a theoretical level, there exist several PUF‐based authentication protocols with unique features and novel efficiency ...
- research-articleJune 2016
MPSoCs for real-time neural signal decoding
Microprocessors & Microsystems (MSYS), Volume 43, Issue CPages 67–80https://doi.org/10.1016/j.micpro.2016.01.017In this paper we target the design of a dedicated low-power computing platform for neuroprosthetic applications. The system must be capable of decoding the information encoded in neural signals, to extract the patients' motion intention. To this aim, a ...
- ArticleMarch 2016
Efficient Camera Input System and Memory Partition for a Vision Soft-Processor
Proceedings of the 12th International Symposium on Applied Reconfigurable Computing - Volume 9625Pages 328–333https://doi.org/10.1007/978-3-319-30481-6_27One key issue in the design of Real-Time Image Processing and Computer Vision IP/CV systems is the massive volume of data to process. Not only the number of arithmetic and logic operations over the data but also the access to these data represents an ...
- ArticleMarch 2016
A Design Methodology for the Next Generation Real-Time Vision Processors
Proceedings of the 12th International Symposium on Applied Reconfigurable Computing - Volume 9625Pages 14–25https://doi.org/10.1007/978-3-319-30481-6_2In this work we present a methodology to design the next generation of real-time vision processors. These processors are expected to achieve high throughput with complex applications, under real-time embedded constraints time, fault-tolerance, silicon ...
- research-articleSeptember 2015
OPLE: A Heuristic Custom Instruction Selection Algorithm Based on Partitioning and Local Exploration of Application Dataflow Graphs
ACM Transactions on Embedded Computing Systems (TECS), Volume 14, Issue 4Article No.: 72, Pages 1–23https://doi.org/10.1145/2764458In this article, a heuristic custom instruction (CI) selection algorithm is presented. The proposed algorithm, which is called OPLE for “Optimization based on Partitioning and Local Exploration,” uses a combination of greedy and optimal optimization ...
- research-articleSeptember 2015
Simulation environment for a vision-system-on-chip with integrated processing
ICDSC '15: Proceedings of the 9th International Conference on Distributed Smart CamerasPages 20–25https://doi.org/10.1145/2789116.2789133Imagers with programmable, highly parallel signal processing execute computationally intensive processing steps directly on the sensor, thereby allowing early reduction of the amount of data to relevant features. For the purposes of architectural ...
- ArticleAugust 2015
New ASIC/FPGA Cost Estimates for SHA-1 Collisions
DSD '15: Proceedings of the 2015 Euromicro Conference on Digital System DesignPages 669–676https://doi.org/10.1109/DSD.2015.78SHA-1 remains, till date, the most widely used hash function, in spite of several successful cryptanalytic attacks against it. These attacks, however, remain impractical due to high computation complexity and associated cost. We endeavor to do cost-time ...