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2015 22nd International Conference Mixed Design of Integrated Circuits & Systems (MIXDES)最新文献

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Multimodal biometric database DMCSv1 of 3D face and hand scans 多模态生物特征数据库DMCSv1的三维面部和手部扫描
W. Sankowski, P. Nowak, Pawel Krotewicz
This paper presents the DMCSv1 multimodal bio-metric database collected by the authors. The database contains 3D face and hand scans acquired using the structured light technology. In parallel with this paper publication the DMCSv1 database is made publicly available for other research institutions. According to the authors' knowledge it is the first publicly available database where a hand was scanned using the structured light technology and both sides of a hand were captured within one scan.
本文介绍了作者收集的DMCSv1多模态生物特征数据库。该数据库包含使用结构光技术获得的3D面部和手部扫描。在本文发表的同时,DMCSv1数据库也向其他研究机构公开开放。据作者所知,这是第一个公开可用的数据库,其中使用结构光技术扫描了手,并在一次扫描中捕获了手的两侧。
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引用次数: 9
A simple multithreaded C++ framework for high-performance data acquisition systems 一个简单的多线程c++框架,用于高性能数据采集系统
Rolando Ingles, P. Perek, M. Orlikowski, A. Napieralski
Data acquisition systems must be capable to process all the data produced by the source to ensure the highest level of accuracy, especially when it deals with hard real-time system monitoring. However, the production of data is faster than the process to acquire and to process such a data. Using concurrency approach is an alternative to obtain the required level of performance and data processing. This paper presents the comparison between various C++ frameworks that using multithreading technology and ring-buffer data structure allow data transfer in concurrent way. The comparison is based on the time interval between the instant when data is published and the instant when the data is gathered. These latency measurements have been taken using the structure of one producer and two consumers for all evaluated frameworks. The results show that it is possible to achieve suitable performance using standard C++ libraries to develop a simple framework for data acquisition systems.
数据采集系统必须能够处理源产生的所有数据,以确保最高水平的准确性,特别是在处理硬实时系统监控时。然而,数据的产生比获取和处理这些数据的过程要快。使用并发方法是获得所需性能和数据处理级别的另一种选择。本文比较了采用多线程技术和环缓冲区数据结构的各种c++框架,这些框架允许数据以并发方式传输。比较基于发布数据的瞬间和收集数据的瞬间之间的时间间隔。对于所有评估的框架,使用一个生产者和两个消费者的结构进行这些延迟测量。结果表明,使用标准c++库开发一个简单的数据采集系统框架是可以达到合适的性能的。
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引用次数: 4
First approach for design of an autonomous measurement system to aid determination of the psychological profile of soldiers 第一种自主测量系统的设计方法,以帮助确定士兵的心理特征
K. Rózanowski, T. Sondej, J. Lewandowski
The article presents the first attempt for design of an autonomous measurement system to aid assessment and to determine the psychological profile of soldiers. A method for ascertaining the psychological profile is presented including the physiological signals being generated by the monitored subject as an important element thereof. The measurement system used in the preliminary experiments and the design of a new, extended-functionality system, are presented. The new version of the measurement system facilitates determination of physiological parameters, environmental conditions and physical activity. In addition, it allows introduction of data on the psychological profile of the soldier to determine the degree of a soldier's adaptation to task-related situation at given point in time. The main element of the measurement system has been designed using an application-specific integrated circuit.
本文首次尝试设计一种自主测量系统,以帮助评估和确定士兵的心理状况。提出了一种确定心理轮廓的方法,包括由被监测对象产生的生理信号作为其重要元素。介绍了初步实验中使用的测量系统,并设计了一个新的扩展功能系统。新版本的测量系统有助于确定生理参数,环境条件和身体活动。此外,它还允许引入士兵心理状况的数据,以确定士兵在特定时间点对任务相关情况的适应程度。测量系统的主要元件采用专用集成电路设计。
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引用次数: 10
Possibilities and limitations of automated psychological profiling 自动心理分析的可能性和局限性
A. Tarnowski, Katarzyna Lapkiewicz
Psychological profiling is a necessary tool of modern human resource management, important for recruiting, placement and career planning. In extremely demanding jobs, like military service, the emerging problem is validity of psychological profile under stress-the problem is not only placement of people on adequate positions but also the limits of stress under which they remain efficient. We proposed an outline of an expert system, binding these two functions. First the assumptions of input psychological data were defined, next an algorithm of selection and placement was proposed. The second part was an assessment of current human possibilities in extreme fatigue and stress conditions-based on psychological tests and physiological measures. Construction of such an expert system demands a flexible level of automation in data integration and decision making. The first module (recruitment and placement) needs a medium level of automation. An expert system should support (but not replace) psychologists in personal decisions. The second module (actual fitness to duty evaluation) would support a superior in action, so the information should be referred to a simple suggestion. In conclusion, a flexible approach to automation of personal decisions (both strategic and actual) was recommended based on psychological tests.
心理分析是现代人力资源管理的必要工具,对招聘、就业和职业规划具有重要意义。在要求极高的工作中,如服兵役,出现的问题是压力下心理轮廓的有效性——问题不仅是将人们安置在适当的位置上,而且是在压力的限制下他们保持效率。我们提出了一个专家系统的概要,将这两个功能结合起来。首先定义了输入心理数据的假设条件,然后提出了心理数据的选择与放置算法。第二部分是根据心理测试和生理测量,评估目前人类在极度疲劳和压力条件下的可能性。构建这样一个专家系统需要在数据集成和决策方面具有灵活的自动化水平。第一个模块(招聘和安置)需要一个中等水平的自动化。专家系统应该支持(而不是取代)心理学家的个人决策。第二个模块(实际适合工作评估)将支持上级的行动,因此信息应参考一个简单的建议。最后,根据心理测试,建议采用灵活的方法实现个人决策(战略和实际)的自动化。
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引用次数: 2
Towards automatic calibration of stereoscopic video systems 面向立体视频系统的自动标定
P. Perek, D. Makowski, A. Mielczarek, A. Napieralski, Przemyslaw Sztoch
The last few years in the movie industry were marked by continuous growth in the popularity of 3D technology. 3D movies are nowadays a major draw for both cinema and TV audiences. The application of 3D technology in combination with modern ultra high-definition video cameras causes that today's movies are more impressive and realistic. However, it also makes their production more and more complex, demanding and expensive. One of the main issues encountered during recording of 3D movies is precise calibration of cameras working together in a 3D stereoscopic system. The calibration process should be performed very carefully to minimize all possible image distortions, because their correction in post-production is usually very long and costly, and sometimes even impossible. One of the most intuitive solution of this problem is calibration performed by a camera operator with using dedicated reference calibration boards. However, it is a long, iterative and subjective process. Taking into account that this process should be performed quite often, at least before every scene, the calibration greatly prolongs the preparation for the video recording and slows down the work on the movie set. All the aforementioned problems caused that the authors made an efforts aimed at automation of the calibration process. The paper presents the requirements and assumptions of the calibration method and first implementation of supporting software application. The main advantages of the presented method is significant reduction of the calibration time and a possibility of objective measurement of the calibration accuracy.
在过去的几年里,电影行业的特点是3D技术的不断普及。如今,3D电影对电影和电视观众来说都是一大吸引力。3D技术的应用与现代超高清摄像机的结合,使得今天的电影更加令人印象深刻和逼真。然而,这也使得它们的生产越来越复杂,要求越来越高,成本越来越高。在3D电影录制过程中遇到的主要问题之一是在3D立体系统中协同工作的摄像机的精确校准。校准过程应该非常仔细地执行,以尽量减少所有可能的图像失真,因为后期制作中的校正通常非常长且昂贵,有时甚至是不可能的。这个问题最直观的解决方案之一是由相机操作员使用专用参考校准板进行校准。然而,这是一个漫长、反复和主观的过程。考虑到这个过程应该经常进行,至少在每个场景之前,校准大大延长了视频录制的准备时间,减慢了电影布景的工作速度。由于上述问题的存在,笔者为实现校准过程的自动化做出了努力。本文介绍了校准方法的要求和假设,以及配套软件应用的首次实现。该方法的主要优点是大大减少了校准时间,并有可能客观地测量校准精度。
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引用次数: 6
A CMOS system-on-chip for physiological parameters acquisition, processing and monitoring 用于生理参数采集、处理和监测的CMOS片上系统
Krzysztof Siwiec, Krzysztof Marcinek, T. Borejko, A. Jarosz, Jakub Kopanski, E. Kurjata-Pfitzner, Paweł Narczyk, Maciej Plasota, A. Wielgus, W. Pleskacz
A system-on-chip allowing dynamic measurement and processing of the most important human physiological parameters has been presented. The BioChip consists of analog front-ends, analog to digital converters and a two core 32-bit microcontroller Azurite. The two core architecture allows to control the signals' acquisition, data processing and communication with the peripherals simultaneously. The microcontroller was equipped with many interfaces: 8×UART, 2×SPI, I2C and 24 GPIOs. The clock frequency of the microprocessor is configurable from 32 kHz up to 120 MHz. The BioChip comes in front of the growing demand for portable health monitoring. It will allow for easy integration with a new generation of devices, such as smartphones, and also it will allow adding new functionalities in the area of telemedicine. The BioChip was designed in UMC CMOS 130 nm technology and the chip area is 25 mm2.
提出了一种允许动态测量和处理最重要的人体生理参数的片上系统。BioChip由模拟前端、模数转换器和双核32位微控制器Azurite组成。两个核心架构允许同时控制信号的采集、数据处理和与外设的通信。微控制器配备了许多接口:8×UART, 2×SPI, I2C和24个gpio。微处理器的时钟频率从32千赫到120兆赫可配置。生物芯片出现在便携式健康监测日益增长的需求面前。它可以方便地与智能手机等新一代设备集成,还可以在远程医疗领域添加新功能。BioChip采用UMC CMOS 130纳米技术设计,芯片面积为25 mm2。
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引用次数: 9
Mobile application for remote control of stereoscopic images acquisition system 移动应用程序的远程控制立体图像采集系统
Michal Wlodarczyk, Maciej Borzecki, T. Pluciennik, Artur Skwarna, Marek Swiecznik, Jadwiga Sierocinska, Bartlomiej Jozwiak
Together with the development of 3D technology, a growing demand for 3D content creation appeared, leading to a noticeable growth in both number of users and their requirements. Although, there are many commercial solutions that help to automate 3D video recording process, there is still a lot of room for improvements in this area. In this paper the design and implementation process of a mobile application for remote control of stereoscopic images acquisition system is presented. Authors show both user interface design procedure and discuss performance issues that can occur in such applications. Obtained results are encouraging and useful for development of similar solutions.
随着3D技术的发展,人们对3D内容创作的需求越来越大,用户数量和需求都在显著增长。尽管有许多商业解决方案可以帮助实现3D视频录制过程的自动化,但在这一领域仍有很大的改进空间。本文介绍了一种立体图像采集移动远程控制系统的设计与实现过程。作者展示了用户界面设计过程,并讨论了在此类应用程序中可能出现的性能问题。获得的结果令人鼓舞,对类似解决方案的开发也很有用。
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引用次数: 3
Generalized SPICE model of photovoltaic modules 光伏组件的广义SPICE模型
E. Gadjeva, M. Hristov
In the present paper, a generalized SPICE simulation model of photovoltaic modules is developed, valid for operating conditions of solar irradiance and temperature different from nominal conditions. An extraction procedure for model parameter determination is proposed using datasheet characteristics of the modules. In order to improve the model accuracy, the values of the voltage Vmp and the current Imp corresponding to the maximum power point MPPT, are also used as input data. The computer realization is performed in the Cadence Capture and Cadence PSpice environment. The description of the computer model is presented. The verification of the developed SPICE simulation model of PV modules confirms its validity and accuracy.
本文建立了光伏组件的广义SPICE仿真模型,该模型适用于太阳辐照度和温度与标称条件不同的工况。提出了一种利用模块数据表特征确定模型参数的提取方法。为了提高模型精度,还使用了最大功率点MPPT对应的电压Vmp和电流Imp值作为输入数据。计算机实现是在Cadence Capture和Cadence PSpice环境下完成的。给出了计算机模型的描述。对所建立的SPICE光伏组件仿真模型进行了验证,验证了该模型的有效性和准确性。
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引用次数: 4
A high spatial resolution 64-channel in-vivo neural recording system 高空间分辨率64通道体内神经记录系统
M. Masoumi, G. Bertotti, S. Keil, R. Thewes
A high spatiotemporal resolution, wireline operation-based, in-vivo neural recording system is presented. The proposed system allows selecting 64 channels from 512 recording sites. The neural signals from the 64 selected sites are amplified, filtered, and finally multiplexed in the time domain. The output signals of each multiplexer are buffered, converted to the current domain, and then transferred to off-chip units for further signal processing purposes. The proposed chip is simulated in a standard 180 nm CMOS process. Estimated input referred noise in the frequency band from 1 Hz to 10 kHz is 5.1 μVrms, and the total power consumption amounts to 3.3 mW at a supply voltage of 1.8 V.
提出了一种高时空分辨率、基于有线操作的活体神经记录系统。所提出的系统允许从512个记录站点中选择64个通道。从64个选定的位点得到的神经信号被放大、滤波,最后在时域内复用。每个多路复用器的输出信号被缓冲,转换为当前域,然后转移到片外单元以进一步进行信号处理。该芯片在标准的180纳米CMOS工艺中进行了仿真。在1 Hz ~ 10 kHz频段内的输入参考噪声估计为5.1 μVrms,在1.8 V电压下的总功耗为3.3 mW。
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引用次数: 0
Challenges in design-oriented modeling in biology 生物学中以设计为导向的建模挑战
C. Lallement, M. Madec
Research and development in life sciences domain brings every day many innovations. Some of them have been enabled (or improved) by the micro-electronics. Several examples are described in this paper. A big challenge in the design of such systems is that the biological part cannot be uncoupled from the rest of the system during the design process. The integration of biological parts in system's design workflow is a bottleneck which can be as penalizing as the technological aspects themselves. In this context, the development of design-oriented models of biological systems would be major step forward. The extension of conventional CAD tools used for microelectronics to biology is a promising way to tackle this issue. In particular, a new formalism has been established for the modeling of complex biological networks with Hardware Description Languages, such as VHDL-AMS.
生命科学领域的研究和发展每天都带来许多创新。其中一些已被微电子技术启用(或改进)。文中列举了几个实例。设计这类系统的一大挑战是,在设计过程中,生物部分无法与系统的其余部分分离。生物部件在系统设计工作流中的集成是一个瓶颈,它可能与技术方面本身一样有害。在这种情况下,以设计为导向的生物系统模型的发展将是向前迈出的重要一步。将用于微电子学的传统CAD工具扩展到生物学是解决这一问题的有希望的方法。特别是,用硬件描述语言(如VHDL-AMS)为复杂生物网络的建模建立了一种新的形式体系。
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引用次数: 2
期刊
2015 22nd International Conference Mixed Design of Integrated Circuits & Systems (MIXDES)
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