Serwis Infona wykorzystuje pliki cookies (ciasteczka). Są to wartości tekstowe, zapamiętywane przez przeglądarkę na urządzeniu użytkownika. Nasz serwis ma dostęp do tych wartości oraz wykorzystuje je do zapamiętania danych dotyczących użytkownika, takich jak np. ustawienia (typu widok ekranu, wybór języka interfejsu), zapamiętanie zalogowania. Korzystanie z serwisu Infona oznacza zgodę na zapis informacji i ich wykorzystanie dla celów korzytania z serwisu. Więcej informacji można znaleźć w Polityce prywatności oraz Regulaminie serwisu. Zamknięcie tego okienka potwierdza zapoznanie się z informacją o plikach cookies, akceptację polityki prywatności i regulaminu oraz sposobu wykorzystywania plików cookies w serwisie. Możesz zmienić ustawienia obsługi cookies w swojej przeglądarce.
In order to solve the problem of high false detection ration and poor real-time performance in the automated and optical inspection of surface defect on cartridge case, a visually high-speed method was proposed. Taking a typical 9mm cartridge case of handgun as the object and considering its surface material, types of defect and detection method, an optical detection system was established on the...
Images/videos captured in low-light conditions often present low luminance and contrast. Although the existing algorithms can improve the subjective perception, color distortion and over-enhancement usually appear, which will disturb the subsequent intelligent analysis. Otherwise, due to high computational complexity, the existing algorithms are difficult to process a high resolution (HR) video (1280×720)...
The era of big data has led to the emergence of new systems for real-time distributed stream processing. Apache Storm is one of the most popular stream processing systems today. However, Storm, as many other stream processing systems, lacks an intelligent scheduling mechanism. The default round-robin scheduling which disregards inter-node traffic and worker nodes load balancing may be inefficient...
for improving the present situation in the quality detection of plate making product line, a simplified homocentric square filter (SHSF) is proposed and implemented based on machine vision. Firstly, a hardware platform including camera, lens, light source, and encoder is designed to acquire high quality images. In order to automatically detect defects from the acquired images, the SHSF is designed...
A Hopfield-type neural networks (HNN) algorithm associated with histogram navigation method is proposed in this paper for real-time map building and path planning for multiple goals applications. In real world applications such as rescue robots, service robots, mining mobile robots, and mine searching robots, etc., an autonomous vehicle needs to reach multiple goals with a shortest path that, in this...
In order to meet the special control requests of an intercept missile, a new boost-phase guidance law is proposed based on the theory of pesudospcetral method and artificial neural network. A group of optimal trajectories with multiple constraints, obtained by hp-adaptive pesudospcetral method, is used as samples to train the neural network. To show the effect of training patterns on the guidance...
Virtual reality is a research direction with rapid development, has important significance for national defense and engineering practice. The wave modeling is an important topic in the research of virtual reality. And it is applied to the naval ships manufacture, the naval gun firing experiment, and Marine virtual training, etc. It laid the virtual exercise, warships and submarines test basis. From...
This paper presents a zoning positioning model based on minimize RFID reader. Compared with conventional RFID reader, the transmission power does not need to be fixed and it is not necessary to detect RSSI of tag. Compared with the landmarc algorithm and its improved Vire algorithm, the complexity of the equipment is simplified and the time is reduced during the positioning process. Minimize RFID...
The improvement of file access performance is a great challenge in real-time cloud services. In this paper, we analyze preconditions of dealing with this problem considering the aspects of requirements, hardware, software, and network environments in the cloud. Then we describe the design and implementation of a novel distributed layered cache system built on the top of the Hadoop Distributed File...
Depth generation is the key technology in the 3DTV system. Due to the demands for accuracy and real-time execution, local methods are more suitable, but the challenge is to decide an appropriate window for each pixel. We propose a novel local method, which constructs the support windows adaptively only based on the intensity, and the process has no relation with disparities. This is the main difference...
When a micro cantilever with a nanoscale tip is manipulated on a substrate with atomic roughness, e.g., pushing an atomic-scale sample or etching the surface of the substrate to draw desired patterns, the periodical lateral frictional forces with stochastic fluctuations will induce stick-slip motion of the cantilever tip, which may greatly influence the precision of the nano manipulation. To reduce...
Concurrent real-time component is the basic unit of time-critical software on the distributed platform and trustworthy design is a continuing challenge to designers. This paper presents a reliable actor-oriented design for concurrent real-time component by separating data-related functionality and time-related interaction among components. Actor-oriented component is an encapsulation of parameterized...
This paper introduces an abstract high dependability framework for the implementation of embedded control software with hard real-time constraints. The framework specifies time-triggered sensor readings, atomic component invocations, actuator updates, and pattern switches independent of any implementation platform. In order to leverage model continuity, XML-based description of composite component...
In this paper, a new method for real-time rendering of three-dimensional terrain is proposed. The method combines together several methods such as block data, view-dependent multi-resolution LOD, view frustum culling etc. It exploits a new method to measure the terrain curvature. The new method uses multiple-approach to simplify terrain model and reduce the cost of memory, which can improve efficient...
A handoff scheme based on guard channel, queuing and channel preemption (GCQCP) is proposed to guarantee the QoS of handoff traffic in the heterogeneous hierarchical wireless networks. On the basis of bidirectional call-overflow between different networks, guard channels are set for real-time traffic handoffs and buffer queues are set for nonreal-time traffic handoffs. In order to further decrease...
In tennis competition, there are some reasons leading to the competition results inaccurately. So I put forward a real-time competition simulation system to solve the tennis problem. It can overcome the limitations and the blind spots that occur in human observation. The system includes four parts: image collection, moving object detection and tracking, static scene simulation, competition simulation...
Complex control system is heterogeneous and imposes great challenges for control system design. This paper presents a component-oriented modeling and design methodology that reduces complexity by separating data-related computational parts (components) and interaction among components (design pattern). Frameworks are composed hierarchically to manage heterogeneous models and achieve component and...
Podaj zakres dat dla filtrowania wyświetlonych wyników. Możesz podać datę początkową, końcową lub obie daty. Daty możesz wpisać ręcznie lub wybrać za pomocą kalendarza.