The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
A multivariate discrete grey forecasting model is proposed to solve the problem that the qualitative relative factors can't be employed in traditional models. Firstly, a new model is constructed though introducing dummy drivers. Then, the parameters estimation method and recursive function of the model are discussed. Furthermore, dummy driver setting, pre and posttest methods of dummy drivers are...
Based on principal component analysis (PCA) and support vector machine (SVM), a new method for the fault diagnosis of TE Process is proposed. The fault recognition based on kernel principal component analysis (KPCA) is analyzed and SVM is employed as a classifier for fault classification. To establish a more efficient SVM model, genetic algorithm (GA) is used to determine the optimal kernel parameter...
Auditory perception of surrounding environment is important to machine awareness. To provide artificial awareness ability for machines, a bio-inspired salient environmental sound detection and recognition method is proposed. The salient sounds are detected by using the auditory saliency map which based on heterogeneous saliency features from visual and acoustic domain. Spectral and temporal saliency...
With the rapid development of Internet, Recommender Systems can help us efficiently find the useful objects in the information era. Generally, the traditional random walk algorithm has high accuracy but low personality and diversity. In this paper, we propose an improved random walk algorithm by depressing the influence of large-degree objects. Experimental results on MovieLens and Netflix data sets...
A 12-bit monolithic D/A converter has been developed. The principle of proportional match design in the resistor switch network, its structural characteristics and the resistor network for calibration are elaborated. In order to cancel the variation of switch network resistance value caused by process, temperature and voltage, a new calibration circuit has been proposed. Finally this paper proposed...
In order to produce the motorized spindle unit with high quality and performance and further improve its level of design and produce, a comprehensive performance test system for high-speed motorized spindle is built successfully, it can analyze the load characteristics, temperature rise, vibration, noise, accuracy and rigidity of high-speed motorized spindle unit in different working conditions. Experiments...
This paper proposes a real-time design for accurate stereo matching on compute unified device architecture (CUDA). We present a leading local algorithm and then accelerate it by parallel computing. High matching accuracy is achieved by cost aggregation over shape-adaptive support regions and disparity refinement using reliable initial estimates. A novel sample-and-restore scheme is proposed to make...
In this paper, we first propose a technique, referred as joint integral histograms, for weighted filtering with O(1) computational complexity. The technique is built on the classic integral images and the recent integral histograms. In a joint integral histogram, instead of remembering bin occurrences, the value at each bin indicates an integral defined by two signals. Beyond the integral histograms,...
Location-based measurement equipments are widely used in practice. However, the traffic data they collected are restricted in small spatial scale. Recently, more and more trajectory-based equipments are introduced in field. Floating cars and cell phones are two promising products. Since large market penetration of cell phones, they have attracted more and more attention. The use of cell phone signals...
This paper proposes a real-time design for accurate stereo matching on Compute Unified Device Architecture (CUDA). We adopt a leading local algorithm for its high data parallelism. A GPU-oriented bitwise fast voting method is proposed to effectively improve the matching accuracy, which is enormously faster than the histogram-based approach. The whole algorithm is parallelized on CUDA at a fine granularity,...
In this paper, we propose an efficient local stereo algorithm for accurate disparity estimation. First, we attain initial disparity estimates by iterating a cross-based cost aggregation process. Then, we propose a robust voting scheme to refine the initial estimates based on a piecewise smoothness prior, improving the quality in occluded regions and low-textured regions effectively. The refinement...
We propose an area-based local stereo matching algorithm that yields accurate disparity estimates, while achieving the real-time speed completely on the graphics processing unit (GPU). For a local stereo method, the key challenge is to decide an appropriate support window for the pixel under consideration. Our stereo method starts with computing an upright local cross adaptively for each anchor pixel,...
A hybrid mechanism is a configuration that combines the motions of two characteristically different electric motors by means of a mechanism to produce programmable output. In this paper, by means of establishing mathematic model for the influence of output accuracy of a planar hybrid five-bar mechanism affected by manufacturing error of link length, the sensitive coefficient of manufacturing error...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.