Báo cáo hóa học: "Research Article Kernel Learning of Histogram of Local Gabor Phase Patterns for Face Recognition" pptx

... Signal Processing Volume 2008, Article ID 469109, 8 pages doi:10.1155/2008/469109 Research Article Kernel Learning of Histogram of Local Gabor Phase Patterns for Face Recognition Baochang Zhang, 1 Zongli ... proposes a new face recognition method, named kernel learning of histogram of local Gabor phase pattern (K-HLGPP), which is based on Daugman’s...

Ngày tải lên: 21/06/2014, 22:20

... combination of secur ity, performance, effi- ciency, ease of implementation, and flexibility makes it an ap- propriate selection for the AES. Rijndael is a good performer in both hardware and software ... which is essentially ensured by AES. We compare the number of possible keys of AES and that of IS- 95 scrambling sequence. The number of keys determine the effort required to crack...

Ngày tải lên: 22/06/2014, 19:20

... of this paper. Existing techniques for frontal face recognition [19–21] or side face recognition [22]invideocanprovide improved performance. For a network of video cameras, see [23, 24] and for ... capability of our approach to learn the multi-modal trafficpatterns. 4.1.4. Example of Continuous Learning of TrafficPatternsin a Less Cluttered Scenario. First, we examine the co...

Ngày tải lên: 21/06/2014, 20:20

... Gaussian kernel produce the best accuracies. However, when no or little prior information is available from the data, the choice of the kernel for the KPCA is not straightforward. A Gaussian kernel ... equivalent results in terms of classification accuracy [31]. In this article, we propose the use of the KPCA rather than PCA for the construction of the EMP, that is, the first...

Ngày tải lên: 21/06/2014, 22:20

... framework of RKHS, any Mercer kernel can be used instead of restricting the architecture to the Gaussian kernel. An important avenue for further research is how to choose the optimal kernel for a ... of the scope of this paper and will be part of the future work. (2) Based on (1), we can prove that the solution norms of KLMS-1 and KAPA-1 are upper bounded [12]. The signifi...

Ngày tải lên: 21/06/2014, 22:20

... an image, for example, which type of features or which scale for image segmentation is better for image representation, be- fore the user makes the query, we first collect different types of region ... brief summary of how the posterior probability of a state-space model is inferred. Figure 2 depicts the probabilistic structure of the Bayesian network of a state-space model, w...

Ngày tải lên: 22/06/2014, 19:20

... histogram of the hue plane of the face pixels. The face of the speaker is first extracted from thevideo.Thehueplaneofthefaceregionofeachframe is then determined. The histogram of this hue plane in thirty-two ... The values of the log likelihood obtained from the recognizer is small. For audio it is of the order of −300 to −200, whereas for video is of the order of...

Ngày tải lên: 21/06/2014, 05:20

... power ratio ( PAPR) of transmission signals i n OFDM and consider the performance of tone reservation for reduction of the PAPR. Tone reservation is unique among methods for reducing PAPR, because ... then the efficiency of the system, defined as the ratio of the number of tones used for information to the entire number of tones used, must converge to zero as the total number...

Ngày tải lên: 21/06/2014, 05:20

... through optimization of precoding. We employ BD for precoding due to its simplicity. An optimal form of BD is proposed by extending the search domain of precoding matrices to the entire null space of other ... Thomas, Elements of Information Theory, Wiley, New York, NY, USA, 1991. [41]S.YeandR.S.Blum,“Somepropertiesofthecapacityof MIMO systems with co-channel interference,” in Pro...

Ngày tải lên: 21/06/2014, 05:20

... parity bits, are a function of the status S of the register, of the forward/backward connections (called taps), and of the input bit u entering the encoder. The performance of the turbo code closely ... identification of key parameters such as dynamic range and number of bits, whose impact on the error correction performance of the algorithm is of pivotal importance for the...

Ngày tải lên: 21/06/2014, 05:20