using active appearance models for face recognition

... versus texture information will determine the most significant appearance mo des and what these modes look like (or what their influence is). Active Appearance Models for Face Recognition Paul ... opportunity for various applications to use it for further investiga- tions of the modelled face (like characterise the pose, expression, or identity of a face) . This method, cal...

Ngày tải lên: 24/04/2014, 13:38

... credit risk models. 22 Using Credit Risk Models for Regulatory Capital Framework for an Internal -Models Capital Charge This section describes a possible framework for an internal- models regulatory ... an IM approach for credit risk. 32 Using Credit Risk Models for Regulatory Capital A number of issues not discussed in this article would have to be addressed before a...

Ngày tải lên: 22/03/2014, 18:20

... adjusted using, for example, a fixed step-size : WILSON AND BOBICK: PARAMETRIC HIDDEN MARKOV MODELS FOR GESTURE RECOGNITION 895 Fig. 11. Log probability as a function of    for a pointing ... PARAMETRIC HIDDEN MARKOV MODELS FOR GESTURE RECOGNITION 893 3. Given the graphical model equivalent in Fig. 2, it is possible to exactly solve for the best value of  using...

Ngày tải lên: 24/04/2014, 13:16

... 10 −1200 −1000 −800 −600 −400 −200 0 200 Prototype HMM Uniform Segmentation Viterbi Segmentation Initialize Parameters Segmental K Means Convergence NO YES Initialized HMM Initialized HMM Estimated HMM Algorithm Forward Backward Baum-Welch Convergence YES NO Frontal ... HMM Initialized HMM Estimated HMM Algorithm Forward Backward Baum-Welch Convergence YES NO Frontal Face Not Frontal Face...

Ngày tải lên: 24/04/2014, 12:35

... language. Those lexicon models lack from context infor- mation that can be extracted from the same paral- lel corpus. This additional information could be: Simple context information: information of the ... the algorithm for computing the -best lists is sub- optimal. Table 8: Preliminary translation results for the Verbmobil Test-147 for different contextual infor- mation and differen...

Ngày tải lên: 20/02/2014, 18:20

... describe a technique for estimat- ing the parameters for this model using decision trees. The history-based grammar model provides a mechanism for taking advantage of contextual information from ... ability component (3) of the model. For the mo- ment, we are using n-gram models with the usual deleted interpolation for smoothing for the other four components of the...

Ngày tải lên: 20/02/2014, 21:20

... values for ρ(q s | Q) and ρ(q t | Q). As mentioned earlier, it is straightforward to obtain a relevance ranking for a set of n-grams: For each n-gram s, the LM prob- ability is computed using ... results for the different LMs are given in Table 2. The results are consistent in the sense that the web mixture models outperform the in-domain models, and augmentation helps more with...

Ngày tải lên: 22/02/2014, 02:20

... 42 5 a11 a44 a55 a22 a33 a12 a45a34a23 Forehead Eyes Nose Mouth Chin forehead eyes nose mouth chin forehead eyes nose mouth chin forehead eyes nose mouth chin O O O O i, j i+m, j i, j+n i+m, j+n Prototype HMM Uniform Segmentation Initialize

Ngày tải lên: 24/04/2014, 12:36

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Ngày tải lên: 24/04/2014, 13:16

... L ijk L i L j L l − ij L jkl L i L k L l L ijk L i L j L k               (19) 17 contact: {pmroth,winter}@icg.tugraz.at SURVEY OF APPEARANCE- BASED METHODS FOR OBJECT RECOGNITION Peter M. Roth and Martin Winter Inst. for Computer Graphics and Vision Graz University of Technology, ... of ˆ X ˆ X T . The algorithm using this SVD approach to compute the PCA projection mat...

Ngày tải lên: 24/04/2014, 13:47