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SHOGUN
4.1.0
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Class CHMSVMModel that represents the application specific model and contains the application dependent logic to solve Hidden Markov Support Vector Machines (HM-SVM) type of problems within a generic SO framework.
在文件 HMSVMModel.h 第 31 行定义.
Public 属性 | |
| SGIO * | io |
| Parallel * | parallel |
| Version * | version |
| Parameter * | m_parameters |
| Parameter * | m_model_selection_parameters |
| Parameter * | m_gradient_parameters |
| uint32_t | m_hash |
Protected 成员函数 | |
| virtual void | load_serializable_pre () throw (ShogunException) |
| virtual void | load_serializable_post () throw (ShogunException) |
| virtual void | save_serializable_pre () throw (ShogunException) |
| virtual void | save_serializable_post () throw (ShogunException) |
Protected 属性 | |
| CStructuredLabels * | m_labels |
| CFeatures * | m_features |
| CHMSVMModel | ( | ) |
default constructor
在文件 HMSVMModel.cpp 第 20 行定义.
| CHMSVMModel | ( | CFeatures * | features, |
| CStructuredLabels * | labels, | ||
| EStateModelType | smt, | ||
| int32_t | num_obs = 0, |
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| bool | use_plifs = false |
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constructor
| features | the feature vectors, must be of type MatrixFeatures |
| labels | sequence labels |
| smt | internal state representation |
| num_obs | number of observations |
| use_plifs | whether to model the observations using PLiFs |
在文件 HMSVMModel.cpp 第 26 行定义.
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destructor
在文件 HMSVMModel.cpp 第 45 行定义.
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obtains the argmax of \( \Delta(y_{pred}, y_{truth}) + \langle w, \Psi(x_{truth}, y_{pred}) \rangle \)
| w | weight vector |
| feat_idx | index of the feature to compute the argmax |
| training | true if argmax is called during training. Then, it is assumed that the label indexed by feat_idx in m_labels corresponds to the true label of the corresponding feature vector. |
实现了 CStructuredModel.
在文件 HMSVMModel.cpp 第 160 行定义.
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Builds a dictionary of all parameters in SGObject as well of those of SGObjects that are parameters of this object. Dictionary maps parameters to the objects that own them.
| dict | dictionary of parameters to be built. |
在文件 SGObject.cpp 第 597 行定义.
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method to be called from a SO machine before training to ensure that the training data is valid
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 442 行定义.
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Creates a clone of the current object. This is done via recursively traversing all parameters, which corresponds to a deep copy. Calling equals on the cloned object always returns true although none of the memory of both objects overlaps.
在文件 SGObject.cpp 第 714 行定义.
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A deep copy. All the instance variables will also be copied.
在文件 SGObject.cpp 第 198 行定义.
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computes \( \Delta(y_{1}, y_{2}) \)
| y1 | an instance of structured data |
| y2 | another instance of structured data |
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 348 行定义.
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computes \( \Delta(y_{\text{true}}, y_{\text{pred}}) \)
| ytrue_idx | index of the true label in labels |
| ypred | the predicted label |
在文件 StructuredModel.cpp 第 147 行定义.
Recursively compares the current SGObject to another one. Compares all registered numerical parameters, recursion upon complex (SGObject) parameters. Does not compare pointers!
May be overwritten but please do with care! Should not be necessary in most cases.
| other | object to compare with |
| accuracy | accuracy to use for comparison (optional) |
| tolerant | allows linient check on float equality (within accuracy) |
在文件 SGObject.cpp 第 618 行定义.
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return the dimensionality of the joint feature space, i.e. the dimension of the weight vector \(w\)
实现了 CStructuredModel.
在文件 HMSVMModel.cpp 第 51 行定义.
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get joint feature vector
\[ \vec{\Psi}(\bf{x}_\text{feat\_idx}, \bf{y}) \]
| feat_idx | index of the feature vector to use |
| y | structured label to use |
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 64 行定义.
gets joint feature vector
\[ \vec{\Psi}(\bf{x}_\text{feat\_idx}, \bf{y}_\text{lab\_idx}) \]
| feat_idx | index of the feature vector to use |
| lab_idx | index of the structured label to use |
在文件 StructuredModel.cpp 第 105 行定义.
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在文件 SGObject.cpp 第 498 行定义.
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Returns description of a given parameter string, if it exists. SG_ERROR otherwise
| param_name | name of the parameter |
在文件 SGObject.cpp 第 522 行定义.
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Returns index of model selection parameter with provided index
| param_name | name of model selection parameter |
在文件 SGObject.cpp 第 535 行定义.
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get the number of auxiliary variables to introduce in the optimization problem. The auxiliary variables are used to implement smoothness regularization between adjacent emission scores via constraints.
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 508 行定义.
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get the number of auxiliary constraints to introduce in the optimization problem. These constraints are used to implement smoothness regularization between adjacent emission scores.
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 513 行定义.
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gets joint feature vector
\[ \vec{\Psi}(\bf{x}_\text{feat\_idx}, \bf{y}_\text{lab\_idx}) \]
| feat_idx | index of the feature vector to use |
| lab_idx | index of the structured label to use |
在文件 StructuredModel.cpp 第 126 行定义.
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get joint feature vector
\[ \vec{\Psi}(\bf{x}_\text{feat\_idx}, \bf{y}) \]
| feat_idx | index of the feature vector to use |
| y | structured label to use |
被 CHashedMultilabelModel 重载.
在文件 StructuredModel.cpp 第 137 行定义.
| CStateModel * get_state_model | ( | ) | const |
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initialize the optimization problem
| regularization | regularization strength |
| A | is [-dPsi(y) | -I_N ] with M+N columns => max. M+1 nnz per row |
| a | |
| B | |
| b | rhs of the equality constraints |
| b | upper bounds of the constraints, Ax <= b |
| lb | lower bound for the weight vector |
| ub | upper bound for the weight vector |
| C | regularization matrix, w'Cw |
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 357 行定义.
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initializes the emission and transmission vectors of weights used in Viterbi decoding. In case PLiFs are used, it also initializes the matrix of PLiFs and automatically selects the supporting points based on the feature values
重载 CStructuredModel .
在文件 HMSVMModel.cpp 第 523 行定义.
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If the SGSerializable is a class template then TRUE will be returned and GENERIC is set to the type of the generic.
| generic | set to the type of the generic if returning TRUE |
在文件 SGObject.cpp 第 296 行定义.
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Load this object from file. If it will fail (returning FALSE) then this object will contain inconsistent data and should not be used!
| file | where to load from |
| prefix | prefix for members |
在文件 SGObject.cpp 第 369 行定义.
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Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_POST is called.
| ShogunException | will be thrown if an error occurs. |
被 CKernel, CWeightedDegreePositionStringKernel, CList, CAlphabet, CLinearHMM, CGaussianKernel, CInverseMultiQuadricKernel, CCircularKernel , 以及 CExponentialKernel 重载.
在文件 SGObject.cpp 第 426 行定义.
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Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::LOAD_SERIALIZABLE_PRE is called.
| ShogunException | will be thrown if an error occurs. |
被 CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 421 行定义.
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在文件 SGObject.cpp 第 262 行定义.
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prints all parameter registered for model selection and their type
在文件 SGObject.cpp 第 474 行定义.
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Save this object to file.
| file | where to save the object; will be closed during returning if PREFIX is an empty string. |
| prefix | prefix for members |
在文件 SGObject.cpp 第 314 行定义.
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Can (optionally) be overridden to post-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_POST is called.
| ShogunException | will be thrown if an error occurs. |
被 CKernel 重载.
在文件 SGObject.cpp 第 436 行定义.
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Can (optionally) be overridden to pre-initialize some member variables which are not PARAMETER::ADD'ed. Make sure that at first the overridden method BASE_CLASS::SAVE_SERIALIZABLE_PRE is called.
| ShogunException | will be thrown if an error occurs. |
被 CKernel, CDynamicArray< T >, CDynamicArray< float64_t >, CDynamicArray< float32_t >, CDynamicArray< int32_t >, CDynamicArray< char >, CDynamicArray< bool > , 以及 CDynamicObjectArray 重载.
在文件 SGObject.cpp 第 431 行定义.
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在文件 SGObject.cpp 第 41 行定义.
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在文件 SGObject.cpp 第 46 行定义.
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在文件 SGObject.cpp 第 51 行定义.
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在文件 SGObject.cpp 第 56 行定义.
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在文件 SGObject.cpp 第 61 行定义.
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在文件 SGObject.cpp 第 66 行定义.
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在文件 SGObject.cpp 第 71 行定义.
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在文件 SGObject.cpp 第 76 行定义.
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在文件 SGObject.cpp 第 81 行定义.
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在文件 SGObject.cpp 第 86 行定义.
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在文件 SGObject.cpp 第 91 行定义.
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在文件 SGObject.cpp 第 96 行定义.
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在文件 SGObject.cpp 第 101 行定义.
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在文件 SGObject.cpp 第 106 行定义.
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在文件 SGObject.cpp 第 111 行定义.
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set generic type to T
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| void set_use_plifs | ( | bool | use_plifs | ) |
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A shallow copy. All the SGObject instance variables will be simply assigned and SG_REF-ed.
被 CGaussianKernel 重载.
在文件 SGObject.cpp 第 192 行定义.
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create empty StructuredLabels object
被 CHierarchicalMultilabelModel, CHashedMultilabelModel, CMulticlassModel, CMultilabelCLRModel , 以及 CMultilabelModel 重载.
在文件 StructuredModel.cpp 第 34 行定义.
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unset generic type
this has to be called in classes specializing a template class
在文件 SGObject.cpp 第 303 行定义.
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Updates the hash of current parameter combination
在文件 SGObject.cpp 第 248 行定义.
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io
在文件 SGObject.h 第 369 行定义.
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feature vectors
在文件 StructuredModel.h 第 308 行定义.
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parameters wrt which we can compute gradients
在文件 SGObject.h 第 384 行定义.
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Hash of parameter values
在文件 SGObject.h 第 387 行定义.
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structured labels
在文件 StructuredModel.h 第 305 行定义.
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model selection parameters
在文件 SGObject.h 第 381 行定义.
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parameters
在文件 SGObject.h 第 378 行定义.
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parallel
在文件 SGObject.h 第 372 行定义.
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version
在文件 SGObject.h 第 375 行定义.
