2016 |
Homenda, Wladyslaw; Luckner, Marcin; Pedrycz, Witold Classification with rejection: Concepts and evaluations Inproceedings Advances in Intelligent Systems and Computing, pp. 413–425, 2016, ISSN: 21945357. Abstract | Links | BibTeX | Tags: Binary classifiers ensemble, Reclassification, Rejection rule @inproceedings{Homenda2016, title = {Classification with rejection: Concepts and evaluations}, author = {Wladyslaw Homenda and Marcin Luckner and Witold Pedrycz}, doi = {10.1007/978-3-319-19090-7_31}, issn = {21945357}, year = {2016}, date = {2016-01-01}, booktitle = {Advances in Intelligent Systems and Computing}, volume = {364}, pages = {413--425}, abstract = {? Springer International Publishing Switzerland 2016.Standard classification process allocates all processed elements to given classes. Such type of classification assumes that there are only native and no foreign elements, i.e., all processed elements are included in given classes. The quality of standard classification can be measured by two factors: numbers of correctly and incorrectly classified elements, called True Positives and False Positives. Admitting foreign elements in standard classification process increases False Positives and, in this way, deteriorates quality of classification. In this context, it is desired to reject foreign elements, i.e., not to assign them to any of given classes. Rejecting foreign elements will reduce the number of false positives, but can also reject native elements reducing True Positives as side effect. Therefore, it is important to build well-designed rejection, which will reject significant part of foreigners and only few natives. In this paper, evaluations of classification with rejection concepts are presented. Three main models: a classification without rejection, a classification with rejection, and a classification with reclassification are presented. The concepts are illustrated by flexible ensembles of binary classifiers with evaluations of eachmodel. The proposed models can be used, in particular, as classifiers working with noised data, where recognized input is not limited to elements of known classes.}, keywords = {Binary classifiers ensemble, Reclassification, Rejection rule}, pubstate = {published}, tppubtype = {inproceedings} } ? Springer International Publishing Switzerland 2016.Standard classification process allocates all processed elements to given classes. Such type of classification assumes that there are only native and no foreign elements, i.e., all processed elements are included in given classes. The quality of standard classification can be measured by two factors: numbers of correctly and incorrectly classified elements, called True Positives and False Positives. Admitting foreign elements in standard classification process increases False Positives and, in this way, deteriorates quality of classification. In this context, it is desired to reject foreign elements, i.e., not to assign them to any of given classes. Rejecting foreign elements will reduce the number of false positives, but can also reject native elements reducing True Positives as side effect. Therefore, it is important to build well-designed rejection, which will reject significant part of foreigners and only few natives. In this paper, evaluations of classification with rejection concepts are presented. Three main models: a classification without rejection, a classification with rejection, and a classification with reclassification are presented. The concepts are illustrated by flexible ensembles of binary classifiers with evaluations of eachmodel. The proposed models can be used, in particular, as classifiers working with noised data, where recognized input is not limited to elements of known classes. |
Homenda, Wladyslaw; Luckner, Marcin; Pedrycz, Witold Classification with rejection: Concepts and evaluations Inproceedings Advances in Intelligent Systems and Computing, pp. 413–425, 2016, ISSN: 21945357. Abstract | Links | BibTeX | Tags: Binary classifiers ensemble, Reclassification, Rejection rule @inproceedings{Homenda2016b, title = {Classification with rejection: Concepts and evaluations}, author = {Wladyslaw Homenda and Marcin Luckner and Witold Pedrycz}, doi = {10.1007/978-3-319-19090-7_31}, issn = {21945357}, year = {2016}, date = {2016-01-01}, booktitle = {Advances in Intelligent Systems and Computing}, volume = {364}, pages = {413--425}, abstract = {? Springer International Publishing Switzerland 2016.Standard classification process allocates all processed elements to given classes. Such type of classification assumes that there are only native and no foreign elements, i.e., all processed elements are included in given classes. The quality of standard classification can be measured by two factors: numbers of correctly and incorrectly classified elements, called True Positives and False Positives. Admitting foreign elements in standard classification process increases False Positives and, in this way, deteriorates quality of classification. In this context, it is desired to reject foreign elements, i.e., not to assign them to any of given classes. Rejecting foreign elements will reduce the number of false positives, but can also reject native elements reducing True Positives as side effect. Therefore, it is important to build well-designed rejection, which will reject significant part of foreigners and only few natives. In this paper, evaluations of classification with rejection concepts are presented. Three main models: a classification without rejection, a classification with rejection, and a classification with reclassification are presented. The concepts are illustrated by flexible ensembles of binary classifiers with evaluations of eachmodel. The proposed models can be used, in particular, as classifiers working with noised data, where recognized input is not limited to elements of known classes.}, keywords = {Binary classifiers ensemble, Reclassification, Rejection rule}, pubstate = {published}, tppubtype = {inproceedings} } ? Springer International Publishing Switzerland 2016.Standard classification process allocates all processed elements to given classes. Such type of classification assumes that there are only native and no foreign elements, i.e., all processed elements are included in given classes. The quality of standard classification can be measured by two factors: numbers of correctly and incorrectly classified elements, called True Positives and False Positives. Admitting foreign elements in standard classification process increases False Positives and, in this way, deteriorates quality of classification. In this context, it is desired to reject foreign elements, i.e., not to assign them to any of given classes. Rejecting foreign elements will reduce the number of false positives, but can also reject native elements reducing True Positives as side effect. Therefore, it is important to build well-designed rejection, which will reject significant part of foreigners and only few natives. In this paper, evaluations of classification with rejection concepts are presented. Three main models: a classification without rejection, a classification with rejection, and a classification with reclassification are presented. The concepts are illustrated by flexible ensembles of binary classifiers with evaluations of eachmodel. The proposed models can be used, in particular, as classifiers working with noised data, where recognized input is not limited to elements of known classes. |
2013 |
Homenda, Wladyslaw; Luckner, Marcin; Pedrycz, Witold Classification with rejection : concepts and formal evaluations Inproceedings 8th International Conference on Knowledge, Information and Creativity Support, pp. 161–172, Kraków, 2013, ISBN: 9781479914845. BibTeX | Tags: Binary classifiers ensemble, Reclassification, Rejection rule @inproceedings{Homenda2013, title = {Classification with rejection : concepts and formal evaluations}, author = {Wladyslaw Homenda and Marcin Luckner and Witold Pedrycz}, isbn = {9781479914845}, year = {2013}, date = {2013-01-01}, booktitle = {8th International Conference on Knowledge, Information and Creativity Support}, pages = {161--172}, address = {Kraków}, keywords = {Binary classifiers ensemble, Reclassification, Rejection rule}, pubstate = {published}, tppubtype = {inproceedings} } |
Homenda, Wladyslaw; Luckner, Marcin; Pedrycz, Witold Classification with rejection : concepts and formal evaluations Inproceedings 8th International Conference on Knowledge, Information and Creativity Support, pp. 161–172, Kraków, 2013, ISBN: 9781479914845. BibTeX | Tags: Binary classifiers ensemble, Reclassification, Rejection rule @inproceedings{Homenda2013b, title = {Classification with rejection : concepts and formal evaluations}, author = {Wladyslaw Homenda and Marcin Luckner and Witold Pedrycz}, isbn = {9781479914845}, year = {2013}, date = {2013-01-01}, booktitle = {8th International Conference on Knowledge, Information and Creativity Support}, pages = {161--172}, address = {Kraków}, keywords = {Binary classifiers ensemble, Reclassification, Rejection rule}, pubstate = {published}, tppubtype = {inproceedings} } |
Publications
2016 |
Classification with rejection: Concepts and evaluations Inproceedings Advances in Intelligent Systems and Computing, pp. 413–425, 2016, ISSN: 21945357. |
Classification with rejection: Concepts and evaluations Inproceedings Advances in Intelligent Systems and Computing, pp. 413–425, 2016, ISSN: 21945357. |
2013 |
Classification with rejection : concepts and formal evaluations Inproceedings 8th International Conference on Knowledge, Information and Creativity Support, pp. 161–172, Kraków, 2013, ISBN: 9781479914845. |
Classification with rejection : concepts and formal evaluations Inproceedings 8th International Conference on Knowledge, Information and Creativity Support, pp. 161–172, Kraków, 2013, ISBN: 9781479914845. |