國立虎尾科技大學 |

Image Classification with Hierarchical Datasets.

紀錄類型:	書目-語言資料,手稿 : Monograph/item
正題名/作者:	Image Classification with Hierarchical Datasets./
作者:	Wadkar, Abhijeet Ramesh.
面頁冊數:	1 online resource (57 pages)
附註:	Source: Masters Abstracts International, Volume: 56-06.
Contained By:	Masters Abstracts International56-06(E).
標題:	Computer science. -
電子資源:	click for full text (PQDT)
ISBN:	9780355135480

Image Classification with Hierarchical Datasets.
Wadkar, Abhijeet Ramesh.

Image Classification with Hierarchical Datasets. - 1 online resource (57 pages)

Source: Masters Abstracts International, Volume: 56-06.

Thesis (M.S.)

Includes bibliographical references

This item is not available from ProQuest Dissertations & Theses.

The image classification problem has become exceedingly important with applications in fields such as self-driving cars and robotics. In this research, we use the hierarchy of object categories to improve state-of-the-art convolutional neural network (CNN) image classification techniques. We use semantic hierarchies in the labels of images to integrate prior knowledge about the real-world hierarchies of concepts or objects while training our CNN models. We start with an architecture based on the AlexNet and present a hierarchy aware loss function for training the CNNs and evaluate the top-1 and top-5 predictions of our models with respect to a baseline model on the Caltech-256 and ImageNet datasets. The results of our best architecture show an increase of 6.16% in top-1 and 4.54% increase in top-5 accuracy for the Caltech-256 dataset as well as an average increase of 4.09% in top-1 and 1.83% in top-5 accuracy in the ImageNet dataset over the baseline. Finally, we conduct an extensive analysis of our models' performance and showcase that our CNN architecture is able to classify better in generalized concepts higher up in the semantic hierarchy.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2018

Mode of access: World Wide Web

ISBN: 9780355135480Subjects--Topical Terms:

573171
Computer science.
Index Terms--Genre/Form:

554714
Electronic books.

Image Classification with Hierarchical Datasets.
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500 $a Source: Masters Abstracts International, Volume: 56-06.
500 $a Adviser: Tim Oates.
502 $a Thesis (M.S.) $c University of Maryland, Baltimore County $d 2017.
504 $a Includes bibliographical references
506 $a This item is not available from ProQuest Dissertations & Theses.
520 $a The image classification problem has become exceedingly important with applications in fields such as self-driving cars and robotics. In this research, we use the hierarchy of object categories to improve state-of-the-art convolutional neural network (CNN) image classification techniques. We use semantic hierarchies in the labels of images to integrate prior knowledge about the real-world hierarchies of concepts or objects while training our CNN models. We start with an architecture based on the AlexNet and present a hierarchy aware loss function for training the CNNs and evaluate the top-1 and top-5 predictions of our models with respect to a baseline model on the Caltech-256 and ImageNet datasets. The results of our best architecture show an increase of 6.16% in top-1 and 4.54% increase in top-5 accuracy for the Caltech-256 dataset as well as an average increase of 4.09% in top-1 and 1.83% in top-5 accuracy in the ImageNet dataset over the baseline. Finally, we conduct an extensive analysis of our models' performance and showcase that our CNN architecture is able to classify better in generalized concepts higher up in the semantic hierarchy.
533 $a Electronic reproduction. $b Ann Arbor, Mich. : $c ProQuest, $d 2018
538 $a Mode of access: World Wide Web
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