Design of tiny object detection algorithm in aerial imagery using MMdetection

The effectiveness of object detection techniques has been greatly enhanced through the development of deep learning algorithms. Nevertheless, conventional horizontal bounding box object detection algorithms fall short in specialized scenarios such as aerial images with dense, tiny, and oriented obj...

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Main Author: Liu, Haoran
Other Authors: Wen Bihan
Format: Thesis-Master by Coursework
Language:English
Published: Nanyang Technological University 2023
Subjects:
Online Access:https://hdl.handle.net/10356/172237
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author Liu, Haoran
author2 Wen Bihan
author_facet Wen Bihan
Liu, Haoran
author_sort Liu, Haoran
collection NTU
description The effectiveness of object detection techniques has been greatly enhanced through the development of deep learning algorithms. Nevertheless, conventional horizontal bounding box object detection algorithms fall short in specialized scenarios such as aerial images with dense, tiny, and oriented objects. This dissertation aims to investigate enhancing the performance concerning detecting densely clustered objects of small size in aerial imagery, utilizing oriented object detection algorithms. As an extension of horizontal object detection, the oriented information of detection network excels in handling detection tasks involving many densely arranged and arbitrarily oriented targets. The research can be divided into three main contents. Initially, it envelops the significance and widespread application demand for oriented object detection, especially in the realm of aerial imagery. Following this, a comparative analysis of some of the existing benchmarks of oriented object detection algorithms is conducted on notable optical datasets like DOTA v2.0 and SAR datasets including HRSID and SSDD. This experiment provides a substantial reference for selecting foundational algorithms for subsequent optimizations. Ultimately, the research pivots towards the optimization based on R3Det, focusing on enhancing the feature fusion network, adjusting the stride of detection head, and embedding attention mechanisms within the backbone to elevate the perception capacity towards tiny objects in aerial vistas. Keywords: Tiny object detection; oriented object detection; aerial images.
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spelling ntu-10356/1722372023-12-08T15:43:12Z Design of tiny object detection algorithm in aerial imagery using MMdetection Liu, Haoran Wen Bihan School of Electrical and Electronic Engineering bihan.wen@ntu.edu.sg Engineering::Computer science and engineering::Computing methodologies::Image processing and computer vision The effectiveness of object detection techniques has been greatly enhanced through the development of deep learning algorithms. Nevertheless, conventional horizontal bounding box object detection algorithms fall short in specialized scenarios such as aerial images with dense, tiny, and oriented objects. This dissertation aims to investigate enhancing the performance concerning detecting densely clustered objects of small size in aerial imagery, utilizing oriented object detection algorithms. As an extension of horizontal object detection, the oriented information of detection network excels in handling detection tasks involving many densely arranged and arbitrarily oriented targets. The research can be divided into three main contents. Initially, it envelops the significance and widespread application demand for oriented object detection, especially in the realm of aerial imagery. Following this, a comparative analysis of some of the existing benchmarks of oriented object detection algorithms is conducted on notable optical datasets like DOTA v2.0 and SAR datasets including HRSID and SSDD. This experiment provides a substantial reference for selecting foundational algorithms for subsequent optimizations. Ultimately, the research pivots towards the optimization based on R3Det, focusing on enhancing the feature fusion network, adjusting the stride of detection head, and embedding attention mechanisms within the backbone to elevate the perception capacity towards tiny objects in aerial vistas. Keywords: Tiny object detection; oriented object detection; aerial images. Master of Science (Computer Control and Automation) 2023-12-04T05:32:26Z 2023-12-04T05:32:26Z 2023 Thesis-Master by Coursework Liu, H. (2023). Design of tiny object detection algorithm in aerial imagery using MMdetection. Master's thesis, Nanyang Technological University, Singapore. https://hdl.handle.net/10356/172237 https://hdl.handle.net/10356/172237 en application/pdf Nanyang Technological University
spellingShingle Engineering::Computer science and engineering::Computing methodologies::Image processing and computer vision
Liu, Haoran
Design of tiny object detection algorithm in aerial imagery using MMdetection
title Design of tiny object detection algorithm in aerial imagery using MMdetection
title_full Design of tiny object detection algorithm in aerial imagery using MMdetection
title_fullStr Design of tiny object detection algorithm in aerial imagery using MMdetection
title_full_unstemmed Design of tiny object detection algorithm in aerial imagery using MMdetection
title_short Design of tiny object detection algorithm in aerial imagery using MMdetection
title_sort design of tiny object detection algorithm in aerial imagery using mmdetection
topic Engineering::Computer science and engineering::Computing methodologies::Image processing and computer vision
url https://hdl.handle.net/10356/172237
work_keys_str_mv AT liuhaoran designoftinyobjectdetectionalgorithminaerialimageryusingmmdetection