{"id":99732,"date":"2025-03-08T16:00:13","date_gmt":"2025-03-08T09:00:13","guid":{"rendered":"https:\/\/www.its.ac.id\/news\/?p=99732"},"modified":"2025-03-14T14:07:24","modified_gmt":"2025-03-14T07:07:24","slug":"its-new-doctor-innovates-self-supervised-learning-for-3d-data","status":"publish","type":"post","link":"https:\/\/www.its.ac.id\/news\/en\/its-new-doctor-innovates-self-supervised-learning-for-3d-data\/","title":{"rendered":"ITS New Doctor Innovates Self-Supervised Learning for 3D Data"},"content":{"rendered":"<figure id=\"attachment_99655\" aria-describedby=\"caption-attachment-99655\" style=\"width: 1600px\" class=\"wp-caption alignnone\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-99655\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya.jpg\" alt=\"Dr Oddy Virgantara Putra SKom MT saat menerangkan cara kerja self-supervised system dalam\u00a0penelitiannya\" width=\"1600\" height=\"1200\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya.jpg 1600w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya-300x225.jpg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya-1024x768.jpg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya-768x576.jpg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya-1536x1152.jpg 1536w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-menerangkan-cara-kerja-self-supervised-system-dalam-penelitiannya-355x266.jpg 355w\" sizes=\"(max-width: 1600px) 100vw, 1600px\" \/><figcaption id=\"caption-attachment-99655\" class=\"wp-caption-text\">Dr Oddy Virgantara Putra SKom MT while explaining how the self-supervised system works in his research<\/figcaption><\/figure>\n<blockquote>\n<p style=\"text-align: justify\"><b>ITS Campus, ITS News \u2014 <\/b>A graduate of the <span style=\"font-weight: 400\"><a href=\"https:\/\/www.its.ac.id\/telektro\/\">Electrical Engineering Department<\/a> of<a href=\"https:\/\/www.its.ac.id\/\"> Institut Teknologi Sepuluh Nopember (ITS)<\/a>, Dr Oddy Virgantara Putra SKom MT has developed a practical self-learning framework to overcome data inaccuracies. The framework combines denoising and self-learning techniques to significantly improve the accuracy of three-dimensional (3D) object recognition.<\/span><\/p>\n<\/blockquote>\n<p style=\"text-align: justify\">Oddy explained that the framework he developed can reduce noise and improve the quality of 3D point cloud data, a set of points in 3D space that represents the surface shape of an object or environment. \u201cThis is achieved through the denoising module, which consists of ScoreNet and Guided Filter,\u201d said the man who is also a lecturer at Informatics Engineering\u00a0Universitas Darussalam Gontor,\u00a0Ponorogo.<\/p>\n<p style=\"text-align: justify\">According to Oddy, this module isolates valuable information and enhances important details from 3D point cloud data. The enhanced data is then used to train classifiers based on the GDANet architecture, an attention network designed to better understand 3D object representations through geometry separation.<\/p>\n<figure id=\"attachment_99654\" aria-describedby=\"caption-attachment-99654\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-99654\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-melakukan-presentasi-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS.jpg\" alt=\"Dr Oddy Virgantara Putra SKom MT saat melakukan presentasi disertasinya dalam Sidang Terbuka Promosi Doktor di Departemen Teknik\u00a0Elektro\u00a0ITS\" width=\"1280\" height=\"853\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-melakukan-presentasi-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS.jpg 1280w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-melakukan-presentasi-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-300x200.jpg 300w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-melakukan-presentasi-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-1024x682.jpg 1024w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-melakukan-presentasi-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-768x512.jpg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-saat-melakukan-presentasi-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-355x237.jpg 355w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-99654\" class=\"wp-caption-text\">Dr Oddy Virgantara Putra SKom MT during his dissertation presentation in the Open Session of Doctoral Promotion at the Department of Electrical Engineering ITS<\/figcaption><\/figure>\n<p style=\"text-align: justify\">Furthermore, this architecture utilizes a two-function operation or overparameterized convolution (DOConv). This convolution layer is designed to improve the performance of convolutional neural networks by adding additional parameters without increasing computational complexity during inference. \u201cIt is used to capture complex features important for accurate classification,\u201d he explained.<\/p>\n<p style=\"text-align: justify\"><span style=\"font-weight: 400\">The man from Kediri added that he also developed a self-learning framework called Adaptive Dynamic Loss Weighting for Cross-Modal Contrastive Point Cloud Learning (AdaCrossNet). This framework is intended to improve representation learning. \u201cAdaCrossNet is designed to reduce the need for manual annotation through dynamic intra-modal and cross-modal contrastive learning,\u201d he said.<\/span><\/p>\n<p style=\"text-align: justify\">Test results showed that the framework developed by Oddy achieved excellent performance on various benchmark datasets. The denoising module achieved a Hausdorff Distance score of 0.177, which is the maximum distance between a specific geometry corner point and the nearest corner point in the reference geometry. The classifier achieved 90.7 percent accuracy on ModelNet40 and 96.7 percent on the Human Pose Dataset.<\/p>\n<figure id=\"attachment_99653\" aria-describedby=\"caption-attachment-99653\" style=\"width: 1201px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-99653\" src=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS.jpg\" alt=\"Dr Oddy Virgantara Putra SKom MT menunjukkan disertasinya dalam Sidang Terbuka Promosi Doktor di Departemen Teknik\u00a0Elektro\u00a0ITS\" width=\"1201\" height=\"1600\" srcset=\"https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS.jpg 1201w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-225x300.jpg 225w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-769x1024.jpg 769w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-768x1023.jpg 768w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-1153x1536.jpg 1153w, https:\/\/www.its.ac.id\/news\/wp-content\/uploads\/sites\/2\/2025\/03\/Dr-Oddy-Virgantara-Putra-SKom-MT-menunjukkan-disertasinya-dalam-Sidang-Terbuka-Promosi-Doktor-di-Departemen-Teknik-Elektro-ITS-240x320.jpg 240w\" sizes=\"(max-width: 1201px) 100vw, 1201px\" \/><figcaption id=\"caption-attachment-99653\" class=\"wp-caption-text\">Dr Oddy Virgantara Putra SKom MT, while showing his dissertation in the Open Session of Doctoral Promotion at the Department of Electrical Engineering ITS<\/figcaption><\/figure>\n<p style=\"text-align: justify\">Also mentioned, one of the main innovations of this research is the use of the Self-Supervised Learning (SSL) approach to recognize essential features from 3D point cloud data. This data is captured by Light Detection and Ranging (LiDAR), a remote scanning technology that uses lasers to measure the distance of an object or surface with great precision.<\/p>\n<p style=\"text-align: justify\">This technology can span everything from developing more accurate health monitoring systems to creating more intuitive interfaces for human-computer interaction. In healthcare, this technology can be used to analyze patient movements. \u201cIt can be used during rehabilitation or to detect changes in posture,\u201d Oddy added.<\/p>\n<p style=\"text-align: justify\">The results of this research can be utilized to support <a href=\"https:\/\/www.its.ac.id\/news\/en\/2025\/02\/08\/supporting-sdgs-fulfillment-its-commtech\/\">Sustainable Development Goals (SDGs)<\/a> 3 and 9, namely healthy living and welfare, as well as the goals to build infrastructure, innovation, and industry. Through this research, Oddy hopes his findings can support advancements in incorporating sensors to improve object and human recognition. \u201cSo that more people can be helped,\u201d he said optimistically. <strong>(ITS Public Relation)<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p><strong>Reporter: Harri Raditya Ardianto<br \/>\nTranslator: Lael Soebakir<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>ITS Campus, ITS News \u2014 A graduate of the Electrical Engineering Department of Institut Teknologi Sepuluh Nopember (ITS), Dr Oddy Virgantara Putra SKom MT has developed a practical self-learning framework to overcome data inaccuracies. The framework combines denoising and self-learning techniques to significantly improve the accuracy of three-dimensional (3D) object recognition. Oddy explained that the [&hellip;]<\/p>\n","protected":false},"author":172,"featured_media":99655,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[3663,3691,67,125],"tags":[],"class_list":["post-99732","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-good-health-well-being-en","category-innovation-infrastructure-en","category-latest-en","category-research-and-industry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ITS New Doctor Innovates Self-Supervised Learning for 3D Data - ITS News<\/title>\n<meta name=\"description\" content=\"Dr Oddy Virgantara Putra develops a self-supervised learning framework to enhance 3D object recognition, improving AI accuracy for smart systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, 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