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Akademický článek

Accurate Long-Term Evolution/Wi-Fi hybrid positioning technology for emergency rescue

Autor: Myungin Ji, Ju-il Jeon, Kyeong-Soo Han, Youngsu Cho

Publikováno v: ETRI Journal, Vol 45, Iss 6, Pp 939-951 (2023)

It is critical to estimate the location using only Long-Term Evolution (LTE) and Wi-Fi information gathered by the user's smartphone and deployable for emergency rescue, regardless of whether the Global Positioning System is received. In this researc

Externí odkaz: https://doaj.org/article/c372d662afea40b786832b22090260c9

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Accurate Long‐Term Evolution/Wi‐Fi hybrid positioning technology for emergency rescue

Autor: Myungin Ji, Ju‐il Jeon, Kyeong‐Soo Han, Youngsu Cho

Publikováno v: ETRI Journal.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::769d022ed897ddbb05988d3ecbe6cb16
https://doi.org/10.4218/etrij.2022-0234

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Coding Efficiency Improvement By Applying Rate-Distortion Optimization To 3D-DCT Based Integral Image Compression Method

Autor: Ju-Il Jeon, Hyun-Soo Kang

Publikováno v: The Journal of the Korea Contents Association. 12:1-8

In this paper, we propose a rate-distortion optimization method to improve the coding efficiency of the conventional 3D-DCT based compression method using adaptive block mode selection for integral images. In the conventional 3D-DCT based compression

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbc2e4f0e4dd0bfc1d54cbbe65955050
https://doi.org/10.5392/jkca.2012.12.09.001

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Enhanced three-dimensional discrete cosine transform based compression method for integral images by adaptive three-dimensional block construction

Autor: Hyun-Soo Kang, Ju-Il Jeon

Publikováno v: Applied optics. 49(30)

In this paper, we propose an efficient compression method for integral images based on three-dimensional discrete cosine transform (3D-DCT). Even though the existing 3D-DCT based techniques are efficient, they may not be optimized to the characterist

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa2ee2dcf5de4e5d9bb4659c1168d0e5
https://pubmed.ncbi.nlm.nih.gov/20962936

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3D DCT Based Compression Method for Integral Images

Autor: Ju-Il Jeon, Hyun-Soo Kang

Publikováno v: Advances in Visual Computing ISBN: 9783642172731
ISVC (2)

This paper presents an efficient compression method for the integral images where an adaptive 3D block construction is employed for three dimensional discrete cosine transform (3D-DCT). The existing 3DDCT based techniques take disadvantages in 3D blo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::043a470e3f68e18ba85910f9add74c64
https://doi.org/10.1007/978-3-642-17274-8_64