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  1. E100 教養教育院
  2. E100a 雑誌掲載論文
  3. 学術雑誌

並列可視光通信におけるLEDアレイの輝度値推定

http://hdl.handle.net/2237/23896
http://hdl.handle.net/2237/23896
86f842ae-76b9-4a09-90e6-ee9fcbe28ddd
名前 / ファイル ライセンス アクション
110009667239.pdf 110009667239.pdf (958.2 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-03-22
タイトル
タイトル 並列可視光通信におけるLEDアレイの輝度値推定
言語 ja
その他のタイトル
その他のタイトル Intensity estimation of LED array for parallel visible light communication
言語 en
著者 伊藤, 貴紀

× 伊藤, 貴紀

WEKO 64671

ja 伊藤, 貴紀

Search repository
圓道, 知博

× 圓道, 知博

WEKO 64672

ja 圓道, 知博

Search repository
荒井, 伸太郎

× 荒井, 伸太郎

WEKO 64673

ja 荒井, 伸太郎

Search repository
山里, 敬也

× 山里, 敬也

WEKO 64674

ja 山里, 敬也

Search repository
岡田, 啓

× 岡田, 啓

WEKO 64675

ja 岡田, 啓

Search repository
藤井, 俊彰

× 藤井, 俊彰

WEKO 64676

ja 藤井, 俊彰

Search repository
ITO, Takanori

× ITO, Takanori

WEKO 64677

en ITO, Takanori

Search repository
YENDO, Tomohiro

× YENDO, Tomohiro

WEKO 64678

en YENDO, Tomohiro

Search repository
ARAI, Shintaro

× ARAI, Shintaro

WEKO 64679

en ARAI, Shintaro

Search repository
YAMAZATO, Takaya

× YAMAZATO, Takaya

WEKO 64680

en YAMAZATO, Takaya

Search repository
OKADA, Hiraku

× OKADA, Hiraku

WEKO 64681

en OKADA, Hiraku

Search repository
FUJII, Toshiaki

× FUJII, Toshiaki

WEKO 64682

en FUJII, Toshiaki

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 ja
権利情報 (c)一般社団法人電子情報通信学会 本文データは学協会の許諾に基づきCiNiiから複製したものである
キーワード
主題Scheme Other
主題 LED
キーワード
主題Scheme Other
主題 可視光通信
キーワード
主題Scheme Other
主題 高度交通システム
キーワード
主題Scheme Other
主題 Visible Light Communication
キーワード
主題Scheme Other
主題 Intelligent Transport System
抄録
内容記述 本稿では,送信機にLED交通信号機,受信機に車載カメラを用いた路車間可視光通信においてLED信号機内の各LEDを個別に制御して2次元の明暗パターンとしてデータを送信する場合を想定する.送信機と受信機の距離が遠く送信機像のピクセル数が少ない場合や,画像のボケが大きい場合にLED輝度値の認識精度が低下する.そこで,送信機と受信機間のチャネル特性を線形としてモデル化し,その逆問題を解くことでLEDの輝度値をより正確に推定する手法を提案する.提案手法の有用性を検証するために計算機シミュレーションによるビット誤り率特性の評価と, LEDアレイとカメラを用いた実験を行った.その結果,提案手法は従来手法に比較して画像のボケが大きい場合や,ピクセル数が少ない場合に推定精度が良好であることが確認された.
言語 ja
内容記述タイプ Abstract
抄録
内容記述 This paper focuses on a road-to-vehicle visible light communication (VLC) system using LED traffic light as the transmitter and camera as the receiver. The traffic light is composed of a hundred of LEDs on two dimensional plain. In this system, data is sent as two dimensional brightness patterns by controlling each LED of the traffic light individually, and they are received as images by the camera. Here, there are problems that neighboring LEDs on the received image are merged due to less number of pixels in case that the receiver is distant from the transmitter, and/or due to blurring by defocus of the camera. Because of that, bit error rate (BER) increases due to recognition error of intensity of LEDs. To solve the problem, we propose a method that estimates the intensity of LEDs by solving the inverse problem of communication channel characteristic from the transmitter to the receiver. The proposed method is evaluated by BER characteristics which are obtained by computer simulation and experiments. In the result, the proposed method can estimate with better accuracy than the conventional methods, especially in case that the received image is blurred a lot, and the number of pixels is small.
言語 en
内容記述タイプ Abstract
内容記述
内容記述 IEICE Technical Report;CS2012-90, IEICE Technical Report;IE2012-104
言語 en
内容記述タイプ Other
出版者
言語 ja
出版者 一般社団法人電子情報通信学会
言語
言語 jpn
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
関連情報
関連タイプ isVersionOf
識別子タイプ URI
関連識別子 http://ci.nii.ac.jp/naid/110009667239/
ISSN
収録物識別子タイプ PISSN
収録物識別子 0913-5685
書誌情報 ja : 電子情報通信学会技術研究報告. IE, 画像工学

巻 112, 号 335, p. 113-118, 発行日 2012-11
著者版フラグ
値 publisher
シリーズ
関連名称 IEICE Technical Report;CS2012-90
シリーズ
関連名称 IEICE Technical Report;IE2012-104
URI
識別子 http://ci.nii.ac.jp/naid/110009667239/
識別子タイプ URI
URI
識別子 http://hdl.handle.net/2237/23896
識別子タイプ HDL
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