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Author: search.filters.author.Fujii, YusakuSubject: search.filters.subject.Security camera

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    The use of security cameras with privacy protecting ability
    (2011-05-02)
    Prashyanusorn, Vacharee
    ;
    Prashyanusorn, Paiboon
    ;
    Kaviya, Somkuan
    ;
    Fujii, Yusaku
    ;
    Yupapin, Preecha P.
    A novel method of security camera operation is proposed. In the method, security cameras, which encrypt the taken images and store them into the memory card inside, are used. Only when crimes occur, the memory cards are taken out from the cameras and the images are decrypted with the key and viewed by the city government and/or the police. When no crimes occur, images are overwritten by the new ones after a week automatically without being viewed by anyone. By using the stand-alone cameras without wiring to the control center, the installation cost and the operation cost are much lower than CCTV cameras. By using image encryption, the privacy of the tourists is protected. Using this system, high density installation of the security cameras with very low cost can be realized in encryption with image encryption privacy protection function.
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    e-JIKEI Network using e-JIKEI Cameras: Community security using considerable number of cheap stand-alone cameras
    (2010-08-01)
    Fujii, Yusaku
    ;
    Maru, Koichi
    ;
    Kobayashi, Kojiro
    ;
    Yoshiura, Noriaki
    ;
    Ohta, Naoya
    The e-JIKEI Network, a concept for realizing a safer and more comfortable community, and the e-JIKEI Camera, a stand-alone camera developed for the e-JIKEI Network, are reviewed. The concept of the e-JIKEI Network is that residents view their surroundings using cheap cameras, which act as their eyes, and home computers, which act as their brains, using the free software provided by us through the Internet. For the complete protection of the privacy of ordinary citizens, we propose a second concept supporting the concept of the e-JIKEI Network; in this concept, those who own and manage images (owners) and those who have the right to view these images (viewers) are separated by means of image encryption. Since 2004, the " Dairi-EYE" series, a free software for a personal computer (PC)-based system, has been distributed through our website. However, the use of PCs is not very user-friendly. Therefore, an all-in-one device called the " e-JIKEI Camera" has been developed. A social experiment of the e-JIKEI Network using e-JIKEI Cameras has been carried out. © 2010 Elsevier Ltd.