| Presentation | 2019-03-14 A Search Method of Cropped Image Using Corner Feature Points for Watermarked Image Kouki Ikeda, Kousuke Imamura, Hideo Kuroda, Makoto Fujimura, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | The digital watermarking technique is used for the prevention of distribution of illegal copies. However, the simply applying the watermarking technique to Internet images requires large amount calculation for the extraction of the embedded information. To solve the problem, we have proposed a fast two-stage search method for digital watermarked images in Internet. In the searching from Internet, the watermarked images are sometimes transformed by an image processing. Therefore, we have introduced the countermeasures of the transformations, such as scaling, rotation, image compression, and luminance correction, to our search method. In this paper, we propose an image search method for cropped watermarked image searching. In the cropped image searching, the target image is retrieved based on the similarity of corner feature points after selection by the inclusion ratio of the pixel value histogram. We evaluated the performance of our proposed method by computer simulations, and show the processing time is decreased to about 1.4% of the block matching based method. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Digital watermarked image / Cropped image search / Corner feature point |
| Paper # | IMQ2018-27,IE2018-111,MVE2018-58 |
| Date of Issue | 2019-03-07 (IMQ, IE, MVE) |
| Conference Information | |
| Committee | IMQ / IE / MVE / CQ |
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| Conference Date | 2019/3/14(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagoshima University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | media of five senses, multimedia, media experience, picture codinge, image media quality, network,quality and reliability, etc |
| Chair | Kenji Sugiyama(Seikei Univ.) / Takayuki Hamamoto(Tokyo Univ. of Science) / Kenji Mase(Nagoya Univ.) / Takanori Hayashi(Hiroshima Inst. of Tech.) |
| Vice Chair | Toshiya Nakaguchi(Chiba Univ.) / Mitsuru Maeda(Canon) / Hideaki Kimata(NTT) / Kazuya Kodama(NII) / Masayuki Ihara(NTT) / Hideyuki Shimonishi(NEC) / Jun Okamoto(NTT) |
| Secretary | Toshiya Nakaguchi(Nagoya Univ.) / Mitsuru Maeda(Sony) / Hideaki Kimata(KDDI Research) / Kazuya Kodama(Nagoya Univ.) / Masayuki Ihara(NTT) / Hideyuki Shimonishi(Kyushu Univ.) / Jun Okamoto(Nagoya Univ.) |
| Assistant | Masaru Tsuchida(NTT) / Gosuke Ohashi(Shizuoka Univ.) / Kazuya Hayase(NTT) / Yasutaka Matsuo(NHK) / Satoshi Nishiguchi(Oosaka Inst. of Tech.) / Masanori Yokoyama(*) / Chikara Sasaki(KDDI Research) / Yoshiaki Nishikawa(NEC) / Ryo Yamamoto(UEC) |
| Paper Information | |
| Registration To | Technical Committee on Image Media Quality / Technical Committee on Image Engineering / Technical Committee on Media Experience and Virtual Environment / Technical Committee on Communication Quality |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Search Method of Cropped Image Using Corner Feature Points for Watermarked Image |
| Sub Title (in English) | |
| Keyword(1) | Digital watermarked image |
| Keyword(2) | Cropped image search |
| Keyword(3) | Corner feature point |
| 1st Author's Name | Kouki Ikeda |
| 1st Author's Affiliation | Kanazawa University(Kanazawa Univ.) |
| 2nd Author's Name | Kousuke Imamura |
| 2nd Author's Affiliation | Kanazawa University(Kanazawa Univ.) |
| 3rd Author's Name | Hideo Kuroda |
| 3rd Author's Affiliation | Nagasaki University(Nagasaki Univ.) |
| 4th Author's Name | Makoto Fujimura |
| 4th Author's Affiliation | Nagasaki University(Nagasaki Univ.) |
| Date | 2019-03-14 |
| Paper # | IMQ2018-27,IE2018-111,MVE2018-58 |
| Volume (vol) | vol.118 |
| Number (no) | IMQ-500,IE-501,MVE-502 |
| Page | pp.pp.25-29(IMQ), pp.25-29(IE), pp.25-29(MVE), |
| #Pages | 5 |
| Date of Issue | 2019-03-07 (IMQ, IE, MVE) |