Detail of Publication
| Text Language | Japanese |
|---|---|
| Authors | Tomohiro Nakai, Koichi Kise, Masakazu Iwamura, and Keinosuke Matsumoto |
| Title | Document Image Retrieval Based on Cross-Ratio and Hashing |
| Journal | IEICE Technical Report |
| Vol. | 104 |
| No. | PRMU-742 |
| Presentation number | PRMU2004-249 |
| Pages | pp.103-108 |
| Reviewed or not | Not reviewed |
| Month & Year | March 2005 |
| Abstract | In this report, we propose a new method of document image retrieval using digital cameras. The proposed method is to retrieve from document images which include parts or the whole of document images acquired by a digital camera. For this purpose, it is required to solve the problem of ``perspective distortion'' of images, as well as to establish a way for matching parts of document images flexibly. These are achieved based on the following characteristic points of the proposed method: (1) Indexing of document images using the projective invariant called the ``cross-ratio'', (2) Voting with hashes whose indices are defined by the cross-ratios. From experimental results using digital cameras with high resolution and a camera phone, we demonstrate the effectiveness of the proposed method. |
- Following file is available.
- Entry for BibTeX
@InCollection{Nakai2005, author = {Tomohiro Nakai and Koichi Kise and Masakazu Iwamura and Keinosuke Matsumoto}, title = {Document Image Retrieval Based on Cross-Ratio and Hashing}, booktitle = {IEICE Technical Report}, year = 2005, month = mar, volume = {104}, number = {PRMU-742}, presenID = {PRMU2004-249}, pages = {103--108} }