Off-Line Handwritten Signature Retrieval using Curvelet Transforms
نویسندگان
چکیده
— In this paper, a new method for offline handwritten signature retrieval is based on curvelet transform is proposed. Many applications in image processing require similarity retrieval of an image from a large collection of images. In such cases, image indexing becomes important for efficient organization and retrieval of images. This paper addresses this issue in the context of a database of handwritten signature images and describes a system for similarity retrieval. The proposed system uses a curvelet based texture features extraction .The performance of the system has been tested with an image database of 180 signatures. The results obtained indicate that the proposed system is able to identify signatures with great with accuracy even when a part of a signature is missing. KeywordsHandwritten recognition, Image indexing, Similarity retrieval, Signature verification, Signature identification.
منابع مشابه
Script Identification using Discrete Curvelet Transforms
This paper presents discrete curvelet transform (DCvT) based block level handwritten script
متن کاملOff-line Handwritten Signature Recognition Using Wavelet Neural Network
ـــ ـ Automatic signature verification is a wellestablished and an active area for research with numerous applications such as bank check verification, ATM access, etc. Most off-Line signature verification systems depend on pixels intensity in feature extraction process which is sensitive to noise and any scale or rotation process on signature image. This paper proposes an off-line handwritten ...
متن کاملSID Signature Database: A Tunisian Off-line Handwritten Signature Database
Our research works are concerned with checking the off-line handwritten signature. We propose a base of Tunisian static handwritten signatures. In this paper, we go through the phase of designing the SID-Signature database and its various features. Afterwards, we present the results obtained by this base as part of our system of handwritten-signature verification.
متن کاملUse of the Shearlet Transform and Transfer Learning in Offline Handwritten Signature Verification and Recognition
Despite the growing growth of technology, handwritten signature has been selected as the first option between biometrics by users. In this paper, a new methodology for offline handwritten signature verification and recognition based on the Shearlet transform and transfer learning is proposed. Since, a large percentage of handwritten signatures are composed of curves and the performance of a sig...
متن کاملAnalysis of Singularity Lines by Transforms with Parabolic Scaling
Using Hart Smith’s, curvelet, and shearlet transforms, we investigate L functions with sufficiently smooth background and present here sufficient and necessary conditions, which include the special case with 1-dimensional singularity line. Specifically, we consider the situation where regularity on a line in a non-parallel direction is much lower than directional regularity along the line in a ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
- CoRR
دوره abs/1104.1945 شماره
صفحات -
تاریخ انتشار 2011