Appearance-Based Features for Automatic Continuous Sign Language Recognition

نویسندگان

  • H. Ney
  • David Rybach
چکیده

This diploma thesis investigates appearance-based features for the person-independent vision-based recognition of continuous sign language. A large variety of methods which have been successfully used for automatic speech recognition is applied to this task. Appearance-based approaches do not rely on a segmentation of the images or on predefined models of the image content and use the image itself as the feature. A novel tracking algorithm is introduced and applied to hand and head tracking. The tracked body parts are used in order to calculate additional features to improve recognition performance. The presented automatic sign language recognition system is evaluated on a set of sentences in American Sign Language.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Using Different Aspects of the Signings for Appearance-based Sign Language Recognition

Sign language is used by the deaf and hard of hearing people for communication. Automatic sign language recognition is a challenging research area since sign language often is the only way of communication for the deaf people. Sign language includes different components of visual actions made by the signer using the hands, the face, and the torso, to convey his/her meaning. To use different asp...

متن کامل

Robust appearance based sign language recognition

In this work, we introduce a robust appearance-based sign language recognition system which is derived from a large vocabulary speech recognition system. The system employs a large variety of methods known from automatic speech recognition research for the modeling of temporal and language specific issues. The feature extraction part of the system is based on recent developments in image proces...

متن کامل

Automatic Face Recognition via Local Directional Patterns

Automatic facial recognition has many potential applications in different areas of humancomputer interaction. However, they are not yet fully realized due to the lack of an effectivefacial feature descriptor. In this paper, we present a new appearance based feature descriptor,the local directional pattern (LDP), to represent facial geometry and analyze its performance inrecognition. An LDP feat...

متن کامل

MAN-MACHINE INTERACTION SYSTEM FOR SUBJECT INDEPENDENT SIGN LANGUAGE RECOGNITION USING FUZZY HIDDEN MARKOV MODEL

Sign language recognition has spawned more and more interest in human–computer interaction society. The major challenge that SLR recognition faces now is developing methods that will scale well with increasing vocabulary size with a limited set of training data for the signer independent application. The automatic SLR based on hidden Markov models (HMMs) is very sensitive to gesture's shape inf...

متن کامل

Hand Tracking and Affine Shape-Appearance Handshape Sub-units in Continuous Sign Language Recognition

We propose and investigate a framework that utilizes novel aspects concerning probabilistic and morphological visual processing for the segmentation, tracking and handshape modeling of the hands, which is used as front-end for sign language video analysis. Our ultimate goal is to explore the automatic Handshape Sub-Unit (HSU) construction and moreover the exploitation of the overall system in a...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:

دوره   شماره 

صفحات  -

تاریخ انتشار 2006