Gait recognition with shifted energy image and structural feature extraction

This is the author's accepted manuscript. The final published article is available from the link below. Copyright @ 2012 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.In this paper, we present a novel and efficient gait recognition system. The proposed system uses two novel gait representations, i.e., the shifted energy image and the gait structural profile, which have increased robustness to some classes of structural variations. Furthermore, we introduce a novel method for the simulation of walking conditions and the generation of artificial subjects that are used for the application of linear discriminant analysis. In the decision stage, the two representations are fused. Thorough experimental evaluation, conducted using one traditional and two new databases, demonstrates the advantages of the proposed system in comparison with current state-of-the-art systems

Conditional-Sorting Local Binary Pattern Based on Gait Energy Image for Human Identification

[[abstract]]Gait recognition systems have recently attracted much interest from biometric researchers. This work proposes a new feature extraction method for gait representation and recognition. The new method is extended from the technique of Local Binary Pattern (LBP) by changing the sorting method of LBP according to the blend direction to create a new approach, Conditional-Sorting Local Binary Pattern (CS-LBP). After synchronizing and calibrating the gait sequence images, a cycle of images from the gait sequence can be captured to form a Gait Energy Image (GEI). We then apply the CS-LBP on GEI to derive different blend direction images and calculate the recognition ability for each blend direction image for feature selections. To solve the classification problem, the Euclidean distance and Nearest Neighbor (NN) approaches are used. With the experiments carried out on the CASIA-B gait database, our proposed gait representation has a very good recognition rate.[[sponsorship]]Worldcomp[[conferencetype]]國際[[conferencedate]]20130722~20130725[[booktype]]紙本[[iscallforpapers]]Y[[conferencelocation]]Las Vegas, US

PENGENALAN MANUSIA BERBASIS PADA SINGLE-GAIT MENGGUNAKAN METODE MODIFIKASI LATENT CONDITIONAL RANDOM FIELD (L-CRF)

Pengenalan gait merupakan salah satu bagian dari computer vision yang berfungsi untuk mengenali subjek (manusia) dengan jarak tertentu tanpa memperhatikan aspek biometrik seperti iris, wajah, dan sidik jari. Latent Conditional Random Field (L-CRF) merupakan salah satu algoritma pengenalan single-gait dengan hasil yang lebih baik.Walaupun hasil performansi akurasi subjek dengan kondisi berjalan normal (#NM) yang lebih baik, tapi masih terdapat masalah performansi akurasi terhadap kondisi berjalan lain seperti membawa tas (#BG) dan memakai jas (#CL). Modifikasi Latent Conditional Random Field (mL-CRF) merupakan salah satu metode yang masih berkaitan dengan L-CRF, tapi memiliki perbedaan pada parameter pairwise. Keunggulannya adalah hasil yang lebih baik dalam melatih dan menguji data dari domain yang identik. Penelitian ini menggunakan silhouette frames pada data set CASIA gait database B yang berisi 124 subjek dengan 110 sequence tiap subjek. Proses pengolahan data mLCRF dilakukan berdasarkan sampel training (LT74 & MT62) dan 11 sudut pengamatan yang akan dibandingkan dengan L-CRF tanpa modifikasi, serta penelitian-penelitian sebelumnya. Pada penelitian ini, LT74 pada mL-CRF merupakan sampel training yang paling baik yang menghasilkan peningkatan akurasi sebesar 0,89% (#NM), 1,32% (#BG), 1,54% (#CL) terhadap LCRF tanpa modifikasi