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Matching Seqlets : An Unsupervised Approach for Locality Preserving Sequence Matching

In this paper, we propose a novel unsupervised approach for sequence matching by explicitly accounting for the locality properties in the sequences. In contrast to conventional approaches that rely on frame-to-frame matching, we conduct matching using sequencelet or seqlet, a sub-sequence wherein the frames share strong similarities and are thus grouped together. The optimal seqlets and matching between them are learned jointly, without any supervision from users. The learned seqlets preserve the locality information at the scale of interest and resolve the ambiguities during matching, which are omitted by frame-based matching methods. We show that our proposed approach outperforms the state-of-the-art ones on datasets of different domains including human actions, facial expressions, speech, and character strokes.

Ketersediaan

Informasi Detail

Judul Seri

IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE; Vol.43 No.2 February 2021

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 745 - 752

Bahasa

English

ISBN/ISSN

-

Klasifikasi

-

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

JOINT OPTIMIZATION
SEQUENCE MATCHING
UNSUPERVISED METHODS
TEMPORAL CLUSTERING

Info Detail Spesifik

DOI: 10.1109/TPAMI.2019.2934052

Pernyataan Tanggungjawab

Jiayan Qiu, Xinchao Wang, Pascal Fua, Dacheng Tao

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