Open AccessStereo Video Retargeting with Representative Seams in a Group of Stereoscopic Frames
Author(s) -
Nguyen Hai Thanh,
Won Chee Sun
Publication year - 2013
Publication title -
etri journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.295
H-Index - 46
eISSN - 2233-7326
pISSN - 1225-6463
DOI - 10.4218/etrij.13.2013.0032
Subject(s) - retargeting , seam carving , computer vision , artificial intelligence , computer science , stereoscopy , coherence (philosophical gambling strategy) , distortion (music) , frame (networking) , set (abstract data type) , computer graphics (images) , mathematics , image (mathematics) , telecommunications , amplifier , statistics , bandwidth (computing) , programming language
The important requirements for stereo video retargeting are threefold: keeping temporal coherence, preventing depth distortion, and minimizing shape distortions of the retargeted video. To meet these requirements, the left and right video sequences are divided into groups of frames (GoFs), where the GoF is a basic unit for the seam carving and we assign a set of fixed seams for all frames within the GoF. To determine the fixed seams for each GoF, we need to find the GoF boundary in the video first. Then, the representative frame for each GoF is generated by considering the spatial saliency and temporal coherence. Also, the confidence of the stereoscopic correspondence between the left and right frames is considered to prevent depth distortion.