Motion-based video retargeting with optimized crop-and-warp

Yu Shuen Wang, Hui Chih Lin, Olga Sorkine, Tong Yee Lee

Research output: Chapter in Book/Report/Conference proceedingConference contribution

18 Citations (Scopus)

Abstract

We introduce a video retargeting method that achieves high-quality resizing to arbitrary aspect ratios for complex videos containing diverse camera and dynamic motions. Previous content-aware retargeting methods mostly concentrated on spatial considerations, attempting to preserve the shape of salient objects in each frame by removing or distorting homogeneous background content. However, sacrificeable space is fundamentally limited in video, since object motion makes foreground and background regions correlated, causing waving and squeezing artifacts. We solve the retargeting problem by explicitly employing motion information and by distributing distortion in both spatial and temporal dimensions. We combine novel cropping and warping operators, where the cropping removes temporally-recurring contents and the warping utilizes available homogeneous regions to mask deformations while preserving motion. Variational optimization allows to find the best balance between the two operations, enabling retargeting of challenging videos with complex motions, numerous prominent objects and arbitrary depth variability. Our method compares favorably with state-of-the-art retargeting systems, as demonstrated in the examples and widely supported by the conducted user study.

Original languageEnglish
Title of host publicationACM SIGGRAPH 2010 Papers, SIGGRAPH 2010
EditorsHugues Hoppe
PublisherAssociation for Computing Machinery, Inc
ISBN (Electronic)9781450302104
DOIs
Publication statusPublished - 2010 Jul 26
Event37th International Conference and Exhibition on Computer Graphics and Interactive Techniques, SIGGRAPH 2010 - Los Angeles, United States
Duration: 2010 Jul 262010 Jul 30

Publication series

NameACM SIGGRAPH 2010 Papers, SIGGRAPH 2010

Other

Other37th International Conference and Exhibition on Computer Graphics and Interactive Techniques, SIGGRAPH 2010
CountryUnited States
CityLos Angeles
Period10-07-2610-07-30

All Science Journal Classification (ASJC) codes

  • Computer Graphics and Computer-Aided Design
  • Computer Vision and Pattern Recognition
  • Software

Fingerprint Dive into the research topics of 'Motion-based video retargeting with optimized crop-and-warp'. Together they form a unique fingerprint.

Cite this