ICCV 2013, the International Conference on Computer Vision, is a bi-annual research conference and together with CVPR considered the top level conference in computer vision. In 2013 the conference is held at Sydney Conference Centre, Darling Harbour, Sydney, Australia from December 1-8, 2013. A CFP was not available at time of writing this, but the submission deadline is already confirmed:

Abstract Submission Deadline: April 8, 2013 (23:59 GMT)
Full Paper Submission Deadline: April 12, 2013 (23:59 GMT)
Author rebuttal period: July 9-15, 2013
Final decisions: September 6, 2013

Conference Dates

Workshops and tutorials: Dec 1-2, 2013
Main conference: Dec 3-6, 2013
Workshops and tutorials: Dec 7-8, 2013