Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
2-end HOG feature extraction and random lying direction rectification by minimal-area encasing rectangle detection, (a) candidate HOG center locations, (b) HOG features extracted from the candidate locations, (c) rectify longer edge to vertical direction, (d) correct rectification, (e) upside down rectification.
