Application Example : Photo OCR
1. Photo OCR
1.1 Problem Description and Pipeline
Photo OCR pipeline
1.2 Sliding Windows
Pedestrian detection框的寬高比類似
Supervised Learning for pedestrain detection
Sliding window detection. 每次需要resize到輸入的固定大小
Text detection. Expansion
Character segmentation
1.3 Getting Lots of Data and Artificial Data
人工合成數(shù)據(jù)
通過(guò)變形原樣本擴(kuò)大數(shù)據(jù)集
加入噪聲
一般圖像加入噪聲不能改進(jìn)效果
獲取更多的數(shù)據(jù)
1.4 Ceiling Analysis : What part of the Pipeline to Work on Next (上限分析)
Ceiling Analysis
Another Ceiling Analysis example
Question.1
2. Summary
Main topics
