零基礎入門CV賽事- 街景字符編碼識別 賽事報名頁面
數(shù)據(jù)下載鏈接
來自SVHN數(shù)據(jù)集
| file | size | link |
|---|---|---|
| mchar_train.zip | 345.91MB | http://tianchi-competition.oss-cn-hangzhou.aliyuncs.com/531795/mchar_train.zip |
| mchar_train.json | 3.16MB | http://tianchi-competition.oss-cn-hangzhou.aliyuncs.com/531795/mchar_train.json |
| mchar_val.zip | 200.16MB | http://tianchi-competition.oss-cn-hangzhou.aliyuncs.com/531795/mchar_val.zip |
| mchar_val.json | 1.03MB | http://tianchi-competition.oss-cn-hangzhou.aliyuncs.com/531795/mchar_val.json |
| mchar_test_a.zip | 370.6MB | http://tianchi-competition.oss-cn-hangzhou.aliyuncs.com/531795/mchar_test_a.zip |
| mchar_sample_submit_A.csv | 507.83KB | http://tianchi-competition.oss-cn-hangzhou.aliyuncs.com/531795/mchar_sample_submit_A.csv |
數(shù)據(jù)標簽含義
| Field | Description |
|---|---|
| top | 左上角坐標X |
| height | 字符高度 |
| left | 左上角最表Y |
| width | 字符寬度 |
| label | 字符編碼 |
字符框坐標含義
評測標準
三種解題思路
- 簡單入門思路：定長字符識別
- 專業(yè)字符識別思路：不定長字符識別
- 專業(yè)分類思路：檢測再識別
注意事項：
- 僅能使用所提供的數(shù)據(jù)
- 一張圖可能有多個字符，隨之有多個數(shù)字框
- 多個字符的圖片，任何一個字符錯誤都算錯
