European language family: Portuguese
1.1 Adjust the resolution of the mobile phone to 1:1
1.2 data scale: Portugal: 200k pictures. (a single entry has 25 letters, and many may not have 25 letters. It can be calculated on average)
Collection and distribution: shop name ,posters (mainly natural scenes, try not to collect books and newspapers (if collection must consider diversity), and the proportion shall be controlled below 5%, about 2-3%).
2.3 acquisition equipment: mobile phone, camera (1028 * 960p)
Collect and submit pictures as clear as possible
JPG is good;
Naming: name the photos according to the category that can be collected. Format: submission date（22th Sep) + photo category, such as 1019-shoping name -001，1019-shoping name-002, 1019-shoping name-003