How to Collect More Data for Sign Language Processing

Sign language is a visual language, so it's important to think ot the quality of the videos. The light and background color also matter in ways that people can use your data set. Lots of open research questions here and opportunities for new students to work on. I want to talk a little bit about a collecting data set and data sets. And i think we didan may be high light enough so far. Ow scarcity of data is a real obstacle for sign language processing. So can you tell us about criteria that we should fulfil if we were collect more data?