Stardust (https://stardust.ai) is a company built by machine learning experts to provide one-stop training data solutions for AI modeling and applications. Our services include image/video annotation, audio transcription, as well as OCR recognition. We have built highly optimized production lines for various application scenarios like autonomous driving, facial recognition, NLP, search relevance, and chatbot to name a few. Stardust have proudly served world-class companies and educational institutions like Tencent, Baidu, Face++, Xiaomi, CUHK, Huazhong University of Science and Technology, etc.