Dataset Groups Activity Stream ABAW4 The ABAW4 challenge includes two sub-challenges, i.e., the multi-task learning (MTL) challenge and the learning from synthetic data (LSD) challenge. BibTex: @dataset{Deng_2024, abstract = {The ABAW4 challenge includes two sub-challenges, i.e., the multi-task learning (MTL) challenge and the learning from synthetic data (LSD) challenge.}, author = {Deng}, doi = {10.57702/vv829zrd}, institution = {No Organization}, keyword = {'affective behavior', 'face images', 'learning from synthetic data', 'multi-task learning'}, month = {dec}, publisher = {TIB}, title = {ABAW4}, url = {https://service.tib.eu/ldmservice/dataset/abaw4}, year = {2024} }