Table 6.
The camera-based datasets (under real-world and simulation of real-world conditions in the lab).
| Dataset | Main Feature | Capacity | Emotions | Environment | Link |
|---|---|---|---|---|---|
| CAS(ME)2 | Both spontaneous micro and macro-expressions | 87 images of micro and macro-expressions 57 micro-expressions |
Four | Lab controlled | http://fu.psych.ac.cn/CASME/cas(me)2-en.php |
| AFEW 4.0 | Videos from real world scenarios | 1268 videos | Seven | Real-world | https://cs.anu.edu.au/few/AFEW.html |
| SFEW | Images from real world scenarios | 700 images | Seven | Real-world | https://cs.anu.edu.au/few/AFEW.html |
| CK+ | The most common lab-controlled dataset | 593 videos | Seven | Lab controlled | http://www.consortium.ri.cmu.edu/ckagree/ |
| CMU Multi-PIE | Simulation of 19 various lighting conditions | 755,370 images | Six | Lab controlled in different illumination variations | http://www.multipie.org/ |
| Florentine | Many participants for collecting videos | 2777 video clips | Seven | Lab controlled in different illumination variations | Not still public |
| Autoencoder | The largest introduced dataset in real world | 6.5 million video clips | Seven | Real world | Not still public |
| MMI | Dual view in an image | 1520 videos of Posed expressions | Six | Lab-controlled trying poor illumination conditions | https://mmifacedb.eu/accounts/register/ |
| AM-FED | Webcam videos from online viewers | 242 videos spontaneous expressions | Smile | Real-world | http://www.affectiva.com/facialexpression-dataset-am-fed/ |
| CAS-PEAL | Simulation of various backgrounds in the lab | images of posed expressions | Five | Lab-controlled in various illumination conditions | http://www.jdl.ac.cn/peal/home.htm |