FaceReader 4 - Automatic facial expression analysis and emotion detection
FaceReader™ 4 is the most robust software tool for analysis of the 6 basic facial expressions: happy, sad, scared, disgusted, suprised, and angry. In addition, the software tracks the head orientation, enabling tracking of 3D orientation of the head, classifies mouth open-closed, eyes open-shut, and eyebrows raised-neutral-lowered. Working with FaceReader allows you to analyze facial expressions accurately and automatically.
What is new in Facereader 4?
- Increased accuracy using the new 3D modeling algorithms.
- An interface (API) between programs allows other programs to react instantly to emotions.
- Quick analysis even with multiple videos.
- And much more...
FaceReader 4 is the most advanced software for automatic analysis of facial expressions available today! Automatic emotion recognition is even more accurate and reliable with this latest release.

How does it work? Revolutionary 3D modeling
FaceReader works in three steps: face finding, face modeling & face classification. Step 2 has been significantly improved by introducing 3D modeling of the face. FaceReader now analyzes 491 keypoints in the face instead of 55 key points! As a result, FaceReader 4 can accurately analyze facial expressions even if the test participant is not looking directly into the camera.
How does it work? Interface between programs
Exclusively for FaceReader 4, an Application Programming Interface (API) has
been developed. It serves as an interface b
etween different software programs and facilitates their interaction, even if the program runs on another computer in the network. The API allows other software programs to respond instantly to the emotional state of a participant. Configure an experiment any way you want. For example, in gaming research - when a test participant shows severe anger, a cooling down session in a game level starts automatically. Or, in market research, is your test participant smiling? By using the API, a questionnaire will be activated automatically. Then show the entire range of advertisements and keep measuring emotions.
How fast is it? Quick analysis
If you plan on analyzing multiple videos, FaceReader 4 allows you to analyze them in one group. You can easily select the videos you want to analyze and create a list for FaceReader. With this new feature in place, you don’t have to select them one by one, which saves you a lot of time. The software does the work for you!
What else makes this software the most robust
software for automatic facial expression analysis?
- Easy integration with The Observer XT 10.5.
- Save & clear logs by the click of a button. This enables you to start up a new live analysis quickly, as the previous test has been saved and the log has been cleared.
- The model shown in the analysis visualizat ion is now shown in full color.
- Quick selection of recent video files by going to the file menu where you can directly select one of the most recent video files.

- In the expression graphs, valence graph, and head-orientation graph, block selection is displayed in blue to clearly visualize your selection.
- FaceReader 4 also runs on a Windows 7 64-bit operating system.
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