Emotion Recognition Using Finger Tip Temperature: FirstStep towards an Automatic System

Abstract

Abstract-clinically, finger tip temperature (FTT) has been used as a sensitive index to monitor if a person is relaxed or not. When a person is relaxed, his/her vessels will be dilated and finger tip will be warmer. If one is anxious or tense, the vessels will be constricted and finger tip will be cool. FTT is a method of bio-feedback to tell the patient if he/she is in a relaxed condition. The subjects experiencing emotion in a higher magnitude differ from those who can regulate the emotions and such a factor is termed as emotional intelligence. In this paper, the subject whose FTT is to be measured is shown a video clipping or photographs or recorded audio signals are played. The subject, upon the influence of these, will respond and emotions are evoked. The change in FTT due to this evoked emotion is recorded for a finite interval of time and then analyzed. In this work, a total of 75 subjects are chosen. During selection of subjects, enough care is taken to include persons from different age groups, gender and social background. The data corresponding to FTT is acquired and processed using National Instrument's LabVIEW software and hardware tools. The results obtained are encouraging with high level of accuracy and repeatability. Since, the subjects also give feedback about the emotion experienced, the obtained results are validated.

Does the Audience Hear My Heart? - Comparing the Physiological Responses of Listeners with Those of the Composer

“…We have provided an example of a typical signal trace in Figure 1. FTT has been used to monitor if a person is relaxed or not (Shivakumar, 2012). For our experiments, we used an original device which includes a thermocouple and original circuitry to measure FTT.…”

Investigating electrophysiology for measuring emotions triggered by audio stimuli

“…In detail, the video stimuli presented a thriller scene and the temperature decreased during this stimuli. The same principle has been recently adopted with fingertip temperature to implement first steps toward an automatic recognition system [22].…”

Classification of college students' behavior state based on human physiological information

“…Although the research on physiological information abroad originated in the last century, it is very rare to study physiological information and motion recognition at the same time. In addition, in the last century, foreign scholars have found that the reduction of HRV can cause some mental diseases [5] , Skin temperature can be used to identify whether a person is relaxed or not [6] , and the change of pupil diameter can be used as a sensitive and useful indicator of mental state [7][8] . However, although the research on physiological information abroad originated from the last century, it is very rare to study physiological information and motion recognition at the same time.…”