Psychological problems in college students like depression, pessimism, eccentricity, anxiety etc. are caused principally due to the neglect of continuous monitoring of students’ psychological well-being. Identification of depression at college level is desirable so that it can be controlled by giving better counseling at the starting stage itself. If a counselor identifies depression in a student in the initial stages itself, he can effectively help that student to overcome depression. But among large number of students, it becomes a difficult task for the counselor to keep track of the significant changes that occur in students as a result of depression. But advances in the Image-Processing field have led to the development of effective systems, which prove capable of detecting emotions from facial images, in a much simpler way. Thus, we need an automated system that captures facial images of students and analyze them, for effective detection of depression. In the proposed system, an attempt is being made to make use of the Image processing techniques, to study the frontal face features of college students and predict depression. This system will be trained with facial features of positive and negative facial emotions. To predict depression, a video of the student is captured, from which the face of the student is extracted. Then using Gabor filters, the facial features are extracted. Classification of these facial features is done using SVM classifier. The level of depression is identified by calculating the amount of negative emotions present in the entire video. Based on the level of depression, notification is send to the class advisor, department counselor or university counselor, indicating the student’s disturbed mental state. The present system works with an accuracy of 64.38%. The paper concludes with the description of an extended architecture using other inputs like academic scores, social content, peer opinions and hostel activities to build a hybrid system for depression detection as future work. © 2019 Institute of Advanced Engineering and Science. All rights reserved.
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N. S. Parameswaran and Venkataraman, D., “A computer vision based image processing system for depression detection among students for counseling”, Indonesian Journal of Electrical Engineering and Computer Science, vol. 14, pp. 503-512, 2019.