Abstract
Background subtraction is one of the key pre-processing steps necessary for obtaining relevant information from a video sequence. The selection of a background subtraction algorithm and its parameters is also important for achieving optimal detection performance, especially in night environments. The research contribution presented in this paper is the identification of the optimal background subtractor algorithm in indoor night-time environments, with a focus on the detection of human falls. 30 background subtraction algorithms are analyzed to determine which has the best performance in indoor night-time environments. Genetic algorithms have been applied to identify the best background subtraction algorithm, to optimize the background subtractor parameters and to calculate the optimal number of pre- and post-processing operations. The results show that the best algorithm for fall-detection in indoor, night-time environments is the LBAdaptativeSOM, optimal parameters and processing operations for this algorithm are reported.
Highlights
The risk of falling is one of the most prevalent problems faced by elderly individuals
A study published by the World Health Organization [1] estimates that between 28% and 35% of people over the age of 65 suffer at least one fall each year, and this figure increases to 42% for people over 70
Each algorithm has different parameters and to test all combinations can be a time-consuming task. To simplify this task we have developed a genetic algorithm to select the best combination of parameters for each algorithm and to compare the performance of the different algorithms for night conditions in home environments
Summary
The risk of falling is one of the most prevalent problems faced by elderly individuals. A study published by the World Health Organization [1] estimates that between 28% and 35% of people over the age of 65 suffer at least one fall each year, and this figure increases to 42% for people over 70. According to the World Health Organization, falls represent greater than 50% of elderly hospitalizations and approximately 40% of nonnatural mortalities for this segment of the population. Falls are a significant source of mortality for elderly individuals in developed countries. Onethird of the elderly (those over the age of 65) in Europe live alone [2], and the elderly population is expected to increase significantly over the twenty years.
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
