Human body fall detection method based on acceleration sensor
A technology of acceleration sensor and detection method, which is applied in the field of biomedical signal processing, can solve the problems of missed falls, insufficient, false positives, etc., and achieve the effect of improving accuracy, meeting high-precision requirements, and ensuring personal safety
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[0033] ADL: Actions of daily life;
[0034] SVM classifier: A discriminative classifier defined by a classification hyperplane, that is, given a set of labeled training samples, the algorithm will output an optimal hyperplane to classify new samples (test samples).
[0035] The specific embodiment of the present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
[0036] Such as Figure 1-Figure 3 As shown, a human body fall detection method based on an acceleration sensor, the method is based on a detection system, and the detection system includes an interconnected data acquisition module, a threshold value extraction module, a fall detection module, an alarm and a threshold value update module, an alarm and a threshold value update module and The fall detection modules are connected to form a loop, which specifically includes:
[0037] Step 1: Extract the threshold set; preprocess the pre-acquired ADL and fall acceler...
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