Abnormal behavior detection device and method

The invention provides an abnormal behavior detection device and method. The abnormal behavior detection device comprises: a suspicious attitude detection module for detecting a suspicious attitude for a frame of image in a video, and determining a suspicious attitude detection frame according to the suspicious attitude; and the abnormal behavior detection module is used for intercepting an image in the suspicious posture detection frame of a continuous predetermined frame before and after a frame from the video, and judging whether an abnormal behavior exists or not according to the intercepted image of the predetermined frame. 本发明提供异常行为检测装置和方法。该异常行为检测装置，包括：可疑姿态检测模块，针对视频中的一帧的图像，检测可疑姿态，根据可疑姿态来确定可疑姿态检测框；以及异常行为检测模块，从视频中截取一帧前后的连续的预定帧的可疑姿态检测框内的图像，根据截取的预定帧的图像，判断是否为异常行为。