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Method and device for detecting objects in video and computer storage medium

A technology in object detection and video, applied in computer parts, computing, instruments, etc., can solve problems such as reduced detection performance, complex problem modeling, and time-consuming, achieving high accuracy, good balance, and improved accuracy Effect

Active Publication Date: 2018-07-06
BEIJING SENSETIME TECH DEV CO LTD
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AI Technical Summary

Problems solved by technology

[0003] Object detection in video is based on image object detection, but due to the introduction of time information, the problem modeling is more complicated
The existing video object detection methods cannot meet the actual application requirements in terms of the trade-off between detection speed and accuracy. If an object detector is applied to each frame in the video, it will take a lot of time and the efficiency is relatively low. If If the detection is performed sparsely, the detection performance will be greatly reduced

Method used

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  • Method and device for detecting objects in video and computer storage medium
  • Method and device for detecting objects in video and computer storage medium
  • Method and device for detecting objects in video and computer storage medium

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Embodiment Construction

[0057] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0058] An embodiment of the present invention provides a method for object detection in a video, such as figure 1 As shown, the method mainly includes:

[0059] Step 101: Determine several key frames based on the target video, and perform object detection on each of the key frames to obtain detection results of each of the key frames.

[0060] Here, the target video may be a real-time video or a historical video.

[0061] Here, the target video is collected by an image collector such as a camera or a camera.

[0062] Wherein, the key frames determined for the target video include only initial key frames, or, the key frames determined for the target video include both initial key frames and secondary key frames.

[0063] As an optional implementation, the determination of several key frames based on the target vide...

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Abstract

The invention discloses a method and device for detecting objects in a video and a computer storage medium. The method includes: determining a plurality of key frames according to the target video, and performing object detection on each key frame to obtain the detection result of each key frame; determining the detection result of an in-between frame between every two adjacent key frames; correcting the detection result of each in-between frame to obtain the corrected detection result of each in-between frame; determining the detection result of the target video according to the detection result of each key frame and the corrected detection result of each in-between frame.

Description

technical field [0001] The invention relates to object detection technology in the technical field of computer vision, in particular to a method, device and computer storage medium for object detection in video. Background technique [0002] Object detection in video is an important problem in the field of computer vision and a fundamental technology for intelligent video analysis. Object detection in video can have important applications in many aspects, such as security monitoring, autonomous driving, and advanced video retrieval. [0003] Object detection in video is based on image object detection, but due to the introduction of time information, the problem modeling is more complicated. The existing video object detection methods cannot meet the actual application requirements in terms of the trade-off between detection speed and accuracy. If an object detector is applied to each frame in the video, it will take a lot of time and the efficiency is relatively low. If I...

Claims

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Application Information

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IPC IPC(8): G06K9/00
CPCG06V20/46
Inventor 陈恺汤晓鸥王佳琦杨硕张行程熊元骏吕健勤林达华
Owner BEIJING SENSETIME TECH DEV CO LTD
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