WO2016008180A1 - 一种跟踪区域切换控制方法及系统 - Google Patents

一种跟踪区域切换控制方法及系统 Download PDF

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Publication number
WO2016008180A1
WO2016008180A1 PCT/CN2014/083666 CN2014083666W WO2016008180A1 WO 2016008180 A1 WO2016008180 A1 WO 2016008180A1 CN 2014083666 W CN2014083666 W CN 2014083666W WO 2016008180 A1 WO2016008180 A1 WO 2016008180A1
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Prior art keywords
area
moving object
tracking control
tracking
adjacent
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PCT/CN2014/083666
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English (en)
French (fr)
Inventor
沈玉将
董晓宏
孙雷
张�雄
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苏州阔地网络科技有限公司
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Publication of WO2016008180A1 publication Critical patent/WO2016008180A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/695Control of camera direction for changing a field of view, e.g. pan, tilt or based on tracking of objects
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/18Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Definitions

  • the invention belongs to the field of tracking control, and in particular relates to a tracking area switching control method and system.
  • the patent name is the patent for the real-time tracking of the movement target of the teacher's lecture.
  • the signal processor processes the target detection and tracking algorithm, and can be applied to the teacher's teaching process, real-time tracking of the lectures, and the external video tracking device capable of externally recording the teacher's teaching process by the video server.
  • the device is divided into the following parts from the functional point of view: the image data acquisition module DSP data processing and storage module, the address latch decoding module, the pan/tilt control module, and the image data output module.
  • the present invention provides a tracking area switching control method and system to solve the above problems.
  • the invention provides a tracking area switching control method.
  • the above method comprises the following steps: dividing the classroom into N regions in advance, where N > 2 and N is a positive integer;
  • the moving object When the moving object is displaced from the current area to the adjacent area, the moving object is tracked according to a preset strategy.
  • the invention also provides a tracking area switching control system, comprising: a configuration module, a policy control module, and a tracking control module; the configuration module is connected to the tracking control module through the policy control module;
  • a configuration module configured to divide the classroom into N areas in advance and notify the policy control module of the result of the area division, where N > 2 and N is a positive integer;
  • a policy control module configured to store a regional division result of the configuration module to the classroom;
  • the tracking control module is controlled to track and control the moving object according to a preset strategy;
  • the tracking control module is configured to perform tracking control on the moving object according to the tracking control instruction issued by the policy control module.
  • the classroom is divided into N areas in advance, and when the moving object is displaced from the current area to the adjacent area, the moving object is tracked according to a preset strategy.
  • Control on the one hand, allows students to see every movement of the teacher, improve the quality and feeling of the students; on the other hand, improve the tracking efficiency, will not be tracked casually because of the teacher's small swing, to maximize the protection of students' vision; In addition, smooth and smooth tracking results are achieved.
  • FIG. 1 is a flowchart of a tracking area switching control method according to Embodiment 1 of the present invention.
  • FIG. 2 is a schematic diagram showing a classroom area division according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic view showing a moving object moving between regions in accordance with Embodiment 3 of the present invention
  • FIG. 4 is a structural diagram showing a tracking area switching control system according to Embodiment 4 of the present invention.
  • the invention provides a tracking area switching control method, which comprises the following steps:
  • the classroom is divided into N areas in advance, where N > 2 and N is a positive integer;
  • the moving object When the moving object is displaced from the current area to the adjacent area, the moving object is tracked according to a preset strategy.
  • the moving object when the moving object is displaced from the current region to the adjacent region, the moving object is according to a preset strategy
  • the process of tracking control is:
  • the tracking control device When the moving object crosses the boundary line between the current area and the adjacent area, the tracking control device is triggered to perform tracking control on the moving object.
  • the tracking control of the moving object according to the preset strategy is:
  • the moving object crosses the boundary line between the current area and the adjacent area. After entering the adjacent area, when the ratio of the area of the adjacent area to the area of the current area is greater than the first preset value, the tracking control device is triggered. The moving object performs tracking control.
  • the process of tracking and controlling the moving object according to the preset strategy is:
  • the moving object crosses the boundary line between the current area and the adjacent area, and after entering the adjacent area, when the time of staying in the adjacent area is greater than the second preset value, the tracking control device is triggered to perform the tracking control on the moving object.
  • the process of tracking and controlling the moving object according to the preset strategy is:
  • the moving object crosses the boundary line between the current area and the adjacent area. After entering the adjacent area, the ratio of the area of the adjacent area to the area of the current area is greater than the first preset value and stays in the adjacent area. When the value is greater than the second preset value, the tracking control device is triggered to perform tracking control on the moving object.
  • the invention also provides a tracking area switching control system, comprising: a configuration module, a policy control module, and a tracking control module; the configuration module is connected to the tracking control module through the policy control module;
  • a configuration module configured to divide the classroom into two areas in advance and notify the policy control module of the result of the area division, where ⁇ > 2 and ⁇ is a positive integer;
  • the policy control module is configured to store the regional division result of the configuration module to the classroom; and is further configured to control the tracking control module to track and control the moving object according to a preset policy when the motion object is displaced from the current region to the adjacent region;
  • the tracking control module is configured to perform tracking control on the moving object according to the tracking control instruction issued by the policy control module.
  • the policy control module is further configured to: when the moving object crosses from the current area and the adjacent area When the boundary line is between, the tracking control command is issued to the tracking control module.
  • the policy control module is further configured to: when the moving object crosses the boundary line between the current area and the adjacent area, enters the adjacent area, and the ratio of the area of the adjacent area to the area of the current area When the value is greater than the first preset value, the tracking control command is sent to the tracking control module.
  • the policy control module is further configured to: when the moving object crosses the boundary line between the current area and the adjacent area, enters the adjacent area, and when the time stayed in the adjacent area is greater than the second preset value, The tracking control module issues a tracking control instruction.
  • the policy control module is further configured to: when the moving object crosses the boundary line between the current area and the adjacent area, and enters the adjacent area, the ratio of the area of the adjacent area to the area of the current area is greater than When a preset value and the time of staying in the adjacent area is greater than the second preset value, the tracking control instruction is sent to the tracking control module.
  • FIG. 1 is a flowchart of a tracking area switching control method according to Embodiment 1 of the present invention, which includes the following steps:
  • Step 101 The classroom is divided into N areas in advance, where N > 2 and N is a positive integer; as shown in FIG. 2, the entire classroom is divided into three areas, A area, B area, and C area.
  • Step 102 When the moving object is displaced from the current area to the adjacent area, the moving object is tracked and controlled according to a preset strategy.
  • the process of tracking and controlling the moving object according to the preset strategy is:
  • the tracking control device When the moving object crosses the boundary line between the current area and the adjacent area, the tracking control device is triggered to perform tracking control on the moving object.
  • the tracking control of the moving object according to the preset strategy is:
  • the moving object crosses the boundary line between the current area and the adjacent area. After entering the adjacent area, when the ratio of the area of the adjacent area to the area of the current area is greater than the first preset value, the tracking control device is triggered. The moving object performs tracking control. As shown in FIG. 3, after the teacher crosses the boundary line 1 between the current A area and the adjacent B area into the adjacent ⁇ area, the area entering the adjacent ⁇ area (ie, the area of the B 1 area) and the current ⁇ area When the ratio of the area is greater than the first preset value (for example: 60%), the tracking control camera is triggered to perform tracking shooting on the moving object.
  • the first preset value for example: 60%
  • the tracking control of the moving object according to the preset strategy is:
  • the moving object crosses the boundary line between the current area and the adjacent area. After entering the adjacent area, when the time of staying in the adjacent area is greater than the second preset value, the tracking control device is triggered to perform tracking control on the moving object.
  • the tracking control camera is triggered to track the photographer.
  • the process of tracking and controlling the moving object according to the preset strategy is:
  • the moving object crosses the boundary line between the current area and the adjacent area. After entering the adjacent area, the ratio of the area of the adjacent area to the area of the current area is greater than the first preset value and stays in the adjacent area. When the value is greater than the second preset value, the tracking control device is triggered to perform tracking control on the moving object.
  • the tracking control camera is triggered to track the teacher. Shooting.
  • FIG. 4 is a structural diagram of a tracking area switching control system according to Embodiment 4 of the present invention, including: a configuration module, a policy control module, and a tracking control module; the configuration module is connected to the tracking control module through a policy control module;
  • the configuration module is configured to divide the classroom into N areas in advance (N > 2 and N is a positive integer), and notify the policy control module of the result of the area division;
  • the policy control module is configured to store the regional division result of the configuration module to the classroom; and is also used to control the tracking control module to the moving object according to a preset policy when the moving object is displaced from the current region to the adjacent region Perform tracking control;
  • the tracking control module is configured to perform tracking control on the moving object according to the tracking control instruction issued by the policy control module.
  • the policy control module is further configured to send a tracking control instruction to the tracking control module when the moving object crosses the boundary line between the current area and the adjacent area.
  • the policy control module is further configured to: when the moving object crosses the boundary line between the adjacent area and the adjacent area, enters the adjacent area, and the ratio of the area of the adjacent area to the area of the current area is greater than When a preset value is reached, a tracking control command is issued to the tracking control module.
  • the policy control module is further configured to: when the moving object crosses the boundary line between the current area and the adjacent area, and enters the adjacent area, and the time of staying in the adjacent area is greater than the second preset value, the tracking control is performed.
  • the module issues a tracking control command.
  • the policy control module is further configured to: when the moving object crosses the boundary line between the current area and the adjacent area, after entering the adjacent area, the ratio of the area entering the phase area to the area of the current area is greater than the first pre-predetermined When the value is set and the time in the adjacent area is greater than the second preset value, the tracking control instruction is sent to the tracking control module.
  • any two modules or three modules in the configuration module, the policy control module, and the tracking control module may all be integrated into one hardware device.
  • the classroom is divided into N areas in advance, and when the moving object is displaced from the current area to the adjacent area, the moving object is tracked and controlled according to a preset strategy.
  • students can see every movement of the teacher and improve the quality and feelings of the students; on the other hand, the tracking efficiency is improved, and the teacher's small swing is not randomly tracked to maximize the protection of the students' vision; , to achieve smooth and smooth tracking effect

Abstract

本发明提供一种跟踪区域切换控制方法及系统。包括以下步骤:预先将教室划分为N个区域,其中,N≥2且N为正整数;运动对象从当前区域位移至相邻区域时,按照预设策略对运动对象进行跟踪控制。本发明一方面能让学生看清楚教师的每一个动作,提高学生上课的质量和感受;另一方面提高了跟踪效率,不会因为教师的小幅摆动而随意跟踪,最大程度上保护学生的视力;另外,实现了跟踪效果的平滑与流畅。

Description

本发明属于跟踪控制领域, 尤其涉及一种跟踪区域切换控制方法及系统。
经过检索可知, 申请人天津师范大学于 201 0年 04月 1 3 曰申请了一篇: 申 请号码 201 01 0144826. 7, 专利名称为教师讲课的运动目标实时跟踪录课装置的 专利, 釆用数字信号处理器对目标检测跟踪算法进行处理, 可以应用于教师教 学过.程中, 实时跟踪其讲课, 而且能够外接视频服务器对教师的教学过程进行 现场录制的教师讲课的运动目标实时跟踪录课装置, 装置在硬件结构上, 从功 能的角度可划分为以下几个部分:图像数据采集模块 DSP数据处理与存储模块、 地址锁存译码模块、 云台控制模块以及图像.数据输出模块。
上述方案存在的问题为, 摄像头随着老师的运动而运动, 将会导致画面移动 太过频繁而产生抖动, 严重影响学生的视力及教学质量。
本发明提供一种跟踪区域切换控制方法及系统, 以解决上述问题。
本发明提供一种跟踪区域切换控制方法。 上述方法包括以下步骤: 预先将教室划分为 N个区域, 其中, N > 2且 N为正整数;
运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象进行跟 踪控制。
本发明还提供一种跟踪区域切换控制系统, 包括: 配置模块、 策略控制模 块、 跟踪控制模块; 配置模块通过策略控制模块与跟踪控制模块相连;
配置模块, 用于预先将教室划分为 N个区域并将区域划分结果通知策略控 制模块, 其中, N > 2且 N为正整数;
策略控制模块, 用于存储配置模块对教室的区域划分结果; 还用于运动对 象从当前区域位移至相邻区域时, 按照预设策略控制跟踪控制模块对运动对象 进行跟踪控制;
跟踪控制模块, 用于按照策略控制模块下发的跟踪控制指令, 对运动对象 进行跟踪控制。
相较于先前技术, 根据本发明提供的跟踪区域切换控制方法及系统, 预先 将教室划分为 N个区域, 运动对象从当前区域位移至相邻区域时, 按照预设策 略对运动对象进行踉踪控制, 一方面能让学生看清楚教师的每一个动作, 提高 学生上课的质量和感受; 另一方面提高了跟踪效率, 不会因为教师的小幅摆动 而隨意跟踪, 最大程度上保护学生的视力; 另外, 实现了跟踪效果的平滑与流 畅„ 酎鬮说明
此处所说明的酎图用来提供对本发明的进一步理解, 构成本申请的一部分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的不当限 定。 在附图中:
图 1所示为本发明实施例 1的跟踪区域切换控制方法流程图;
图 2所示为本发明实施例 1的教室区域分割示意图;
图 3所示为本发明实施例 3的运动对象在区域之间移动时的示意图; 图 4所示为本发明实施例 4的跟踪区域切换控制系统结构图。
下文中将参考酎图并结合实施例来详细说明本发明。 需要说明的是, 在不 冲突的情况下, 本申请中的实施例及实施例中的特征可以相互组合。
本发明提供一种跟踪区域切换控制方法, 包括以下步骤:
预先将教室划分为 N个区域, 其中, N > 2且 N为正整数;
运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象进行跟 踪控制。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线时, 触发跟踪控制设备 对运动对象进行跟踪控制。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过.程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 当 进入相邻区域的面积与当前区域的面积的比值大于第一预设值时, 则触发跟踪 控制设备对运动对象进行跟踪控制。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 在 相邻区域停留的时间大于第二预设值时, 则触发跟踪控制设备对运动对象进行 ί艮踪控制。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 当 进入相邻区域的面积与当前区域的面积的比值大于第一预设值且在相邻区域停 留的时间大于第二预设值时, 则触发跟踪控制设备对运动对象进行跟踪控制。
本发明还提供一种跟踪区域切换控制系统, 包括: 配置模块, 策略控制模 块、 跟踪控制模块; 配置模块通过策略控制模块与跟踪控制模块相连;
配置模块, 用于预先将教室划分为 Ν个区域并将区域划分结果通知策略控 制模块, 其中, Ν > 2且 Ν为正整数;
策略控制模块, 用于存储配置模块对教室的区域划分结果; 还用于运动对 象从当前区域位移至相邻区域时, 按照预设策略控制跟踪控制模块对运动对象 进行跟踪控制;
跟踪控制模块, 用于按照策略控制模块下发的跟踪控制指令, 对运动对象 进行跟踪控制。
其中, 所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域 之间的边界线时, 向跟踪控制模块下发跟踪控制指令。
其中, 所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域 之间的边界线, 进.入相邻区域后, 当进入相邻区域的面积与当前区域的面积的 比值大于第一预设值时, 向跟踪控制模块下发跟踪控制指令。
其中, 所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域 之间的边界线, 进入相邻区域后, 在相邻区域停留的时间大于第二预设值时, 向跟踪控制模块下发跟踪控制指令。
其中, 所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域 之间的边界线, 进入相邻区域后, 当进入相邻区域的面积与当前区域的面积的 比值大于第一预设值且在相邻区域停留的时间大于第二预设值时, 向跟踪控制 模块下发跟踪控制指令。
图 1所示为本发明实施例 1的跟踪区域切换控制方法流程图, 包括以下步 骤:
步骤 101 : 预先将教室划分为 N个区域, 其中, N > 2且 N为正整数; 如图 2 所示, 预先将整个教室划分为 3个区域, A区域、 B区域、 C区域。
步骤 102 : 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对 象进行跟踪控制。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线时, 触发跟踪控制设备 对运动对象进行跟踪控制。
如图 3所示, 教师从当前 A区域跨 ^%与相邻 B区域之间的边界线 1时, 触 发跟踪控制摄像机对教师进行跟踪拍摄。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过.程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 当 进入相邻区域的面积与当前区域的面积的比值大于第一预设值时, 则触发跟踪 控制设备对运动对象进行跟踪控制。 如图 3所示,教师从当前 A区域跨越与相邻 B区域之间边界线 1进入相邻 Β 区域后, 当进入相邻 Β区域的面积(即 B 1区域的面积 )与当前 Α区域的面积的 比值大于第一预设值(例如: 60% ) 时, 则触发跟踪控制摄像机对运动对象进行 跟踪拍摄。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过.程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 在 相邻区域停留的时间大于第二预设值时, 则触发跟踪控制设备对运动对象进行 跟踪控制。
如图 3所示,教师从当前 A区域跨越与相邻 B区域之间边界线 1进入相邻 B 区域后, 在相邻 B区域停留的时间 T大于第二预设值(例如: 0. 3秒)时, 则触 发跟踪控制摄像机对教师进行跟踪拍摄。
其中, 运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象 进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 当 进入相邻区域的面积与当前区域的面积的比值大于第一预设值且在相邻区域停 留的时间大于第二预设值时, 则触发跟踪控制设备对运动对象进行跟踪控制。
如图 3所示,教师从当前 A区域跨越与相邻 B区域之间边界线 1进入相邻 B 区域后, 当进入相邻 B区域的面积(即 B1区域的面积:)与当前 A区域的面积的 比值大于第一预设值(例如: 60% )且在相邻 B区域停留的时间 T大于第二预设. 值(例如: CL 3秒) 时, 则触发跟踪控制摄像机对教师进行跟踪拍摄。
图 4所示为本发明实施例 4的踉踪区域切换控制系统结构图, 包括: 配置 模块、 策略控制模块、 跟踪控制模块; 配置模块通过策略控制模块与跟踪控制 模块相连;
其中, 配置模块, 用于预先将教室划分为 N个区域( N > 2且 N为正整数) 并将区域划分结果通知策略控制模块;
策略控制模块, 用于存储配置模块对教室的区域划分结果; 还用于运动对 象从当前区域位移至相邻区域时, 按照预设策略控制跟踪控制模块对运动对象 进行跟踪控制;
跟踪控制模块, 用于按照策略控制模块下发的跟踪控制指令, 对运动对象 进行跟踪控制。
其中, 策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间 的边界线时, 向跟踪控制模块下发跟踪控制指令。
其中, 策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间 的边界线, 进入相邻区域后, 当进.入相邻区域的面积与当前区域的面积的比值 大于第一预设值时, 向跟踪控制模块下发跟踪控制指令。
其中, 策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间 的边界线, 进入相邻区域后, 在相邻区域停留的时间大于第二预设值时, 向跟 踪控制模块下发跟踪控制指令。
其中, 策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间 的边界线, 进入相邻区域后, 当进入相部区域的面积与当前区域的面积的比值 大于第一预设值且在相邻区域停留的时间大于第二预设值时, 向跟踪控制模块 下发跟踪控制指令。
另外, 在本实施例具体实现的方案中, 配置模块、 策略控制模块、 跟踪控 制模块中的任意两种模块或者三种模块可以全部集成到一个硬件设备中。
相较于先前技术, 根据本发明提供的跟踪区域切换控制方法及系统, 预先 将教室划分为 N个区域, 运动对象从当前区域位移至相邻区域时, 按照预设策 略对运动对象进行跟踪控制, 一方面能让学生看清楚教师的每一个动作, 提高 学生上课的质量和感受; 另一方面提高了跟踪效率, 不会因为教师的小幅摆动 而随意跟踪, 最大程度上保护学生的视力; 另外, 实现了踉踪效果的平滑与流 畅„
以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对'于本领 域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的精神和原则 之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护范围之 内。

Claims

权 利 要 求 书
1、 一种跟踪区域切换控制方法, 其特征在于, 包括以下步骤:
预先将教室划分为 N个区域, 其中, N > 2且 N为正整数;
运动对象从当前区域位移至相邻区域时, 按照预设策略对运动对象进行跟 踪控制。
2、 根据权利要求 1所述的方法, 其特征在于: 运动对象从当前区域位移至 相邻区域时, 按照预设策略对运动对象进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线时, 触发跟踪控制设备 对运动对象进行跟踪控制。
3、 根据权利要求 1所述的方法, 其特征在于: 运动对象从当前区域位移至 相邻区域时, 按照预设策略对运动对象进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 当 进入相邻区域的面积与当前区域的面积的比值大于第一预设值时, 则触发踉踪 控制设备对运动对象进行跟踪控制„
4、 根据权利要求 1所述的方法, 其特征在于: 运动对象从当前区域位移至 相邻区域时, 按照预设策略对运动对象进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 在 相邻区域停留的时间大于第二预设值时, 则触发跟踪控制设备对运动对象进行 ί艮踪控制。
5、 根据权利要求 1所述的方法, 其特征在于: 运动对象从当前区域位移至 相邻区域时, 按照预设策略对运动对象进行跟踪控制的过程为:
运动对象从当前区域跨越与相邻区域之间的边界线, 进入相邻区域后, 当 进入相邻区域的面积与当前区域的面积的比值大于第一预设值且在相邻区域停 留的时间大于第二预设值时, 则触发跟踪控制设备对运动对象进行跟踪控制。
6、 一种跟踪区域切换控制系统, 其特征在于, 包括: 配置模块、 策略控制 模块、 跟踪控制模块; 配置模块通过策略控制模块与跟踪控制模块相连;
配置模块, 用于预先将教室划分为 Ν个区域并将区域划分结果通知策略控 制模块, 其中, Ν > 2且 Ν为正整数;
策略控制模块, 用于存储配置模块对教室的区域划分结果; 还用于运动对 象从当前区域位移至相邻区域时, 按照预设策略控制跟踪控制模块对运动对象 进行跟踪控制;
跟踪控制模块, 用于按照策略控制模块下发的跟踪控制指令, 对运动对象 进行跟踪控制。
7、 根据权利要求 6所述的系统, 其特征在于,
所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间的 边界线时, 向跟踪控制模块下发跟踪控制指令。
8、 根据权利要求 6所述的系统, 其特征在于:
所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间的 边界线, 进入相邻区域后, 当进入相邻区域的面积与当前区域的面积的比值大 于第一预设值时, 向跟踪控制模块下发跟踪控制指令。
9、 根据权利要求 6所述的系统, 其特征在于:
所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间的 边界线, 进入相邻区域后, 在相邻区域停留的时间大于第二预设值时, 向跟踪 控制模块下发跟踪控制指令。
10 ¾ 根据权利要求 6所述的系统, 其特征在于:
所述策略控制模块, 还用于当运动对象从当前区域跨越与相邻区域之间的 边界线, 进入相邻区域后, 当进入相邻区域的面积与当前区域的面积的比值大 于第一预设值且在相部区域停留的时间大于第二预设值时, 向跟踪控制模块下 发跟踪控制指令。
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