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    • 1. 发明授权
    • Motion detecting method and apparatus
    • 运动检测方法及装置
    • US07813530B2
    • 2010-10-12
    • US11726285
    • 2007-03-21
    • Seigo Watanabe
    • Seigo Watanabe
    • G06K9/00
    • G06T7/246
    • A motion detection apparatuses and method where a characteristic region is extracted from an image produced by an imaging device are described. A modified region is formed by modifying the characteristic region. Voting occurs so as to count up to increase a count value at a memory address corresponding to a location inside the modified region and to reset a count value at a memory address corresponding to a location outside the modified region. At least one of the moving direction and the moving speed of the modified region is calculated based on a difference among accumulated count values for adjacent locations. The position of the modified region can be calculated based on count values and locations in the modified region.
    • 描述从由成像装置产生的图像中提取特征区域的运动检测装置和方法。 通过改变特征区域形成改质区域。 进行投票,以计数增加与修改区域内的位置相对应的存储器地址处的计数值,并且在对应于修改区域外部的位置的存储器地址上复位计数值。 基于相邻位置的累积计数值之间的差计算修正区域的移动方向和移动速度中的至少一个。 可以基于修改区域中的计数值和位置来计算修改区域的位置。
    • 2. 发明申请
    • Motion detecting method and apparatus
    • 运动检测方法及装置
    • US20070230785A1
    • 2007-10-04
    • US11726285
    • 2007-03-21
    • Seigo Watanabe
    • Seigo Watanabe
    • G06T7/20
    • G06T7/246
    • A motion detection apparatus. A characteristic region is extracted from an image produced by an imaging device. A modified region is formed by modifying the characteristic region. Voting occurs so as to count up to increase a count value at a memory address corresponding to a location inside the modified region and to reset a count value at a memory address corresponding to a location outside the modified region. At least one of the moving direction and the moving speed of the modified region is calculated based on a difference among accumulated count values for adjacent locations. The position of the modified region can be calculated based on count values and locations in the modified region.
    • 运动检测装置。 从由成像装置产生的图像中提取特征区域。 通过改变特征区域形成改质区域。 进行投票,以计数增加与修改区域内的位置相对应的存储器地址处的计数值,并且在对应于修改区域外部的位置的存储器地址上复位计数值。 基于相邻位置的累积计数值之间的差计算修正区域的移动方向和移动速度中的至少一个。 可以基于修改区域中的计数值和位置来计算修改区域的位置。
    • 10. 发明申请
    • Collision time estimation apparatus for vehicles, collision time estimation method for vehicles, collision alarm apparatus for vehicles, and collision alarm method for vehicles
    • 车辆碰撞时间估计装置,车辆碰撞时间估计方法,车辆碰撞报警装置以及车辆碰撞报警方法
    • US20060062432A1
    • 2006-03-23
    • US11216168
    • 2005-09-01
    • Seigo WatanabeRumiko OshimaMasahiko Sakamoto
    • Seigo WatanabeRumiko OshimaMasahiko Sakamoto
    • G06K9/00
    • G08G1/163
    • Imaging means picks up an image of the area around a vehicle, edge extraction means extracts an edge image from the image picked up by the imaging means, edge width standardization means standardizes an edge width of the edge image extracted by the edge extraction means, counting means increments a count value corresponding to a position where the edge image standardized by the edge width standardization means is detected, and also initializes a count value corresponding to a position where the standardized edge image is not detected, moving speed detection means calculates a moving direction and moving speed of the edge image extracted by the edge extraction means based on the inclination of the count values, and collision time calculation means calculates the time of collision with an object by utilizing the position and the moving speed of the edge image calculated by the moving speed detection means.
    • 成像装置拾取车辆周围区域的图像,边缘提取装置从由成像装置拾取的图像中提取边缘图像,边缘宽度标准化装置标准化由边缘提取装置提取的边缘图像的边缘宽度,计数 意味着增加对应于检测到由边缘宽度标准化装置标准化的边缘图像的位置的计数值,并且还初始化与未检测到标准化边缘图像的位置相对应的计数值,移动速度检测装置计算移动方向 以及基于计数值的倾斜度由边缘提取装置提取的边缘图像的移动速度,并且,碰撞时间计算装置利用由所述边缘图像计算出的边缘图像的位置和移动速度来计算与对象的碰撞时间 移动速度检测装置。