Method for embedding secret message into PNG image
    1.
    发明授权
    Method for embedding secret message into PNG image 有权
    将秘密消息嵌入PNG图像的方法

    公开(公告)号:US08949610B2

    公开(公告)日:2015-02-03

    申请号:US13033384

    申请日:2011-02-23

    摘要: A method for embedding a secret message into a PNG image comprises steps: converting a secret message into a plurality of secret codes; converting the secret codes into a plurality of secret shares; using a mapping process to modify values of the secret shares to approach a full-transparent value of an alpha channel of a PNG image, and sequentially embedding the mapped secret shares into the alpha channel. As the secret shares with high-transparent values, they leave the RGB channels untouched. Thus, embedding the secret shares into the PNG image does not make difference in the appearances between the secret-carrying image and the original PNG image. Therefore, the present invention can transmit secret message securely and realize covert communication.

    摘要翻译: 一种用于将秘密消息嵌入到PNG图像中的方法包括以下步骤:将秘密消息转换成多个密码; 将密码转换成多个秘密股; 使用映射过程来修改秘密份额的值以接近PNG图像的Alpha通道的全透明值,以及将映射的秘密份额顺序地嵌入到Alpha通道中。 由于秘密拥有高透明度的价值,所以他们离开了RGB通道。 因此,将秘密份额嵌入PNG图像中,秘密携带图像和原始PNG图像之间的出现并不会有差异。 因此,本发明可以安全地发送秘密消息,实现隐蔽通信。

    Control switch for a fire extinguisher
    2.
    发明授权
    Control switch for a fire extinguisher 失效
    灭火器控制开关

    公开(公告)号:US06378618B1

    公开(公告)日:2002-04-30

    申请号:US09954173

    申请日:2001-09-18

    IPC分类号: A62C3558

    CPC分类号: A62C13/76

    摘要: A control switch for a fire extinguisher in the present invention has a spring placed between a handle and an operating lever and pivoted by a pivot axle; a change-over switch pivoted within a through hole formed in the operating lever, by which the change-over switch can be changed over in an ON position and become vertical so that a press-in valve stem can be pressed by a bottom of the change-over switch to open a valve seat to inject a fire-extinguishing agent for extinguishing fire when the operating lever is pressed downward; the change-over switch can be changed over in an OFF position and become slanted so that the press-in valve stem can not be pressed and actuated by the bottom of the change-over switch even if the operating lever is pressed downward, thereby achieving an effect of safety control to the fire extinguisher and being convenient in operation.

    摘要翻译: 本发明的灭火器控制开关具有放置在把手和操作杆之间并由枢轴枢转的弹簧; 转换开关在形成在操作杆上的通孔内枢转,通过该转换开关,转换开关可以在ON位置转换并变为垂直,使得压入阀杆可以被压入 切换开关,当操作杆向下压时,打开阀座,注入灭火剂灭火; 切换开关可以在OFF位置切换并变成倾斜,使得即使操作杆被向下按压,压入阀杆也不能被转换开关的底部按压和致动,从而实现 对灭火器具有安全控制作用,操作方便。

    Method for protecting content of vector graphics formats
    3.
    发明申请
    Method for protecting content of vector graphics formats 有权
    保护矢量图形格式内容的方法

    公开(公告)号:US20070147655A1

    公开(公告)日:2007-06-28

    申请号:US11498078

    申请日:2006-08-03

    IPC分类号: G06K9/00

    摘要: A method for protecting content of vector graphics formats is provided. A first vector graphics is scrambled to generate a second vector graphics. Then a plurality of pixel samplings are performed by the first vector graphics which generating at least a recovery information object according to a predetermined graphics. The predetermined graphics is watermarked to generate a watermark object. And the recovery information object is encoded and embedded in the watermark object to generate a recovery information watermark. Finally, the second vector graphics, the recovery information watermark, and the recovery code are combined to generate a protected first vector graphics.

    摘要翻译: 提供了一种用于保护矢量图形格式的内容的方法。 第一矢量图形被加扰以产生第二矢量图形。 然后,通过根据预定图形生成至少恢复信息对象的第一向量图形执行多个像素采样。 将预定图形加水印以产生水印对象。 并且恢复信息对象被编码并嵌入在水印对象中以生成恢复信息水印。 最后,将第二矢量图形,恢复信息水印和恢复码组合起来产生受保护的第一矢量图形。

    Method for protecting content of vector graphics formats
    4.
    发明授权
    Method for protecting content of vector graphics formats 有权
    保护矢量图形格式内容的方法

    公开(公告)号:US07831060B2

    公开(公告)日:2010-11-09

    申请号:US11498078

    申请日:2006-08-03

    IPC分类号: G06K9/00 H04N7/167 H04L9/32

    摘要: A method for protecting content of vector graphics formats is provided. A first vector graphics is scrambled to generate a second vector graphics. Then a plurality of pixel samplings are performed by the first vector graphics which generating at least a recovery information object according to a predetermined graphics. The predetermined graphics is watermarked to generate a watermark object. And the recovery information object is encoded and embedded in the watermark object to generate a recovery information watermark. Finally, the second vector graphics, the recovery information watermark, and the recovery code are combined to generate a protected first vector graphics.

    摘要翻译: 提供了一种用于保护矢量图形格式的内容的方法。 第一矢量图形被加扰以产生第二矢量图形。 然后,通过根据预定图形生成至少恢复信息对象的第一向量图形执行多个像素采样。 将预定图形加水印以产生水印对象。 并且恢复信息对象被编码并嵌入在水印对象中以生成恢复信息水印。 最后,将第二矢量图形,恢复信息水印和恢复码组合起来产生受保护的第一矢量图形。

    Neural network for performing a relaxation process
    5.
    发明授权
    Neural network for performing a relaxation process 失效
    执行放松过程的神经网络

    公开(公告)号:US5274744A

    公开(公告)日:1993-12-28

    申请号:US823241

    申请日:1992-01-21

    IPC分类号: G06N3/04 G06F15/00

    CPC分类号: G06N3/0445

    摘要: In accordance with the present invention, a neural network comprising an array of neurons (i.e. processing nodes) interconnected by synapses (i.e. weighted transmission links) is utilized to carry out a probabilistic relaxation process. The inventive neural network is especially suited for carrying out a variety of image processing tasks such as thresholding.

    摘要翻译: 根据本发明,利用包括通过突触(即加权传输链路)互连的神经元阵列(即处理节点)的神经网络来执行概率松弛过程。 本发明的神经网络特别适用于执行各种图像处理任务,例如阈值化。

    Automatic ultrasonic and computer-vision navigation device and method using the same
    6.
    发明授权
    Automatic ultrasonic and computer-vision navigation device and method using the same 有权
    自动超声波和计算机视觉导航装置及其使用方法相同

    公开(公告)号:US08116928B2

    公开(公告)日:2012-02-14

    申请号:US12365190

    申请日:2009-02-04

    摘要: The present invention discloses an automatic ultrasonic and computer-vision navigation device and a method using the same. In the method of the present invention, the user guides an automatic navigation device to learn and plan a navigation path; next, the automatic navigation device navigates independently and uses ultrasonic signals and computer vision to detect the environment; then, the automatic navigation device compares the detected environment data with the navigation path to amend the physical movement track. The present invention enables ordinary persons to interact with the automatic navigation device without operating the computer. As the present invention adopts computer vision and ultrasonic signals to realize the functions thereof, the manufacturers can save the hardware cost.

    摘要翻译: 本发明公开了一种自动超声波和计算机视觉导航装置及其使用方法。 在本发明的方法中,用户引导自动导航装置学习和规划导航路径; 接下来,自动导航装置独立导航,使用超声信号和计算机视觉来检测环境; 然后,自动导航装置将检测到的环境数据与导航路径进行比较,以修改物理运动轨迹。 本发明使得普通人能够在不操作计算机的情况下与自动导航装置交互。 由于本发明采用计算机视觉和超声信号来实现其功能,所以制造商可以节省硬件成本。