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    • 31. 发明申请
    • MULTI-CAMERA INSPECTION OF UNDERWATER STRUCTURES
    • 水下结构的多摄像机检测
    • WO2005033629A3
    • 2006-04-27
    • PCT/US2004030162
    • 2004-09-15
    • UNIV MIAMI
    • SHAHRIAR NEGAHDARIPOURPEZHMAN FIROOZFAM
    • G06K9/00G01C20060101G01S15/00H04N7/18
    • G06K9/0063G06K9/209G06K2009/2045G06T7/593G06T7/74
    • A method, system and apparatus for viewing and imaging an underwater structure from a submersible platform, navigating along the structure and constructing a map of the structure in the forms of a photo­mosaic and a 3-D structural map. The system can include a submersible platform, at least two cameras coupled to the submersible platform, and stereovision matching logic programmed to simulate a frontal view of a target underwater structure from a fixed distance based upon an oblique view of the target underwater structure obtained by the cameras from a variable distance. The cameras can be forward or side mounted to the submersible platform and can include optical cameras, acoustical cameras or both. Preferably, the submersible platform can be a remotely operated vehicle (ROV), or an autonomous underwater vehicle (AUV). Finally, the system further can include absolute positioning sensors.
    • 一种用于从潜水平台观察和成像水下结构的方法,系统和装置,沿着结构进行导航并且以光马赛克和3-D结构图的形式构造该结构的地图。 该系统可以包括潜水平台,耦合到潜水平台的至少两个摄像机以及被编程为基于由目标水下结构获得的目标水下结构的斜视图从固定距离模拟目标水下结构的正视图的立体视觉匹配逻辑 摄像机从可变距离。 相机可以向前或侧面安装到潜水平台,并且可以包括光学相机,声学相机或两者。 优选地,潜水平台可以是遥控车辆(ROV)或自主水下航行器(AUV)。 最后,系统还可以包括绝对定位传感器。
    • 33. 发明申请
    • AUXILIARY CHANNEL MASKING IN AN AUDIO SIGNAL
    • AUXILIARY CHANNEL MASKING IN AUDIO SIGNAL
    • WO0229808A3
    • 2002-09-06
    • PCT/US0131214
    • 2001-10-05
    • UNIV MIAMI
    • ILIEV ALEXANDER ISCORDILIS MICHAEL S
    • G10L11/00C02F1/28C02F1/42C02F1/463C02F1/48C02F1/66G10L19/00G11B20/00H04H20/31H04H1/00
    • H04H20/31C02F1/283C02F1/42C02F1/463C02F1/48C02F1/66C02F2101/20C02F2103/10G10L19/018G11B20/00086G11B20/00891
    • A method is provided for embedding data into an audio signal and determing data embedded into an audio signal. In the method for embedding data into an audio signal, the audio signal is based on a first set of data and includes a phase component. The method modifies at least a portion of the phase component of the audio signal to embed a second set of data into the audio signal. The modified audio signal can be made to differ with respect to the audio signal in a manner at least one of (i) substantially imperceptible and (ii) imperceptible to a listener of the first set of data depending on the extent that the phase component of the audio signal is modified. In the method for determining data embedded into an audio signal, the audio signal is based on a first set of data of an original audio signal and includes a phase component. The method determines a second set of data embedded into the audio signal based on the phase component of the audio signal. The audio signal differs with respect to the original audio signal in a manner that is at least one of (i) substantially imperceptible and (ii) imperceptible to a listener of the first set of data.
    • 提供了一种用于将数据嵌入音频信号并确定嵌入到音频信号中的数据的方法。 在将数据嵌入音频信号的方法中,音频信号基于第一组数据并且包括相位分量。 该方法修改音频信号的相位分量的至少一部分以将第二组数据嵌入到音频信号中。 修改后的音频信号可以以下述至少一种方式相对于音频信号而不同:(i)基本上不可察觉的和(ii)第一组数据的收听者不可察觉的取决于第一组数据的收听者的程度, 音频信号被修改。 在用于确定嵌入到音频信号中的数据的方法中,音频信号基于原始音频信号的第一组数据,并且包括相位分量。 该方法基于音频信号的相位分量来确定嵌入到音频信号中的第二组数据。 音频信号相对于原始音频信号的不同之处在于(i)基本上不可察觉的和(ii)第一组数据的收听者不能察觉的至少之一。