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    • 81. 发明申请
    • CORRECTION OF BOUNDARY ARTEFACTS IN IMAGE DATA PROCESSING
    • 边界条件在图像数据处理中的校正
    • WO2002084594A2
    • 2002-10-24
    • PCT/GB2002/000768
    • 2002-02-21
    • VOXAR LIMITEDPAPAGEORGIOU, PavlosPOOLE, Ian
    • PAPAGEORGIOU, PavlosPOOLE, Ian
    • G06T5/30
    • G06T5/30G06T2207/10081G06T2207/10088G06T2207/10104
    • An image processing system is described in which sets of image elements having display values outside of a target range B of display values are each respectively morphologically dilated. The intersection between the morphologically dilated sets of image elements is then identified and those image elements within the intersecting region are removed from the set of image elements having the target range B of display values. This removes image elements incorrectly appearing to have display values corresponding to the target range B of display values due to aliasing effect between regions of image elements having display values either side of the target range B of imaging may be two-dimensional or three-dimensional imaging. The morphologically dilatation is preferably performed with a quasi-circular or a quasi-spherical structuring element having a radius of between two and three voxels.
    • 描述了一种图像处理系统,其中分别在显示值的目标范围B之外的显示值的图像元素组分别形态地扩大。 然后识别形态扩张的图像元素集合之间的交集,并且从具有显示值的目标范围B的图像元素集合中去除交叉区域内的那些图像元素。 这样除去由于具有显示值的图像元素的区域之间的混叠效应而与显示值的目标范围B相对应的显示值不正确地出现的图像元素可以是二维或三维成像 。 形态学上的扩张优选用具有半径在二和三个体素之间的准圆形或准球形结构元件进行。
    • 86. 发明公开
    • OPTICAL RECORDING MEDIUM AND METHOD FOR MANUFACTURING OPTICAL RECORDING MEDIUM
    • 奥地利新西兰皇家赫尔辛基广播公司AUFZEICHNUNGSMEDIUMS
    • EP2490220A1
    • 2012-08-22
    • EP10823172.1
    • 2010-10-04
    • Sony Corporation
    • SAKAMOTO, TetsuhiroMIYAMOTO, HirotakaTAKEMOTO, YoshihiroYAMATSU, Hisayuki
    • G11B7/24G11B7/007G11B7/244G11B7/26
    • G11B7/26G11B7/00452G11B7/24044G11B7/2405G11B7/244G11B2007/0009Y10T156/10
    • [Object] To enable stable void recording to be performed with lower power than in a case where a conventional void (hole) recording method is adopted.
      [Solving Means] Provided is an optical recording medium including a recording layer in which a plurality of boundary surfaces of resin layers are formed, and intervals of the boundary surfaces are set to be equal to or smaller than a focal depth of recording light. A recording sensitivity of hole marks is enhanced at the boundary surfaces of the resin layers. Therefore, by providing the recording layer in which the boundary surfaces are provided at intervals equal to or smaller than the focal depth of recording light as described above, that is, the recording layer is practically filled with the boundary surfaces, the hole mark recording sensitivity of the recording layer can be enhanced as a whole. Accordingly, it becomes possible to suppress laser power requisite for recording to be smaller than that of the conventional art and solve the problems of the conventional void recording method. As a result, realizability of a large-capacity recording medium as a bulk-type recording medium can be additionally enhanced.
    • 与采用常规的空隙(孔)记录方法的情况相比,能够以较低的功率进行稳定的空隙记录。 [解决方案]提供一种光记录介质,其包括其中形成树脂层的多个边界面的记录层,并且边界面的间隔被设定为等于或小于记录光的焦深。 在树脂层的边界面处,孔标记的记录灵敏度得到提高。 因此,如上所述,通过设置以等于或小于记录光的焦深的间隔设置边界面的记录层,即记录层实际上被边界表面填充,孔标记记录灵敏度 记录层的整体可以得到增强。 因此,可以抑制记录所需的激光功率小于常规技术的激光功率,并且解决了传统的空白记录方法的问题。 结果,作为大容量记录介质的大容量记录介质的可实现性可以进一步提高。
    • 89. 发明公开
    • WIRELESS RECEIVER
    • 无线接收器
    • EP2467984A2
    • 2012-06-27
    • EP10749892.5
    • 2010-08-12
    • Cascoda Limited
    • BRUSHNER, Wolfgang
    • H04L27/00
    • H04L27/0002H04B1/7075H04B1/709H04L7/042H04L27/0014H04L27/2014H04L27/22H04L27/233H04L27/368H04L2027/003H04L2027/0065H04L2027/0095
    • A wireless receiver designed to conform to the standard IEEE 802.15.4. The receiver comprises an analog front-end and a digital decoder. The analog components of the front end include one or more amplifiers and an analog-to-digital converter (ADC). The digital decoder receives the output of the ADC and demodulates it in a demodulator which is driven at an a chip frequency by an internal or external clock. The demodulator comprises a sampler operable to sample the digital signal at a sampling frequency and a correlation unit operable to process a set of bits, referred to as a chip code, in the sampled digitised signal and output therefrom a set of correlation values. The set of correlation values is an indicator of likely mapping between the chip code that has been processed and a set of possible chip codes defined according to the standard. The demodulator further comprises a symbol selection unit and a frequency correction unit. The symbol selection unit has the function of deciding which symbol has been received based on an analysis of each set of correlation values. The frequency correction unit is operable to make adjustments to the chip frequency based on the correlation values output from the correlation unit, specifically to increase or decrease the chip frequency based on a measurement of whether the maximum correlation value among each set of correlation values occurs earlier or later than predicted. This scheme has the advantage that phase and frequency compensation is done after correlation avoiding the need for coherent demodulation while at the same time not requiring the stringent specifications of a conventional non-coherent demodulation scheme.