中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

2618 records (took 0.052 seconds)

    METHOD AND APPARATUS FOR WRITING BINARY DATA WITH LOW POWER CONSUMPTION
    224.
    发明申请
    METHOD AND APPARATUS FOR WRITING BINARY DATA WITH LOW POWER CONSUMPTION 审中-公开
    用于书写低功耗的二进制数据的方法和装置

    公开(公告)号：US20080250056A1

    公开(公告)日：2008-10-09

    申请号：US12062138

    申请日：2008-04-03

    Applicant: Oscar Chi Lim Au ,  Richard Yuk Ming Li

    Inventor： Oscar Chi Lim Au ,  Richard Yuk Ming Li

    IPC: G06F17/30

    CPC classification number: H04N1/32203 ,  G06T1/0028 ,  G06T2201/0051 ,  G06T2201/0061 ,  H04N1/32229 ,  H04N1/32256 ,  H04N2201/3233 ,  H04N2201/327

    Abstract: Systems and methodologies are provided herein for representing information in a data processing system with low power consumption. As described herein, parity relationships between multiple nodes of to-be-written binary information and original information can be leveraged as described herein to reduce the amount of toggling required to write information in a memory, thereby reducing power consumption. Various algorithms for leveraging parity relationships are described herein, including a Champagne Pyramid Parity Check (CPPC) algorithm and a Tree-Based Parity Check (TBPC) algorithm.

    Abstract translation: 本文提供的系统和方法用于在低功耗的数据处理系统中表示信息。 如这里所述，可以利用这里所描述的待写入二进制信息和原始信息的多个节点之间的奇偶校验关系来减少在存储器中写入信息所需的切换量，从而降低功耗。 本文描述了用于利用奇偶校验关系的各种算法，包括香槟金字塔奇偶校验（CPPC）算法和基于树的奇偶校验（TBPC）算法。

    Protecting images with an image watermark
    230.
    发明申请
    Protecting images with an image watermark 失效
    用图像水印保护图像

    公开(公告)号：US20080212824A1

    公开(公告)日：2008-09-04

    申请号：US11522788

    申请日：2006-09-18

    Applicant: Gordon Wesley Braudaway ,  Frederick Cole Mintzer

    Inventor： Gordon Wesley Braudaway ,  Frederick Cole Mintzer

    IPC: G06K9/00

    CPC classification number: G06T1/005 ,  G06T2201/0065 ,  H04N1/32203 ,  H04N1/32208 ,  H04N1/32251 ,  H04N2201/3233 ,  H04N2201/327

    Abstract: A robust means of watermarking a digitized image with a highly random sequence of pixel brightness multipliers is presented. The random sequence is formed from ‘robust-watermarking-parameters’ selected and known only by the marker and/or the marking entity. A watermarking plane is generated which has an element array with one-to-one element correspondence to the pixels of the digitized image being marked. Each element of the watermarking plane is assigned a random value dependent upon a robust random sequence and a specified brightness modulation strength. The so generated watermarking plane is imparted onto the digitized image by multiplying the brightness value or values of each pixel by its corresponding element value in the watermarking plane. The resulting modified brightness values impart the random and relatively invisible watermark onto the digitized image. Brightness alteration is the essence of watermark imparting. Detection of an imparted watermark requires knowing the watermarking plane with which the watermark was imparted. Regeneration of the watermarking plane requires knowledge of the robust-marking-parameters used in its formulation. This is generally only known to the marker and/or marking entity. Once regenerated the watermarking plane is used together with a verifying image located in a ‘visualizer’ to demonstrate the existence of the watermark.

    Abstract translation: 提出了一种使用高随机序列的像素亮度乘法器对数字化图像进行水印加密的鲁棒手段。 随机序列由仅由标记和/或标记实体选择并且已知的“鲁棒水印参数”形成。 生成具有与被标记的数字化图像的像素对应的一对一元素的元素阵列的水印平面。 水印平面的每个元素被赋予依赖于鲁棒随机序列和指定亮度调制强度的随机值。 通过将每个像素的亮度值或其值相应于水印平面中的相应元素值，将所生成的水印平面赋予数字化图像。 所产生的经修改的亮度值将随机和相对不可见的水印赋予数字化图像。 亮度变化是水印赋予的本质。 对赋予水印的检测需要知道赋予水印的水印平面。 水印平面的再生需要知道其配方中使用的鲁棒标记参数。 这通常仅为标记和/或标记实体所知。 一旦再生，水印平面与位于“可视化器”中的验证图像一起使用以证明水印的存在。

Patent Agency Ranking