公开(公告)号：US20080285880A1

公开(公告)日：2008-11-20

申请号：US12093768

申请日：2006-11-16

Applicant: Raoul Florent ,  Christophe Samson ,  Mathieu Picard

Inventor： Raoul Florent ,  Christophe Samson ,  Mathieu Picard

IPC: G06K9/40

CPC classification number: G06T5/20

Abstract: The present invention relates to a method of filtering an input image using a target oriented filter pattern, which has been obtained by warping a source oriented filter pattern. Such a method comprises a step of computing a source oriented filter pattern at a central image point of said input image, said source oriented filter pattern comprising a source central line, a step of analyzing intensity levels of image points in the vicinity of the central image point for determining a target central line and a step of computing a target oriented filter pattern at the central image point from said target central line and said source oriented filter pattern by defining transformation rules between points of the source and points of the target oriented filter patterns. The method in accordance with the invention finally comprises a step of computing a target oriented filter from said target oriented filter pattern and of applying said target oriented filter to said input image for producing an output image.

Abstract translation: 本发明涉及一种使用面向目标的滤波器图案来对输入图像进行滤波的方法，该方法是通过扭曲源极化滤波器图案而获得的。 这种方法包括以下步骤：在所述输入图像的中心图像点处计算源取向滤波器图案，所述源向量滤波器图案包括源中心线，分析中心图像附近的图像点的强度级别的步骤 用于确定目标中心线的点和从所述目标中心线和所述源向量滤波器图案在所述中心图像点处计算面向目标滤波器图案的步骤，通过在所述目标定向滤波器图案的源点和点之间定义变换规则 。 根据本发明的方法最终包括从所述目标定向滤波器图案计算目标定向滤波器并将所述目标定向滤波器应用于所述输入图像以产生输出图像的步骤。

公开(公告)号：US20060031738A1

公开(公告)日：2006-02-09

申请号：US10532927

申请日：2003-10-16

Applicant: Laurent Fay ,  Jean-Marc Reme ,  Christophe Samson

Inventor： Laurent Fay ,  Jean-Marc Reme ,  Christophe Samson

IPC: H03M13/00

CPC classification number: H04L1/0009 ,  H04L1/0025

Abstract: The invention applies to packet transmission networks. It proposes an adaptive forward error control scheme implemented at the application level, allowing to respect a maximum tolerated packet error rate. According to the invention, the amount of redundancy is adapted so as to offer a correction capability allowing to respect said maximum tolerated packet error rate. Advantageously, the maximum tolerated packet error rate is set by the application.

Abstract translation: 本发明适用于分组传输网络。 它提出了在应用级实现的自适应前向错误控制方案，允许尊重最大容许分组错误率。 根据本发明，冗余量适应于提供允许遵守所述最大容许分组错误率的校正能力。 有利地，最大容许分组错误率由应用程序设置。

公开(公告)号：US20080152251A1

公开(公告)日：2008-06-26

申请号：US11814817

申请日：2006-01-27

Applicant: Raoul Florent ,  Mathieu Picard ,  Christophe Samson

Inventor： Raoul Florent ,  Mathieu Picard ,  Christophe Samson

IPC: G06K9/40

CPC classification number: G06T5/003 ,  G06T5/20 ,  G06T2207/20016

Abstract: A modified Laplacian-pyramid method and system filters (340-360, 440-460) the Gaussian image at each level (31-33, 41-43) of the pyramid, and uses the filtered Gaussian image (341-361, 441-461) to produce the Laplacian-pyramid images (349-369, 449-469). The filtering of the Gaussian image is adaptive, and based at least in part on the characteristics of the Gaussian image at each stage. In one example embodiment, two filters (F1, F2) are used at each stage, and the Laplacian image (349-369) is based on a filtered version of the Gaussian image and an upsampled filtered version of a downsampling (346-366) of the Gaussian image. In another example, filter is used, and the Laplacian image (449-469) is based on the filtered version (441-461) of the Gaussian image and an upsampled downsampling (446-466) of the filtered version of the Gaussian image. By forming the Laplacian images (349-369, 449-469) from the filtered Gaussian images (341-361, 441-461), the aliasing conventionally produced by filtering the Laplacian images is substantially reduced.

Abstract translation: 金字塔的每个级别（31 - 33，41 - 43）上的高斯图像（341-336,404-460）的改进的拉普拉斯棱锥法和系统滤波器（340-360,440-460），并且使用滤波高斯图像 461）产生拉普拉斯金字塔图像（349 - 369，449 - 469）。 高斯图像的滤波是自适应的，并且至少部分地基于每个阶段的高斯图像的特性。 在一个示例实施例中，在每个阶段使用两个滤波器（F 1，F 2），并且拉普拉斯图像（349-369）基于高斯图像的滤波版本和下采样（346-369）的上采样滤波版本， 366）的高斯图像。 在另一示例中，使用滤波器，并且拉普拉斯图像（449-469）基于高斯图像的滤波版本（441-461）和高斯图像的滤波版本的上采样下采样（446-466）。 通过从滤波高斯图像（341-361,441-461）形成拉普拉斯图像（349-369,449-469），通常通过滤波拉普拉斯图像产生的混叠显着减少。

公开(公告)号：US20070071354A1

公开(公告)日：2007-03-29

申请号：US10572616

申请日：2004-09-02

Applicant: Raoul Florent ,  Christophe Samson ,  Mathieu Picard

Inventor： Raoul Florent ,  Christophe Samson ,  Mathieu Picard

IPC: G06K9/40

CPC classification number: G06T5/002 ,  G06T5/20 ,  G06T5/50 ,  G06T2207/10016 ,  G06T2207/20008 ,  G06T2207/20016 ,  G06T2207/20182 ,  G06T2207/20192 ,  G06T2207/30004

Abstract: The invention relates to an image processing system for reduction of the noise and enhancement of edges in images of a sequence, comprising means of decomposition of spatial image signal yielding slices of different content; means of temporal filtering for differently filtering the slices according to the content; and means of recomposition of the images of the sequence from the temporally filtered slices. The decomposition may be performed using means of pyramidal decomposition. The means of temporal filtering may comprise motion compensation and/or recursive adaptive filtering. This system may further comprise imaging means for displaying the images of the sequence. The invention further relates to a medical examination apparatus coupled to this system.

Abstract translation: 本发明涉及一种用于减少序列图像中的边缘噪声和增强的图像处理系统，包括：分解空间图像信号的装置，产生不同内容的片段; 用于根据内容对片段进行不同过滤的时间滤波手段; 以及重新组合来自时间过滤的片段的序列的图像的装置。 可以使用金字塔形分解的方法进行分解。 时间滤波的方法可以包括运动补偿和/或递归自适应滤波。 该系统还可以包括用于显示序列的图像的成像装置。 本发明还涉及耦合到该系统的医学检查装置。

公开(公告)号：US20050076272A1

公开(公告)日：2005-04-07

申请号：US10499941

申请日：2002-12-18

Applicant: Gilles Delmas ,  Christophe Samson

Inventor： Gilles Delmas ,  Christophe Samson

IPC: H03M13/15 ,  H03M13/35 ,  H04L1/00 ,  G06F11/00 ,  H03M13/00

CPC classification number: H04L1/0057 ,  H03M13/15 ,  H03M13/35 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/007 ,  H04L1/0083 ,  H04L2001/0098

Abstract: The invention proposes a new scheme for unequal error protection using forward error correction based on Reed-Solomon codes. The invention applies to data packets comprising data symbols having various level of importance. It consists in applying a single RS code to all data symbols regardless of their level of importance, but in skipping one or more of the error correction symbols generated from the data symbols of lower importance when forming error correction packets, if reduction of the redundancy is necessary.

Abstract translation: 本发明提出了一种基于Reed-Solomon码的前向纠错的不等差错保护方案。 本发明适用于包含具有各种重要程度的数据符号的数据分组。 它包括将单个RS码应用于所有数据符号，而不管其重要程度如何，但是当形成纠错数据包时，跳过从重要性较低的数据符号产生的一个或多个纠错符号，如果减少冗余是 必要。

公开(公告)号：US07328394B2

公开(公告)日：2008-02-05

申请号：US10532927

申请日：2003-10-16

Applicant: Laurent Faÿ ,  Jean-Marc Reme ,  Christophe Samson

Inventor： Laurent Faÿ ,  Jean-Marc Reme ,  Christophe Samson

IPC: H03M13/00

CPC classification number: H04L1/0009 ,  H04L1/0025

Abstract: A transmitter uses an adaptive forward error control scheme that includes redundant packets to reduce packet error rate at a receiver. The receiver analyzes the received packet error rate before correction to determine an optimal level of redundancy required to respect a maximum tolerated packet error rate after correction, and communicates this determined optimal level to the transmitter for controlling the amount of redundancy in subsequent transmissions from the transmitter.

Abstract translation: 发射机使用包括冗余分组的自适应前向错误控制方案，以减少接收机处的分组错误率。 接收机在校正之前分析接收到的分组错误率，以确定在校正之后遵守最大容许分组错误率所需的最优冗余级别，并将该确定的最佳级别传送到发射机，以控制来自发射机的后续传输中的冗余量 。

公开(公告)号：US20080317370A1

公开(公告)日：2008-12-25

申请号：US12092868

申请日：2006-11-02

Applicant: Raoul Florent ,  Christophe Samson

Inventor： Raoul Florent ,  Christophe Samson

IPC: G06K9/40

CPC classification number: G06T5/20 ,  G06K9/4619 ,  G06K2209/057

Abstract: The present invention relates to a method of filtering an input image for producing an output image. The method comprising the steps of, for a first image point located at first spatial coordinates:—analysing intensity levels of the input image in a first vicinity of the first image point for calculating a first direction of filtering at said first image point;—computing an intensity level of a first output image point of a first output image by applying a first steerable filter kernel to the input image, which is centered at the first image point and oriented along the calculated first direction of filtering; selecting at least a second image point in a second vicinity of said first image point in the first output image;—computing an intensity level of at least one second output image point of a second output image by applying at least a second steerable filter kernel to the input image, which is centered at the at least second image point and oriented along a second direction of filtering;—calculating a linear combination of the first output image point and of the at least second output image point for providing an output intensity level;—applying said output intensity level to an output image point of said output image, said output image point having said first spatial coordinates.

Abstract translation: 本发明涉及一种滤波输出图像以产生输出图像的方法。 该方法包括以下步骤：对于位于第一空间坐标处的第一图像点：在第一图像点的第一附近分析输入图像的强度水平，以计算所述第一图像点处的第一滤波方向; - 计算 通过将第一可转向过滤器内核施加到以所计算的第一滤波方向为中心的第一图像点为中心的输入图像的第一输出图像点的强度水平; 在所述第一输出图像中的所述第一图像点的第二附近选择至少第二图像点; - 通过将至少第二可控滤波器核应用到第二输出图像的至少一个第二输出图像点的强度水平 所述输入图像以所述至少第二图像点为中心并沿着第二滤波方向定向;计算所述第一输出图像点和所述至少第二输出图像点的线性组合以提供输出强度水平; 将所述输出强度电平施加到所述输出图像的输出图像点，所述输出图像点具有所述第一空间坐标。

公开(公告)号：US20050209860A1

公开(公告)日：2005-09-22

申请号：US10517475

申请日：2003-06-04

Applicant: Dominique Beaufort ,  Laurent Fay ,  Christophe Samson

Inventor： Dominique Beaufort ,  Laurent Fay ,  Christophe Samson

IPC: G06F13/00 ,  G01C21/34 ,  G06Q50/14 ,  G08G1/0968 ,  G06F17/60

CPC classification number: G08G1/096811 ,  G01C21/343 ,  G01C21/3679 ,  G08G1/096838

Abstract: The invention relates to an itinerary search method comprising a step of computing the itinerary from a criterion defined by a user (for example, a point of departure and a point of arrival) and a step of selecting service providers along the computed itinerary, said services being defined by the user.

Abstract translation: 本发明涉及一种行程搜索方法，其包括从由用户定义的标准（例如，出发点和到达点）计算行程的步骤以及沿着所计算的行程选择服务提供者的步骤，所述服务 由用户定义。