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1. 发明授权

US11068739B1 Method and system for comparison of object contours 有权
公开(公告)号：US11068739B1
公开(公告)日：2021-07-20
申请号：US16267379
申请日：2019-02-04
申请人： MATROX ELECTRONIC SYSTEMS LTD.
发明人： Émile Ducrocq
IPC分类号： G06K9/46 , G06T7/73 , G06T7/13
摘要： A method and a system of object contours comparisons are described. A first tree structure that connects all points of a set of points is determined such that a length of the first tree structure is smaller than a length of any other possible tree structures for connecting all points. Based on the first tree structure, a first subset of the set of points is determined such that it includes points ordered to form a path that satisfies a selection criterion for representing a first contour of a first object. From the first subset of points and a second set of points that forms a contour of a second object, a set of points of interest is determined. The first object and the second object are compared based on characteristics of the shape indicative of a difference between the first and the second contours formed by the points of interest.

2. 发明授权

US09754374B1 Detection of a sheet of light based on second derivative 有权
公开(公告)号：US09754374B1
公开(公告)日：2017-09-05
申请号：US15042860
申请日：2016-02-12
申请人： MATROX ELECTRONIC SYSTEMS LTD.
发明人： Arnaud Lina
IPC分类号： G06K9/46 , G06T7/00
CPC分类号： G06T7/0044 , G06K9/2036 , G06K9/4661 , G06K2209/401 , G06T7/0057 , G06T2207/20024
摘要： A method for detecting a position of a sheet of light is described. A second derivative filter is applied to an intensity profile of a line of pixels. An ingress pixel position associated with an ingress zero-crossing second derivative value is determined. The ingress pixel position is between a first pixel position with a first minimum intensity value of the intensity profile and a second pixel position with a first maximum intensity value of the intensity profile. An egress pixel position associated with an egress zero-crossing second derivative value is determined. The egress pixel position is between a third pixel position with a second maximum intensity value of the intensity profile and a fourth pixel position with a second minimum intensity value of the intensity profile. A midpoint pixel position between the ingress pixel position and the egress pixel position is output as the position of the sheet of light.

3. 发明授权

US09548082B1 System and method for processing ancillary data associated with a video stream 有权
标题翻译：用于处理与视频流相关联的辅助数据的系统和方法
公开(公告)号：US09548082B1
公开(公告)日：2017-01-17
申请号：US14505676
申请日：2014-10-03
申请人： Matrox Electronic Systems Ltd.
发明人： Simon Bussieres
IPC分类号： H04N5/91 , G11B27/031 , H04N19/463
CPC分类号： G11B27/031 , G11B27/3027 , H04N5/76 , H04N5/91 , H04N9/806 , H04N9/8205 , H04N9/8211 , H04N19/463
摘要： Method and system for capturing and playing back ancillary data associated with a video stream. At capture, a first video stream and its associated non-audio ancillary data are received. The non-audio ancillary data associated with the first video stream is encoded into a first audio stream on a basis of a predefined encoding scheme. The captured non-audio ancillary data can then be transmitted and processed with the first video stream in the form of the first audio stream. At playback, a second video stream and a second audio stream containing encoded non-audio ancillary data associated with the second video stream are received. The second audio stream is decoded on a basis of a predefined decoding scheme in order to extract therefrom the non-audio ancillary data associated with the second video stream. The second video stream and its associated non-audio ancillary data are then both output for playback. This method of capture and playback enables a non-linear editing application that supports only video and audio data to receive, preserve, display to a user for editing purposes, and transmit unsupported non-audio ancillary data, since the latter is in the form of an audio stream.
摘要翻译：用于捕获和播放与视频流相关联的辅助数据的方法和系统。在捕获时，接收第一视频流及其相关联的非音频辅助数据。基于预定义的编码方案，将与第一视频流相关联的非音频辅助数据编码为第一音频流。捕获的非音频辅助数据然后可以以第一音频流的形式与第一视频流进行传输和处理。在回放时，接收包含与第二视频流相关联的编码的非音频辅助数据的第二视频流和第二音频流。基于预定义的解码方案对第二音频流进行解码，以从其中提取与第二视频流相关联的非音频辅助数据。然后，第二视频流及其相关联的非音频辅助数据被输出用于回放。这种捕获和回放方法使得能够支持视频和音频数据的非线性编辑应用程序能够接收，保存，显示给用户进行编辑，并发送不支持的非音频辅助数据，因为后者是音频流。

4. 发明授权

US08326037B1 Methods and apparatus for locating an object in an image 有权
标题翻译：用于在图像中定位对象的方法和装置
公开(公告)号：US08326037B1
公开(公告)日：2012-12-04
申请号：US11286710
申请日：2005-11-23
申请人： Jon Abitz , Djamel Meddah , Christian Simon
发明人： Jon Abitz , Djamel Meddah , Christian Simon
IPC分类号： G06K9/00 , G06K9/18 , G06K9/46 , G06K9/66 , G06K7/10
CPC分类号： G06K7/1443 , G06K9/32 , G06K9/4647 , G06K2209/01
摘要： A method for locating an object in an image is provided for an object that exhibits, in at least one direction, foreground pixel runs and background pixel runs consistent with at least characteristic of the object. In one embodiment, the method includes the acts of defining a plurality of regions in the image, associating a metric with each of the regions, finding pixel runs in the image, and identifying at least one pixel run in one of the plurality of regions where the at least one pixel run is consistent with the at least one characteristic of the object. According to one embodiment, the method includes the acts of adjusting the metric associated with the region where the at least one pixel run is identified and identifying, from among the plurality of regions, a region where the object is located based on a metric determined for a plurality of regions. In various embodiments, the object includes a repetitive pattern such as those found in barcodes and character strings.
摘要翻译：提供了一种用于在图像中定位对象的方法，用于在至少一个方向上呈现前景像素运行的对象，并且背景像素运行至少与对象的特征一致。在一个实施例中，该方法包括在图像中定义多个区域的动作，将度量与每个区域相关联，在图像中找到像素运行，以及识别多个区域中的至少一个像素，所述至少一个像素运行与所述对象的所述至少一个特征一致。根据一个实施例，该方法包括调整与其中识别至少一个像素运行的区域相关联的度量的动作，并且从多个区域中识别对象所在的区域，基于为多个区域。在各种实施例中，对象包括诸如在条形码和字符串中找到的重复模式。

5. 发明授权

US11087122B1 Method and system for processing candidate strings detected in an image to identify a match of a model string in the image 有权
公开(公告)号：US11087122B1
公开(公告)日：2021-08-10
申请号：US16388528
申请日：2019-04-18
申请人： MATROX ELECTRONIC SYSTEMS LTD.
发明人： Dominique Rivard
IPC分类号： G06K9/34 , G06K9/00
摘要： A minimum edit cost is representative of a cost of edit operations performed on a candidate string detected in an image to satisfy characteristics of a model string. An attempt to perform a minimum edit cost between the candidate string and the model string is performed. Upon determining that the candidate string includes a blank character at a first character position between two consecutive non-blank candidate characters, and in response to determining that there is a non-blank model character at a second character position of the model string and that the second character position is associated with the first character position of the blank character in the candidate string, an indication that the minimum edit cost between the candidate string and the model string cannot be computed and that the candidate string is not a match to the model string is output.

6. 发明授权

US09349162B1 System and method for image color correction 有权
标题翻译：用于图像颜色校正的系统和方法
公开(公告)号：US09349162B1
公开(公告)日：2016-05-24
申请号：US14720308
申请日：2015-05-22
申请人： MATROX ELECTRONIC SYSTEMS LTD.
发明人： Shaohua Chen , Steve Massicotte
IPC分类号： G06K9/00 , G06T5/00 , G06T5/40 , G06T7/40 , H04N9/64
CPC分类号： H04N1/6058
摘要： A reference value for a color statistic and an input image sample are received. A global color mapping is performed between the input image sample and the reference value to obtain a globally-mapped input image sample, the color statistic of the globally-mapped input image sample substantially matching the reference value and each pixel location in the globally-mapped input image sample having a correspondence with a corresponding pixel location in the input image sample. A point-to-point color mapping function minimizing for all pixels an error between the globally-mapped input image sample and the input image sample mapped according to the color mapping function is computed, the color mapping function transforming a color value of each pixel location in the input image sample to substantially match a color value of the corresponding pixel location in the globally-mapped input image sample.
摘要翻译：接收颜色统计量和输入图像样本的参考值。在输入图像样本和参考值之间执行全局颜色映射以获得全局映射的输入图像样本，全局映射的输入图像样本的颜色统计量基本上与参考值和全局映射的每个像素位置匹配输入图像样本与输入图像样本中的对应像素位置具有对应关系。计算对于所有像素最小化的点对点颜色映射函数，全局映射的输入图像样本和根据颜色映射函数映射的输入图像样本之间的误差，颜色映射函数变换每个像素位置的颜色值在输入图像样本中基本上匹配全局映射的输入图像样本中的相应像素位置的颜色值。

7. 发明授权

US08873856B1 Determining a class associated with an image 有权
标题翻译：确定与图像关联的类
公开(公告)号：US08873856B1
公开(公告)日：2014-10-28
申请号：US14020934
申请日：2013-09-09
申请人： Matrox Electronic Systems, Ltd.
发明人： Sylvain Chapleau , Vincent Paquin
IPC分类号： G06K9/34 , G06K7/10 , G06K9/00
CPC分类号： G06K9/344 , G06K2209/01
摘要： The technology is directed to determining a class associated with an image. In some examples, a method determines the class associated with an image. The method can include determining a segmentation score for an image segment based on a comparison of the image segment and a region of an image. The region of the image can be associated with the image segment. The method further includes determining a confidence score for the image segment based on the segmentation score and a classification score. The classification score can be indicative of a similarity between the image segment and at least one class. The method further includes determining a class associated with the image based on the confidence score. The method further includes outputting the class associated with the image.
摘要翻译：该技术旨在确定与图像相关联的类。在一些示例中，方法确定与图像相关联的类。该方法可以包括基于图像片段和图像的区域的比较来确定图像片段的分割分数。图像的区域可以与图像段相关联。该方法还包括基于分割得分和分类分数来确定图像片段的置信度得分。分类分数可以指示图像片段和至少一个类别之间的相似性。该方法还包括基于置信度得分来确定与图像相关联的类别。该方法还包括输出与图像相关联的类。

8. 发明授权

US08823731B1 Systems for and methods of processing signals in a graphics format 有权
标题翻译：以图形格式处理信号的系统和方法
公开(公告)号：US08823731B1
公开(公告)日：2014-09-02
申请号：US13708017
申请日：2012-12-07
申请人： Matrox Electronic Systems, Ltd.
发明人： Danny Pierini , François Germain , Jean Lapierre
IPC分类号： G09G5/02 , H04N7/01
CPC分类号： H04N7/013 , G06F3/14
摘要： According to one aspect, the invention provides an apparatus for converting data encoded in a graphics signal to at least one output signal. The apparatus includes an input, a plurality of outputs, signal processing circuitry and a controller. The input is adapted to receive the graphics signal where the graphics signal includes a plurality of frames generated at least in part from original data. The signal processing circuitry is adapted to locate, in the graphics signal, data corresponding to the original data, convert the data corresponding to the original data to output data and communicate the output data to the plurality of outputs. The controller is adapted to monitor a capacity of the signal processing circuitry and generate a signal that results in at least one disposable frame being added to the plurality of frames. The signal processing circuitry is adapted to discard the at least one disposable frame.
摘要翻译：根据一个方面，本发明提供一种用于将图形信号中编码的数据转换为至少一个输出信号的装置。该装置包括输入，多个输出，信号处理电路和控制器。该输入适于接收图形信号，其中图形信号包括至少部分地从原始数据生成的多个帧。信号处理电路适于在图形信号中定位对应于原始数据的数据，将与原始数据相对应的数据转换为输出数据，并将输出数据传送到多个输出。控制器适于监视信号处理电路的容量并产生导致至少一个一次性帧被添加到多个帧的信号。信号处理电路适于丢弃至少一个一次性的框架。

9. 发明授权

US08306399B1 Real-time video editing architecture 有权
标题翻译：实时视频编辑架构
公开(公告)号：US08306399B1
公开(公告)日：2012-11-06
申请号：US12792450
申请日：2010-06-02
申请人： Lorne Trottier , Michel St-Pierre , Andre Laframboise , Jean LaPierre
发明人： Lorne Trottier , Michel St-Pierre , Andre Laframboise , Jean LaPierre
IPC分类号： H04N5/93
CPC分类号： G11B27/034 , G06T1/20 , H04N21/436
摘要： An architecture which allows real-time video editing using a 2D/3D graphics engine. This architecture comprises input and output buffers. It receives video streams from either compressed sources of data or non compressed sources of data. This architecture allows a flexible upgrade of the video effects using software plug ins.
摘要翻译：允许使用2D / 3D图形引擎进行实时视频编辑的架构。该架构包括输入和输出缓冲器。它从压缩数据源或非压缩数据源接收视频流。该架构允许使用软件插件灵活升级视频效果。

10. 发明授权

US07986358B1 Bayer image conversion using a graphics processing unit 有权
标题翻译：拜耳图像转换使用图形处理单元
公开(公告)号：US07986358B1
公开(公告)日：2011-07-26
申请号：US10372764
申请日：2003-02-25
申请人： Louis-Antoine Blais-Morin , Stéphane Baldo , Guillaume Cottinet
发明人： Louis-Antoine Blais-Morin , Stéphane Baldo , Guillaume Cottinet
IPC分类号： H04N9/083 , H04N3/14
CPC分类号： G06T1/00 , H04N9/045 , H04N2209/046
摘要： A single-site color image, such as a Bayer CCD image, is converted to a color space image using the resource of a Graphics Processing Unit (GPU). The Bayer image is loaded into the GPU along with commands to cause the texture engine in the GPU to use the Bayer image as a source texture and to compute, for each pixel in a destination image having same dimensions as the single-site color camera image, interpolated neighbor pixel values from the single-site color camera image for the remainder of said colors. A code image can be used to provide, for each pixel in the destination image, a value for each combination of color space image color and each Bayer image color. Each pixel is then computed as a sum of a product of each code image. value and a corresponding value selected from the corresponding source texture pixels and an interpolation of neighboring source texture pixels.
摘要翻译：使用图形处理单元（GPU）的资源将单站彩色图像（例如拜耳CCD图像）转换为彩色空间图像。 Bayer图像与命令一起加载到GPU中，以使GPU中的纹理引擎使用Bayer图像作为源纹理，并计算与单站点彩色图像相同尺寸的目标图像中的每个像素，对于所述颜色的剩余部分，来自单站点彩色照相机图像的内插相邻像素值。可以使用代码图像为目标图像中的每个像素提供颜色空间图像颜色和每个拜耳图像颜色的每个组合的值。然后将每个像素计算为每个代码图像的乘积的总和。值和从相应的源纹理像素中选择的对应值和相邻源纹理像素的内插。

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