公开(公告)号：US06903706B1

公开(公告)日：2005-06-07

申请号：US10101503

申请日：2002-03-20

Applicant: Lorne Trottier ,  Yves Tremblay ,  Razid Samdjy ,  Robert Lafleur ,  Stéphane Tremblay

Inventor： Lorne Trottier ,  Yves Tremblay ,  Razid Samdjy ,  Robert Lafleur ,  Stéphane Tremblay

IPC: G06F3/14 ,  G09G5/00

CPC classification number: G09G5/006 ,  G06F3/1423

Abstract: Provides an apparatus and method for displaying dual Digital Visual Interface (DVI) displays simultaneously, with independent images, by using a Transition Minimized Differential Signaling (TMDS) serializer with dual channels and one clock. Also provides an apparatus and method allowing either two low-resolution displays or one high-resolution display to be driven by a reduced circuit.

Abstract translation: 提供一种用于通过使用具有双通道和一个时钟的转换最小化差分信号（TMDS）串行器同时显示独立图像来显示双数字视频接口（DVI）显示的设备和方法。 还提供了允许两个低分辨率显示器或一个高分辨率显示器由减小电路驱动的装置和方法。

公开(公告)号：US20250141948A1

公开(公告)日：2025-05-01

申请号：US19004567

申请日：2024-12-30

Applicant: Matrox Graphics Inc.

Inventor： Martin George Lafferty

IPC: H04L65/65 ,  G06F9/54

Abstract: A system and method for an asynchronous media fabric service. The system includes at least one host configured with the asynchronous media fabric service. The asynchronous media fabric service is configured to: create and delete shared memory pools that are used to allow processes running on a single host direct access to grain data; send and receive grains from other hosts; and serve as an API end-point for asynchronous media fabric function processes to create, delete and obtain references to streams.

公开(公告)号：US10523958B1

公开(公告)日：2019-12-31

申请号：US16228625

申请日：2018-12-20

Applicant: Matrox Graphics Inc.

Inventor： Nicolas Jean ,  Mathieu Girard ,  Jean-Jacques Ostiguy

IPC: H04N19/436 ,  H04N19/12 ,  H04N19/172 ,  H04N19/146 ,  H04N19/196 ,  H04N19/80

Abstract: Method and apparatus of compressing a stream of pictures in parallel in a compression device, where the compression device includes at least a first and a second component, are described. A first portion of a first picture of a stream of pictures is processed in the first component of the compression device, while a second portion of a second picture of the stream of pictures is simultaneously processed in the second component of the compression device according to partial compression statistics associated with the second picture, where the partial compression statistics result from the processing of the second picture in the compression device when compression of the second picture is not yet completed.

公开(公告)号：US10360695B1

公开(公告)日：2019-07-23

申请号：US15611558

申请日：2017-06-01

Applicant: MATROX GRAPHICS INC.

Inventor： Nicolas Jean ,  Alain Champenois ,  Jean-Jacques Ostiguy ,  Mathieu Girard ,  Khalil Mawassi

IPC: G06T9/00 ,  H04N19/10 ,  H04N19/94 ,  H04N19/124 ,  H04N19/176

Abstract: A method and apparatus for enabling low latency compression of a stream of pictures are described. A first set of static regions of a current picture from the plurality of pictures is determined, where each region from the first set is static. A second set of regions of the current picture is determined, where the second set includes all regions of the current picture that are not included in the first set. Compression of the first set of regions is performed based on values of a first quantization parameter determined by a MAQ mechanism. The MAQ mechanism is operative to dynamically increase the compression quality of static regions. Compression of the second set of regions is performed based on values of a second quantization parameter determined by a rate control mechanism. The rate control mechanism is operative to compress the data stream according to a target bit rate.

公开(公告)号：US09665740B1

公开(公告)日：2017-05-30

申请号：US14262868

申请日：2014-04-28

Applicant: Matrox Graphics Inc.

Inventor： Jean-Jacques Ostiguy ,  André Testa

IPC: G06F21/85 ,  G06T1/60

CPC classification number: G06F21/85 ,  G06F21/84 ,  G06F2221/2107 ,  G06T1/60 ,  G09G5/006 ,  G09G5/363 ,  G09G2360/06 ,  H04N5/913 ,  H04N2005/91364

Abstract: A system and method for cryptographically securing a graphics system connectable via an external bus to a computing system, the graphics system including a graphics processor, a video memory and a memory controller for controlling the flow of data to and from the video memory. The graphics system further includes a copy engine for copying data between a system memory of the computing system and the video memory, where this copy engine acts independently of the graphics processor of the graphics system. The present invention enables the copy engine of the graphics system to decrypt encrypted data in the course of copying data from the system memory to the video memory and to encrypt unencrypted data in the course of copying data from the video memory to the system memory. Thus, cryptographic protection of secure content may be assured by the graphics system without the excessive usage of its primary resources for this non-graphical purpose.

公开(公告)号：US08963934B1

公开(公告)日：2015-02-24

申请号：US13717058

申请日：2012-12-17

Applicant: Matrox Graphics Inc.

Inventor： Marc-Antoine Massicotte ,  Christian Toutant ,  Stephane Tremblay

IPC: G06F13/30 ,  G09G5/00

CPC classification number: G09G5/001 ,  G06F3/1423 ,  G06F3/1431 ,  G06F3/1438 ,  G09G5/026 ,  G09G5/06 ,  G09G5/14 ,  G09G5/363

Abstract: There is described a method and circuit for independently processing a plurality of regions of an image to be displayed on a display device. The circuit comprises a plurality of transformation modules; a multiplexer having a plurality of inputs and an output for selectively transmitting one of the output values from one of the plurality of transformation modules, and a selector line; and a selection module operatively connected to the selector line of the multiplexer and configured to determine a position of the pixel in the image and identify a transformation module corresponding to a region with a highest priority level for a pixel position, and cause the multiplexer to output the output value from the identified transformation module as the post-transformation pixel for display on the display device.

Abstract translation: 描述了一种用于独立处理要在显示装置上显示的图像的多个区域的方法和电路。 该电路包括多个变换模块; 具有多个输入的多路复用器和用于选择性地从多个变换模块之一输出输出值之一的输出端和选择线; 以及选择模块，其可操作地连接到所述多路复用器的选择器线，并且被配置为确定所述图像中的像素的位置，并且识别对应于像素位置具有最高优先级的区域的变换模块，并且使所述多路复用器输出 来自所识别的变换模块的输出值作为在显示装置上显示的后变换像素。

公开(公告)号：US11805261B1

公开(公告)日：2023-10-31

申请号：US17025695

申请日：2020-09-18

Applicant: Matrox Graphics Inc.

Inventor： Mathieu Girard ,  Nicolas Jean ,  Alain Champenois ,  Jean-Jacques Ostiguy ,  Sergiu Bogdan Nicolescu

IPC: H04N19/146 ,  H04N19/124 ,  H04N19/177 ,  H04N19/196

CPC classification number: H04N19/146 ,  H04N19/124 ,  H04N19/177 ,  H04N19/196

Abstract: A method and apparatus for enabling compression of a stream of pictures according to a target bit rate are described. A first configuration parameter for a first portion is determined based at least in part on a first relative weight of the first portion with respect to a first set of N portions, where the first set of N portions includes the first portion and N-1 portions which succeed the first portion. A second configuration parameter for a second portion of a second picture is determined based at least in part on a second relative weight of the second portion with respect to a second set of M portions of pictures, where the second set of M portions includes a subset of the N-1 portions from the first set and zero or more additional portions of pictures from the stream of pictures.

公开(公告)号：US10003803B1

公开(公告)日：2018-06-19

申请号：US15412818

申请日：2017-01-23

Applicant: MATROX GRAPHICS INC.

Inventor： Jean-Jacques Ostiguy ,  Simon Garneau ,  Bernard Antaki ,  Alain Champenois ,  Khalil Mawassi ,  Nicolas Jean

IPC: H04N11/02 ,  H04N19/124 ,  H04N19/172 ,  H04N19/51

CPC classification number: H04N19/124 ,  H04N19/137 ,  H04N19/172 ,  H04N19/176 ,  H04N19/51

Abstract: A method and apparatus for compressing a data stream comprising a plurality of pictures are described. A first quantization parameter (QP) from a plurality of QPs is determined, for a static region in a current picture. The plurality of QPs change in accordance with a multi-step change from a start QP to a target QP and each one of the plurality of QPs is to be applied to a respective one from successive static regions in successive pictures. In response to determining that the static region is to be compressed based upon an inter prediction mode, compression of the static region is caused based upon the first QP; and in response to determining that the static region is to be compressed based upon an intra prediction mode, compression of the static region is caused based upon a minimum QP.

公开(公告)号：US09047669B1

公开(公告)日：2015-06-02

申请号：US13623557

申请日：2012-09-20

Applicant: MATROX GRAPHICS INC.

Inventor： Jean-Jacques Ostiguy ,  Nicolas Jean ,  Simon Garneau ,  Alain Champenois ,  Mathieu Girard

IPC: G06K9/36 ,  G06K9/46 ,  G06T9/00

CPC classification number: G06T9/005 ,  H04N19/124 ,  H04N19/149 ,  H04N19/174

Abstract: There is described herein a method and system for dynamically controlling the bit rate of a codec during image data compression by analyzing information output by a first module that processes the group of macroblocks as part of the compression scheme, and configuring a second module to process the group of macroblocks according to this analysis.

Abstract translation: 这里描述了一种用于在图像数据压缩期间通过分析处理作为压缩方案的一部分的宏块组处理的第一模块输出的信息来动态地控制编解码器的比特率的方法和系统，以及配置第二模块来处理 根据这个分析的一组宏块。

公开(公告)号：US08736626B2

公开(公告)日：2014-05-27

申请号：US12198831

申请日：2008-08-26

Applicant: Jean-Jacques Ostiguy ,  Andre Testa

Inventor： Jean-Jacques Ostiguy ,  Andre Testa

IPC: G09G5/39 ,  G06F13/28 ,  G06F13/00 ,  G06F11/30 ,  G06F12/14

CPC classification number: G06F21/85 ,  G06F21/84 ,  G06F2221/2107 ,  G06T1/60 ,  G09G5/006 ,  G09G5/363 ,  G09G2360/06 ,  H04N5/913 ,  H04N2005/91364

Abstract: A system and method for cryptographically securing a graphics system connectable via an external bus to a computing system, the graphics system including a graphics processor, a video memory and a memory controller for controlling the flow of data to and from the video memory. The graphics system further includes a copy engine for copying data between a system memory of the computing system and the video memory, where this copy engine acts independently of the graphics processor of the graphics system. The present invention enables the copy engine of the graphics system to decrypt encrypted data in the course of copying data from the system memory to the video memory and to encrypt unencrypted data in the course of copying data from the video memory to the system memory. Thus, cryptographic protection of secure content may be assured by the graphics system without the excessive usage of its primary resources for this non-graphical purpose.

Abstract translation: 一种用于将通过外部总线连接的图形系统加密地保护到计算系统的系统和方法，所述图形系统包括图形处理器，视频存储器和用于控制到视频存储器的数据流的存储器控​​制器。 图形系统还包括用于在计算系统的系统存储器和视频存储器之间复制数据的复制引擎，其中该复制引擎独立于图形系统的图形处理器。 本发明使图形系统的复制引擎在将数据从系统存储器复制到视频存储器的过程中解密加密数据，并且在将数据从视频存储器复制到系统存储器的过程中加密未加密的数据。 因此，安全内容的加密保护可以由图形系统确保，而不用于其非图形化目的的主要资源的过度使用。