公开(公告)号：US20160345010A1

公开(公告)日：2016-11-24

申请号：US15228635

申请日：2016-08-04

Applicant: Honeywell International Inc.

Inventor： Yadhunandan Us ,  Gurumurthy Swaminathan ,  Kwong Wing Au

IPC: H04N19/139 ,  H04N19/503 ,  H04N19/117 ,  H04N19/176 ,  H04N19/51

CPC classification number: H04N19/139 ,  G06K9/00624 ,  H04N19/117 ,  H04N19/137 ,  H04N19/176 ,  H04N19/48 ,  H04N19/503 ,  H04N19/51

Abstract: Systems and methods for detecting motion in compressed video are provided. Some methods can include parsing a stream of compressed video, obtaining macroblock size information from the parsed stream, computing factors derived from the macroblock size information, computing adaptive threshold values derived from relative frame characteristics of the compressed video, comparing the factors derived from the macroblock size information with the adaptive threshold values, and detecting motion based upon the comparing when at least one of the factors exceeds at least one of the adaptive threshold values. In some embodiments, detecting the motion can include performing spatio-temporal filtering on macroblocks in which the motion is detected or performing spatio-temporal filtering on at least one non-motion macroblock.

Abstract translation: 提供了用于检测压缩视频中运动的系统和方法。 一些方法可以包括解析压缩视频流，从解析流获得宏块尺寸信息，从宏块尺寸信息导出的计算因子，计算从压缩视频的相对帧特性导出的自适应阈值，比较从宏块导出的因子 具有自适应阈值的大小信息，以及当至少一个因素超过自适应阈值中的至少一个时，基于比较来检测运动。 在一些实施例中，检测运动可以包括对其中检测到运动的宏块执行空间 - 时间滤波，或对至少一个非运动宏块执行空间 - 时间滤波。

公开(公告)号：US20150058003A1

公开(公告)日：2015-02-26

申请号：US13974399

申请日：2013-08-23

Applicant: Honeywell International Inc.

Inventor： Mohammed Ibrahim Mohideen ,  Yadhunandan Us

IPC: G10L15/20

CPC classification number: G10L15/20 ,  G10L2015/226 ,  G10L2015/227 ,  G10L2021/02166

Abstract: A system includes a speech recognition processor, a depth sensor coupled to the speech recognition processor, and an array of microphones coupled to the speech recognition processor. The depth sensor is operable to calculate a distance and a direction from the array of microphones to a source of audio data. The speech recognition processor is operable to select an acoustic model as a function of the distance and the direction from the array of microphones to the source of audio data. The speech recognition processor is operable to apply the distance measure in the microphone array beam formation so as to boost portions of the signals originating from the source of audio data and to suppress portions of the signals resulting from noise.

Abstract translation: 系统包括语音识别处理器，耦合到语音识别处理器的深度传感器以及耦合到语音识别处理器的麦克风阵列。 深度传感器可操作以计算从麦克风阵列到音频数据源的距离和方向。 语音识别处理器可操作以根据从麦克风阵列到音频数据源的距离和方向来选择声学模型。 语音识别处理器可操作以将麦克风阵列波束形成中的距离测量应用于升高来自音频数据源的信号的部分，并抑制由噪声引起的信号的部分。

公开(公告)号：US09497479B2

公开(公告)日：2016-11-15

申请号：US14696258

申请日：2015-04-24

Applicant: HONEYWELL INTERNATIONAL INC.

Inventor： Yadhunandan Us ,  Gurumurthy Swaminathan ,  Kwong Wing Au

IPC: H04N19/51 ,  H04N19/137 ,  G06K9/00 ,  H04N19/503 ,  H04N19/176 ,  H04N19/48

CPC classification number: H04N19/139 ,  G06K9/00624 ,  H04N19/117 ,  H04N19/137 ,  H04N19/176 ,  H04N19/48 ,  H04N19/503 ,  H04N19/51

Abstract: A method and apparatus wherein the method includes the steps of parsing a stream of compressed video, obtaining macroblock size information from the parsed stream, computing factors derived from the macroblock size, wherein the factors include a normalized bit size, a bit size ratio and a neighbor score, computing corresponding adaptive threshold values derived from the relative frame characteristics of the compressed video, comparing the factors derived from the macroblock size information with the corresponding adaptive threshold values and detecting motion based upon combinations of the comparisons when the factors exceed the threshold value.

公开(公告)号：US10321132B2

公开(公告)日：2019-06-11

申请号：US15228635

申请日：2016-08-04

Applicant: Honeywell International Inc.

Inventor： Yadhunandan Us ,  Gurumurthy Swaminathan ,  Kwong Wing Au

IPC: G06K9/00 ,  H04N19/48 ,  H04N19/51 ,  H04N19/117 ,  H04N19/137 ,  H04N19/139 ,  H04N19/503 ,  H04N19/176

Abstract: Systems and methods for detecting motion in compressed video are provided. Some methods can include parsing a stream of compressed video, obtaining macroblock size information from the parsed stream, computing factors derived from the macroblock size information, computing adaptive threshold values derived from relative frame characteristics of the compressed video, comparing the factors derived from the macroblock size information with the adaptive threshold values, and detecting motion based upon the comparing when at least one of the factors exceeds at least one of the adaptive threshold values. In some embodiments, detecting the motion can include performing spatio-temporal filtering on macroblocks in which the motion is detected or performing spatio-temporal filtering on at least one non-motion macroblock.

公开(公告)号：US20140233792A1

公开(公告)日：2014-08-21

申请号：US13772012

申请日：2013-02-20

Applicant: Honeywell International Inc.

Inventor： Yadhunandan Us ,  Gurumurthy Swaminathan ,  Kwong Wing Au

IPC: G06K9/00

CPC classification number: H04N19/139 ,  G06K9/00624 ,  H04N19/117 ,  H04N19/137 ,  H04N19/176 ,  H04N19/48 ,  H04N19/503 ,  H04N19/51

Abstract: A method and apparatus wherein the method includes the steps of parsing a stream of compressed video, obtaining macroblock size information from the parsed stream, computing factors derived from the macroblock size, wherein the factors include a normalized bit size, a bit size ratio and a neighbor score, computing corresponding adaptive threshold values derived from the relative frame characteristics of the compressed video, comparing the factors derived from the macroblock size information with the corresponding adaptive threshold values and detecting motion based upon combinations of the comparisons when the factors exceed the threshold value.

Abstract translation: 一种方法和装置，其中所述方法包括解析压缩视频流，从解析流获得宏块大小信息，从宏块大小导出的计算因子，其中所述因素包括归一化比特大小，比特大小比率和 计算从压缩视频的相对帧特征导出的对应的自适应阈值，将从宏块大小信息导出的因子与相应的自适应阈值进行比较，并且当因子超过阈值时基于比较的组合来检测运动 。

公开(公告)号：US09847082B2

公开(公告)日：2017-12-19

申请号：US13974399

申请日：2013-08-23

Applicant: Honeywell International Inc.

Inventor： Mohammed Ibrahim Mohideen ,  Yadhunandan Us

IPC: G10L15/20 ,  G10L15/22 ,  G10L21/0216

CPC classification number: G10L15/20 ,  G10L2015/226 ,  G10L2015/227 ,  G10L2021/02166

Abstract: A system includes a speech recognition processor, a depth sensor coupled to the speech recognition processor, and an array of microphones coupled to the speech recognition processor. The depth sensor is operable to calculate a distance and a direction from the array of microphones to a source of audio data. The speech recognition processor is operable to select an acoustic model as a function of the distance and the direction from the array of microphones to the source of audio data. The speech recognition processor is operable to apply the distance measure in the microphone array beam formation so as to boost portions of the signals originating from the source of audio data and to suppress portions of the signals resulting from noise.

公开(公告)号：US09053366B2

公开(公告)日：2015-06-09

申请号：US13772012

申请日：2013-02-20

Applicant: Honeywell International Inc.

Inventor： Yadhunandan Us ,  Gurumurthy Swaminathan ,  Kwong Wing Au

IPC: G06K9/00 ,  H04N19/503 ,  H04N19/176 ,  H04N19/48

CPC classification number: H04N19/139 ,  G06K9/00624 ,  H04N19/117 ,  H04N19/137 ,  H04N19/176 ,  H04N19/48 ,  H04N19/503 ,  H04N19/51

Abstract: A method and apparatus wherein the method includes the steps of parsing a stream of compressed video, obtaining macroblock size information from the parsed stream, computing factors derived from the macroblock size, wherein the factors include a normalized bit size, a bit size ratio and a neighbor score, computing corresponding adaptive threshold values derived from the relative frame characteristics of the compressed video, comparing the factors derived from the macroblock size information with the corresponding adaptive threshold values and detecting motion based upon combinations of the comparisons when the factors exceed the threshold value.

Abstract translation: 一种方法和装置，其中所述方法包括解析压缩视频流，从解析流获得宏块大小信息，从宏块大小导出的计算因子，其中所述因素包括归一化比特大小，比特大小比率和 计算从压缩视频的相对帧特征导出的对应的自适应阈值，将从宏块大小信息导出的因子与相应的自适应阈值进行比较，并且当因子超过阈值时基于比较的组合来检测运动 。