公开(公告)号：US20160302670A1

公开(公告)日：2016-10-20

申请号：US15102030

申请日：2014-12-04

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Su Hyun PARK ,  Sung Chan PARK ,  Jung Ho KIM ,  Jong Keun SONG

IPC: A61B5/00

CPC classification number: A61B5/0095 ,  A61B5/7278 ,  A61B5/742 ,  A61B2560/0437 ,  G01N21/1702

Abstract: Disclosed herein are a photoacoustic imaging apparatus to project a continuous-wave laser beam onto an object to generate a photoacoustic image, and a method of controlling the same.The photoacoustic imaging apparatus include a laser source to generate a continuous-wave (CW) laser beam, a deflection mirror to reflect the CW laser beam to the object while rotating, a transducer to collect acoustic waves generated in the object by the CW laser beam, and an image processor to generate a photoacoustic image based on the collected acoustic waves.

Abstract translation: 光声成像装置包括产生连续波（CW）激光束的激光源，旋转时将CW激光束反射到物体的偏转镜，换能器，以通过CW激光束收集在物体中产生的声波 以及图像处理器，用于基于所收集的声波来生成光声图像。

公开(公告)号：US20150025383A1

公开(公告)日：2015-01-22

申请号：US14328096

申请日：2014-07-10

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joo Young KANG ,  Sung Chan PARK ,  Jung Ho KIM ,  Jong Keun SONG ,  Su Hyun PARK

IPC: A61B8/08 ,  A61B5/00

CPC classification number: A61B8/5207 ,  A61B5/7235 ,  A61B8/56 ,  A61B8/565 ,  G01S7/5205 ,  G01S15/8977

Abstract: Disclosed herein are an ultrasonic imaging apparatus which is capable of accurately and quickly estimating a Point Spread Function (PSF) is usable for restoring ultrasonic images, and a control method which is executable by the ultrasonic imaging apparatus. The ultrasonic imaging apparatus includes: a probe; a receive beamformer configured to beamform an ultrasonic signal and to output the beamformed ultrasonic signal; a Point Spread Function (PSF) database configured to store a PSF which is acquired based on a situational variable, and a phase parameter which is determined based on the situational variable, for the beamformed ultrasonic signal; and an image generator configured to select the PSF and the phase parameter from the PSF database based on the beamformed ultrasonic signal, and to perform deconvolution using an estimated PSF based on the selected PSF and the selected phase parameter in order to generate an image.

Abstract translation: 本文公开了一种超声波成像装置，其能够准确且快速地估计点扩散功能（PSF）可用于恢复超声图像，以及可由超声波成像装置执行的控制方法。 超声波成像装置包括：探针; 接收波束形成器，被配置为波束形成超声信号并输出​​波束形成的超声信号; 点扩散功能（PSF）数据库，其被配置为存储基于情境变量获取的PSF，以及基于所述情境变量确定的所述波束形成的超声波信号的相位参数; 以及图像生成器，其被配置为基于所述波束形成的超声波信号从所述PSF数据库中选择所述PSF和所述相位参数，并且使用基于所选择的PSF和所选择的相位参数的估计PSF来执行去卷积，以生成图像。

公开(公告)号：US20150016226A1

公开(公告)日：2015-01-15

申请号：US14329325

申请日：2014-07-11

Applicant: SAMSUNG ELECTRONICS CO., LTD. ,  Industry Academic Cooperation Foundation, Hallym University

Inventor： Kyu Hong KIM ,  Sung Chan PARK ,  Su Hyun PARK ,  Joo Young KANG ,  Jung Ho KIM ,  Moo Ho BAE

IPC: G10K11/26

CPC classification number: G10K11/346 ,  A61B5/0095 ,  A61B8/4488 ,  G01S7/52047 ,  G01S15/8915

Abstract: Disclosed herein is a beamformer that performs beamforming, including a weight computation processor configured to compute a covariance of a conversion signal which is obtainable by converting an input signal using at least one conversion function, approximate the computed covariance to a Toeplitz matrix form, and compute a conversion signal weight that is a weight for the conversion signal based on the approximation result, and a synthesizer configured to generate an output signal using the conversion signal weight computed by the weight computation processor.

Abstract translation: 本文公开了一种波束形成器，其执行波束形成，包括权重计算处理器，其配置成计算转换信号的协方差，该转换信号可使用至少一个转换函数转换输入信号而获得，将计算的协方差近似为Toeplitz矩阵形式，并计算 转换信号权重，其是基于近似结果的转换信号的权重;以及合成器，被配置为使用由权重计算处理器计算的转换信号权重来生成输出信号。

公开(公告)号：US20180263603A1

公开(公告)日：2018-09-20

申请号：US15980041

申请日：2018-05-15

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joo Young KANG ,  Kyu Hong KIM ,  Bae Hyung KIM ,  Su Hyun PARK ,  Young Ihn KHO ,  Jung Ho KIM ,  Sung Chan PARK

IPC: A61B8/08 ,  G01S15/89 ,  G01S15/50 ,  G01S7/539 ,  G01S7/52

CPC classification number: A61B8/5276 ,  A61B8/08 ,  A61B8/0883 ,  A61B8/52 ,  A61B8/5207 ,  G01S7/52053 ,  G01S7/539 ,  G01S15/50 ,  G01S15/8915 ,  G01S15/8977

Abstract: A medical image processing apparatus includes a weight applier configured to, when a difference between a first imaginary component of a first frame image and a second imaginary component of a second frame image, the second frame image being adjacent to the first frame image, is less than or equal to a first threshold value, apply a first weight to the second imaginary component to increase the difference; and an image generator configured to generate a movement-amplified image based on the first frame image and the second frame image to which the first weight is applied so that a movement of interest corresponding to the increased difference is amplified.

公开(公告)号：US20140336509A1

公开(公告)日：2014-11-13

申请号：US14271853

申请日：2014-05-07

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joo Young KANG ,  Kyu Hong KIM ,  Jung Ho KIM ,  Sung Chan PARK ,  Su Hyun PARK

IPC: A61B8/08 ,  A61B8/00

CPC classification number: A61B8/5292 ,  A61B8/0883 ,  A61B8/4405 ,  A61B8/4444 ,  A61B8/4483 ,  A61B8/483 ,  A61B8/5207 ,  A61B8/5246

Abstract: Disclosed herein are an ultrasonic imaging apparatus and an image display method thereof. The ultrasonic imaging apparatus includes an ultrasonic probe configured to transmit ultrasonic signals toward an object and to receive ultrasonic signals reflected by the object, a beamformer configured to perform beamforming based on the ultrasonic signals received by the ultrasonic probe, and an image processor configured to generate an ultrasonic image of an examined region within the object based on the beamforming, to extract characteristic information which relates to the examined region from the generated ultrasonic image, and to judge whether or not the examined region coincides with a target region based on the extracted characteristic information, thus facilitating a determination as to with which region within the object the examined region corresponds based on various pieces of the characteristic information of the examined region extracted via analysis of the ultrasonic image.

Abstract translation: 这里公开了超声波成像装置及其图像显示方法。 超声波成像装置包括被配置为朝向物体发送超声波信号并接收被物体反射的超声波信号的超声波探头，被配置为基于由超声波探头接收的超声波信号进行波束形成的波束形成器，以及被配置为产生 基于所述波束成形来检测所述对象内的被检查区域的超声波图像，从所生成的超声波图像中提取与被检查区域有关的特征信息，并且基于所提取的特征来判断检查区域是否与目标区域一致 信息，从而根据超声波图像的分析提取的检查区域的特征信息的各个片段，便于确定被检查区域内的哪个区域对应。

公开(公告)号：US20140219050A1

公开(公告)日：2014-08-07

申请号：US14174281

申请日：2014-02-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Chan PARK ,  Joo Young KANG ,  Kyu Hong KIM ,  Jung Ho KIM ,  Su Hyun PARK

IPC: G06T5/00 ,  G01N29/44 ,  G06T7/00

CPC classification number: G01N29/4418 ,  G01S7/52077 ,  G01S15/8977

Abstract: A method of processing an image, including estimating a point spread function (PSF) of an acquired image, and performing image restoration on the acquired image using the estimated PSF based on a generalized Gaussian model using inverse filter frequency domain so as to perform image restoration at high speed and to prevent a halo effect. The method provides high speed processing while preventing a halo effect. The apparatus includes an ultrasonic imaging apparatus including: an ultrasonic probe to irradiate an object with ultrasonic waves and to receive ultrasonic echo waves reflected from the object; a beamformer configured to perform beam forming based on the ultrasonic echo waves received by the ultrasonic probe; an image restorer configured to restore the image beam formed by the beamformer based on a generalized Gaussian model; and an postprocessor configured to suppress noise and aliasing which are produced in the process of restoring the image.

Abstract translation: 一种处理图像的方法，包括估计所获取的图像的点扩散函数（PSF），并且使用基于使用逆滤波器频域的广义高斯模型的估计PSF对所获取的图像执行图像恢复，以执行图像恢复 高速并防止光环效应。 该方法提供高速处理，同时防止光晕效应。 该装置包括：超声波成像装置，包括：超声波探头，用于对物体照射超声波并接收从物体反射的超声回波; 波束形成器，被配置为基于由超声波探头接收的超声波回波进行波束成形; 被配置为基于广义高斯模型恢复由波束形成器形成的图像波束的图像恢复器; 以及配置为抑制在恢复图像的过程中产生的噪声和混叠的后处理器。

公开(公告)号：US20140121516A1

公开(公告)日：2014-05-01

申请号：US14067225

申请日：2013-10-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Kyu Hong KIM ,  Joo Young KANG ,  Jung Ho KIM ,  Sung Chan PARK ,  Su Hyun PARK

IPC: A61B8/08 ,  A61B8/00

CPC classification number: A61B8/5207 ,  A61B8/4405 ,  A61B8/4483 ,  G01S7/52047 ,  G01S15/8915 ,  G01S15/8995 ,  G01S15/8997 ,  G10K11/346

Abstract: Disclosed herein are a beamforming method, a method of determining a beamforming coefficient, and an ultrasonic imaging apparatus. The beamforming method includes radiating a target object with ultrasonic waves and receiving a plurality of ultrasonic signals reflected from the target object, acquiring beamforming computation results of some of the plurality of received ultrasonic signals and determining a beamforming coefficient candidate group based on a beamforming computation result of the some of the received ultrasonic signals, acquiring beamforming computation results of the plurality of received ultrasonic signals or the some of the received ultrasonic signals by applying beamforming coefficients of the beamforming coefficient candidate group and selecting at least one beamforming coefficient from the beamforming coefficient candidate group based on the beamforming computation results of the plurality of ultrasonic signals, and beamforming the plurality of ultrasonic signals using the selected at least one beamforming coefficient as a weight.

Abstract translation: 这里公开了波束形成方法，确定波束成形系数的方法和超声波成像装置。 波束形成方法包括用超声波辐射目标物体并接收从目标物体反射的多个超声波信号，获取多个接收到的超声波信号中的一些的波束成形计算结果，并基于波束成形计算结果确定波束形成系数候选组 通过应用波束形成系数候选组的波束成形系数并从波束成形系数候选中选择至少一个波束成形系数，获取多个接收到的超声波信号的波束形成计算结果或接收到的一些超声波信号 基于多个超声波信号的波束成形计算结果，以及使用所选择的至少一个波束形成系数作为权重来波束成形多个超声波信号。

公开(公告)号：US20140031689A1

公开(公告)日：2014-01-30

申请号：US13952927

申请日：2013-07-29

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Joo Young KANG ,  Sung Chan PARK ,  Kyu Hong KIM ,  Jung Ho KIM

IPC: A61B8/14

CPC classification number: A61B8/14 ,  G01S7/52049 ,  G01S15/8977 ,  G06T5/003 ,  G06T2207/10132

Abstract: An image processing module includes a beamforming unit configured to provide a beamformed signal based on an input signal; a point spread function (PSF) database comprising at least one two-dimensional point spread function obtained based on at least one situational variable of the beamformed signal; and an image generation unit configured to select at least one two-dimensional point spread function from the point spread function database and perform deconvolution using the beamformed signal and the selected at least one two-dimensional point spread function to generate an image of a target portion of an object.

Abstract translation: 一种图像处理模块包括：波束形成单元，被配置为基于输入信号提供波束形成的信号; 包括基于所述波束形成信号的至少一个情境变量获得的至少一个二维点扩散函数的点扩散函数（PSF）数据库; 以及图像生成单元，被配置为从所述点扩散函数数据库中选择至少一个二维点扩展函数，并且使用所述波束形成信号和所选择的至少一个二维点扩展函数来执行去卷积，以生成目标部分的图像 的对象。

公开(公告)号：US20180064420A1

公开(公告)日：2018-03-08

申请号：US15801430

申请日：2017-11-02

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Young Ihn KHO ,  Sun Kwon KIM ,  Sung Chan PARK ,  Hee Sae LEE

IPC: A61B8/00 ,  A61B8/08

CPC classification number: A61B8/464 ,  A61B8/4405 ,  A61B8/4494 ,  A61B8/483 ,  A61B8/5269 ,  A61B8/56 ,  A61B8/565

Abstract: Ultrasonic imaging method includes sequentially emitting by each transducer group of respective regions, into which transducers are divided, focused ultrasonic pulses to a focal point of an object; sequentially acquiring, by each transducer group, ultrasonic echo signals from the focal point based on the emitted ultrasonic pulses; calculating a normal vector of a surface of the object using emission directions of the focused ultrasonic pulses and intensities of the ultrasonic echo signals in correspondence to the focused ultrasonic pulses emitted by three of the transducer groups; calculating an attenuation rate of the ultrasonic echo signals using the normal vector and the emission directions of the focused ultrasonic pulses emitted by the three of the transducer groups, and correcting the ultrasonic echo signals based on the attenuation rate; beamforming the ultrasonic echo signals, an attenuation of which has been corrected, into ultrasonic image signals to be output as an ultrasonic image.

公开(公告)号：US20180000458A1

公开(公告)日：2018-01-04

申请号：US15537717

申请日：2014-12-19

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Sung Chan PARK ,  Jong Keun SONG ,  Joo Young KANG ,  Jung Ho KIM

IPC: A61B8/08 ,  A61B8/00 ,  A61B8/14 ,  G01S15/89 ,  G01S7/52

CPC classification number: A61B8/5276 ,  A61B8/145 ,  A61B8/4488 ,  A61B8/54 ,  G01S7/52034 ,  G01S7/52046 ,  G01S7/52085 ,  G01S15/8915 ,  G01S15/8927 ,  G01S15/8993 ,  G10K11/346

Abstract: In accordance with one aspect of the present disclosure, an ultrasound imaging apparatus comprising: an ultrasonic probe for transmitting ultrasonic waves to a target object and receiving ultrasonic waves reflected from the object; a beamforming unit for beamforming the received ultrasonic wave and outputting a beamforming signal; a sampling unit for adjusting the number of sampling times of the beamforming signal according to the amount of motion of the object; and an image processing unit for matching and synthesizing the sampled signals.