公开(公告)号：US20130075608A1

公开(公告)日：2013-03-28

申请号：US13597726

申请日：2012-08-29

申请人： Sang-wook HAN ,  Hyun-sik KIM ,  Gyu-Hyeong CHO ,  Chang-jung KIM ,  Jae-chul PARK ,  Young-hun SUNG ,  Young KIM ,  Jun-hyeok YANG

发明人： Sang-wook HAN ,  Hyun-sik KIM ,  Gyu-Hyeong CHO ,  Chang-jung KIM ,  Jae-chul PARK ,  Young-hun SUNG ,  Young KIM ,  Jun-hyeok YANG

IPC分类号： G01T1/16 ,  H03F3/45 ,  H03F1/34

CPC分类号： G01T1/247 ,  G01T1/17 ,  H04N5/374 ,  H04N5/378

摘要： According to example embodiments, an image sensor includes a charge sensing amplifier configured to amplify charges sensed by a sensing unit. The charge sensing amplifier includes an input terminal, an amplification terminal, an output terminal, a first capacitor connected between the input terminal and the amplification terminal, a first switch connected between the input terminal and the amplification terminal, a second capacitor connected between the amplification terminal and the output terminal, and a second switch connected between the output terminal and a reference voltage terminal.

摘要翻译： 根据示例实施例，图像传感器包括被配置为放大由感测单元感测的电荷的电荷感测放大器。 电荷感测放大器包括输入端子，放大端子，输出端子，连接在输入端子和放大端子之间的第一电容器，连接在输入端子和放大端子之间的第一开关，连接在放大器之间的第二电容器 端子和输出端子，以及连接在输出端子和参考电压端子之间的第二开关。

公开(公告)号：US20130161492A1

公开(公告)日：2013-06-27

申请号：US13586183

申请日：2012-08-15

申请人： Sang-wook HAN ,  Hyun-sik KIM ,  Young-hun SUNG ,  Jun-hyeok YANG ,  Gyu-hyeong CHO

发明人： Sang-wook HAN ,  Hyun-sik KIM ,  Young-hun SUNG ,  Jun-hyeok YANG ,  Gyu-hyeong CHO

IPC分类号： H03K17/00 ,  H03F1/00 ,  H01J40/14

CPC分类号： A61B6/4241 ,  H03F3/45475 ,  H03F2200/261 ,  H03F2203/45512 ,  H03F2203/45534 ,  H03F2203/45536

摘要： A switching circuit, a charge sense amplifier, and a photon counting device are provided. The switching circuit configured to close and open a connection between a first terminal and a second terminal of a predetermined circuit element, includes: a first transistor comprising a source connected to the first terminal, a drain connected to the second terminal, and a gate; a second transistor comprising a drain, a source, and a gate connected to the drain of the second transistor; a current source configured to supply a current flowing through the drain and the source of the second transistor, to generate a gate voltage of the gate of the second transistor; and a multiplexer configured to receive the gate voltage, a reference voltage, and a control signal, and selectively apply the gate voltage or the reference voltage to the gate of the first transistor based on the control signal.

摘要翻译： 提供开关电路，电荷读出放大器和光子计数装置。 所述开关电路被配置为关闭并打开预定电路元件的第一端子和第二端子之间的连接，所述开关电路包括：第一晶体管，包括连接到所述第一端子的源极，连接到所述第二端子的漏极和栅极; 第二晶体管，包括连接到第二晶体管的漏极的漏极，源极和栅极; 电流源，被配置为提供流过所述第二晶体管的漏极和源极的电流，以产生所述第二晶体管的栅极的栅极电压; 以及多路复用器，其被配置为接收所述栅极电压，参考电压和控制信号，并且基于所述控制信号选择性地将栅极电压或参考电压施加到所述第一晶体管的栅极。

公开(公告)号：US20120063662A1

公开(公告)日：2012-03-15

申请号：US13178838

申请日：2011-07-08

申请人： Jae-hyun KWON ,  Sung-su KIM ,  Hyun-hwa OH ,  Seong-deok LEE ,  Young-hun SUNG

发明人： Jae-hyun KWON ,  Sung-su KIM ,  Hyun-hwa OH ,  Seong-deok LEE ,  Young-hun SUNG

IPC分类号： G06K9/00

CPC分类号： G06T5/009 ,  G06T5/003 ,  G06T2207/10116 ,  G06T2207/30004

摘要： An image processing apparatus is provided. The image processing apparatus includes an extraction unit configured to extract a low-frequency band component and a high-frequency band component from a radiation image formed by passing through a subject, a contrast enhancement processing unit configured to perform a contrast enhancement process to the extracted low-frequency band component, a detail enhancement processing unit configured to perform a detail enhancement process to the extracted high-frequency band component, a synthesis unit configured to synthesize an image resulting from performing the contrast enhancement process and an image resulting from performing the detail enhancement process, and a generation unit configured to reconstruct the synthesized image and generate a diagnosis image.

摘要翻译： 提供一种图像处理装置。 图像处理装置包括：提取单元，被配置为从通过对象形成的放射线图像中提取低频带分量和高频带分量;对比度增强处理单元，被配置为对所提取的对象增强处理执行对比度增强处理; 低频带分量，被配置为对所提取的高频带分量执行细节增强处理的细节增强处理单元，合成单元，被配置为合成由执行对比度增强处理得到的图像和从执行细节得到的图像 增强处理和生成单元，被配置为重构合成图像并生成诊断图像。

公开(公告)号：US20120101733A1

公开(公告)日：2012-04-26

申请号：US13221322

申请日：2011-08-30

申请人： Seok-min HAN ,  Dong-goo KANG ,  Young-hun SUNG

发明人： Seok-min HAN ,  Dong-goo KANG ,  Young-hun SUNG

IPC分类号： G06K9/00 ,  G06F19/00

CPC分类号： G06T5/50 ,  A61B6/583 ,  G06T5/005 ,  G06T7/0012 ,  G06T2207/10116 ,  G06T2207/30068

摘要： An image processing apparatus is provided. The image processing apparatus includes an image mapping unit for generating a mapping image in which first radiation images of multi-energy bands with respect to a local region of a body are mapped to a second radiation image with respect to a thickness variable phantom, an image analyzing unit for analyzing a reference region corresponding to normal tissue in the local region and a peculiar region corresponding to abnormal tissue in the local region based on the mapping image, and an enhancement image generating unit for generating a tissue enhancement image that has a shape of the local region in the first radiation images and enhances regions of pixel positions, that are mapped to the peculiar region, of the first radiation images.

摘要翻译： 提供一种图像处理装置。 图像处理装置包括图像映射单元，用于生成映射图像，其中相对于身体的局部区域的多能带的第一辐射图像被映射到相对于厚度可变体模的第二辐射图像，图像 分析单元，用于基于所述映射图像分析对应于所述局部区域中的正常组织的参考区域和对应于所述局部区域中的异常组织的特有区域;以及增强图像生成单元，用于生成具有 第一辐射图像中的局部区域和第一辐射图像的映射到特定区域的像素位置的区域增强。