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51. 发明申请

US20070098379A1 IN VIVO AUTONOMOUS CAMERA WITH ON-BOARD DATA STORAGE OR DIGITAL WIRELESS TRANSMISSION IN REGULATORY APPROVED BAND 有权
标题翻译：在自适应摄像机中使用板载数据存储或数字无线传输在监管批准的带
公开(公告)号：US20070098379A1
公开(公告)日：2007-05-03
申请号：US11533304
申请日：2006-09-19
申请人： Kang-Huai Wang , Gordon Wilson
发明人： Kang-Huai Wang , Gordon Wilson
IPC分类号： G03B41/00
CPC分类号： H04N5/232 , A61B1/00009 , A61B1/00016 , A61B1/0002 , A61B1/00029 , A61B1/00032 , A61B1/00036 , A61B1/041 , A61B1/0684 , A61B5/0031 , A61B5/01 , A61B5/03 , A61B5/073 , A61B5/14539 , A61B5/7232 , H04N19/105 , H04N19/137 , H04N19/172 , H04N19/423 , H04N2005/2255
摘要： A capsule camera apparatus includes a swallowable housing, a light source within the housing, a camera within the housing for capturing a first digital image and a second digital image of a view of the camera illuminated by the light source, a a motion detector that detects a motion of the housing using the first digital image and the second digital image, and a motion evaluator that selects a disposition of the second digital image, based on a metric on the motion. The disposition may include writing the second image into an archival storage or providing the second digital image to the outside by a wireless communication link.
摘要翻译：一种胶囊照相机装置，包括一个可吞食的外壳，一个在该外壳内的光源，一个位于外壳内的照相机，用于捕获由光源照亮的第一数字图像和第二数字图像;摄像机，使用第一数字图像和第二数字图像的壳体的运动，以及基于运动的度量来选择第二数字图像的配置的运动评估器。该配置可以包括将第二图像写入归档存储器或通过无线通信链路将第二数字图像提供给外部。

52. 发明授权

US09041785B2 Multiple capsule camera apparatus and methods for using the same 有权
标题翻译：多胶囊相机装置及其使用方法
公开(公告)号：US09041785B2
公开(公告)日：2015-05-26
申请号：US13609253
申请日：2012-09-11
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： A61B1/00 , A61B1/04 , H04N7/18 , A61B1/06
CPC分类号： A61B1/00029 , A61B1/00016 , A61B1/0002 , A61B1/00032 , A61B1/00036 , A61B1/041 , A61B1/0684 , A61B2560/0209 , H04N7/185
摘要： A multiple capsule camera apparatus is disclosed to enhance the rate of detection and/or extend the overall imaging period. The multiple capsule camera apparatus coordinates the operations of the camera according to a schedule so that one camera may enter an active mode when the other camera is anticipated to have a low battery level. The capsule cameras may also coordinate their operations by communication with each other through a wireless link. A base station may also be used to coordinate the capsule camera operations with a wireless link established between the base station and each capsule camera.
摘要翻译：公开了一种多胶囊照相机装置，以增强检测速率和/或延长整个成像周期。多个胶囊相机装置根据时间表来协调相机的操作，使得当另一个相机预期具有低的电池电量时，一个相机可以进入主动模式。胶囊相机还可以通过无线链路彼此通信来协调它们的操作。还可以使用基站来与基站和每个胶囊相机之间建立的无线链路协调胶囊相机操作。

53. 发明授权

US09025017B2 Detection of when a capsule camera enters into or goes out of a human body and associated operations 有权
标题翻译：检测胶囊相机何时进入或离开人体并进行相关操作
公开(公告)号：US09025017B2
公开(公告)日：2015-05-05
申请号：US13372101
申请日：2012-02-13
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： H04N7/18 , A61B1/04 , A61B5/06 , A61B5/00
CPC分类号： A61B1/041 , A61B5/06 , A61B5/42 , H04N17/002
摘要： A method for detecting a capsule camera entering into or exiting the GI tract, includes (a) taking a first test image under the condition that an illumination system of the capsule camera is disabled; (b) taking a second test image under the same condition as the first test image; (c) comparing selected corresponding pixel values of the first test image and the second test image to determine if a significant change in pixel values has occurred; and (d) upon detecting the significant change in pixel values, determining if the capsule camera has entered or exited the GI tract, and performing operations appropriate to follow such determination.
摘要翻译：一种用于检测进入或离开GI道的胶囊相机的方法，包括：（a）在禁用胶囊相机的照明系统的条件下拍摄第一测试图像; （b）在与第一测试图像相同的条件下拍摄第二测试图像; （c）比较所选择的第一测试图像和第二测试图像的相应像素值，以确定是否发生像素值的显着变化; 以及（d）在检测到像素值的显着变化时，确定胶囊照相机是否进入或退出胃肠道，以及执行适合于遵循这种确定的操作。

54. 发明授权

US08405711B2 Methods to compensate manufacturing variations and design imperfections in a capsule camera 有权
标题翻译：补偿胶囊相机中制造变化和设计缺陷的方法
公开(公告)号：US08405711B2
公开(公告)日：2013-03-26
申请号：US11926640
申请日：2007-10-29
申请人： Kang-Huai Wang , Gordon Wilson
发明人： Kang-Huai Wang , Gordon Wilson
IPC分类号： H04N9/47 , H04N17/00
CPC分类号： A61B1/041 , A61B1/00057 , A61B1/00059 , A61B1/0684 , H04N5/2251 , H04N5/361 , H04N5/3651 , H04N5/3655 , H04N17/002 , H04N2005/2255
摘要： A method is provided for characterizing manufacturing variations in a camera and imperfections in its operating environment to allow images captured by the camera to be compensated for these defects. In one embodiment, a method for characterizing a camera includes: (a) illuminating a field of view of the optical elements under a controlled condition; (b) exposing multiple images onto the image sensor under the controlled condition; (c) extracting parameter values of a model for the image provided on the image sensor from the multiple images; and (d) compensating images taken subsequently in the camera using the parameter values. The objects in the field of view may have a predetermined color, contrast or pattern. In one instance, the controlled condition includes an external light source for illuminating the field of view, and the image sensor is sensitive to a plurality of color components. The field of view may be illuminated at a predetermined light intensity for each of the color components. The camera may include an archival memory for storing the images taken. Alternatively, the camera may include a transmitter for sending images taken to an external depository. The camera may also be associated with an identification, and the transmitter sends the images together with the identification to identify the images sent.
摘要翻译：提供了一种用于表征相机中的制造变化和其操作环境中的缺陷的方法，以允许由相机拍摄的图像补偿这些缺陷。在一个实施例中，用于表征照相机的方法包括：（a）在受控状态下照射光学元件的视场; （b）在受控条件下将多个图像曝光到图像传感器上; （c）从多个图像提取图像传感器上提供的图像的模型的参数值; 和（d）使用参数值补偿相机中随后拍摄的图像。视野中的物体可以具有预定的颜色，对比度或图案。在一种情况下，受控条件包括用于照明视野的外部光源，并且图像传感器对多个颜色分量敏感。对于每个颜色分量，视野可以以预定的光强度照亮。相机可以包括用于存储拍摄的图像的档案存储器。或者，相机可以包括发送器，用于发送拍摄到外部存储器的图像。相机也可以与识别相关联，并且发射器将图像与识别符一起发送以识别所发送的图像。

55. 发明申请

US20120169859A1 DETECTION OF WHEN A CAPSULE CAMERA ENTERS INTO OR GOES OUT OF A HUMAN BODY AND ASSOCIATED OPERATIONS 审中-公开
标题翻译：检查胶囊摄像机进入或进入人体和相关操作时
公开(公告)号：US20120169859A1
公开(公告)日：2012-07-05
申请号：US13372101
申请日：2012-02-13
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： H04N7/18
CPC分类号： A61B1/041 , A61B5/06 , A61B5/42 , H04N17/002
摘要： A method for detecting a capsule camera entering into or exiting the GI tract, includes (a) taking a first test image under the condition that an illumination system of the capsule camera is disabled; (b) taking a second test image under the same condition as the first test image; (c) comparing selected corresponding pixel values of the first test image and the second test image to determine if a significant change in pixel values has occurred; and (d) upon detecting the significant change in pixel values, determining if the capsule camera has entered or exited the GI tract, and performing operations appropriate to follow such determination.
摘要翻译：一种用于检测进入或离开GI道的胶囊相机的方法，包括：（a）在禁用胶囊相机的照明系统的条件下拍摄第一测试图像; （b）在与第一测试图像相同的条件下拍摄第二测试图像; （c）比较所选择的第一测试图像和第二测试图像的相应像素值，以确定是否发生像素值的显着变化; 以及（d）在检测到像素值的显着变化时，确定胶囊照相机是否进入或退出胃肠道，以及执行适合于遵循这种确定的操作。

56. 发明授权

US08187174B2 Detection of when a capsule camera enters into or goes out of a human body and associated operations 有权
标题翻译：检测胶囊相机何时进入或离开人体并进行相关操作
公开(公告)号：US08187174B2
公开(公告)日：2012-05-29
申请号：US11625647
申请日：2007-01-22
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： A61B1/00 , G06K9/00
CPC分类号： A61B1/041 , A61B5/06 , A61B5/42 , H04N17/002
摘要： A method for detecting a capsule camera entering into or exiting the GI tract, includes (a) taking a first test image under the condition that an illumination system of the capsule camera is disabled; (b) taking a second test image under the same condition as the first test image; (c) comparing selected corresponding pixel values of the first test image and the second test image to determine if a significant change in pixel values has occurred; and (d) upon detecting the significant change in pixel values, determining if the capsule camera has entered or exited the GI tract, and performing operations appropriate to follow such determination. The appropriate operations performed after detecting the capsule camera's exit from the GI tract includes stopping further taking or storing of images and, optionally, activating an audio signal to indicate the capsule camera has exited the GI tract. The appropriate operations performed after detecting the capsule camera's entering into the GI tract includes entering into an imaging mode for a next section of the GI tract, which may be the esophagus.
摘要翻译：一种用于检测进入或离开GI道的胶囊相机的方法，包括：（a）在禁用胶囊相机的照明系统的条件下拍摄第一测试图像; （b）在与第一测试图像相同的条件下拍摄第二测试图像; （c）比较所选择的第一测试图像和第二测试图像的相应像素值，以确定是否发生像素值的显着变化; 以及（d）在检测到像素值的显着变化时，确定胶囊照相机是否进入或退出胃肠道，以及执行适合于遵循这种确定的操作。在检测胶囊相机离开胃肠道的出口之后进行的适当的操作包括停止进一步拍摄或存储图像，并且可选地激活音频信号以指示胶囊相机已经退出胃肠道。在检测胶囊相机进入胃肠道之后执行的适当操作包括进入可能是食道的胃肠道下一部分的成像模式。

57. 发明申请

US20100220179A1 Systems and Methods for Capsule Camera Control 有权
标题翻译：胶囊相机控制系统与方法
公开(公告)号：US20100220179A1
公开(公告)日：2010-09-02
申请号：US12776428
申请日：2010-05-10
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： H04N7/18
CPC分类号： A61B1/041 , A61B1/00009 , A61B1/00016 , A61B1/0002 , A61B1/00036 , A61B1/0684 , A61B5/0031 , A61B5/01 , A61B5/03 , A61B5/073 , A61B5/14539 , A61B2560/0209 , H04N5/232 , H04N5/2354 , H04N2005/2255
摘要： Systems and methods are provided for environment change sensing corresponding to the capsule camera entering the colon from the small intestine. In the environment change sensing mode, the capsule camera is operated in a very low power mode by configuring the image sensor to use a small region of interest or a high sub-sampling ratio. Image data is processed to estimate the light level. The variation of light level is used to detect environment change corresponding to entering the colon from the small intestine. Alternatively, the motion metric for a current frame and a reference frame is evaluated. The characteristic of the motion metric is extracted and used to detect environment change. In another configuration, the system determines environment change based on a combination of the variation of light intensity and the characteristic of the motion metric. Upon the detection of capsule camera entrance into the colon from the small intestine, control signals are provided to the image sensor and the light source.
摘要翻译：提供系统和方法用于对应于从小肠进入结肠的胶囊相机的环境变化感测。在环境变化感测模式中，通过将图像传感器配置为使用小的感兴趣区域或高次采样比率，胶囊相机以非常低的功率模式操作。处理图像数据以估计光照水平。光级别的变化用于检测对应于从小肠进入结肠的环境变化。或者，评估当前帧和参考帧的运动度量。提取运动量度的特征，用于检测环境变化。在另一种配置中，系统基于光强度的变化和运动度量的特性的组合来确定环境变化。当检测到胶囊相机从小肠进入结肠时，控制信号被提供给图像传感器和光源。

58. 发明申请

US20090322865A1 IMAGE CAPTURE CONTROL FOR IN VIVO AUTONOMOUS CAMERA 有权
标题翻译：自动摄像机的图像捕获控制
公开(公告)号：US20090322865A1
公开(公告)日：2009-12-31
申请号：US12543508
申请日：2009-08-19
申请人： Kang-Huai Wang , Tong Wu
发明人： Kang-Huai Wang , Tong Wu
IPC分类号： H04N7/18 , H04N5/228
CPC分类号： H04N5/232 , A61B1/00009 , A61B1/00016 , A61B1/0002 , A61B1/00029 , A61B1/00032 , A61B1/00036 , A61B1/041 , A61B1/0684 , A61B5/0031 , A61B5/01 , A61B5/03 , A61B5/073 , A61B5/14539 , A61B5/7232 , H04N19/105 , H04N19/137 , H04N19/172 , H04N19/423 , H04N2005/2255
摘要： Systems and methods are provided for motion detection and capture control of video data from a capsule camera system having an on-board storage. The capsule camera system moves through the GI tract under the action of peristalsis and records images of the intestinal walls. The capsule's movement is episodic and jerky. The capacity of the on-board storage is limited. In order to avoid unnecessary capture of images when the capsule camera moves very slowly or stalls, motion detection technique is utilized to help control image capture. Furthermore, an adaptive capture control is disclosed that automatically adjusts the threshold level of capture control to maintain proper image capture. The invented capture control also conserves precious battery power by eliminating capture of unnecessary images when the capsule camera moves too slowly or stalls. The present invention of image capture control and threshold update is also applicable to a capsule camera system having a wireless transmitter instead of an on-board storage.
摘要翻译：提供了系统和方法用于具有车载存储的胶囊相机系统的视频数据的运动检测和捕获控制。胶囊相机系统在蠕动作用下通过胃肠道移动，并记录肠壁的图像。胶囊的运动是偶然和剧烈的。机载存储的容量有限。为了避免在胶囊相机移动非常缓慢或停止时不必要地捕获图像，运动检测技术被用于帮助控制图像捕获。此外，公开了自适应捕获控制，其自动调整捕获控制的阈值水平以保持适当的图像捕获。本发明的捕获控制还通过在胶囊相机移动太慢或失速时消除不必要的图像的捕获来节省宝贵的电池电量。图像捕获控制和阈值更新的本发明也适用于具有无线发射器而不是机载存储的胶囊相机系统。

59. 发明授权

US07495993B2 Onboard data storage and method 有权
标题翻译：板载数据存储和方法
公开(公告)号：US07495993B2
公开(公告)日：2009-02-24
申请号：US11552880
申请日：2006-10-25
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： G11C8/00
CPC分类号： G03B37/005 , A61B1/0002 , A61B1/00036 , A61B1/041 , A61B5/7232 , G11C7/1018 , G11C7/1021 , G11C8/04 , G11C8/08 , G11C16/10 , H04N5/2252
摘要： A semiconductor memory device and an associated method suitable for use in specific applications with predictable memory access pattern, such as in a capsule camera. The memory device takes advantage of the memory access pattern to simplify address processing circuit to realize savings in power and silicon area. Because random access to the semiconductor device is not required, the interface from external to the semiconductor device is also simplified by eliminating at least the address port that is used to specify the memory locations accessed. The method is applicable not only to non-volatile memory technologies (e.g., flash memory), it is also applicable to volatile memory technologies, such as transient charge storage-based memory circuits (e.g., DRAMs) and metastable states-based memory circuits (e.g., SRAMs).
摘要翻译：一种半导体存储器件和适用于具有可预测的存储器访问模式的特定应用的相关联的方法，例如在胶囊相机中。存储器件利用存储器访问模式来简化地址处理电路，以实现功率和硅面积的节省。由于不需要对半导体器件的随机访问，所以通过至少消除用于指定所访问的存储器位置的地址端口也简化了从外部到半导体器件的接口。该方法不仅适用于非易失性存储器技术（例如闪速存储器），还适用于诸如基于瞬态电荷存储的存储器电路（例如，DRAM）和亚稳态状态存储器电路（例如，例如，SRAM）。

60. 发明申请

US20070116119A1 MOVEMENT DETECTION AND CONSTRUCTION OF AN "ACTUAL REALITY" IMAGE 审中-公开
标题翻译：移动检测和构建“实际现实”图像
公开(公告)号：US20070116119A1
公开(公告)日：2007-05-24
申请号：US11562926
申请日：2006-11-22
申请人： Kang-Huai Wang
发明人： Kang-Huai Wang
IPC分类号： H04N7/12 , H04N11/04
CPC分类号： H04N19/107 , A61B1/041 , H04N19/137 , H04N19/172 , H04N19/426 , H04N19/433 , H04N19/503 , H04N19/51
摘要： A method for intraframe image compression of an image is combined with a method for reducing memory requirements for an interframe image compression. The intraframe image compression includes (a) dividing the image into blocks; (b) selecting a block according to a predetermined sequence; and (c) processing each selected block by: (1) identifying a reference block from previously processed blocks in the image; and (2) using the reference block, compressing the selected block. The selected block may be compressed by compressing a difference between the selected block and the reference block, where the difference may be offset by a predetermined value. The difference is compressed after determining that an activity metric of the difference block exceeds a corresponding activity metric of the selected block. The activity metric is calculated for a block by summing a difference between each pixel value within the block and an average of pixel values within the block. The reference block is identified by: (a) for each of the previously processed blocks, calculating a sum of the absolute difference between that block and the selected block; and (b) selecting as the reference block the previously processed block corresponding to the least of the calculated sums.
摘要翻译：用于图像的帧内图像压缩的方法与用于减少帧间图像压缩的存储器要求的方法组合。帧内图像压缩包括（a）将图像划分成块; （b）根据预定顺序选择块; 和（c）通过以下步骤处理每个所选择的块：（1）从图像中的先前处理的块中识别参考块; 和（2）使用参考块，压缩所选择的块。可以通过压缩所选择的块和参考块之间的差来压缩所选择的块，其中差可以偏移预定值。在确定差异块的活动度量超过所选块的相应活动度量之后，差异被压缩。通过对块内的每个像素值之间的差和块内的像素值的平均值进行求和来计算块的活动度量。参考块通过以下方式识别：（a）对于每个先前处理的块，计算该块与所选块之间的绝对差的和; 和（b）选择与计算出的和的最小值相对应的先前处理的块作为参考块。

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