公开(公告)号：US20180234603A1

公开(公告)日：2018-08-16

申请号：US15591909

申请日：2017-05-10

Applicant: Novadaq Technologies Inc.

Inventor： Frederick Allen MOORE ,  Anton Walter LAMPRECHT ,  Lesley Myron OTSIG ,  Paul Roald WESTWICK ,  Muhammad Nasir al-Din bin ZULKAFLY ,  Gavin Michael MURRAY ,  Adam John TYNAN ,  James Elliott CAMERON ,  Gregory Vincent BROWNE ,  Isabelle FONTAINE ,  Bernard HARRIS

IPC: H04N5/225 ,  H04N5/33 ,  H04N5/232 ,  H04N5/235 ,  A61B1/06 ,  A61B1/04

CPC classification number: H04N5/2259 ,  A61B1/043 ,  A61B1/06 ,  A61B5/0071 ,  A61B5/0075 ,  G01N21/6456 ,  H04N5/2251 ,  H04N5/2254 ,  H04N5/2256 ,  H04N5/23245 ,  H04N5/2351 ,  H04N5/2352 ,  H04N5/2354 ,  H04N5/332 ,  H04N9/04551

Abstract: An imaging device having an imaging field of view, the imaging device including at least one illumination port configured to output light for illuminating a target; an imaging sensor to detect light traveling along an optical path to the imaging sensor; and a first movable window positioned upstream of the sensor with respect to a direction of travel of light along the optical path, wherein the first movable window is configured to move into the optical path in a deployed position for modifying light received from the target.

公开(公告)号：US20160328848A1

公开(公告)日：2016-11-10

申请号：US15148959

申请日：2016-05-06

Applicant: Novadaq Technologies Inc.

Inventor： Marc ANDRÉ ,  Arthur E. BAILEY ,  Paul Roald WESTWICK

IPC: G06T7/00 ,  H04N1/48 ,  H04N1/60 ,  H04N9/04

CPC classification number: G06T7/0012 ,  A61B5/0059 ,  A61B5/0062 ,  A61B5/0075 ,  A61B5/0261 ,  A61B5/445 ,  G01N2021/479 ,  G06T7/90 ,  G06T2207/10004 ,  G06T2207/10024 ,  G06T2207/30104 ,  H04N1/482 ,  H04N1/603 ,  H04N1/6086

Abstract: Methods and systems for imaging tissue of a subject are disclosed, and involve illuminating the tissue with a coherent light having a coherent wavelength, acquiring image data of the tissue using a color image sensor, and processing the image data using laser speckle contrast analysis while correcting for differences in sensitivity of color pixels at the coherent wavelength to generate a perfusion image of the tissue. The perfusion image is then displayed to the user. Also disclosed are methods and systems for correcting for ambient light and for acquiring white light images along with laser speckle images.

Abstract translation: 公开了用于成像对象的组织的方法和系统，并且涉及用具有相干波长的相干光来照射组织，使用彩色图像传感器获取组织的图像数据，以及使用激光散斑对比分析来处理图像数据，同时校正 对于在相干波长处的彩色像素的灵敏度的差异来产生组织的灌注图像。 然后将灌注图像显示给用户。 还公开了用于校正环境光并用于获取白光图像以及激光散斑图像的方法和系统。

公开(公告)号：US20170354392A1

公开(公告)日：2017-12-14

申请号：US15623100

申请日：2017-06-14

Applicant: Novadaq Technologies Inc.

Inventor： John J.P. FENGLER ,  Paul Roald WESTWICK ,  Frederick Allen MOORE

IPC: A61B6/00 ,  G06F19/00 ,  H04N5/235 ,  G02B23/12 ,  G06T5/00

CPC classification number: A61B6/5205 ,  A61B1/00009 ,  A61B1/00186 ,  A61B1/043 ,  A61B1/045 ,  A61B1/05 ,  A61B1/0638 ,  A61B1/0646 ,  A61B1/0669 ,  A61B1/0684 ,  A61B1/07 ,  A61B1/3132 ,  A61B5/0071 ,  A61B5/1121 ,  A61B5/6869 ,  A61B5/6875 ,  A61B5/7221 ,  A61B5/7264 ,  A61B6/481 ,  A61B2505/05 ,  A61B2562/0219 ,  A61B2562/0233 ,  A61B2576/00 ,  G02B23/12 ,  G06F19/321 ,  G06T5/001 ,  G06T5/50 ,  G06T2207/10064 ,  G06T2207/10068 ,  G06T2207/20008 ,  G06T2207/30004 ,  H04N5/23232 ,  H04N5/235 ,  H04N5/2354 ,  H04N5/332 ,  H04N2005/2255

Abstract: Adaptive imaging methods and systems for generating enhanced low light video of an object for medical visualization are disclosed and include acquiring, with an image acquisition assembly, a sequence of reference frames and/or a sequence of low light video frames depicting the object, assessing relative movement between the image acquisition assembly and the object based on at least a portion of the acquired sequence of reference video frames or the acquired sequence of low light video frames, adjusting a level of image processing of the low light video frames based at least in part on the relative movement between the image acquisition assembly and the object, and generating a characteristic low light video output from a quantity of the low light video frames, wherein the quantity of the low light video frames is based on the adjusted level of image processing of the low light video frames.

公开(公告)号：US20170142314A1

公开(公告)日：2017-05-18

申请号：US15348664

申请日：2016-11-10

Applicant: NOVADAQ TECHNOLOGIES INC.

Inventor： Frederick Allen Moore ,  Anton Walter LAMPRECHT ,  Lesley Myron OTSIG ,  Paul Roald WESTWICK ,  Muhammad Nasir al-Din bin ZULKAFLY ,  Gavin Michael MURRAY ,  Adam John TYNAN ,  James Elliott CAMERON ,  Gregory Vincent BROWNE ,  Isabelle FONTAINE

IPC: H04N5/235 ,  H04N5/225

CPC classification number: H04N5/2354 ,  A61B46/10 ,  A61B90/30 ,  A61B90/361 ,  A61B2017/00477 ,  A61B2090/306 ,  A61B2090/309 ,  A61B2090/3941 ,  H04N5/2252 ,  H04N5/2256 ,  H04N5/2351

Abstract: An imaging device may include a first illumination port to output first light having a first illumination distribution at a target to illuminate the target, a second illumination port to output second light having a second illumination distribution at the target to illuminate the target, the second illumination distribution being substantially similar to the first illumination distribution at the target, the second illumination port being spaced apart from the first illumination port, the first and second illumination distributions being simultaneously provided to the target and overlapping at the target. The illumination from the first and second ports may be matched to a same aspect ratio and field of view coverage as the imaging field of view.