公开(公告)号：US06674906B1

公开(公告)日：2004-01-06

申请号：US09492589

申请日：2000-01-27

Applicant: Yong In Han ,  Hwe-ihn Chung

Inventor： Yong In Han ,  Hwe-ihn Chung

IPC: G06K948

CPC classification number: G06T7/12 ,  G06T2207/30176

Abstract: A method and apparatus for detecting edges by which the detection of the edges of a natural image from an image obtained by mixing the graphic or text and the natural image is suppressed, to thereby stably detect edges of the graphic or the text, are disclosed. In this method, the differences in pixel value between the first pixel of sequentially input images and eight pixels adjacent to the first pixel are obtained. If all of the differences between the first pixel and the eight pixels adjacent to the first pixel are greater than a maximum threshold value or less than a minimum threshold value, the first pixel is determined to be an edge pixel. Likewise, determinations are made as to whether a second pixel, positioned adjacent the first pixel along a first dimension (for example to the left of the first pixel), is an edge pixel and whether a third pixel, positioned adjacent the first pixel along a second dimension (for example above the first pixel), is an edge pixel. Next, if at least one of the first pixel and the second pixel is determined as an edge pixel and if the difference between the first pixel and the second pixel is greater than the maximum threshold value, it is determined that the left edge of the first pixel exists. Also, if at least one of the first pixel and the third pixel is an edge pixel and the difference between the first pixel and the third pixel is greater than the maximum threshold value, it is determined that the upper edge of the first pixel exists.

Abstract translation: 公开了一种用于检测边缘的方法和装置，通过该边缘检测从通过混合图形或文本和自然图像获得的图像中的自然图像的边缘的检测，从而稳定地检测图形或文本的边缘。 在该方法中，获得顺序输入图像的第一像素与与第一像素相邻的八个像素之间的像素值的差异。 如果第一像素与与第一像素相邻的八个像素之间的所有差异大于最大阈值或小于最小阈值，则将第一像素确定为边缘像素。 同样，确定沿着第一维度（例如，第一像素的左侧）定位在第一像素附近的第二像素是否为边缘像素，以及沿着第一像素沿着第一像素位于第一像素周围的第三像素 第二维度（例如高于第一像素）是边缘像素。 接下来，如果第一像素和第二像素中的至少一个被确定为边缘像素，并且如果第一像素和第二像素之间的差大于最大阈值，则确定第一像素和第二像素的左边缘 像素存在。 此外，如果第一像素和第三像素中的至少一个是边缘像素，并且第一像素和第三像素之间的差大于最大阈值，则确定存在第一像素的上边缘。

公开(公告)号：US5133701A

公开(公告)日：1992-07-28

申请号：US596746

申请日：1990-10-15

Applicant: Sang In Han

Inventor： Sang In Han

IPC: A61B19/00 ,  A61M3/02 ,  B65D83/14

CPC classification number: B65D83/64 ,  A61M3/0233 ,  A61M3/0287 ,  B65D83/30 ,  A61B90/05

Abstract: A disposable pressure wound irrigation device is provided having a reservoir of cleansing solution disposed therein and a pressure chamber for providing a force upon the reservoir such that a liquid stream of cleansing solution is expelled at a constant pressure therefrom. Preferably, the propellant chamber will be provided with a regulator valve fitted within the pressure chamber for constantly monitoring the pressure which urges the chamber against the reservoir. An aimable outlet nozzle is provided through which the cleansing solution is expelled, the nozzle directing the flow of the cleansing solution to the wound surface. A release valve is further provided in order to selectively couple the nozzle with the reservoir, such that the cleansing solution may be evacuated therefrom through a passageway formed by a depression of the valve.

Abstract translation: 提供一次性压力伤口冲洗装置，其具有设置在其中的清洁溶液的储存器和用于在储存器上提供力的压力室，使得清洗溶液的液体流以恒定的压力排出。 优选地，推进剂室将设置有调节阀，该调节阀安装在压力室内，用于不断地监测压力使舱抵靠储存器的压力。 提供了一种可瞄准的出口喷嘴，清洁溶液通过该喷嘴排出，喷嘴将清洁溶液的流动引导到伤口表面。 进一步提供释放阀以便选择性地将喷嘴与储存器联接，使得清洁溶液可以通过由阀的凹陷形成的通道从其中排出。