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    • 38. 发明授权
    • Hardware architectures for image dilation and erosion operations
    • 用于图像扩张和侵蚀操作的硬件架构
    • US06192160B1
    • 2001-02-20
    • US08932132
    • 1997-09-18
    • Myung Hoon SunwooSoohwan OngEul-suk LeeTae-Young Choi
    • Myung Hoon SunwooSoohwan OngEul-suk LeeTae-Young Choi
    • G06K942
    • G06K9/44G06T5/30
    • A hardware architecture for mathematical morphology operations such as dilation and erosion of an image signal is provided. A hardware architecture for an image dilation operation includes: a plurality of adders corresponding to the size of the structuring element for adding the image signal and a structuring element symmetrical to the image signal with respect to the origin to output the result; a plurality of stores for temporarily storing the signals output from the plural adders; a comparator for comparing data stored in the plural stores with feedback data to output the maximum data; and an outputting device for outputting the output signal of the comparator as a dilation operation value if the dilation operation with respect to all structuring elements for one image signal is completed and feeding back the output signal of the comparator as input data of the comparator if not. Therefore, the elementary operations such as dilation and erosion with respect to a gray-level image signal can be attained by a simple arithmetic operation, that is, by finding the maximum/minimum value using an adder. Also, since the hardware architecture for the dilation and erosion operations adopts a feedback structure, the volume of the hardware linearly increases even though the size of the structuring element increases in geometrical progression.
    • 提供了用于数学形态学操作的硬件结构,例如图像信号的扩张和侵蚀。 用于图像扩张操作的硬件结构包括:对应于用于添加图像信号的结构元素的大小的多个加法器和与图像信号相对于原点对称的结构元素以输出结果; 多个存储器,用于临时存储从多个加法器输出的信号; 用于将存储在多个存储器中的数据与反馈数据进行比较以输出最大数据的比较器; 以及输出装置,用于如果相对于一个图像信号的所有结构元素的扩张操作完成并输出比较器的输出信号作为扩张操作值,并且将比较器的输出信号作为比较器的输入数据反馈 。 因此,通过简单的算术运算即通过使用加法器求出最大/最小值,可以获得关于灰度图像信号的基本运算,例如扩大和侵蚀。 此外,由于用于扩张和侵蚀操作的硬件架构采用反馈结构,即使结构元件的尺寸在几何进程中增加,硬件的体积线性增加。
    • 39. 发明授权
    • Sphygmomanometer and method for controlling optimum pressurization and
minute exhaustion while measuring blood pressure
    • 血压计和方法,用于在测量血压时控制最佳加压和微小排泄
    • US5662092A
    • 1997-09-02
    • US505603
    • 1995-07-21
    • Tae-Young ChoiSi-Chul LeeYong-Bum Kim
    • Tae-Young ChoiSi-Chul LeeYong-Bum Kim
    • A61B5/0225A61B5/02
    • A61B5/0225
    • A sphygmomanometer for controlling an optimum pressurization and minute exhaustion comprises a cuff which is wrapped around the upper arm of a subject for compressing the brachial artery. The cuff is pressurized with an air pump controlled by a microcontroller. The microcontroller is programmed to terminate the pressurization process at the point the systolic pressure is detected. The microcontroller further controls the exhaustion of air by switching a solenoid valve on and off and thereby negate the need for a costly minute exhaust valve. During the pressurization and depressurization process, pressure waves are transmitted from the brachial artery to a sensor where they are converted to an electrical signal for processing by the microcontroller. The microcontroller computes the systolic and diastolic pressure and routes the data to a display for visual readout.
    • 用于控制最佳加压和微小排泄的血压计包括围绕被检体的上臂包裹以压缩肱动脉的袖带。 袖带用由微控制器控制的空气泵加压。 微控制器被编程为在检测到收缩压的点终止加压过程。 微控制器通过打开和关闭电磁阀来进一步控制空气的耗尽,从而不需要昂贵的分钟排气阀。 在加压和减压过程中,压力波从肱动脉传递到传感器,在那里它们被转换成电信号以供微控制器处理。 微控制器计算收缩压和舒张压,并将数据路由到显示器进行目视读取。
    • 40. 发明授权
    • Optical disk drive device capable of detecting misplacement of optical
disks
    • 能够检测光盘错位的光盘驱动装置
    • US5587982A
    • 1996-12-24
    • US547070
    • 1995-10-23
    • Tae-Young Choi
    • Tae-Young Choi
    • G11B17/02G11B7/0037G11B19/10G11B3/90G11B23/00
    • G11B19/10G11B7/0037
    • An optical disk driving apparatus having a function for preventing misplacement of an optical disk within the optical disk driving apparatus, includes: a main body having an opening through which the optical disk moves in and out of the apparatus; a transfer portion for moving the optical disk into and out from the main body; a driving portion for rotatably driving the optical disk inserted into the main body; an optical pickup for detecting information recorded on the optical disk loaded on the driving portion; at least one light emitting portion for irradiating light upon a surface of the optical disk; at least one light receiving portion for receiving light irradiated by the light emitting portion(s) and reflected by the optical disk to detect the inserted state of the optical disk; and a circuit portion for transmitting information detected by the light receiving portion(s) to the transfer portion so that the optical disk is ejected from the apparatus before being loaded onto the driving portion when the optical disk is misplaced.
    • 具有防止光盘驱动装置中的光盘错放的功能的光盘驱动装置包括:主体,具有开口,光盘通过该开口移入和移出设备; 用于将光盘移入和移出主体的转印部分; 用于可旋转地驱动插入到主体中的光盘的驱动部分; 光拾取器,用于检测记录在装载在驱动部分上的光盘上的信息; 至少一个发光部分,用于将光照射在光盘的表面上; 至少一个光接收部分,用于接收由所述光发射部分照射并由所述光盘反射的光以检测所述光盘的插入状态; 以及电路部分,用于将光接收部分检测到的信息传送到传送部分,使得当光盘放错时,将光盘装载到驱动部分之前从设备中弹出。