公开(公告)号：KR1019940010475B1

公开(公告)日：1994-10-22

申请号：KR1019920002852

申请日：1992-02-25

Applicant: 삼성전자주식회사

Inventor： 강구수 ,  김재호

IPC: H04N1/00

Abstract: The method provides a resolution conversion, without the distortion of an input image, using a line memory that can keep a whole picture precise. This method comprises a CPU (Central Processing Unit) (10), a scanning unit (20) which under the control of the CPU forms an analog image signal by scanning and converts that signal to digital image data, a signal processing unit (30) which restores the converted image data and performs decoding and encoding when accessed to the other system, a recording unit (40) which prints the restored image data white or black on screen under the control of the CPU, and a transmitting unit (50) which transmits or receives the image data to the other system.

Abstract translation: 该方法提供分辨率转换，而不会使输入图像失真，使用可以保持整个图像精确的行存储器。 该方法包括CPU（中央处理单元）（10），扫描单元（20），其在CPU的控制下通过扫描并将该信号转换为数字图像数据形成模拟图像信号，信号处理单元（30） 其在恢复所转换的图像数据并在访问到另一个系统时执行解码和编码;在CPU的控制下，在屏幕上打印恢复的图像数据为白色或黑色的记录单元，以及发送单元， 将图像数据发送或接收到另一个系统。

公开(公告)号：KR100078539B1

公开(公告)日：1994-10-20

申请号：KR1019910022373

申请日：1991-12-07

Applicant: 삼성전자주식회사

Inventor： 강구수 ,  김서규

IPC: H04N1/00

公开(公告)号：KR100066037B1

公开(公告)日：1993-10-04

申请号：KR1019910002839

申请日：1991-02-21

Applicant: 삼성전자주식회사

Inventor： 강구수

IPC: H04N1/413

公开(公告)号：KR1019930007980B1

公开(公告)日：1993-08-25

申请号：KR1019910008602

申请日：1991-05-27

Applicant: 삼성전자주식회사

Inventor： 강구수 ,  이수열 ,  김서규 ,  김재호

IPC: H04N1/27

Abstract: The generation of pixels in bright or dark back ground of half tone is suppressed by error diffusion method so that quality of picture is improved and amount of image data is decreased. The method comprises the steps of: (A) scanning a manuscript and storing the pixel value on a buffer; (B) diffusing error due to adjacent pixels in a same process window to current pixel; (C) discriminating current pixel as white when error diffusion value is larger than a first threshold level, and otherwise as black; (D) discriminating current pixel as white when the error diffusion value is larger than a second threshold level; and (E) discriminating current piexel as black when the current error diffusion value is less than a third threshod level.

Abstract translation: 通过误差扩散法抑制半色调的明暗背景中的像素的产生，从而改善图像的质量并减少图像数据的量。 该方法包括以下步骤：（A）扫描原稿并将像素值存储在缓冲器上; （B）由于与当前像素相同的处理窗口中的相邻像素引起的漫射误差; （C）当误差扩散值大于第一阈值电平时，将当前像素鉴别为白色，否则为黑色; （D）当误差扩散值大于第二阈值电平时将当前像素识别为白色; 以及（E）当电流误差扩散值小于第三隐含电平时，将当前的薄片鉴别为黑色。

公开(公告)号：KR1019930007979B1

公开(公告)日：1993-08-25

申请号：KR1019910008598

申请日：1991-05-27

Applicant: 삼성전자주식회사

Inventor： 강구수

IPC: H04N1/27

Abstract: The edge of a letter is emphasized to increase decipherability and the image data is transmitted at high speed by a dithering method which uses wave dither matrix. The method comprises the steps of: (A) scanning a manuscript by pixel unit and storing the scanned data on a buffer; (B) deciding the local brightness difference of the current scan data; (C) discriminating edge by inspecting that the brightness difference is larger than local inverse value; (D) converting half tone to white when the brightness difference is larger than local inverse value and the current pixel is brighter than local brightness and otherwise converting to black; and (E) discriminating that current pixel is not edge when local brightness difference is less than local inverse value and coding the current pixel by binary code.

Abstract translation: 强调字母的边缘以增加解密性，并且通过使用波动抖动矩阵的抖动方法以高速传输图像数据。 该方法包括以下步骤：（A）通过像素单元扫描原稿并将扫描数据存储在缓冲器上; （B）决定当前扫描数据的局部亮度差; （C）通过检查亮度差大于局部反向值的鉴别边缘; （D）当亮度差大于局部反转值时，将半色调转换为白色，当前像素比局部亮度亮，否则转换为黑色; 和（E）当局部亮度差小于局部反向值并且通过二进制码对当前像素进行编码时，鉴别当前像素不是边缘。

公开(公告)号：KR1019930003484B1

公开(公告)日：1993-04-29

申请号：KR1019900021487

申请日：1990-12-22

Applicant: 삼성전자주식회사

Inventor： 강구수

IPC: H04N1/411

Abstract: This method improves the possibilities for reading characters by comparing the brightness of center image elements and that of the partial means and by emphasizing boundary of character. The 1st step is to scan the input image element separately. The 2nd step is to calculate the max. & min. brightness value. The 3rd step is to output as white image in case the min. value is bigger than Tmax. The 4th step is to output the black image if the max. value is smaller than Tmin. The 5th step is to output white image in case the max. value is bigger than partial means else output black image. The 6th step is to finish when the scanning is completed, else return to the 1st step.

Abstract translation: 该方法通过比较中心图像元素的亮度和部分装置的亮度以及强调字符边界来提高读取字符的可能性。 第一步是单独扫描输入图像元素。 第二步是计算最大值。 ＆min。 亮度值。 第三步是输出为白色图像，以防最小。 值大于Tmax。 第四步是输出黑色图像，如果最大。 值小于Tmin。 第五步是输出白色图像，以防最大。 值大于部分意味着输出黑色图像。 第六步是完成扫描完成，否则返回到第一步。

公开(公告)号：KR1019920022814A

公开(公告)日：1992-12-19

申请号：KR1019910008602

申请日：1991-05-27

Applicant: 삼성전자주식회사

Inventor： 강구수 ,  이수열 ,  김서규 ,  김재호

IPC: H04N1/27

Abstract: 내용 없음.

公开(公告)号：KR1019920022813A

公开(公告)日：1992-12-19

申请号：KR1019910008598

申请日：1991-05-27

Applicant: 삼성전자주식회사

Inventor： 강구수

IPC: H04N1/27

Abstract: 내용 없음.

公开(公告)号：KR100699493B1

公开(公告)日：2007-03-26

申请号：KR1020040091969

申请日：2004-11-11

Applicant: 삼성전자주식회사

Inventor： 오현수 ,  강구수 ,  김경만

IPC: G06F3/14 ,  G06F9/44

CPC classification number: H04N1/6011 ,  H04N1/6052 ,  H04N1/6072

Abstract: 미리보기이미지 구현방법 및 장치가 개시된다. 본 발명에 따른 미리보기이미지 구현방법은, 응용프로그램으로부터 입력되는 데이터를 종류별로 분류하는 단계, 분류된 데이터 종류별로 설정된 색재현 목표에 따라 입력되는 데이터의 색신호를 인쇄장치에서 사용되는 색신호로 변환하는 컬러 매칭 동작을 수행하는 단계 및 컬러 매칭 동작이 완료된 데이터에 대한 미리보기이미지를 생성하는 단계를 포함한다. 본 발명에 따르면, 데이터의 종류별로 컬러 매칭된 데이터를 기초로 미리보기이미지를 구현함으로써 인쇄장치를 통해 인쇄한 인쇄물과 실질적으로 동일한 이미지를 보여줄 수 있다.
미리보기, 컬러매칭, 색수정

公开(公告)号：KR1020060124894A

公开(公告)日：2006-12-06

申请号：KR1020050044501

申请日：2005-05-26

Applicant: 삼성전자주식회사

Inventor： 박선주 ,  강구수 ,  김상호 ,  김경만 ,  장미정 ,  오현수

IPC: H04N1/405 ,  G03G15/01

CPC classification number: H04N1/52 ,  G03G15/0115 ,  G03G2215/0187 ,  G03G2215/0495

Abstract: A halftone processing method of a printer using a tri-level printing, a printing method suitable for the same and a computer readable recording medium for storing a program suitable for the same are provided to prevent the overlap of dot patterns for two kinds of latent images. An image signal is inputted(S402). The image signal includes two kinds of colors. The halftone process of the image signal is performed by the first screen so that the dot pattern of the first color is obtained(S404). Thereafter, the halftone process of the image signal is performed by the second screen so that the dot pattern of the second color is obtained(S406). At this time, the first screen and the second screen have the complement relation. The first and second dot patterns are developed by a tri-level developing method so that an image with two kinds of colors is printed(S408).

Abstract translation: 提供一种使用三级打印的打印机的半色调处理方法，适用于其的打印方法和用于存储适合于其的程序的计算机可读记录介质，以防止两种潜像的点图案重叠 。 输入图像信号（S402）。 图像信号包括两种颜色。 通过第一屏幕执行图像信号的半色调处理，从而获得第一颜色的点图案（S404）。 此后，通过第二屏幕执行图像信号的半色调处理，从而获得第二颜色的点图案（S406）。 此时，第一屏幕和第二屏幕具有互补关系。 通过三电平显影方法显影第一和第二点图案，从而打印出具有两种颜色的图像（S408）。