KR930018966A

KR930018966A - Video camera

Info

Publication number: KR930018966A
Application number: KR1019930002812A
Authority: KR
Inventors: 히데야끼 무라야마; 다꾸 기하라; 후미히꼬 수도; 다까시 아사이다
Original assignee: 오오가 노리오; 소니 가부시끼가이샤
Priority date: 1992-02-28
Filing date: 1993-02-26
Publication date: 1993-09-22
Also published as: KR100281787B1; JPH05244626A

Abstract

3원색을 구성하는 채널중, 한 채널의 화소가 다른 두개의 채널의 화소에 대해서 공간적으로 1/2화소분 옮겨서 배치된 3개의 촬상 디바이스를 갖는 비디오 카메라에 있어서, 3개의 촬상 디바이스에 출력되는 아날로그 3원색 신호를 디지탈 3원색 신호로 변환하고, 이 디지탈 3원색 신호에서 윤곽 신호를 형성해서 디지탈 3원색 신호와 가산하고, 이 가산후의 신호에서 소저의 형태의 디지탈 영상 신호를 형성할 때에, 윤곽 신호 형성수단의 클럭 주파수를, 촬상 디바이스, A/D변환수단, 가산수단 및 영상 신호 형성수단의 클럭 주파수의 2배의 주파수에 선정한다.In a video camera having three imaging devices in which one channel pixel is spatially shifted by 1/2 pixel with respect to the pixels of two other channels among the channels constituting the three primary colors, an analog output to the three imaging devices. When the three primary colors are converted into digital three primary colors, a contour signal is formed from the digital three primary colors and added to the digital three primary signals, and the contour signal is used to form a digital video signal in the form of a noise from the post addition signal. The clock frequency of the forming means is selected to be twice the clock frequency of the imaging device, the A / D conversion means, the adding means, and the video signal forming means.

Description

Video camera

제1도는 본 발명에 의한 비디오 카메라의 1실시예를 나타내는 블럭도.1 is a block diagram showing one embodiment of a video camera according to the present invention;

제2a 내지 2f도는 제1도에 나타나는 비디오 카메라의 동작을 설명하기 위한 주파수 특성도.2A to 2F are frequency characteristic diagrams for explaining the operation of the video camera shown in FIG.

제3a내지 3g도는 제1도에 나타나는 비디오 카메라의 동작을 설명하기 위한 주파수 특성도.3A to 3G are frequency characteristic diagrams for explaining the operation of the video camera shown in FIG.

본 내용은 용부 공개 건이므로 전문 내용을 수록하지 않았음This content is a public disclosure, so no full text was included.

Claims

A video camera having three imaging devices in which one channel pixel is spatially shifted by 1/2 pixel with respect to pixels of two other channels among the channels constituting the three primary colors, and is output from the three imaging devices. A / D conversion means for converting an analog three primary color signal into a digital three primary color signal; Contour signal forming means supplied with an output signal of the A / D conversion means and forming a contour signal on the digital three primary color signal; Adding means for adding the contour signal output from the contour signal forming means and the digital three primary color signal output from the A / D conversion means; And a video signal forming means for forming a digital video signal of a predetermined form from the signal output from the adding means, wherein the clock frequency of the contour signal forming means includes the imaging device, the A / D conversion means, the adding means, and A video camera having a frequency twice the clock frequency of said video signal forming means.

The video camera according to claim 1, wherein the three imaging devices are a first CCD for red imaging, a second CCD for green imaging, and a third CCD for blue imaging.

2. The three imaging devices according to claim 1, wherein the three imaging devices are a first CCD for red imaging, a second CCD for green imaging, and a third CCD for blue imaging, and the contour signal forming means outputs the first CCD. And the contour signal from the signal and the output signal of the second CCD.

The video camera according to claim 1, wherein the contour signal forming means has a clock frequency of 36 MHz, and the clock frequencies of the imaging device, the A / D converting means, the adding means, and the video signal forming means are 18 MHz.

A video camera having three imaging devices in which channels of one channel are spatially shifted by 1/2 pixel with respect to pixels of two other channels among the channels constituting the third primary color, and output from the three imaging devices. A / D conversion means for converting the analog three primary color signal to a digital three primary color signal; Contour signal forming means which is supplied with an output signal of the A / D conversion means and forms a contour signal from the digital three primary colors signal; First adding means for adding the contour signal output to the contour signal forming means and the digital three primary color signal output from the A / D conversion means; Forming means for forming a color difference signal and a first luminance signal based on an output signal of said first adding means; Second adding means for adding the contour signal to the first luminance signal output from the forming means to form a second luminance signal, wherein the contour signal forming means and the second adding means A video camera having a clock frequency twice the frequency of the clock frequency of the imaging device, the A / D conversion means, and the forming means.

6. The video camera according to claim 5, further comprising second forming means for supplying an output signal of said second adding means and said chrominance signal output from said forming means, and for forming a digital composite video signal.

※ Note: The disclosure is based on the initial application.