KR910004054A - Stereoscopic Video Transmission System - Google Patents

Abstract

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Description

Stereoscopic Video Transmission System

Since this is an open matter, no full text was included.

1 is a circuit diagram of a transmission system according to the present invention;

2 is a circuit diagram of a receiving system according to the present invention;

3 is a time-base spectral diagram of an auxiliary channel video signal according to the present invention.

Claims (7)

A stereoscopic television image transmission system for transmitting left and right video signals as a stereoscopic video signal by two left and right cameras, the low pass filter means for filtering the left and right video signals VL and VR, and the left video signal. An auxiliary channel video signal generator 4 for generating an auxiliary channel video signal Vs by the operation of VL and the right video signal low-band signal VR1, and the low-band signal VL1 of the left video signal VL. A first channel modulator 2 for N-channel modulation by inputting left and right audio signals SR / L, and a second channel modulator 5 for N + 1 channel modulation of the auxiliary channel video signal Vs. And a first mixer (6) for mixing the output signals of the first and second channel modulators (2,5) and outputting them to the antenna (7). 2. The filter device according to claim 1, wherein the auxiliary channel video signal generator 4 performs high pass filtering and low pass filtering of the left image signal VL, and separately outputs the filter signal. First decoder means for demodulating the low pass signal VR1 to generate high and left and right low frequency original signals RH, GH, BH and RL1, GL1, BL1 and RR1, GRee, and BRee, respectively; RH, GH, and BH are compressed on the time axis to generate compressed primary signals RH1, GH1, and BH1, respectively; The sampling means for sampling each of the primary colors by a period of different sampling cycles in accordance with the movement in the depth direction, and a signal obtained by compressing the low-order difference signal output from the sample means on the time axis and the output signal of the time axis compression means, respectively. If time-division multiplexing each, the secondary channel primary color signals (Rs, G) and a first encoder (57) for modulating an output signal of the time division multiple means and outputting an auxiliary video signal (Vs). 3. A stereoscopic television image transmission system according to claim 2, wherein the time base compression means compresses the high frequency primary signals (RH, GH, BH) 3/4 on the time base. 4. The stereoscopic television image transmission system according to claim 3, wherein the time division multiple means compresses the low-order difference signal 1/4 on the time axis. In a stereoscopic television image receiving system in which left and right video signals captured by two left and right cameras are modulated and propagated by an input video RF signal, the RF signal is N-channel and N + 1 from the antenna 8. Tuner means for synchronizing with the channel to generate the intermediate frequency signal of the main channel and the auxiliary channel, and separately detecting the intermediate frequency signal of the main channel and the left and right audio signals (SR / L) and the video signal of the main channel (VL1). The intermediate frequency means for generating a signal, the voice amplification means for amplifying the left and right voice signals (SR / L) and outputting them separately to the speakers (16, 17), and the intermediate frequency signal of the auxiliary channel to detect the Three-dimensional video processing of the video intermediate frequency unit 13 generating the video signal Vs, the video signal VL1 and the auxiliary channel video signal Vs of the main channel, and the primary color signals RL, 3D image processing apparatus 15 for outputting GL, BL and RR, GR, BR, and 3D television image comprising a video amplification means for amplifying the left image primary color signals RL, GL, BL and the right image primary color signals RR, GR, BR respectively and outputting them to the CRTs 20, 21, respectively. Receiving system. The apparatus of claim 5, wherein the three-dimensional image processing apparatus (15) separates the auxiliary channel image signal (Vs) on the time axis, and the time axis separation means for extending the high-frequency image signal VH1 and the difference image signal D1 on the time axis, respectively. And a third mixer 63 generating the high resolution composite video signal VL by adding the left video high pass signal VH and the video signal VL1 of the main channel, and the high resolution composite video signal VL. A second decoder means for demodulating the normal difference signal VD of which the video signal VD1 is extended in time axis, and a signal demodulated from the complex video signal VL, and modulating the signal through the first frame memory 66. Motion detection means for inputting a signal to detect the movement of the depth and the direction of the screen; To control the interpolation control pulse (ICP) applied from the detection means. An auxiliary image interpolation means for generating left and right video difference signals RR1 ₁ , GR1 ₁ , BR1 ₂ by extending the bands by the band, and the left and right video signals RR1 ₁ , GR1 ₁ , BR1 ₁ and the composite image And a mixing means for generating a right image signal (RR, GR, BR) by adding the demodulated signals of the signal VL, respectively. The method according to claim 6, wherein the mixing means inputs the left and right image difference signals RR1 ₁ , GR1 ₁ , BR1 ₁ to the (+) input and a signal demodulated to the composite video signal VL to the (-) input. Stereoscopic TV image receiving system. ※ Note: The disclosure is based on the initial application.