JPS5937791A - Picture processor - Google Patents

Abstract

PURPOSE:To process a picture both longitudinally and laterally at a high speed by storing data after one-directional picture processing in a picture memory, reading it at right angle to the direction of the writing, and performing picture processing in this direction during the reading operation. CONSTITUTION:An analog picture data is converted into a digital signal by an A/D converter 11. Then, picture processing hardware 12 performs real-time processing to store the resulting data in the picture memory (digital scan converter) 13 longitudinally. Simultaneously, the written data is read laterally and the picture processing hardware 14 performs real-time processing. The data is reconverted into the original analog picture data by a D/A converter 15 and converted into a TV composite signal by a TV controller. Then, it is displayed on a CRT17.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention provides digital
An object of the present invention is to provide an image processing device that can perform image smoothing, deconvolution, etc. in real time (real time). .

This purpose is achieved by recording data that has been subjected to image processing in one direction in an image memory, reading it in a direction perpendicular to the writing direction, and performing image processing in this direction at the time of reading. Image processing is performed separately for , read-out, and at high speed in both the vertical and horizontal directions.

Next, preferred embodiments of the present invention will be described with reference to the drawings.

In the figure, 11 is an A/D converter, 12 is an image processing hardware, 13 is an image memory (digital scan converter), 14 is an image processing hardware, 15 is a D/A converter, and 16 is a TV. t=+-ra, 17 is a CRT display.

Analog image data is converted into a digital signal by an A/D converter 11, processed in real time by image processing hardware 12, and recorded in an image memory (digital scan converter) in the direction of the solid line arrow. Data written at the same time is read out in the direction of the dotted arrow.
In this direction, the data is processed in real time by the image processing hardware 14, converted to the original analog image data by the D/A converter 15, and then converted to the original analog image data by the TV controller 16.
After being converted into a V composite signal, the CRT display 17
will be displayed.

Here, you can obtain smoothed and deconvolved images in real time.

In the second embodiment, read processing is performed in the horizontal direction in accordance with TV scanning, but writing may be performed in the horizontal direction and reading may be performed in the vertical direction.

Further, when writing, it is possible to perform image processing on the analog signal alone, and furthermore, after reading, it is also possible to perform image processing on the analog signal, and the same effect can be obtained.

Other effects of the present invention are that image processing can be performed using simple hardware before and after the image memory, and that the overall image processing time can be shortened.

[Brief explanation of drawings]

The drawing is a schematic block diagram showing one embodiment of the present invention. 11 is an A/D converter, 12.14 is an image processing node, 13 is an image memory, 15 is a D/A converter, 16 is a TV controller, 17 is a CRT display, -'?
be.

Claims (1)

[Claims] It consists of an A/D converter that converts image data into digital signals, a two-dimensional image memory that stores the digital signals, and a D/A converter that converts the digital signals back into image data. An image processing device characterized in that data is processed in real time during writing and reading, with reading and writing being perpendicular to each other.