FR2867645A1 - Two or three dimensional digital image creating device for digital camera, has electron optics to produce transversal scanning lines that are stored in memory, and sequencer to place each line successively to restore image on digital screen - Google Patents

Abstract

The device has an electron optics (1) to produce transversal scanning lines that are transformed into digital form by an analog-digital converter (2). The scanning lines are stored in a random access memory (3), which is controlled by a microprocessor (4). The microprocessor controls sequential access of each line towards a sequencer (5). Each line is placed successively by the sequencer to restore the image on a digital screen.

Description

(52 2 S

  The present invention relates to a device for creating a 2D or 3D digital image. Prior to 2001, digital images were traditionally made using a device comprising a matrix component at a high and delicate cost.

  The device according to the invention overcomes these disadvantages. It comprises in fact, according to a first feature a set of simple components whose assembly can create a digital image quality at a lower price.

  - An electronic optics camera or camera producing a scan of vertical lines.

  An analog digital converter that digitizes the signal from the previous optics.

  A memory (Ram) that stores line by line the scan of the optics.

  A microprocessor can manage this Ram whose size must correspond to a scan line, or there may be a loopback system which delimits the size of the memory. The goal is for the Ram to receive each scan line one after the other.

  A sequencer of orders that sends to the digital screen successively the lines of digitized scans restoring the image.

  The resulting image can be either stored (camera) or converted back to analog (using an analogue digital converter) to be recorded on a magnetic tape (camcorder) or other media.

  The accompanying drawings illustrate the invention.

  Figure 1 shows the device of the invention for a 2D image. Figure 2 shows an alternative device for a 3D image.

  With reference to these drawings, the device comprises a vertical scanning electronic optics (1), an analog digital converter (2), a Ram (3) successively containing each vertical scanning line of the electronic optics., A microprocessor (4) eventual manager of the Ram or loopback system, an order sequencer (5) which subsequently sends the lines contained successively in the Ram to a digital screen (6) in a memory (camera) or to an analog recording device through a digital-to-analog converter.

  According to a variant in FIG. 2, three camera optics placed according to FIGS. 3 and 52 with the same image acquisition device as in FIG. 1, add the lines of each camera alternately to The device according to the invention is particularly intended to create 2D or 3D images (shots).

Claims (6)

  1) Device for creating a digital image in that it comprises an electronic optics (1) whose transverse scanning is converted into digital by an analog-digital converter (2). Each line is stored in a memory (RAM) (3) which is managed by a possible microprocessor (4) then an order sequencer (5) places the scan lines one behind the other restoring the image to a screen, , a memory or an analog or digital recorder 2) Device according to claim 1characterized in that the electronic optics (1) produces a scan of transverse lines 3) Device according to claim 1 in that each line is converted into digital By the analog-digital converter (2) 4) Device according to claim 1 in that each digitized line is stored in a RAM memory (3) 5) Device according to claim 1 in that the RAM memory (3) is optionally managed by a microprocessor (4), to manage the size and the successive access of each line to the order sequencer (5), to the 'screen.   6) Device according to claim 1 in that each scan line is placed one after the other by the sequencer orders (5) and 1 image thus reconstituted will be read by a screen or recorded.