EP1181817A1 - Vorrichtung zum aufbereiten von digitalen bilddaten - Google Patents
Vorrichtung zum aufbereiten von digitalen bilddatenInfo
- Publication number
- EP1181817A1 EP1181817A1 EP00927123A EP00927123A EP1181817A1 EP 1181817 A1 EP1181817 A1 EP 1181817A1 EP 00927123 A EP00927123 A EP 00927123A EP 00927123 A EP00927123 A EP 00927123A EP 1181817 A1 EP1181817 A1 EP 1181817A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- image data
- control means
- network
- processing
- svx
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—Two-dimensional [2D] image generation
- G06T11/60—Creating or editing images; Combining images with text
Definitions
- the present invention relates to a device for processing digital image data according to the preamble of claim 1.
- Such a device is known from European patent application EP 0 893 907 A1.
- This patent application describes a system for producing images which is based on digital image processing.
- the digital image data of a plurality of images are fed to a digital image data preparation device.
- This digital image data can be stored on different storage media, such as a floppy disk or CD.
- the digital image data can be read by reading means of the known device.
- the known device has a scanning device with which photographic films can be scanned. The image content of these photographic films is converted into digital image data.
- the captured digital image data are supplied to a plurality of control means which process the image data differently.
- all digital image data are supplied to the same control means. These control means are particularly intended to improve the image and resize the images.
- the control means for processing the digital image data are used, connected in series one behind the other. The digital image data of the scanned images can therefore only be processed successively one after the other by means of the control means
- the image data received by the receiving means which originate from a plurality of images, are distributed to the plurality of control means by means of a distribution means.
- the processing of the image data by means of the plurality of control means can be done there - When done both in the same and in a different way
- the device according to the invention enables a modular structure, so that it can be adapted to certain requirements or applications by inserting more or less control means, in particular with a parallel arrangement of the several control means, a higher one Processing performance of the device according to the invention can be achieved in the preparation of the image data
- the distribution is advantageously image-wise. This means that, for example, those digital image data which contain image information of a first image are assigned to a first control means and those digital image data which contain image information of a second image are assigned to a second control means. Because of the image-wise distribution it is possible that a complete data set of image data of a single image can be processed completely and continuously by the same control means and with the same image processing algorithms. The processing of the image data of an image in the control means can therefore be carried out consistently. The expenditure on both hardware and software can be limited, since it is not necessary for the further processing of the processed image data of an image to have to put together several parts of an image again using complex image processing algorithms, how this could be necessary in the case of a partial image distribution.
- the complete image data of this image are available in the control means which are used to process the image data of an image, so that certain processing methods, such as the search and processing of special ones, are available in the image data contained image structures, can be carried out completely by this control means.
- processing methods can be, for example, the search and the special processing of faces and / or red eyes.
- all image data that are necessary for the search and processing of such structures can be found in the each If available control means are available, it is advantageously not necessary for this control means to also have to communicate with other control means.
- the distribution sub-image wise contain a first control means and those digital image data which contain image information of a second field are assigned to a second control means
- the device contains a merging means, with which image data processed by several control means can be merged.
- a merging means can be, for example, a multiplexer to combine processed image data into a plurality of data streams which can then be output via a plurality of transmission lines. The output of the plurality of data streams can then, for example, take place separately from one another to a plurality of digital copying devices
- control means each contain several different processing stages, which are connected in series one behind the other. These different processing stages can be operated with different image processing algorithms, so that the digital image data processed by them are each subjected to different processing by means of the different image processing algorithms.
- the modularity of the device according to the invention is further increased and its flexibility is improved.
- the various processing stages can be better adapted to the processing of the digital image data to be carried out by them.
- the processing power of the device according to the invention can also be further increased It is namely possible that one of the processing stages already with the V Processing of the image data of a second image begins as soon as it has finished processing the image data of a first image and has forwarded this processed image data to the processing stage downstream of it
- the device according to the invention contains an interface via which the device can be connected to a further network, in particular a publicly accessible network such as the Internet.
- a further network in particular a publicly accessible network such as the Internet.
- This also enables private users or central public bodies, such as photo dealers to supply image data to be processed to the device according to the invention via this further network.
- This image data can then be processed quickly and effectively by means of the device according to the invention send further network back to the sender.
- This sending back via the further network can take place additionally and / or alternatively to a description of photographic material by means of a copying device.
- a plurality of the control means are connected to one another via a network.
- several different processing stages can be combined with one another in a very flexible and simple manner, regardless of whether they are present in one or more control means.
- a distribution of the image data of the various images via this network to different processing stages can be carried out, for example, on the basis of predetermined control information or on the basis of utilization criteria of the various control means.
- the image data Before the image data are transmitted over the network, they are advantageously compressed. This ensures faster transmission of the image data over the network. If the image data is temporarily stored, less storage capacity is also required.
- the network comprises a first image data network for the transmission of image data and further a second control data network for the transmission of control data.
- Image data network and control data network can advantageously be arranged parallel to one another. In this way, it is possible to carry out the image data transmission over the network more effectively.
- each control means is connected to its own memory for calling up image processing algorithms
- FIG. 2 shows a second exemplary embodiment of the device according to the invention, in which the individual control means access a common memory in which the respective image processing algorithms are stored,
- Fig. 3 shows a third embodiment of the device according to the invention, in which the individual control means contain several processing stages and the control means are connected to one another via a network, and
- FIG. 4 shows a fourth exemplary embodiment of the device according to the invention, in which the individual control means are connected to one another both via an image data network and via a control data network.
- FIG. 1 shows the first embodiment of the device according to the invention.
- a photographic system 1 is shown, with which images can be produced on the basis of image information contained in digital image data.
- the images are preferably made on photo paper.
- the photographic system 1 contains a demultiplexer 3, which is used both for receiving digital image data and for distributing the received image data.
- the demultiplexer 3 has a first interface 14, which is connected to a public network 11, such as the Internet.
- the demultiplexer 3 also has a second interface 15, via which it is connected to a scanning means 2 via a connecting line 6.
- the scanning means 2 is used to scan photographic images, such as photographic film.
- the scanning means 2 generates digital image data corresponding to the image information contained in the scanned photographic image originals.
- the photographic system 1 can be supplied with digital image data via the Internet via the first interface 14. It is therefore possible that, for example, private individuals or photo dealers feed 11 image data into the photographic system 1 via the Internet.
- the photographic system 1 and its demultiplexer 3 can have further interfaces (not shown) via which digital image data can be supplied from other media.
- Such other media can be, for example, CD-ROMs, conventional floppy disks or chip cards.
- the demultiplexer 3 is connected to a plurality of control means SV1, ..., SVX, ..., SVN, which are used to process digital image data.
- the control means SV1, ..., SVX, ..., SVN are in turn connected to a multiplexer 4, which is used to combine the digital image data processed by the control means SV1, ..., SVX, ..., SVN.
- the multiplexer 4 is connected to a digital exposure means 5 via a second connecting line 7.
- the digital exposure means 5 is used to expose the photo paper.
- the exposure means 5 can be, for example, a laser exposure device which emits three laser beams in the main colors red, green and blue, which are modulated in accordance with the image information to be exposed on the photo paper.
- there are other known technologies, such as. B. Digital Micromirror Devices, DMD, or Liquid Cristal Displays, LCD, can be used as exposure means 5.
- the control means SV1 SVX, ..., SVN are used to process the digital image data supplied to them by means of predetermined image processing algorithms.
- Each control means SV1 SVX, ..., SVN is connected to one of the memories SP1, ..., SPX, ..., SPN.
- the memories SP1, ..., SPX, ..., SPN contain image processing algorithms which can be called up by the respective control means SV1, ..., SVX, ..., SVN to which they are connected.
- the control means SV1, ..., SVX, ..., SVN of the photographic system 1 are arranged in parallel between the demultiplexer 3 and the multiplexer 4.
- the control means SV1, ..., SVX, ..., SVN can use the image processing algorithms stored in the memories SP1, ... SPX, ..., SPN to subject the supplied digital image data to different or the same processing processes.
- processing processes serve, for example, to improve the image and to adapt the image information to the properties of the exposure means 5.
- the processing processes can, for example, a so-called unsharp masking of the image information to be displayed, a correction of underexposure or overexposure, a correction of unsharpness, a correction of reds that occur during flash photography Include eyes and / or an enlarged image.
- the processing processes carried out by the control means SV1, ..., SVX, ..., SVN can, depending on the application, be the same or different for each control means.
- the number of control means SV1 SVX, ..., SVN can depend on the respective application. It is particularly dependent on the desired copying performance of the photographic system 1, the resolution of the scanning device 2, the resolution of the exposure means 5, the copying format of the photographic paper onto which the exposure is to be made, or the number and type of processing processes desired.
- the digital image data supplied to the demultiplexer 3, which originate from a plurality of images, are applied to the plurality of control means
- the demultiplexer 3 can be connected to a further control means (not shown) that does this picture by picture Distribute monitors and controls. It is also possible to carry out the distribution part-by-frame. Image data of several parts of the image information of one of the images are sent to different ones of the control means
- SV1 ..., SVX SVN distributed. Any combinations are possible when distributing the image data of the plurality of images to the plurality of control means.
- the image-wise distribution detailed here can e.g. B. in the following manner:
- the negatives of a plurality of images are scanned by the scanning means 2, including those of the images j, j + 1 and j + 2.
- the digital image data of the images j, j + 1 and j + 2 generated during the scanning are successively received by the demultiplexer 3 at the interface 15 in a data stream.
- the assignment of the received image data to the images j, j + 1 and j + 2 is recognized by the demultiplexer 3 or the further control means possibly connected to it.
- the image data of the image j are then distributed by means of the demultiplexer 3 to the first control means SV1, the image data of the image j + 1 to the second control means SV2 and the image data of the image j + 2 to the third control means SV3.
- the three control means SV1, SV2 and SV3 then process the image data of the images j, j + 1 and j + 2 distributed to them in accordance with the image processing algorithms of the memories SP1, SP2 and SP3 to which they are connected.
- the respective control means SV1, SV2 and SV3 After the respective control means SV1, SV2 and SV3 have processed the image data of the images j, j + 1 and j + 2, they forward the processed image data to the multiplexer 4.
- This forwarding need not be in the same order as the distribution of the image data of the images by the demultiplexer 3 to the control means SV1, SV2 and SV.
- it is advantageous to adhere to this order since the paper images produced by the photographic system 1 should have the same order when the finished paper images are output after exposure as the image templates present on the scanned film or those, for example, via the Internet 11 received images.
- the multiplexer 4 receives the image data and merges them into a data stream which contains the processed image data of the images j, j + 1 and j + 2.
- the multiplexer 4 serves to output the image data processed by the control means SV1, ..., SVX, ..., SVN. This output can take place via the second connecting line 7 to the digital exposure means 5.
- the multiplexer 4 contains an interface to the Internet 11 so that the image data processed by the processing stages of the control means can be output to the Internet 11 via a third connection line 13. It is therefore possible to deliver the image data prepared by the photographic system 1 directly to a specific addressee via the Internet 11, who, for example, can be a private person or a photo dealer.
- the processed image data can be transmitted via the Internet 11 as an alternative or in addition to the exposure of the image information contained in the image data on photographic paper. It is also possible to save the processed digital image data on other output media.
- Such output media can be, for example, CD-ROMs, floppy disks or chip cards.
- the multiplexer 4 has interfaces to corresponding writing devices (not shown).
- FIG. 2 shows the second embodiment of the device according to the invention.
- the photographic system 1 is again shown.
- the control means are here
- the decentralized memories SP1, ..., SPX, ..., SPN of the first embodiment are not provided here in the second embodiment. However, it is also possible to use a combination of the decentralized memories SP1, ..., SPX, ..., SPN and the shared memory e in the photographic system 1.
- the memory 8 can be configured that the storage means SV1, ..., SVX SVN can store image data in it.
- the image data stored in the memory 8 can be image data which have not yet been processed by the control means SV1 SVX, ..., SVN, or image data which have already been processed by them and which are buffered before their respective output.
- the memory 8 can preferably be designed as a so-called storage area network, SAN.
- SANs are now publicly available through a variety of companies, such as Gadzoox. SANs are described, for example, in Birgit Heidsiek's article "Schauplatz" in magazine c '1 1999, number 7, pages 84 to 87.
- the Storage Area Network is a communication platform that connects the server and storage via a network. This network contains fiber optic fiber optic cables, with this version a very fast data transfer between the control means SV1, ..., SVX SVN and the Storage Area Network 8 is possible.
- FIG. 3 shows the third embodiment of the device according to the invention.
- the photographic system 1 according to the third exemplary embodiment like the first two exemplary embodiments, contains a plurality of control means arranged in parallel for processing the digital image data.
- the individual control means each have a number of different processing stages which are connected in series.
- the first control means contains the processing stages F11 and F12
- the Xth control means the processing stages FX1 and FX2
- the Nth control means the processing stages FN1 and FN2.
- each control means contains two processing stages. However, it is also possible to connect further processing stages in succession in the individual control means.
- the various processing stages of the individual control means can each process the digital image data supplied to them in different ways.
- FIG. 3 shows the third exemplary embodiment according to FIG.
- the demultiplexer 3 is connected to a plurality of first processing stages F11, ..., FX1 FN1 of the control means. With these first processing stages F11 FX1 FN1, preprocessing of the image data to be processed can be carried out. Such preprocessing can consist, for example, of color matching, pixel correction, etc.
- the first processing stages F11, ..., FX1, ..., FN1 are connected to a network 10, which can be, for example, a conventional local area network, LAN, based on Ethernet.
- the network 10 is also connected to second processing stages F12, ..., FX2, ..., FN2. These second processing stages F12, ..., FX2, ..., FN2 carry out a special image processing of the digital image data supplied to them. Such special image processing can consist, for example, of sharpening and enlarging.
- the second processing stages F12, ..., FX2, ..., FN2 are connected to the multiplexer 4, which is used for outputting and merging the
- the various processing processes to which the digital image data of one of the images are subjected are distributed over several processing stages in this series connection.
- the processing of digital image data of two images k and k + 1 is described by the first control means, which contains the processing stages F11 and F12, representative of the processing stages of all control means of the photographic system 1 according to FIG. 3.
- the demultiplexer 3 supplies the digital image data of the image k to the first processing stage F11.
- the digital image data of this image k are therefore processed by the processing stage F11 in accordance with a predetermined image processing algorithm.
- the first processing stage F11 passes the processed image data on to the second processing stage F12 via the network 10.
- the image data are then subjected to further image processing by the second processing stage F12.
- this processing stage F11 is free for processing the image data of the image k + 1.
- This image data of the image k +1 are therefore fed to the first processing stage F11.
- the processing stage F11 processes the image data of the image k + 1
- the processing stage F12 processes the image data of the image k.
- Both processing stages F11 and F12 can therefore largely independently process the image data of two images simultaneously. It is advantageous it is not necessary to wait for the complete processing of the digital image data of a first image with all of the provided processing procedures in one of the control means before the image data of a second image can be processed with this control means
- the first processing stages FF11,, FX1,, FN1 are therefore advantageously designed in such a way that they compress the image data to be transmitted before the image data is output to the network 10 Compressed image data transmitted to network 10 must then be decompressed for further processing.
- the second processing stages F12,, FX2,, FN2 are therefore designed such that they first decompress compressed image data received by network 10 before they are subjected to further processing
- the processing of the image data can be made more flexible.
- the image data can advantageously be so are distributed so that they are fed to the processing stage which currently has no image data of an image to process.
- the second processing stages F12, ..., FX2, ..., FN2 of the various control means arranged in parallel subject the image data to different processing procedures. Depending on the desired processing of the image data, this can therefore be carried out in one of the different processing stages
- F12 ..., FX2 FN2 can be assigned.
- image data processed by the processing stage F11 can be forwarded via the network 10 to the processing stage FX1 or another of the second processing stages instead of the processing stage F12.
- the photographic system 1 according to FIG. 3 also contains a further memory 9 which is connected to the network 10.
- This further memory 9 is used to store processed image data. This allows the image data to be buffered. Instead of a direct transmission from one of the first processing stages F11, ..., FX1, ..., FN1 to one of the second processing stages F12, ..., FX2, ..., FN2, the preprocessed image data can therefore be stored in the memory 9 are temporarily stored before they are forwarded to one of the second processing stages F12, ..., FX2, ..., FN2.
- the memory 9 can therefore serve as a buffer, for example.
- the intermediate storage of the image data in the further memory 9 can advantageously be used for this purpose image data of further, subsequent images are already processed by means of the first processing stages F11, ..., FX1, ..., FN1, although the image data previously processed by them is not yet processed by the second processing stages F12, ..., FX2 , ..., FN2 can be received since they are still busy processing image data.
- the photographic system 1 according to FIG. 3 also has the interface 14, via which the photographic system 1 is connected to the Internet 11.
- the interface 14 is integrated here in a further distribution means 12 with which the Image data of the images received from the Internet 11 can be distributed via the network 10 to the various second processing stages F12,, FX2,, FN2.
- the various second processing stages F12, FX2,, FN2 In this way it is possible to directly pre-process image data specially prepared by a private individual or a photo dealer To undergo image processing by means of the second processing stages F12,, FX2,, FN2.
- the distribution of the image data of the various images takes place on the basis of order-specific specifications
- the network 10 and the memory 9 can advantageously be implemented as a storage area network, SAN. This can increase the processing speed of the image data. It is also possible to provide an additional network, for example a local area network, LAN, in addition to such a SAN. which is connected in parallel to the SAN The various processing stages are then connected to each other both via this LAN and via the SAN. In this way, for example, the image data could be transported between the various processing stages via the SAN, and the control data could be transported via the LAN
- FIG. 4 shows a fourth exemplary embodiment of the photographic system 1, which, apart from the network 10, contains all the components of the third exemplary embodiment according to FIG. 3.
- the network 10 has been replaced in this fourth exemplary embodiment according to FIG. 4 by two networks arranged in parallel to one another shows a first image data network 16 and a second control data network 17 arranged in parallel thereto
- Control data network 17 are also connected to the further memory 9 like the network 10 according to FIG. 3.
- the third exemplary embodiment described with reference to FIG. 3 corresponds to that in the fourth exemplary embodiment according to FIG. 4.
- a difference is that the image data processed by the individual processing stages, the further memory 9 and the further distribution means 12 are fed to the image data network 16 and via this will be transferred.
- the control data which are used in particular for the transmission and distribution of the image data which are transmitted via the image data network 16, are transmitted by the individual processing stages, the further memory 9 and the further distribution means 12 via the control data network 17.
- the photographic system 1 described in the four exemplary embodiments with reference to FIGS. 1 to 4 can be implemented both as a conventional photographic printer, which comprises the described components including the scanning means 2 and the exposure means 5.
- a conventional photographic printer which comprises the described components including the scanning means 2 and the exposure means 5.
- networks instead of the connecting line 6 between the scanning means 2 and the demultiplexer 3 and / or instead of the connecting line 7 between the multiplexer 4 and the exposure means 5.
- Several different scanning means or other input media for digital image data or several different exposure means can be connected to these networks.
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Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19921418 | 1999-05-08 | ||
| DE19921418A DE19921418C2 (de) | 1999-05-08 | 1999-05-08 | Vorrichtung zum Aufbereiten von digitalen Bilddaten |
| PCT/EP2000/003938 WO2000069169A1 (de) | 1999-05-08 | 2000-05-03 | Vorrichtung zum aufbereiten von digitalen bilddaten |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1181817A1 true EP1181817A1 (de) | 2002-02-27 |
Family
ID=7907522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00927123A Ceased EP1181817A1 (de) | 1999-05-08 | 2000-05-03 | Vorrichtung zum aufbereiten von digitalen bilddaten |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1181817A1 (de) |
| DE (1) | DE19921418C2 (de) |
| WO (1) | WO2000069169A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1359740A1 (de) * | 2002-04-30 | 2003-11-05 | Agfa-Gevaert AG | Vorrichtung und Verfahren zum Verarbeiten von Bildern |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60151789A (ja) * | 1984-01-19 | 1985-08-09 | Hitachi Ltd | 多機能画像処理プロセツサ |
| JPS63220368A (ja) * | 1987-03-10 | 1988-09-13 | Mitsubishi Electric Corp | マルチプロセツサ型画像処理装置 |
| US4955024A (en) * | 1987-09-14 | 1990-09-04 | Visual Information Technologies, Inc. | High speed image processing computer with error correction and logging |
| US4985848A (en) * | 1987-09-14 | 1991-01-15 | Visual Information Technologies, Inc. | High speed image processing system using separate data processor and address generator |
| JPH1098577A (ja) * | 1996-06-28 | 1998-04-14 | Toshiba Corp | 画像形成システムおよび画像形成処理制御方法 |
-
1999
- 1999-05-08 DE DE19921418A patent/DE19921418C2/de not_active Expired - Fee Related
-
2000
- 2000-05-03 WO PCT/EP2000/003938 patent/WO2000069169A1/de not_active Ceased
- 2000-05-03 EP EP00927123A patent/EP1181817A1/de not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0069169A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19921418A1 (de) | 2000-11-16 |
| WO2000069169A1 (de) | 2000-11-16 |
| DE19921418C2 (de) | 2002-09-19 |
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