WO2001086500A1 - Method and arrangement for managing images in a computer system - Google Patents

Method and arrangement for managing images in a computer system Download PDF

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Publication number
WO2001086500A1
WO2001086500A1 PCT/SE2001/000888 SE0100888W WO0186500A1 WO 2001086500 A1 WO2001086500 A1 WO 2001086500A1 SE 0100888 W SE0100888 W SE 0100888W WO 0186500 A1 WO0186500 A1 WO 0186500A1
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WIPO (PCT)
Prior art keywords
image
user
computer system
material
number
Prior art date
Application number
PCT/SE2001/000888
Other languages
French (fr)
Inventor
Michael Lantz
Björn Hedberg
Boris Estrada
Jonas Ranebring
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Cellavision Ab
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Publication date
Priority to SE0001720A priority Critical patent/SE0001720L/en
Priority to SE0001720-2 priority
Application filed by Cellavision Ab filed Critical Cellavision Ab
Publication of WO2001086500A1 publication Critical patent/WO2001086500A1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/51Indexing; Data structures therefor; Storage structures

Abstract

The present invention relates to a method for managing image material, comprising microscope images of biologic material, in a computer system (101) which is adapted to communicate with computers (105, 106, 107) of a number of users via a network (108), the image material comprising a number of image files which are stored in an image database (109) connected to the computer system (101). The method comprises the step of storing (301) at least one link to a first image file, which comprises a microscope image, among said image files in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least a first user among said number of users, whereby image information associated with the first image file and including the enlargement factor of the microscope image becomes available for said first user by reference to said link.

Description

METHOD AND ARRANGEMENT FOR MANAGING IMAGES IN A COMPUTER SYSTEM

Field of the Invention

The present invention relates to methods for managing image material in a computer system according to claims 1 and 8, and corresponding arrangements and soft- ware according to claims 6 and 7, and 20 and 21 respectively. The invention also relates to a method according to claim 22. Background Art

Digital storage of images results in comprehensive possibilities compared with traditional managing of paper prints and negatives. By setting up databases, i.e. storage media with digitally stored images, which are kept available via computer networks, image material can quite easily be made available for a large number of users who reach the images via the network. The Internet affords additional possibilities since the images in an image database can be reached from a computer connected to the Internet anywhere in the world.

A simple image database can consist of a web page with a number of images. The images have names, and optionally a text portion can be placed beneath each image. A user who downloads the page can look at the images. Most browsers also allow the user to save an optional image, for example on the computer's hard disk or on a diskette. The user may then utilise the saved image in different ways. For instance, different image processing and image analysing processes can be carried out with the stored image as input data .

The above-mentioned storage of images, however, causes a few problems. If a large number of images are stored, the user must himself create a structure in this storage to have reasonable possibilities of keeping the image material in order. This is time-consuming. Besides, an image that is stored as described above is dislodged from its context, and any text beneath the image does not come along. If a large number of images are stored in this manner, also a large amount of storage space on the user's hard disk will be occupied. As an alternative, a link to the image on the home page can be stored locally on the user's hard disk. This saves space, but on the other hand the constancy of the link cannot be guaranteed.

Moreover the utilisation of the user's image mate- rial according to the above methods must exclusively occur locally, and it is not uncomplicated to access the hard disk of a personal computer, for example, via the Internet . Summary of the Invention An object of the present invention is to wholly or partly remedy the above problems.

This object is achieved by methods according to claims 1 and 8 , a corresponding arrangement and software according to claims 6 and 7, and 20 and 21 respectively, and a method according to claim 22.

More specifically, this object is achieved according to a first aspect of the invention by a method for managing image material, comprising microscope images of biologic material, in a computer system which is adapted to communicate with computers of a number of users via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system. The method comprises the steps of storing at least one link to a first image file, which comprises a microscope image, among said image files in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least a first user among said number of users and being available for said first user via the computer system, whereby image information associated with said image file and including the enlargement factor of the microscope image becomes available to said first user by reference to said link.

By using such a method, a number of advantages are achieved. The user need not store an interesting image, which he finds in the image database, on his own hard disk. Instead a link to the image is stored in the exclusive memory area which is connected to the computer system and which the user has the right to use. Therefore the image need only be stored physically in a single place. The image can then be reached by the user from all places where a computer connected to the network can be used. Nor is the image, which the user wants to save for later use removed from its context. Image information associated with the image can be reached by reference to the link. The exclusive memory area may also result in an organised structure, which facilitates the user's processing of saved image material. Moreover, since the enlargement factor of the microscope image is provided to the user, it is possible, for instance, to estimate the size of a pictured object.

Preferably the method further comprises the step of storing a comment, which is generated in the computer of said first user and associated with said link, in said exclusive memory area. This provides an efficient manner for the user to note, for example, why he has saved a certain image .

Preferably the method further comprises the step of storing an instruction, which is associated with said link and concerns how said first image file is to be processed, in said exclusive memory area. Then the user can save not only an image, but also a modified image in a memory-efficient manner.

The microscopic image suitably images biological material. The image information then comprises preferably information about this material. This enables utilisation of the system, for example in qualified medical research applications . According to a preferred embodiment of the present invention, the instruction which concerns processing of the image file comprises one of the following operations : enlargement, zooming, panning, focussing, color-bal- ancing, adjusting of brightness, filtration, marking of details, cutting out partial images or recognition of objects. This allows the method to be used in contexts where qualified image editing is necessary.

According to the first aspect of the invention, it also relates to an arrangement corresponding to the above method. The arrangement then comprises means for carrying out the different steps that are included in the method. The arrangement can be varied similarly to the method.

According to the first aspect of the invention, it also relates to a digital storage medium comprising a computer program with instructions corresponding to the above method. Then the program comprises instructions for carrying out the different steps included in the method. The computer program can be varied similarly to the method.

According to a second aspect of the present invention, the above object is achieved by a method for managing image material in a computer system, which is adapted to communicate with computers of a number of us- ers via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system. This method comprises the steps of transferring a program code from the computer system to the computer of a first user, which is included in said number of users, the code being intended to be executed in this computer; receiving a request to transfer graphical information corresponding to a first image file among said number of image files from said first user, by a link to the first image file being referred to by the computer of the first user, said link being stored in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least said first user and being available for said first user via the computer system; and transferring graphical information, which corresponds to said first image file, to the computer of the first user, said information being intended to be processed by the computer of the first user while using said program code, whereby image information, which is associated with the first image file, becomes available for said first user. This aspect of the invention supplements the first aspect as lock and key and involves corresponding advantages. That a program code is transferred as a part of the method is advantageous since the user need not himself ensure that he uses the latest version of software.

Preferably the method further comprises the step of: transferring a comment, which is associated with said link and which is stored in said exclusive memory area, to the first user, said program code being adapted to visually reproduce the transmitted comment. This involves advantages as mentioned above in conjunction with the corresponding embodiment of a method according to the first aspect of the invention.

According to a preferred embodiment of the invention, the method further comprises the step of: transferring an instruction, which is associated with said link and which is stored in said exclusive memory area, to the first user, said instruction concerning how said graphical information is to be processed, said program code being adapted to process said graphical information in accordance with this instruction. This involves advan- tages as mentioned above in conjunction with the corresponding embodiment of a method according to the first aspect of the invention.

The graphical information which corresponds to the first image file can include the same. However, it is also possible for the graphical information transferred to comprise a compressed version of the first image file. This requires a shorter transfer time when transferring the information from the computer system to the computer of the first user since a smaller amount of information is transferred.

The compressed version of the first image file can be stored in the image database, which allows the information to be transmitted without much processing in the computer system. The compressed version of the first image file, however, can alternatively be created by the computer system by processing of the first image file, after said request to transfer graphical information corresponding to the first image file has been received by the computer system. Then the compressed version of the image file need not be stored parallel with the same, which saves memory space. Preferably, the above-mentioned method also comprises the step of: transferring at least a subset of said image information to the computer of the first user to be shown in this computer while using said program code. This automatically provides the user with informa- tion associated with a downloaded image file.

Preferably the program code comprises instructions corresponding to a graphical user interface. The above- mentioned subset of image information is then intended to be shown when the first user marks a corresponding func- tion in the user interface.

The second aspect of the invention can also be varied similarly to the first aspect of the invention. According to the second aspect of the invention, it also relates to an arrangement corresponding to the above method. The arrangement then comprises means for carrying out the various steps that are included in the method. The arrangement can be varied similarly to the method.

According to the second aspect of the invention, it also relates to a digital storage medium comprising a computer program with instructions corresponding to the above method. Then the program comprises instructions for carrying out the various steps that are included in the method. The computer program can be varied similarly to the method.

According to a third aspect of the invention, the above object is achieved by a method for managing image material in a computer system, which is adapted to communicate with computers of a number of users via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system. The method comprises the step of: trans- ferring at least one link to a first image file among said image files, said link being stored in a first exclusive memory area on a memory medium connected to the computer system, said first exclusive memory area being associated with at least a first user among said number of users and being available for said first user via the computer system, to a second exclusive memory area on a memory medium connected to the computer system, said second exclusive memory area being associated with at least a second user among said number of users and being avail- able for said second user via the computer system, whereby image information associated with the first image file becomes available for said second user by reference to said link. Such a method allows the image information to be transmitted in an uncomplicated and memory-effi- cient manner between two of the system users. Also software and an arrangement corresponding to this aspect of the invention can be perceived. Brief Description of the Drawings

Fig. 1 shows a computer system according to the in- vention.

Fig. 2 shows an example of a user interface in connection with which the inventive method is intended to be used.

Fig. 3 is a flow chart of a method according to the first aspect of the invention.

Fig. 4 is a flow chart of a method according to the second aspect of the invention. Fig. 5 is a flow chart of a method according to the third aspect of the invention. Description of Preferred Embodiments

Fig . 1 shows a computer system according to the in- vention. The computer system 101, also referred to as server, then includes at least one or more processors 102, a communication interface 103 and an internal memory 104. With the aid of the communication interface 103, the computer system can communicate with computers 105, 106, 107 of a number of users, said computers also being referred to as clients. This communication proceeds via a network or a cluster of networks 108, such as the Internet. The users can suitably use ordinary browsers 105 N 106', 107' when they make use of the services provided by the computer system 101.

An image database 109 is connected to the computer system 101. The fact that the image database is connected to the computer system 101 means that the computer system 101 can reach the memory area, which the image database uses. The image database 109 can be physically included in the computer system 101, i.e. be placed on a hard disk in the computer system or the web server 101. It can also be placed on a separate hard disk, which can be both geographically close to the computer system 101 and placed at a long distance therefrom. The computer system 101 can possibly also reach information in the image database 109 via the Internet. The image database 109 can also be distributed among a plurality of storage media.

A large amount of images are stored in the image da- tabase 109. Preferably, the images can consist of digital images stored in an uncompressed format, such as TIFF files. It is also possible to use compressed file formats, such as GIF or JPEG. A storage medium 110 with a plurality of exclusive memory areas 111 is also connected to the computer system 101. This storage medium can be configurated similarly to the image database 109. An exclusive memory area 111 can be associated with a single user and is then referred to as a personal memory area. However, it is also possible for an exclusive memory area 111 to be associated with a group of users. When a user connects to the computer system via the Internet and en- ters his user identity and a password, he gains access to the exclusive memory areas with which the user is associated. It goes without saying that the user can identify himself towards the computer system 101 in other manners. According to the invention, the exclusive memory areas 111 will contain links to image files in the image database 109. If the owner of the computer system 101 for some reason wants to move one or more image files to a new physical address in the image database 109, he can quite easily update the links in the exclusive memory ar- eas 111 since they are connected to the computer system. The exclusive memory areas can be located in the same physical memory medium as the image database 109. An image information database 112 is also connected to the computer system. This database can be configured similarly to the image database. The image information database 112 comprises information about at least a subset of the images in the image database 109. Conveniently it is ensured that each image in the image database 109 has an identity number and that a corresponding infor- mation item in the image information database 112 has the same identity number. However, it is also possible to integrate the image information database 112 in the image database 109. Then the image database 109 comprises a number of abstract data types. Each data type then in- eludes an image and optionally information about the image .

If microscope images are included in the image material stored in the image database 109, the enlargement factor with which the image is taken is suitably included in the corresponding information item in the image information database 112. The enlargement factor can otherwise be difficult to estimate intuitively. If the image mate- rial in the image database 109 comprises biological image material, such as microscope photographs of cells or tissue, corresponding information items in the image information database 112 should comprise information about the biological object that has been photographed. Also information about the method used when taking the photo should be included, for example how a smear was stained.

Fig. 2 illustrates an example of a user interface, with which the inventive method is intended to be used. A user who has logged on the service of the computer system has subsequently made a search in the image information database. The user has stated a search key, which corresponds, for example, to a certain state of ill- health. This search has resulted in a number of hits which each correspond to an image of e.g. biological cell material which is affected by the above-mentioned state of ill-health. When the user marks a hit in a list of hits, a user interface with a screen 201 resembling the one in Fig. 2 is shown. The user interface is included in a JAVA script, which is downloaded to the user's computer when connected to the computer system. The selected image 202 is now displayed on an image area in the upper left part of the user interface. Also the identity 203 of the image is displayed in the user interface. The user can now perform a number of operations on the image 202. He can zoom in a certain area 204 by clicking a zoom button 205 in the user interface with a mouse pointer and then mark the area 204. Then this part is enlarged so as to cover all of the part of the surface of the user interface, which is available for images. The user can then pan the enlarged surface by activating a panning function with a panning button 206.

A marking function can be activated with a marking button 207. Then the user will be able to place a cursor 208 in the image 202, which marks7 an interesting detail 209 in the image 202. The user can adjust the brightness of the image by clicking a brightness button 210, or carrying out color-balancing by clicking a color button 211.

The user interface may comprise buttons for more functions than those shown in Fig. 2. For instance, there may be buttons for carrying out enlargement, focusing, filtration of different kinds, cutting out a partial image, object recognition, or resetting to the original state .

It is possible to show different sets of information from the image information database by clicking different information buttons 212, 213. The set of information, which is selected, is then shown in an information window 214 beside the image. A first set of information which is shown when the user clicks a first information button 212 may contain information about how a microscopic image is taken: with which enlargement factor, with which type of optics, how the smear is stained and illuminated etc. A second set of information may contain information, for example, about the tissue imaged by the image: diagnosis, age and sex of the patient, other images in the image database of the same material etc.

If the user finds the image interesting, he can choose to save it by clicking a save button 215. The image will then not be saved physically in one more place. Instead a link to the image in the image data-base is saved in an optional exclusive memory area which is associated with the user.

Preferably the user will then get an opportunity to comment on the image in a dialog box, for example by mak- ing a note why he finds the image worth saving. Also such a comment can be stored in the exclusive memory area together with the link.

If the user has somehow manipulated the image, for example zoomed a certain area, increased the brightness by 20% and put a mark in co-ordinate x,y in the image, these operations can be saved, as a series of instructions regarding how the image is to be managed, in the exclusive memory area together with the link to the image.

On a later occasion the user can activate or refer to the link. This can be done by the user entering his exclusive memory area, which may have a hierarchic structure with catalogues and subcatalogues, and, for example, clicking the link to the image. It is also possible to let a program in the user's computer refer to the link by requesting the same in a program. When doing so, the image is loaded from the image database 109 to an application in the user's computer. The application may consist of the same user interface as described above. By reference to the link, also image information in the image information database becomes available for the user. If the user has inputted a comment, this too can be shown in the application. If instructions regarding how the image is to be managed are stored together with the link, these can be carried out on the image so that it will be transformed to the state in which it was once saved.

The link that has been created can also be used in other applications; for instance, a presentation or an interactive course can be formulated, where links are referred to and shown. Fig. 3 is a flow chart of a method 300 according to the first aspect of the invention. In a first step 301, a link to an image file in the image database is stored in an exclusive memory area on a memory medium. The memory area, which is connected to the computer system, is asso- ciated at least with the user. In an optional second step

302, a comment is stored, which is generated in the user's computer and associated with the link in the exclusive memory area. In an optional third step 303, an instruction is stored, which is associated with the link and which concerns how the image file is to be processed, in the personal memory area. Fig. 4 is a flow chart of a method 400 according to the second aspect of the invention. In a first step 401, a program code is transferred from the computer system to the computer of a user. The program code is intended to be executed in this computer, possibly after translation. In a second step 402, a request to transfer graphical information corresponding to an image file from the user, is received by a link to the first image file being referred to by the user's computer. The link is stored in an exclusive memory area, which is associated at least with the user. In a third step 403, graphical information corresponding to the image file is transferred to the user's computer. This information is intended to be processed by the user's computer while utilising the program code. Image information associated with the first image file will then be available for the user. In an optional fourth step 404, a comment which is associated with the link and which is stored in the exclusive memory area is transferred to the user. The program code reproduces the transmitted comment visually so that it can be read by the user. In an optional fifth step 405, an instruction associated with the link and stored in the exclusive memory area is transferred to the user. The instruction concerns how the graphical information is to be process-ed. The program code is adapted to process the graphical information according to this instruction, for example zoom in a certain area, change brightness etc. In an optional sixth step 406, at least a subset of the image information associated with the image is transferred to the first user's computer to be shown in this computer while utilising the program code.

Fig. 5 is a flow chart of a method 500 according to the third aspect of the invention, where an image is transferred from a first to a second user. In a first step 501, a link from a first user's exclusive memory area is transferred to a second user's exclusive memory area. The link points at a first image file among the im- age files in an image database. The first image file will then be available for the second user by reference to the link. This also applies to image information associated with the first image file. Thus ' the image is not trans- ferred physically, only the link is transferred.

The scope of protection is not restricted by the embodiments described above. The invention can be varied within the scope of the appended claims .

Claims

1. A method for managing image material, comprising microscope images of biologic material, in a computer system (101) which is adapted to communicate with computers (105, 106, 107) of a number of users via a network (108) , the image material comprising a number of image files which are stored in an image database (109) connected to the computer system (101) , c h a r a c - t e r i s e d by the step of
- storing (301) at least one link to a first image file, which comprises a microscope image, among said image files in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least a first user among said number of users and being available for said first user via the computer system, whereby image information associated with the first image file and including the enlargement factor of the microscope image becomes avail- able for said first user by reference to said link.
2. A method for managing image material as claimed in claim 1, the method further comprising the step of
- storing (302) a comment, which is generated in the computer of said first user and associated with said link (302) , in said exclusive memory area.
3. A method for managing image material as claimed in claim 1 or 2 , further comprising the step of
- storing (303) an instruction, which is associated with said link and concerns how said first image file is to be processed, in said exclusive memory area.
4. A method for managing image material as claimed in any of the preceding claims, wherein said microscope image images biologic material and wherein said image information comprises information about this material.
5. A method for managing image material as claimed in claim 3, wherein said instruction which concerns processing of said image file comprises one of the following operations: enlargement, zooming, panning, focussing, color-balancing, adjustment of brightness, filtration, marking of details, cutting out partial images or recognition of objects.
6. An arrangement for managing image material, comprising microscope images of biologic material, in a computer system, which is adapted to communicate with computers of a number of users via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system, c h a r a c t e r i s e d by means for storing at least one link to a first image file, which comprises a microscope image, among said image files in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least a first user among said number of users and available for said first user via thecomputer system, whereby image information associated with the first image file and including the enlargement factor of the microscope image becomes available for said first user by reference to said link.
7. A digital storage medium which is readable to a computer system and which comprises a computer program for managing image material, comprising microscope images of biologic material, in a computer system, which is adapted to communicate with computers of a number of users via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system, c h a r a c t e r i s e d in that the computer program comprises instructions for the step of
- storing at least one link to a first image file, which comprises a microscope image among said image files, in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least a first user among said number of users and being available for said first user via the computer system, whereby image information, which is associated with the first image file and which includes the enlargement factor of the microscope image, becomes available for said first user by reference to said link.
8. A method for managing image material in a computer system (101) , which is adapted to communicate with computers (105, 106, 107) of a number of users via a network (108) , the image material comprising a number of image files, which are stored in an image, database (109) connected to the computer system, c h a r a c t e r i s e d by the steps of
- transferring (401) a program code from the computer system to the computer of a first user, which is included in said number of users, the code being intended to be executed in this computer,
- receiving (402) a request to transfer graphical information corresponding to a first image file among said number of image files from said first user, by a link to the first image file being referred to by the computer of the first user, said link being stored in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least said first user and being available for said first user via the computer system, and
- transferring (403) graphical information, which corresponds to said first image file, to the computer of the first user, said information being intended to be processed by the computer of the first user while using said program code, whereby said image information, which is associated with the first image file, becomes available for said first user.
9. A method for managing image material as claimed in claim 8, further comprising the step of - transferring (404) a comment, which is associated with said link and which is stored in said exclusive mem- ory area, to the first user, said program code being adapted to visually reproduce the transmitted comment.
10. A method for managing image material as claimed in claim 8 or 9, further comprising the step of - transferring (405) an instruction, which is associated with said link and which is stored in said exclusive memory area, to the first user, said instruction concerning how said graphical information is to be processed, said program code being adapted to process said graphical information in accordance with this instruction.
11. A method for managing image material as claimed in any one of claims 8-10, wherein said first image file is a microscope image and wherein said image information comprises with which enlargement factor this is taken.
12. A method for managing image material as claimed in claim 11, wherein said microscope image images biological material and wherein said image information comprises information about this material.
13. A method for managing image material as claimed in claim 10, wherein said instruction which concerns processing of said image file comprises one of the following operations: enlargement, zooming, panning, focussing, color-balancing, adjustment of brightness, filtration, marking of details, cutting out partial images or recognition of objects.
14. A method for managing image material as claimed in any one of claims 8-13, wherein said graphical information which corresponds to said first image file com- prises said first image file.
15. A method for managing image material as claimed in any one of claims 8-13, wherein said graphical information which corresponds to said first image file comprises a compressed version of said first image file.
16. A method for managing image material as claimed in claim 15, wherein said compressed version of the first image file is stored in the image database.
17. A method for managing image material as claimed in claim 15, wherein said compressed version of the first image file is created by the computer system, by processing of the first image file, after said request to trans- fer graphical information which corresponds to the first image file has been received by the computer system.
18. A method for managing image material as claimed in any one of claims 8-17, further comprising the step of
- transferring (406) at least a subset of said image information to the computer of the first user to be displayed in this computer while using said program code.
19. A method for managing image material as claimed in claim 20, wherein the program code comprises instructions corresponding to a graphical user interface and wherein said subset of information is intended to be displayed when the first user marks a corresponding function in the user interface.
20. An arrangement for managing image material in a computer system, which is adapted to communicate with computers of a number of users via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system, c h a r a c t e r i s e d by means for transferring a program code from the computer system to the computer of a first user, said first user being included in said number of users, the code being intended to be executed in this computer; means for receiving a request to transfer graphical information which corresponds to a first image file among said number of image files, from said first user, by a link to the first image file being referred to by the first user, said link being stored in an exclusive memory area on a memory medium connected to the computer system, said exclusive memory area being associated with at least said first user and being available for said first user via the computer system; and means for transferring graphical information, which corresponds to said first image file, to the computer of the first user, said information being intended to be processed by the computer of the first user while using said program code, whereby image information, which is associated with the first image file, becomes available for said first user.
21. A digital storage medium, which is readable to a computer system and which comprises a computer program for managing image material in a computer system, which is adapted to communicate with computers of a number of users via a network, the image material comprising a number of image files which are stored in an image database connected to the computer system, c h a r a c t e r i s e d in that the computer program comprises instructions for the steps of - transferring a program code from the computer system to the computer of a first user, said first user being included in said number of users, the code being intended to be executed in this computer,
- receiving a request to transfer graphical informa- tion, which corresponds to a first image file among said number of image files, from said first user, by a link to the first image file being referred to by the first user, said link being stored in an exclusive memory area on a memory medium connected to the computer system, said ex- elusive memory area being associated with at least said first user and being available for said first user via the computer system, and
- transferring graphical information, which corresponds to said first image file, to the computer of the first user, said information being intended to be processed by the computer of the first user while using said program code, whereby image information, which is associated with the first image file, becomes available for said first user.
22. A method for managing image material in a computer system (101) , which is adapted to communicate with computers (105, 106, 107) of a number of users via a net- work (108) , the image material comprising a number of image files which are stored in an image database (109) connected to the computer system, c h a r a c t e r i s e d by the step of - transferring (501) at least one link to a first image file among said image files, said link being stored in a first exclusive memory area on a memory medium connected to the computer system, said first exclusive memory area being associated with at least a first user among said number of users and being available for said first user via the computer system, to a second exclusive memory area on a memory medium connected to the computer system, said second exclusive memory area being associated with at least a second user among said number of users and being available for said second user via the computer system, whereby image information associated with the first image file becomes available for said second user by reference to said link.
PCT/SE2001/000888 2000-05-10 2001-04-26 Method and arrangement for managing images in a computer system WO2001086500A1 (en)

Priority Applications (2)

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SE0001720A SE0001720L (en) 2000-05-10 2000-05-10 Method and arrangement for information
SE0001720-2 2000-05-10

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276805A (en) * 1989-05-30 1994-01-04 Fuji Photo Film Co., Ltd. Image filing system which has retrieval data containing link information between image data
WO1995032456A2 (en) * 1994-05-16 1995-11-30 Quintiles Transnational Corporation Electronic document management system with document imaging

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5276805A (en) * 1989-05-30 1994-01-04 Fuji Photo Film Co., Ltd. Image filing system which has retrieval data containing link information between image data
WO1995032456A2 (en) * 1994-05-16 1995-11-30 Quintiles Transnational Corporation Electronic document management system with document imaging

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SE0001720L (en) 2001-11-11
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