Image display system, image registration terminal device and image reading terminal device used in the image display system

Abstract

An image display system which improves the ease of use provided to an operator when an alteration is detected in image data that is to be displayed. An electronic watermark detecting section and forwarding request section are appended to a personal computer connected to a disk cache storing image data. The electronic watermark detecting section has a function of checking for alterations in the image data in the disk cache, and an interface to the forwarding request section is also appended thereto. A transmission section is appended to a personal computer connected to an optical disk device storing original image data. The forwarding request section has the function of sending a request from the electronic watermark detecting section to the transmission section, and the function of transferring the image data transmitted form the transmission section, to the electronic watermark detecting section. The transmission section has the function of obtaining corresponding original image data from the optical disk device, in response to requests from the forwarding request section, and transmitting same to the forwarding request section. This image display system is suitable for use in a document management system comprising an image registration terminal, a reading terminal, and a server.

1 - 18 . (canceled)  
   
   
       19 . An image display system for document management comprising an image registration terminal device, a server, and a reading terminal device mutually linked by a network, wherein: 
 (A) said image registration terminal device comprises a first input section for converting a document into image data; and a first screen display section capable of displaying said image data and set-regions specified as prospective non-disclosure regions within an image data region of said image data;    (B) said server obtains and stores said image data and setting-data for said set-regions from said image registration terminal device; and    (C) said reading terminal device comprises a second input section for reading out said image data and said setting-data from said server; a region deciding section for deciding disclosure decided regions in said image data region and non-disclosure decided regions in said image data region with respect to said setting-data; and a second screen display section capable of displaying said image data, said set-regions, and said non-disclosure decided regions within said image data region.    
   
   
       20 . An image display system according to  claim 19 , wherein: 
 (A) said image registration terminal device further comprises:    a prospective non-disclosure region setting device for creating said setting-data for said set-regions;    a first memory for storing said image data and setting-data in a readable fashion; and    a first output section for reading out said image data and setting-data from said first memory and outputting same to be stored in said server, said first output section comprising said first screen display section; and    (B) said reading terminal device further comprises:    a disclosure data creating section for converting image data within said non-disclosure decided regions to non-readable data, converting image data within said disclosure decided regions to readable data, and creating disclosure data consisting of said non-readable and readable data;    a second output section for converting said disclosure data to a disclosure document having perceivable contents; and    a second memory for storing, in a readable fashion, said image data, said setting data, said readable and non-readable data, and said disclosure data, said output section comprising said second screen display section.    
   
   
       21 - 32 . (canceled)  
   
   
       33 . An image display system according to  claim 19 , wherein: 
 said first screen display section is capable of displaying structured image data created from said image data and setting data for said set regions;    said server obtains and stores said setting-data for said set-regions, and said structured image data; and    said second screen display section is capable of displaying disclosure data consisting of said non-readable data and readable data, obtained by converting the image data in the disclosure decided regions to readable data.    
   
   
       34 . An image display system according to  claim 33 , wherein: 
 (A) said image registration terminal device further comprises:    a prospective non-disclosure region setting device for creating said setting-data for said set-regions;    a structured image data creating section for creating said structured image data;    a reference data creating section for creating reference data for referencing said set-regions within said structured image data;    a first memory for storing said image data, said structured image data, said setting-data and said reference data, in a readable fashion; and    a first output section for reading out said structured image data, said setting-data and said reference data from said first memory and outputting same to said server for storage, said first output section comprising said first screen display section; and    (B) said reading terminal device further comprises:    a region deciding section for creating said image data on the basis of said structured image data, said setting-data and said reference data read out from said server, and then setting said disclosure decided regions and said non-disclosure decided regions with respect to the set-regions in said image data region of said image data;    a disclosure data creating section for creating said disclosure data by converting image data within said non-disclosure decided regions to said non-readable data, in addition to said readable data conversion;    a second output section for converting said disclosure data to a disclosure document having perceivable contents, said second output section comprising said second screen display section; and    a second memory for storing, in a readable fashion, said image data, said setting-data, said readable and non-readable data, and said disclosure data.    
   
   
       35 - 47 . (canceled)  
   
   
       48 . An image display system for document management comprising an image registration terminal device, server and reading terminal device mutually linked by a network, wherein: 
 (A) said image registration terminal device comprises a first input section for converting original image data for a document that is to be disclosed, into image data; and a first screen display section capable of displaying said image data and set-regions specified as prospective non-disclosure regions within an image data region of said image data;    (B) said server previously registers reading authorization level correspondence data and item name correspondence data relating to said reading authorization levels, and said server also obtains and stores said image data and setting-data for said set-regions from said image registration terminal device; and    (C) said reading terminal device comprises a second input section for reading out said image data, said setting-data, said reading authorization level correspondence data, and said item name correspondence data relating to said reading authorization levels, from said server; and a second screen display section capable of displaying said image data readable item names within said image data region said set-regions within said image data region, and non-disclosure decided regions within said image data region.    
   
   
       49 . An image display system according to  claim 48 , wherein: 
 (A) said image registration terminal device further comprises:    a prospective non-disclosure region setting device for creating said setting-data for said set-regions;    a first memory for storing said image data and setting-data in a readable fashion; and    a first output section for reading out said image data and setting-data from said first memory and outputting same to be stored in said server;    wherein said first output section comprises said first screen display section;    wherein said prospective non-disclosure region setting device comprises an index data creating section for creating index data relating to said image data and to said set-regions, as a portion of said setting-data;    wherein the index data relating to said image data comprises indexing keywords, and image data tag names and attribute names; and    wherein the index data relating to said set-regions comprises a region number, two-dimensional co-ordinate values, region width and region height for said set-regions, and name attributes indicating the item names relating to said set-regions;    (B) said server previously registers reading authorization level correspondence data and item name correspondence data relating to said reading authorization levels, and said server also stores said image data and said setting data from said image registration terminal device; and    (C) said reading terminal device further comprises:    a non-disclosed region deciding section for specifying said disclosure decided regions and said non-disclosure decided regions by selecting item names by specifying a read out reading authorization level, and specifying set-regions corresponding to the selected item names in said image data region, on the basis of item name correspondence data corresponding to said selected item names;    a disclosure data creating section for converting image data within said non-disclosure decided regions to non-readable data, converting image data within said disclosure decided regions to readable data, and creating disclosure data consisting of said non-readable and readable data;    a second output section for converting said disclosure data to a disclosure document having perceivable contents, said second output section comprising said second screen display section; and    a second memory for storing, in a readable fashion, said image data, said setting-data, said readable and non-readable data, said disclosure data, said reading authorization level correspondence data, and said item name correspondence data.    
   
   
       50 . An image display system according to  claim 19 , wherein: 
 said first screen display section is capable of displaying structured image data created from said image data and said setting-data;    said server previously registers reading authorization level correspondence data and item name correspondence data relating to said reading authorization levels, and said server also obtains and stores said structured image data in place of said image data and setting-data for said set-regions from said image registration terminal device;    said second input section reads out said structured image data, said reading authorization level correspondence data and said item name correspondence data, from said server; and    said second screen display section is capable of displaying readable item names, and disclosure data consisting of said non-readable data and readable data, obtained by converting the image data in the disclosure decided regions to readable data.    
   
   
       51 . An image display system according to  claim 50 , wherein 
 (A) said image registration terminal device further comprises:    a prospective non-disclosure region setting device for creating said setting-data for said set-regions;    a structured image data creating section for creating said structured image data;    a reference data creating section for creating reference data for referencing said set-regions within said structured image data;    a first memory for storing said image data, said structured image data, said setting-data and said reference data, in a readable fashion; and    a first output section for reading out said structured image data, said setting-data and said reference data from said first memory and outputting same to said server for storage;    wherein said first output section comprises said first screen display section;    wherein said prospective non-disclosure region setting device comprises an index data creating section for creating index data relating to said image data and to said set-regions, as a portion of said setting-data;    wherein said index data creating section comprises said reference data creating section as a portion thereof;    wherein the index data relating to said image data comprises indexing keywords, and image data tag names and attribute names; and    wherein the index data relating to said set regions comprises a region number, two-dimensional co-ordinate values, region width and region height for said set-regions, said reference data, and name attributes indicating the item names relating to said set regions;    (B) said server previously registers reading authorization level correspondence data and item name correspondence data relating to said reading authorization levels, and also storing said structured image data, said setting-data and said reference data, from said image registration terminal device; and    (C) said reading terminal device further comprises:    a non-disclosed region deciding section for specifying said disclosure decided regions and said non-disclosure decided regions by selecting item names by specifying a read out reading authorization level, and specifying set-regions corresponding to the selected item names in image data region of said image data, from said structured image data, said setting data and said reference data, on the basis of item name correspondence data corresponding to said selected item names;    a disclosure data creating section for creating said disclosure data by converting image data within said non-disclosure decided regions to said non-readable data, in addition to said readable data conversion;    a second output section for converting said disclosure data to a disclosure document having perceivable contents, wherein said second output section comprises said second screen display section; and    a second memory for storing, in a readable fashion, said image data, said setting-data, said readable and non-readable data, said disclosure data, said reading authorization level correspondence data and said item name correspondence data.    
   
   
       52 - 54 . (canceled)  
   
   
       55 . An image display system according to  claim 20 , wherein: 
 reader level data for specifying reader levels in relation to particular setting data elements of said setting-data is previously registered in said server; and    said region deciding section comprises a direct deciding section which sets regions and said non-disclosure decided regions within said image data region, directly, by specifying a reader level in said reader level data read out from said server by the second input section.    
   
   
       56 . An image display system according to  claim 55 , wherein said reader level data is data which is structured with respect to the reader level, reader name and a department title of a respective reader.  
   
   
       57 . An image display system according to  claim 55 , 
 wherein: in cases where a user name for said reader and a password for said reader are previously stored in said reader level data, as a registered user name and a registered password,    said region deciding section further comprises a comparing section for comparing said registered user name and said registered password read out from said server by said second input section with a user name and password input by said reader by means of said second input section;    and if the comparison performed by said comparing section produces a match, then said direct deciding section specifies said reader level for the matching reader name.    
   
   
       58 . (canceled)