WO2001080150A1 - Procede permettant de produire des cartes postales electroniques - Google Patents

Procede permettant de produire des cartes postales electroniques Download PDF

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Publication number
WO2001080150A1
WO2001080150A1 PCT/DK2001/000249 DK0100249W WO0180150A1 WO 2001080150 A1 WO2001080150 A1 WO 2001080150A1 DK 0100249 W DK0100249 W DK 0100249W WO 0180150 A1 WO0180150 A1 WO 0180150A1
Authority
WO
WIPO (PCT)
Prior art keywords
image
colour
register marks
information page
colour image
Prior art date
Application number
PCT/DK2001/000249
Other languages
English (en)
Other versions
WO2001080150A8 (fr
Inventor
Mikkel Bille Stegmann
Anders Blauenfeldt
Original Assignee
Dipcard.Com Aps
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dipcard.Com Aps filed Critical Dipcard.Com Aps
Priority to AU48285/01A priority Critical patent/AU4828501A/en
Publication of WO2001080150A1 publication Critical patent/WO2001080150A1/fr
Publication of WO2001080150A8 publication Critical patent/WO2001080150A8/fr

Links

Classifications

    • G06T5/80—
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/60—Editing figures and text; Combining figures or text
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/20—Image preprocessing
    • G06V10/24—Aligning, centring, orientation detection or correction of the image
    • G06V10/245—Aligning, centring, orientation detection or correction of the image by locating a pattern; Special marks for positioning
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/14—Image acquisition
    • G06V30/1444—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields
    • G06V30/1448—Selective acquisition, locating or processing of specific regions, e.g. highlighted text, fiducial marks or predetermined fields based on markings or identifiers characterising the document or the area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32128—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32106—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title separate from the image data, e.g. in a different computer file
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3204—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium
    • H04N2201/3207—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to a user, sender, addressee, machine or electronic recording medium of an address
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3261—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of multimedia information, e.g. a sound signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3261—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of multimedia information, e.g. a sound signal
    • H04N2201/3266—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of multimedia information, e.g. a sound signal of text or character information, e.g. text accompanying an image
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3273—Display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3274—Storage or retrieval of prestored additional information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3274—Storage or retrieval of prestored additional information
    • H04N2201/3277—The additional information being stored in the same storage device as the image data

Definitions

  • the invention relates to a method of producing, sending and displaying handwritten electronic postcards of the type described in the preamble to claim 1.
  • the object of the invention is to provide a method of producing electronic postcards which may be exploited by more simple means than hitherto.
  • the method according to the invention is characterised in that the presence of the four register marks is detected by means of the equipment, that the brightness, contrast, colour and position of the register marks are measured, and the colour image of the white surface subsequently is transformed by means of the measured positions of the register marks in such a manner that the register marks form a rectangle, and further that the brightness, contrast and colour of the transformed electronic colour image is adjusted dynamically in relation to the transformed colour image by means of the measured brightness, contrast, colour, and moreover that the transformed adjusted colour image is trimmed so as to substantially only comprise the centrally arranged frame, and finally that the end result is stored together with the first information page as an electronic postcard on the electronic data processing equipment.
  • the electronic data processing equipment may be a computer, several computers connected in a network or a machine specifically designed to this purpose or a network server. The use of an image scanner or the like equipment is thus avoided, whereby the manufacture of the postcards is simplified.
  • the detection of the four register marks comprises the following steps:
  • the algorithm used for detecting the register marks thus operates on a grey scale image of the colour image to reduce the length of time needed for calculating the transformation parameters.
  • An electronically stored colour image typically has a resolution of 24 bit corresponding to about 16.7 million shades.
  • An electronically stored grey scale (black/white) image has, however, a grey scale resolution of merely 8 bit corresponding the 256 grey tones.
  • a number of positions are accessible from a storage, said positions representing register marks positioned in the corners of predetermined perspectively distorted rectangles. These positions are compared with the detected positions of the four register marks in the grey scale copy of the colour image.
  • a warning function may be built into this part of the algorithm, said function being activated, if the stored rectangles do not include a rectangle mating the rectangle calculated by the detection of the four register marks. If a mating rectangle is not found, the warning function may be used to disrupt the further processing of the image, as the resulting transformed colour image would be of an inferior quality.
  • the transformation of the colour image of the white surface may comprise a division of the quadrangle defined by the four detected register marks into at least two triangles and a subsequent affine transformation of the colour image of the white surface by means of the located register mark positions such that the quadrangle substantially forms a rectangle after the transformation.
  • a non-rectangular quadrangle is transformed into a substantially rectangular image.
  • the quadrangle is divided into any number of triangles, eg four, eight or sixteen. The higher number of triangles into which the quadrangle is divided, the better the resulting transformation.
  • the calculation time increases correspondingly.
  • the grey scale image is advantageously used for calculating the transformation parameters used on the original colour image.
  • the transformation of the colour image of the white surface may be determined directly by means of the detected register mark positions such that the quadrangle substantially forms a rectangle after the transformation, said transformation determination being performed by solving an equation for the perspective projection of the detected register mark positions .
  • a higher degree of freedom is obtained when carrying out the transformation.
  • an image of a non-rectangular quadrangle substantially forming a rectangle is obtained.
  • the adjustment of the brightness, contrast and colour of the transformed colour image may include a measurement of the lighting conditions of each of the four register marks and a subsequent exposure compensation thereof, a linear stretch and limitation algorithm and a bilinear interpolation being carried out on the pixels between the register marks, and a suitable colour correction being carried out on the colour image obtained by the exposure compensation so as to reduce any flaws, which may have been enhanced by the exposure compensation.
  • the algorithm is thus able to correct the variations in the brightness, contrast, and colour present in the transformed colour image such that the white surface in the resulting image appears as even as possible.
  • the linear stretch and limitation algorithm displaces the colour histogram representing the differences in colour between two register marks, and the bilinear interpolation smooths out any occurring variations.
  • the exposure compensation inevitably intensifies any colour engraving (discolouration) in the portions of the image, which is most unevenly exposed, a final colour correction is made of the adjusted transformed image such that the resulting image has a correct colour composition.
  • the storage of the first and second information page of the electronic postcard may be performed such that the first information page may be publicly displayed, while the second information page only is displayed after a unique access code for the electronic postcard has been entered.
  • An electronic postcard is thus obtained, of which the first information page (the front) is made public after the forwarding of the postcard, while the second information page (the back with the handwritten message) may only be accessed by the intended recipient of the postcard.
  • Fig. 1 illustrates a first information page of an electronic postcard
  • Fig. 2 illustrates a second information page of an electronic postcard provided with register marks
  • Fig. 3 is an illustration of second information page to be adjusted to a predetermined rectangle.
  • the two information pages shown in Figs. 1 and 2 form the two parts of the completed electronic postcard.
  • the information page 1 shown in Fig. 1 may contain a colour photograph or any optional colour image, while the second information page
  • each register mark is formed as a number of dark and light concentric disks.
  • the first information page 1 is typically a digital photograph of the sender
  • the second information page 2 is a preprinted sheet of paper, eg in A4 size, on which the sender of the electronic postcard writes his greeting and the address of the recipient in the fields 5 and 6, respectively.
  • Fig. 3 shows a colour image 8 of the second information page 2, which in the preferred embodiment has been taken by means of a digital camera and shown in Fig.
  • the colour image 8 of the information page 2 is perspectively distorted in relation to the image rendered of the information page 2 by means of an image scanner or a photocopier. It appears from Fig. 3 that the four register marks 4 of the information page 2 are not coincident with the theoretically correct register marks 4' .
  • the colour image 8 is then electronically manipulated by means of the data processing equipment such that the image 8 resembles the information page 2 in Fig. 2 as much as possible.
  • a detection of the register marks 4 may be carried out by generating a grey scale image of the colour image 8 by means of the electronic data processing equipment.
  • This grey scale image enables the data processing equipment to produce a number of copies of decreasing resolutions. This means that if the original colour image 8 has a resolution of for instance 1024 x 768 pixels, the first grey scale image also has a resolution of 1024 x 768 pixels, while the subsequent copies of the grey scale image have resolutions of 512 x 384 pixels, 256 x 192 pixels, 128 x 96 pixels, etc.
  • the contrast and the positions of the register marks 4 are subsequently measured by searching the copies of the grey scale image, starting with the copy having the lowest resolution, in order to locate the positions of the four register marks 4 in each of the copies having a different resolution. For this purpose a correlation measure for corresponding pixels between the individual copies may be used. Both the positions and the sizes of the four register marks 4 are found at this search.
  • the determined register mark position sets 4 in the copies of the grey scale image of the image 8 may now be compared with a set of predetermined stored register mark position sets 4' .
  • Each of these position sets 4' corresponds to a specific perspective angle, and the electronic data processing equipment may be instructed to issue a warning signal, if the difference between the stored register mark position sets 4' and the register mark position sets 4 of the copies exceeds a predetermined threshold value above which the image 8 cannot be corrected.
  • a transformation of the image 8 usually takes place according to the parameters calculated in the preceding steps, if the difference between the two register mark position sets is small.
  • the transformation may be performed by dividing the quadrangle defined by four register marks 4 into a number of triangles, eg two, and subsequently carrying out a piecewise affine transformation of the image according to these parameters. As a result the image 8 has been adjusted to a rectangle.
  • the perspective adjustment may be performed by directly solving the equation for perspective projection of a plane. This is made by determining the nine parameters characterising the orientation of the plane in relation to the focal plane.
  • the brightness and contrast of the transformed colour image may be adjusted by carrying out an exposure compensation of the result by means of the measured lighting conditions for each of the four register marks 4.
  • a linear stretch and limitation algorithm as well as a bilinear interpolation may be carried out. Any differences in colour caused by uneven exposure are hereby displaced.
  • the resulting colour image may be colour-corrected to reduced the flaws, which inevitably occur during the exposure compensation.
  • the contrast-adjusted colour image 8 may be trimmed to contain only the rectangular frame 7, whereby the register marks no longer are visible.
  • the produced information page 1 containing the transformed, colour- and exposure-corrected colour image 8 may be stored on the electronic data processing equipment in such a manner that the first information page 1 is publicly accessible and the second information page 2 only is accessible by means of a unique access code or the like issued to the persons to whom the postcard is to be sent.
  • the said persons will receive a message in their electronic mailbox notifying them of the existence of the electronic postcard and containing details about the sender, the unique access code and how to fetch the electronic postcard.
  • the transmission of the card may in practice for instance take place from a suitable stall or the like comprising electronic equipment such as a computer.
  • the stall may be placed in an amusement park, close to a landmark or at a traffic centre, such as an airport and a train station. It would be possible for the vendor of the postcard to take the electronic photograph to be used on the first information page 1 and to copy the second information page 2 after a customer has written a message, eg a holiday greeting, and the address in the fields 5 and 6, respectively.
  • the vendor transmits the two information pages to a centrally placed (anywhere in the world) electronic postcard server forwarding the electronic postcard to the recipient, who may access the postcard as described above.
  • the recipient has access to equipment, which is able to receive and display the postcard, typically a PC or the like equipment linked with a network such as the Internet.
  • the invention has been described in connection with the manufacture of quadrangle electronic postcards, but is not restricted thereto or any other respect. It is also possible that card may have other sizes such as pentagonal.
  • the method may furthermore be generally used in connection with adjusting and trimming perspectively distorted images.
  • the method according to the invention may be used in connection with photographing packages or the like, a perspective adjustment of the taken images being made on the basis of the register marks present in the image.
  • This feature is advantageous in that the invoice and/or address information attached to the packages may be read by means of a camera. The reading may be performed automatically, the packages passing a camera while being conveyed along a conveyor belt.
  • the method may also be used in other situations, where selected portions of an image are to be perspectively adjusted on the basis of register marks in the image.
  • This feature is of great interest in connection with the recording of sporting events, where the recording may contain boards placed around a sport field or pitch.
  • Information about perspectively adjustment of the boards to a well-defined rectangular image is determined continuously and used for making an inverse transformation of a selected rectangular image such that the selected rectangular image or portions thereof is/are transformed on the respective board in the image.
  • suitable advertisements or any other information may be supplied continuously to the boards appearing in the recording.
  • the image is manipulated such that the modified recording gives the impression that the added information actually is printed on the boards.
  • the physical boards need not have any advertisement printed thereon or the printed information may at least differ from the information added to the manipulated recording.
  • This embodiment may for instance be used for presenting different advertisements to different groups of viewers. An advertisement or a presentation may thus be specifically targeted or the presented information may be customised for local markets at international television broadcasts or the like.
  • the invention may be implemented such that the method may be used directly in a digital camera during use thereof.
  • the digital camera thus comprises an image recording unit, a control unit, a storage and an output unit.
  • the control unit is adapted to load image information received continuously via the image recording unit, which comprises a lense and a CCD chip or the like equipment.
  • the control unit is also adapted to process the received image information by means of the method according to the invention, whereby a desired transformation of the image takes place.
  • the manipulated image is then transmitted to the output unit to be stored thereon or forwarded to external equipment communicating therewith.

Abstract

La présente invention concerne un procédé permettant de produire, d'envoyer et d'afficher des cartes postales électroniques ayant une première et une seconde page d'informations (1, 2), ladite seconde page d'informations (2) comportant un cadre (7). Quatre repères (4) disposés sur une surface blanche permettent à une image photographique (8) de la surface blanche d'être corrigée vis-à-vis d'une distorsion optique, et compensée par détection de la présence des quatre repères (4). Les contrastes et les positions des repères (4) sont mesurés, et l'image couleurs de la surface blanche (8) est ensuite convertie de sorte que les repères (4) forment un rectangle. La luminosité et le contraste de l'image couleurs convertie sont ensuite ajustés de façon dynamique et une compensation ultérieure de l'image couleurs convertie, à contraste ajusté, est réalisée de sorte que l'image ne contient sensiblement que le cadre (7). Le résultat final est enregistré avec la première page d'informations (1) sous forme d'une carte postale électronique sur un équipement de traitement de données. L'enregistrement de la première et de la seconde page d'informations (1, 2) de la carte postale électronique est réalisé de sorte que la première page d'informations (1) est affichée publiquement, alors que la seconde page d'informations (2) n'est affichée qu'après qu'un code d'accès à la carte postale électronique n'ait été entré. Cela permet d'obtenir un procédé servant à produire des cartes postales électroniques, qui peut être mis en oeuvre par des moyens plus simples que dans les procédés de l'état de la technique.
PCT/DK2001/000249 2000-04-14 2001-04-10 Procede permettant de produire des cartes postales electroniques WO2001080150A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU48285/01A AU4828501A (en) 2000-04-14 2001-04-10 Method of producing electronic postcards

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DKPA200000635 2000-04-14
DK200000635A DK200000635A (da) 2000-04-14 2000-04-14 Fremgangsmåde til fremstilling af elektroniske postkort.

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Publication Number Publication Date
WO2001080150A1 true WO2001080150A1 (fr) 2001-10-25
WO2001080150A8 WO2001080150A8 (fr) 2003-05-15

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DK (1) DK200000635A (fr)
WO (1) WO2001080150A1 (fr)

Cited By (5)

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US7653690B2 (en) 2003-06-05 2010-01-26 Block Communications, Inc. Method and apparatus for electronic postcard communication
EP2608513A1 (fr) * 2010-09-21 2013-06-26 King Jim Co., Ltd. Système de traitement d'image et objet de capture d'image utilisé avec celui-ci
EP2682902A1 (fr) * 2012-07-05 2014-01-08 Holdham Surface imprimée et dispositif et procédé de traitement d'images d'une telle surface imprimée.
US8654218B2 (en) 2010-09-21 2014-02-18 King Jim Co., Ltd. Image processing system and imaging object used for same
EP2333696A3 (fr) * 2009-12-07 2015-10-14 Konica Minolta Systems Laboratory, Inc Procédé d'enregistrement d'images pour comparer des images et authentifier des documents

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Publication number Priority date Publication date Assignee Title
US6018774A (en) * 1997-07-03 2000-01-25 Yobaby Productions, Llc Method and system for creating messages including image information

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6018774A (en) * 1997-07-03 2000-01-25 Yobaby Productions, Llc Method and system for creating messages including image information

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7653690B2 (en) 2003-06-05 2010-01-26 Block Communications, Inc. Method and apparatus for electronic postcard communication
EP2333696A3 (fr) * 2009-12-07 2015-10-14 Konica Minolta Systems Laboratory, Inc Procédé d'enregistrement d'images pour comparer des images et authentifier des documents
US8705068B2 (en) 2010-09-21 2014-04-22 King Jim Co., Ltd. Image processing system for placing detected symbols at predetermined locations on a document
EP2672428A3 (fr) * 2010-09-21 2014-01-01 King Jim Co., Ltd. Programme de traitement d'image
EP2680559A1 (fr) * 2010-09-21 2014-01-01 King Jim Co., Ltd. Objet d'imagerie
EP2608513A4 (fr) * 2010-09-21 2014-01-01 King Jim Co Ltd Système de traitement d'image et objet de capture d'image utilisé avec celui-ci
US8654218B2 (en) 2010-09-21 2014-02-18 King Jim Co., Ltd. Image processing system and imaging object used for same
EP2672428A2 (fr) * 2010-09-21 2013-12-11 King Jim Co., Ltd. Programme de traitement d'image
EP2610784A3 (fr) * 2010-09-21 2014-04-30 King Jim Co., Ltd. Système et procédé de traitement d'images
US8767099B2 (en) 2010-09-21 2014-07-01 King Jim Co., Ltd. Image processing system and imaging object used for same
EP2608513A1 (fr) * 2010-09-21 2013-06-26 King Jim Co., Ltd. Système de traitement d'image et objet de capture d'image utilisé avec celui-ci
EP2682902A1 (fr) * 2012-07-05 2014-01-08 Holdham Surface imprimée et dispositif et procédé de traitement d'images d'une telle surface imprimée.
FR2993082A1 (fr) * 2012-07-05 2014-01-10 Holdham Surface imprimee et dispositif et procede de traitement d'images d'une telle surface imprimee
EP3779785A1 (fr) * 2012-07-05 2021-02-17 Holdham Ensemble de surfaces imprimées et dispositif et procédé de traitement d'images d'une telle surface imprimée

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Publication number Publication date
WO2001080150A8 (fr) 2003-05-15
AU4828501A (en) 2001-10-30
DK200000635A (da) 2001-10-15

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