US20070273837A1 - Projection device, image display system, information storage medium, and image processing method - Google Patents

Projection device, image display system, information storage medium, and image processing method Download PDF

Info

Publication number
US20070273837A1
US20070273837A1 US11/798,891 US79889107A US2007273837A1 US 20070273837 A1 US20070273837 A1 US 20070273837A1 US 79889107 A US79889107 A US 79889107A US 2007273837 A1 US2007273837 A1 US 2007273837A1
Authority
US
United States
Prior art keywords
image
adjustment
brightness
color difference
information
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.)
Abandoned
Application number
US11/798,891
Other languages
English (en)
Inventor
Shiki Furui
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Assigned to SEIKO EPSON CORPORATION reassignment SEIKO EPSON CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FURUI, SHIKI
Publication of US20070273837A1 publication Critical patent/US20070273837A1/en
Priority to US12/950,498 priority Critical patent/US8593482B2/en
Abandoned legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B37/00—Panoramic or wide-screen photography; Photographing extended surfaces, e.g. for surveying; Photographing internal surfaces, e.g. of pipe
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/13—Projectors for producing special effects at the edges of picture, e.g. blurring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3147—Multi-projection systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3179—Video signal processing therefor
    • H04N9/3182—Colour adjustment, e.g. white balance, shading or gamut

Definitions

  • the present invention relates to a projection device, an image display system, an information storage medium, and an image processing method.
  • JP-A-10-90645 discloses a method of projecting images using two or more liquid crystal projectors, detecting the luminance of light projected from each liquid crystal projector using a luminance sensor, and correcting the luminance of light projected from each liquid crystal projector based on the difference between the luminance of a reference projector and the lowest luminance.
  • a method of allowing the user to adjust projectors has also been proposed in addition to the method of using a sensor as disclosed in JP-A-10-90645.
  • JP-A-2005-283838 discloses an image processing device which displays an adjustment image for the user to adjust the grayscale, hue, or saturation parameter, adjusts a look-up table based on the adjustment value of each parameter set by the user, and corrects the color of image data using the look-up table.
  • FIGS. 5 to 7 of JP-A-2005-283838 disclose a method of separately adjusting the grayscale, hue, and saturation in units of colors such as R, G, B, C, M, and Y.
  • a projection device comprising:
  • an adjustment image generation section which generates an adjustment image which allows adjustments of brightness and color difference
  • an adjustment information generation section which generates brightness adjustment information indicating an adjustment value of the brightness and color difference adjustment information indicating an adjustment value of the color difference based on the operation information
  • an adjustment section which adjusts the brightness and color of an image based on the brightness adjustment information and the color difference adjustment information.
  • an image display system projecting images in parallel by using a plurality of the above-described projection devices.
  • an information storage medium storing a program causing a computer included in a projection device to function as:
  • an adjustment image generation section which generates an adjustment image which allows adjustments of brightness and color difference
  • an adjustment information generation section which generates brightness adjustment information indicating an adjustment value of the brightness and color difference adjustment information indicating an adjustment value of the color difference based on the operation information
  • an adjustment section which adjusts the brightness and color of an image based on the brightness adjustment information and the color difference adjustment information.
  • an image processing method comprising causing a projection device to generate an adjustment image which allows adjustments of brightness and color difference, receive operation information, generate brightness adjustment information indicating an adjustment value of the brightness and color difference adjustment information indicating an adjustment value of the color difference based on the operation information, and adjust the brightness and color of an image based on the brightness adjustment information and the color difference adjustment information.
  • FIG. 1 is a view showing an image display state according to one embodiment of the invention.
  • FIG. 2 is a diagram showing functional blocks of a projector according to one embodiment of the invention.
  • FIG. 3 is a flowchart showing the flow of an image adjustment process according to one embodiment of the invention.
  • FIG. 4 is a view showing a composite image according to one embodiment of the invention.
  • FIG. 5 is a table showing adjustment parameters according to one embodiment of the invention.
  • the invention may provide a projection device, an image display system, an information storage medium, and an image processing method capable of allowing a user to more appropriately adjust an image in a shorter period of time so that the image has the brightness and the color in conformity with the user's preference.
  • a projection device comprising:
  • an adjustment image generation section which generates an adjustment image which allows adjustments of brightness and color difference
  • an adjustment information generation section which generates brightness adjustment information indicating an adjustment value of the brightness and color difference adjustment information indicating an adjustment value of the color difference based on the operation information
  • an adjustment section which adjusts the brightness and color of an image based on the brightness adjustment information and the color difference adjustment information.
  • an image display system projecting images in parallel by using a plurality of the above-described projection devices.
  • an adjustment image generation section which generates an adjustment image which allows adjustments of brightness and color difference
  • an adjustment section which adjusts the brightness and color of an image based on the brightness adjustment information and the color difference adjustment information.
  • an image processing method comprising causing a projection device to generate an adjustment image which allows adjustments of brightness and color difference, receive operation information, generate brightness adjustment information indicating an adjustment value of the brightness and color difference adjustment information indicating an adjustment value of the color difference based on the operation information, and adjust the brightness and color of an image based on the brightness adjustment information and the color difference adjustment information.
  • the projection device and the like can adjust the brightness and the color of an image in response to brightness and color difference adjustment instructions. This enables the user to appropriately adjust an image in a shorter period of time so that the image has the brightness and the color in conformity with the user's preference.
  • the projection device may further comprise a projection section which projects a composite image obtained by superimposing the adjustment image on a calibration image, wherein the projection section may project the composite image adjusted by the adjustment section when the adjustment section has made adjustments.
  • the projection device may project the composite image of which the brightness and color have been adjusted based on the brightness adjustment information and the color difference adjustment information.
  • a calibration image generation section which generates a plurality of calibration images having different grayscales
  • adjustment image generation section may generate an image which allows selection of the grayscales of the calibration images as part of the adjustment image
  • the calibration image generation section may generate the calibration images corresponding to the selected grayscales based on the information of the selected grayscales
  • the projection device may project composite images obtained by superimposing the adjustment image and the calibration images corresponding to the selected grayscales.
  • the projection device may generate an image which allows selection of a grayscale of the calibration image as part of the adjustment image, receive information of the selected grayscale, generate the calibration image corresponding to the selected grayscale based on the information of the selected grayscale, and project a composite image obtained by superimposing the adjustment image and the calibration image corresponding to the selected grayscale.
  • the projection device and the like can adjust the brightness and the color in grayscale units, the user can more appropriately adjust an image so that the image has the brightness and the color in conformity with the user's preference.
  • the color difference may include a color difference between green and red and a color difference between blue and yellow.
  • the combination of green and red and the combination of blue and yellow respectively represent a complementary afterimage relationship. Therefore, when the user adjusts the color of an image while comparing multiple images, the user can intuitively adjust the color of the image utilizing the complementary afterimage relationship, whereby the user can more appropriately adjust the image so that the image has the brightness and the color in conformity with the user's preference.
  • a remote controller used for controlling each of the projection devices
  • the remote controller may input the operation information to the input section of each of the projection devices based on operation.
  • the user since the user can adjust an image using the remote controller without directly operating each projector, the user can adjust the image in a shorter period of time so that the image has the brightness and the color in conformity with the user's preference.
  • FIG. 1 is a view showing an image display state according to one embodiment of the invention.
  • each projector 10 is configured so that the user can adjust the brightness and the colors of the images 30 - 1 and 30 - 2 projected from the respective projectors 10 by adjusting the brightness and the color difference.
  • the projector 10 includes an input section 110 to which operation information and the like are input from the user, an adjustment information generation section 120 which generates brightness adjustment information indicating an adjustment value of the brightness and color difference adjustment information indicating an adjustment value of the color difference based on the operation information, a calibration image generation section 130 which generates multiple calibration images at different grayscales, and an adjustment image generation section 140 which generates an adjustment image for allowing the user to adjust the brightness and the color difference of an image.
  • the adjustment image is an on-screen display (OSD) image.
  • OSD on-screen display
  • the projector 10 also includes a composite image generation section 150 which generates a composite image in which the adjustment image is superimposed on the calibration image, an adjustment section 160 which adjusts the brightness and the color of the image based on the brightness adjustment information and the color difference adjustment information, and a projection section 190 which projects an image adjusted by the adjustment section 160 .
  • the following hardware may be applied, for example.
  • an infrared input port, a RAM, and the like may be applied.
  • the adjustment information generation section 120 a CPU, a RAM, and the like may be applied.
  • a ROM, an image processing circuit, and the like may be applied.
  • the composite image generation section 150 an image processing circuit and the like may be applied.
  • the adjustment section 160 a RAM, an image processing circuit, and the like may be applied.
  • the projection section 190 a light source, a liquid crystal panel, a liquid crystal driver, and the like may be applied.
  • Each section may be partially or entirely implemented by hardware such as a circuit, or implemented by software such as a driver.
  • the functions of the adjustment information generation section 120 and the like may be implemented by a computer by causing the computer to read a program from an information storage medium 200 which stores a program for causing a computer to function as the adjustment information generation section 120 and the like.
  • the program reading method may be a contact method or a noncontact method.
  • the above functions may be implemented by downloading a program or the like for implementing the above functions from a host device or the like through a transmission line instead of reading the program from the information storage medium 200 .
  • FIG. 3 is a flowchart showing the flow of an image adjustment process according to one embodiment of the invention.
  • the user assigns an ID to each projector 10 before adjusting an image (step SI).
  • the user presses a “Menu” button of an operation panel of the projector 10 or the remote controller 40 , for example.
  • the projector 10 projects an image showing a configuration menu in response to the operation of the user.
  • the user selects “Extended” ⁇ “Multi-screen” ⁇ “Screen ID” from the projected configuration menu by operating the remote controller 40 or the like.
  • the input section 110 outputs the operation information to the adjustment image generation section 140 .
  • the configuration menu is one type of OSD image generated by the adjustment image generation section 140 .
  • the configuration menu has a hierarchical structure. When projecting images in parallel (i.e. “Multi-screen”), an item “Image correction” for adjusting the brightness and the color of an image is displayed in addition to the item “Screen ID” for assigning an ID to each projector 10 .
  • the adjustment image generation section 140 generates an adjustment image showing the list of IDs (e.g. integers of 1 to 9) which can be assigned, and the projection section 190 projects an image including the adjustment image.
  • IDs e.g. integers of 1 to 9
  • the user selects an ID by operating up/down keys of the remote controller 40 or the operation panel, and presses a “Set” button.
  • Information indicating the ID determined by the user is stored in the input section 110 and the like.
  • the user can operate only the projector 10 to which the ID has been assigned by pointing the remote controller 40 toward a remote controller light receiving section (input section 110 ) of the operation target projector 10 and pressing a number button indicating the ID (e.g. button 2 when the ID is 2) while pressing the “Numeral” button of the remote controller 40 .
  • the user can separately operate the multiple projectors 10 using one remote controller 40 .
  • This function may be implemented by causing the input section 110 to determine whether or not the information indicating the ID from the remote controller 40 coincides with the stored ID and switch the projector 10 between an operable state and an inoperable state, for example.
  • the user can operate all projectors 10 at the same time by pointing the remote controller 40 toward the remote controller light receiving sections of the operation target projectors 10 and pressing the number button indicating 0 while pressing the “Numeral” button of the remote controller 40 .
  • the user installs all projectors 10 in a state in which images can be displayed in parallel, and adjusts the color and the brightness of an image from each projector 10 .
  • the input section 110 outputs the operation information to the calibration image generation section 130 and the adjustment image generation section 140 .
  • the projector 10 projects a composite image based on the adjustment level of the grayscale selected by the user (step S 2 ).
  • FIG. 4 is a view showing a composite image 300 according to one embodiment of the invention.
  • the composite image 300 includes a calibration image 310 and an adjustment image 320 which is an OSD image.
  • the user can select a grayscale selection image 322 , a brightness adjustment image 324 , a color difference adjustment image 326 , a color difference adjustment image 328 , or “Back” by operating the up/down keys of the remote controller 40 .
  • FIG. 4 shows a state in which the grayscale selection image 322 is selected, for example.
  • the composite image 300 including the calibration image 310 at the grayscale 1 is projected from each projector 10 .
  • the user adjusts the brightness while watching each composite image 300 .
  • the user when the user has selected the level 1 (black), the user adjusts the brightness of each composite image 300 so that each composite image 300 is displayed at the brightness of the brightest composite image 300 .
  • the user When the user has selected the level 5 (white), the user adjusts the brightness of each composite image 300 so that each composite image 300 is displayed at the brightness of the darkest composite image 300 .
  • These adjustments are made utilizing the brightness adjustment limits.
  • the user may adjust the brightness based on the composite image 300 having an intermediate brightness. Note that the user compares the calibration images 310 of the composite images 300 .
  • the user selects the brightness adjustment image 324 by operating the up/down keys of the remote controller 40 , and adjusts the brightness parameter by operating the right/left keys of the remote controller 40 .
  • the adjustment information generation section 120 generates the brightness adjustment information in response to the brightness adjustment operation, the adjustment section 160 adjusts the brightness of the composite image 300 based on the brightness adjustment information, and the projection section 190 projects the composite image 300 of which the brightness has been adjusted (step S 3 ).
  • the projector 10 repeatedly executes the brightness adjustment process in the steps S 2 , S 3 , and the like in grayscale units in response to the operation of the user.
  • step S 4 the user adjusts the color of the image.
  • the user selects the grayscale using the grayscale selection image 322 in a state in which the composite image 300 is projected.
  • the projector 10 projects the composite image 300 based on the adjustment level of the grayscale selected by the user (step S 5 ).
  • the process in the step S 5 is the same as the process in the step S 2 .
  • the user compares the reference composite image 300 with another composite image 300 , and determines whether the other composite image 300 is greener or redder than the reference composite image 300 .
  • the user selects the color difference adjustment image 326 and presses the right key of the remote controller 40 so that the intensity of red is increased.
  • the other composite image 300 is redder than the reference composite image 300
  • the user selects the color difference adjustment image 326 and presses the left key of the remote controller 40 so that the intensity of green is increased.
  • the projector 10 which projects the other composite image 300 is selected.
  • the adjustment information generation section 120 generates the color difference adjustment information in response to the above color difference adjustment operation, the adjustment section 160 adjusts the color of the composite image 300 based on the color difference adjustment information, and the projection section 190 projects the composite image 300 of which the color has been adjusted (step S 6 ).
  • the user performs color correction (blue-yellow) in grayscale units after performing color correction (green-red) in grayscale units.
  • the projector 10 repeatedly executes the color difference adjustment process in the steps S 5 , S 6 , and the like in grayscale units in response to the operation of the user until the color difference adjustment process is completed (step S 7 ).
  • the projector 10 calculates RGB gamma curves based on the values set using the adjustment image 320 .
  • the calculation procedure includes 1. converting LUV into RGB and calculating RGB values of five grayscales, 2. complementing four intermediate grayscales, and 3. correcting an overflow or a reverse relationship. This procedure is described below in more detail.
  • FIG. 5 is a table showing adjustment parameters according to one embodiment of the invention.
  • Parameters L 1 to L 5 indicating black and white components are set using the brightness adjustment image 324 .
  • Parameters V 1 to V 5 indicating green and red components are set using the color difference adjustment image 326 .
  • Parameters U 1 to U 5 indicating blue and yellow components are set using the color difference adjustment image 328 .
  • the parameters L 1 to L 5 correspond to the brightness adjustment information, and the parameters V 1 to V 5 and U 1 to U 5 correspond to the color difference adjustment information.
  • the grayscale is divided into five levels from the minimum to the maximum. In the projector 10 , the grayscale is divided into nine levels from the minimum to the maximum.
  • the adjustment section 160 calculates RGB values of five grayscales based on the LUV values.
  • the RGB values of nine grayscales are respectively referred to as R 0 to R 8 , G 0 to G 8 , and B 0 to B 8 , and the liquid crystal driver (projection section 190 ) processes RGB using 10 bits.
  • R 0 CoefA*L 1 +CoefB*U 1 +CoefC*V 1
  • G 0 CoefD*L 1 +CoefE*U 1 +CoefF*V 1 ,
  • R 2 CoefA*L 2 +CoefB*U 2 +CoefC*V 2 +256
  • G 2 CoefD*L 2 +CoefE*U 2 +CoefF*V 2 +256
  • B 2 CoefG*L 2 +CoefH*U 2 +CoefI*V 2 +256
  • R 4 CoefA*L 3 +CoefB*U 3 +CoefC*V 3 +512
  • G 4 CoefD*L 3 +CoefE*U 3 +CoefF*V 3 +512
  • B 4 CoefG*L 3 +CoefH*U 3 +CoefI*V 3 +512
  • R 6 CoefA*L 4 +CoefB*U 4 +CoefC*V 4 +768
  • the constants CoeffA to CoeffI in the above expressions are coefficients of the LUV-RGB color conversion matrix.
  • the projector 10 can change the color in terms of brightness corresponding to an increase or decrease in the parameter L (parameter of the brightness adjustment image 324 ), can change the color in terms of blue and yellow corresponding to an increase or decrease in the parameter U (parameter of the color difference adjustment image 328 ), and can change the color in terms of red and green corresponding to an increase or decrease in the parameter V (parameter of the color difference adjustment image 326 ) by employing such coefficients.
  • R 1 (2*R 0 +5*R 2 ⁇ R 4 )/6)
  • R 7 (2*R 4 +5*R 6 ⁇ R 8 )/6 when using the method 2 .
  • the average value of R 2 and R 4 may be used (method 1 ), or, when the middle point between R 2 and R 4 is referred to as R 3 A, a point which externally divides R 4 and R 6 at 1:3 on the straight line passing through R 4 and R 6 is referred to as R 3 B, and a point which externally divides R 0 and R 2 at 3:1 on the straight line passing through R 0 and R 2 is referred to as R 3 C, a value obtained by weighted averaging R 1 A, R 3 B, and R 3 C at 1:1:4 (i.e.
  • the adjustment section 160 can calculate R 0 to R 8 , G 0 to G 8 , and B 0 to B 8 according to the above procedure.
  • the adjustment section 160 corrects all RGB values of the grayscale so that the value falls within the specific range (0 to 1024).
  • the adjustment section 160 corrects the RGB values so that the values have an appropriate relationship.
  • the above procedure allows the adjustment section 160 to appropriately calculate R 0 to R 8 , G 0 to G 8 , and B 0 to B 8 , and store the RGB values as a look-up table in which output values at nine points can be respectively set for R, G, and B.
  • the adjustment section 160 can store (correct) the look-up table in real time (i.e. each time the value is changed using the adjustment image 320 ).
  • An image of which the brightness and the color have been adjusted is projected by projecting an image based on the look-up table.
  • the projector 10 can adjust the brightness and the color of an image in response to the brightness and color difference adjustment instructions from the user, as described above. This enables the user to appropriately adjust an image in a shorter period of time so that the image has the brightness and the color in conformity with the user's preference.
  • the color and the brightness of each image can be made identical, whereby the projectors 10 can project images appropriate for the viewer.
  • the projector 10 projects the adjustment image 320 as an OSD image while superimposing the adjustment image 320 on the calibration image 310 , the user can adjust the image using the adjustment image 320 while watching the calibration image 310 . This enables the user to appropriately adjust the image in a shorter period of time so that the image has the brightness and the color in conformity with the user's preference.
  • the projector 10 can adjust the brightness and the color in grayscale units, the user can more appropriately adjust an image so that the image has the brightness and the color in conformity with the user's preference. Since the projector 10 allows the user to adjust an image for some grayscales instead of all necessary grayscales, and complements the omitted grayscales, the user can adjust an image in a shorter period of time.
  • the color difference set using the adjustment image 320 is the combination of green and red and the combination of blue and yellow.
  • the combinations of these colors respectively represent a complementary afterimage relationship. Therefore, when the user adjusts the color of an image while comparing multiple images, the user can intuitively adjust the color of the image utilizing the complementary afterimage relationship, whereby the user can more appropriately adjust the image so that the image has the brightness and the color in conformity with the user's preference.
  • the user can adjust an image using the remote controller 40 without directly operating each projector 10 , the user can adjust the image in a shorter period of time so that the image has the brightness and the color in conformity with the user's preference.
  • the above embodiment uses two projectors 10 - 1 and 10 - 2 .
  • three or more projectors 10 may be used.
  • the invention is also effective when adjusting the color and the brightness of an image using one projector 10 .
  • the projector 10 may selectively project the composite image 300 and a normal image in response to an image switching operation of the user. For example, when image switching operation instruction information has been input to the input section 110 from the remote controller 40 , the adjustment section 160 may select an image signal for a normal image instead of an image signal for the composite image 300 .
  • the user since the user can adjust the brightness and the like of an image while checking the display state of a normal image used during presentation or the like, the user can more appropriately adjust the image to an image in conformity with the user's preference.
  • Instruction information input by operating the button of the operation panel of the projector 10 may be input to the input section 110 instead of the operation information input using the remote controller 40 , and the adjustment information generation section 120 may generate the brightness adjustment information and the like based on the instruction information.
  • the projector 10 may display the adjustment image 320 on the liquid crystal screen while projecting the calibration image 310 .
  • the function of the calibration image 310 may be included in the adjustment image 320 , and the projector 10 may allow the user to adjust an image by projecting only the adjustment image 320 instead of the composite image 300 .
  • the projection device to which the invention can be applied is not limited to the projector 10 , but may be a projection TV or the like.
  • the projector is not limited to the front projection type projector 10 , but may be a rear projection type projector.
  • the projector is not limited to a liquid crystal projector, and may be a DLP projector, a CRT projector, an LED projector, or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Video Image Reproduction Devices For Color Tv Systems (AREA)
US11/798,891 2006-05-24 2007-05-17 Projection device, image display system, information storage medium, and image processing method Abandoned US20070273837A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/950,498 US8593482B2 (en) 2006-05-24 2010-11-19 Projector and method that performs a brightness adjustment and a color adjustment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006143928A JP4716026B2 (ja) 2006-05-24 2006-05-24 投写装置、画像表示システム、プログラム、情報記憶媒体および投写方法
JP2006-143928 2006-05-24

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/950,498 Continuation US8593482B2 (en) 2006-05-24 2010-11-19 Projector and method that performs a brightness adjustment and a color adjustment

Publications (1)

Publication Number Publication Date
US20070273837A1 true US20070273837A1 (en) 2007-11-29

Family

ID=38749165

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/798,891 Abandoned US20070273837A1 (en) 2006-05-24 2007-05-17 Projection device, image display system, information storage medium, and image processing method
US12/950,498 Active 2027-08-02 US8593482B2 (en) 2006-05-24 2010-11-19 Projector and method that performs a brightness adjustment and a color adjustment

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/950,498 Active 2027-08-02 US8593482B2 (en) 2006-05-24 2010-11-19 Projector and method that performs a brightness adjustment and a color adjustment

Country Status (3)

Country Link
US (2) US20070273837A1 (zh)
JP (1) JP4716026B2 (zh)
CN (2) CN101079250B (zh)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070171380A1 (en) * 2006-01-26 2007-07-26 Christie Digital Systems Inc. Calibration of a super-resolution display
US20090097755A1 (en) * 2007-10-10 2009-04-16 Fuji Xerox Co., Ltd. Information processing apparatus, remote indication system, and computer readable recording medium
CN103259996A (zh) * 2012-02-21 2013-08-21 佳能株式会社 显示系统、显示设备和显示系统的控制方法
US20140104581A1 (en) * 2012-10-12 2014-04-17 Seiko Epson Corporation Projector, and black level area setting method for projector
US20140253581A1 (en) * 2013-03-06 2014-09-11 Seiko Epson Corporation Image processing device, projector, and image processing method
US20150170559A1 (en) * 2013-12-18 2015-06-18 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and storage medium
US9432645B2 (en) 2013-03-01 2016-08-30 Lenovo (Beijing) Co. Ltd. Information processing method and electronic device
US20160301919A1 (en) * 2015-04-09 2016-10-13 Qualcomm Incorporated Combined processing and display device package for light field displays
JP2017009708A (ja) * 2015-06-18 2017-01-12 キヤノン株式会社 投影システム、投影装置、情報処理方法及びプログラム
US10594992B2 (en) * 2016-01-07 2020-03-17 Lg Electronics Inc. Digital device, and system and method for controlling color using same
CN112995630A (zh) * 2021-03-11 2021-06-18 杭州当贝网络科技有限公司 定焦投影机柔性亮度调节方法、投影机及可读存储介质

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080024674A1 (en) * 2006-02-06 2008-01-31 Toshiba America Consumer Products, Llc. Brightness control system and method
JP5320865B2 (ja) * 2008-07-04 2013-10-23 セイコーエプソン株式会社 プロジェクタおよびプロジェクタの制御方法
KR101035786B1 (ko) * 2008-08-06 2011-05-20 삼성전자주식회사 외부광의 밝기 강도에 따라 화면을 디스플레이하기 위한장치 및 방법
JP5950554B2 (ja) * 2011-12-02 2016-07-13 キヤノン株式会社 表示装置、情報処理装置、及びそれらの制御方法、投影システム、プログラム、並びに記憶媒体
CN103974049B (zh) 2014-04-28 2015-12-02 京东方科技集团股份有限公司 一种穿戴式投影装置及投影方法
JP6707870B2 (ja) * 2016-01-20 2020-06-10 セイコーエプソン株式会社 投写システムおよび投写位置検出方法
JP7238298B2 (ja) * 2018-09-03 2023-03-14 セイコーエプソン株式会社 プロジェクターおよびプロジェクターの制御方法
JP7255132B2 (ja) * 2018-10-24 2023-04-11 セイコーエプソン株式会社 マルチプロジェクションシステム、プロジェクターおよびプロジェクターの制御方法
JP7103387B2 (ja) * 2020-06-16 2022-07-20 セイコーエプソン株式会社 画像投射システムの調整要否判定方法、画像投射システム、及び画像投射制御装置

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010013843A1 (en) * 1999-05-27 2001-08-16 Seiko Epson Corporation Projection display apparatus
US20010019358A1 (en) * 2000-03-06 2001-09-06 Olympus Optical Co., Ltd. Image calibration device and image calibration method
US6540365B1 (en) * 1999-05-21 2003-04-01 Seiko Epson Projection type display apparatus
US6592228B1 (en) * 1999-12-24 2003-07-15 Matsushita Electric Industrial Co., Ltd Projector comprising a microcomputer for controlling zoom and focus adjustments utilizing pattern generation and calculation means
US20030234785A1 (en) * 2002-05-20 2003-12-25 Seiko Epson Corporation Image processing system, projector, image processing method, program, and information storage medium
US20040046767A1 (en) * 2000-03-29 2004-03-11 Autodesk Canada Inc. Gamma calibration
US20040120576A1 (en) * 2002-12-20 2004-06-24 Samsung Electronics Co., Ltd. Color signal correction device and method, and image processing system using the same and method thereof
US20040140982A1 (en) * 2003-01-21 2004-07-22 Pate Michael A. Image projection with display-condition compensation
US20050078227A1 (en) * 2003-01-22 2005-04-14 Seiko Epson Corporation Image processing system, projector, program, information storage medium and image processing method
US6932481B2 (en) * 2000-03-27 2005-08-23 Seiko Epson Corporation Projection display system, projector and menu image display method for same
US20050253866A1 (en) * 2004-05-17 2005-11-17 Samsung Electronics Co., Ltd. Method and apparatus for creating profile
US20050270499A1 (en) * 2004-06-04 2005-12-08 Olympus Corporation Multiprojection system and method of acquiring correction data in a multiprojection system
US20050283344A1 (en) * 2003-01-30 2005-12-22 Jerry Moscovitch Method and apparatus for matching multiple displays in a multi-display environment
US20060132867A1 (en) * 2003-06-16 2006-06-22 Tohru Sugiyama Tone reproduction characteristics measuring device for color monitor
US7164428B2 (en) * 2002-03-25 2007-01-16 Seiko Epson Corporation Image display system, projector, image processing method, program and information storage medium
US20070091201A1 (en) * 2005-10-26 2007-04-26 Olympus Corporation Displayed image capturing method and system
US7278746B2 (en) * 2005-04-08 2007-10-09 Barco N.V. Motorized blend alignment tool

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07184231A (ja) * 1993-12-24 1995-07-21 Hitachi Ltd マルチディスプレイ装置の自動調整装置
KR0153059B1 (ko) * 1995-06-12 1998-11-16 김광호 색상조절상태를 온 스크린 디스플레이하는 컬러영상기기
JP3351681B2 (ja) 1996-05-31 2002-12-03 富士通株式会社 表示装置
JPH1090645A (ja) 1996-09-12 1998-04-10 Matsushita Electric Ind Co Ltd 液晶表示装置
JP4666274B2 (ja) 2001-02-20 2011-04-06 日本電気株式会社 カラー画像処理装置及びその方法
JP3664114B2 (ja) 2001-07-16 2005-06-22 セイコーエプソン株式会社 プロジェクタによって投写される画像の画像処理
JP4094346B2 (ja) * 2002-06-12 2008-06-04 シャープ株式会社 画像処理方法および画像処理装置ならびに画像形成装置、撮像装置、プログラム、記録媒体
JP2004080120A (ja) * 2002-08-12 2004-03-11 Hitachi Ltd マルチ画像表示装置及びその画像調整方法
JP4194363B2 (ja) * 2002-12-24 2008-12-10 キヤノン株式会社 画像形成装置
JP2005020314A (ja) * 2003-06-25 2005-01-20 Olympus Corp 表示特性補正データの算出方法、表示特性補正データの算出プログラム、表示特性補正データの算出装置
US6937249B2 (en) * 2003-11-07 2005-08-30 Integrated Color Solutions, Inc. System and method for display device characterization, calibration, and verification
JP2005283838A (ja) 2004-03-29 2005-10-13 Seiko Epson Corp 画像の色補正の支援
US20070008344A1 (en) * 2005-06-10 2007-01-11 German Medina Manipulation of Projected Images

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6540365B1 (en) * 1999-05-21 2003-04-01 Seiko Epson Projection type display apparatus
US20010013843A1 (en) * 1999-05-27 2001-08-16 Seiko Epson Corporation Projection display apparatus
US6592228B1 (en) * 1999-12-24 2003-07-15 Matsushita Electric Industrial Co., Ltd Projector comprising a microcomputer for controlling zoom and focus adjustments utilizing pattern generation and calculation means
US20010019358A1 (en) * 2000-03-06 2001-09-06 Olympus Optical Co., Ltd. Image calibration device and image calibration method
US6932481B2 (en) * 2000-03-27 2005-08-23 Seiko Epson Corporation Projection display system, projector and menu image display method for same
US20040046767A1 (en) * 2000-03-29 2004-03-11 Autodesk Canada Inc. Gamma calibration
US7164428B2 (en) * 2002-03-25 2007-01-16 Seiko Epson Corporation Image display system, projector, image processing method, program and information storage medium
US20030234785A1 (en) * 2002-05-20 2003-12-25 Seiko Epson Corporation Image processing system, projector, image processing method, program, and information storage medium
US20040120576A1 (en) * 2002-12-20 2004-06-24 Samsung Electronics Co., Ltd. Color signal correction device and method, and image processing system using the same and method thereof
US20040140982A1 (en) * 2003-01-21 2004-07-22 Pate Michael A. Image projection with display-condition compensation
US20050078227A1 (en) * 2003-01-22 2005-04-14 Seiko Epson Corporation Image processing system, projector, program, information storage medium and image processing method
US20050283344A1 (en) * 2003-01-30 2005-12-22 Jerry Moscovitch Method and apparatus for matching multiple displays in a multi-display environment
US20060132867A1 (en) * 2003-06-16 2006-06-22 Tohru Sugiyama Tone reproduction characteristics measuring device for color monitor
US20050253866A1 (en) * 2004-05-17 2005-11-17 Samsung Electronics Co., Ltd. Method and apparatus for creating profile
US20050270499A1 (en) * 2004-06-04 2005-12-08 Olympus Corporation Multiprojection system and method of acquiring correction data in a multiprojection system
US7278746B2 (en) * 2005-04-08 2007-10-09 Barco N.V. Motorized blend alignment tool
US20070091201A1 (en) * 2005-10-26 2007-04-26 Olympus Corporation Displayed image capturing method and system

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070171380A1 (en) * 2006-01-26 2007-07-26 Christie Digital Systems Inc. Calibration of a super-resolution display
US8777418B2 (en) * 2006-01-26 2014-07-15 Christie Digital Systems Usa, Inc. Calibration of a super-resolution display
US9479769B2 (en) 2006-01-26 2016-10-25 Christie Digital Systems Usa, Inc. Calibration of a super-resolution display
US20090097755A1 (en) * 2007-10-10 2009-04-16 Fuji Xerox Co., Ltd. Information processing apparatus, remote indication system, and computer readable recording medium
US8126271B2 (en) * 2007-10-10 2012-02-28 Fuji Xerox Co., Ltd. Information processing apparatus, remote indication system, and computer readable recording medium
US9330479B2 (en) * 2012-02-21 2016-05-03 Canon Kabushiki Kaisha Display system, display apparatus, and method for controlling display system for displaying one image by combining two images
CN103259996A (zh) * 2012-02-21 2013-08-21 佳能株式会社 显示系统、显示设备和显示系统的控制方法
US20130215138A1 (en) * 2012-02-21 2013-08-22 Canon Kabushiki Kaisha Display system, display apparatus, and method for controlling display system
US20140104581A1 (en) * 2012-10-12 2014-04-17 Seiko Epson Corporation Projector, and black level area setting method for projector
US9195126B2 (en) * 2012-10-12 2015-11-24 Seiko Epson Corporation Projector, and black level area setting method for projector
US10063821B2 (en) 2012-10-12 2018-08-28 Seiko Epson Corporation Projector, and black level area setting method for projector
US9432645B2 (en) 2013-03-01 2016-08-30 Lenovo (Beijing) Co. Ltd. Information processing method and electronic device
US20140253581A1 (en) * 2013-03-06 2014-09-11 Seiko Epson Corporation Image processing device, projector, and image processing method
US10134361B2 (en) * 2013-03-06 2018-11-20 Seiko Epson Corporation Image processing device, projector, and image processing method
US20150170559A1 (en) * 2013-12-18 2015-06-18 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and storage medium
US9761158B2 (en) * 2013-12-18 2017-09-12 Canon Kabushiki Kaisha Image processing apparatus, image processing method, and storage medium
US20160301919A1 (en) * 2015-04-09 2016-10-13 Qualcomm Incorporated Combined processing and display device package for light field displays
US9906759B2 (en) * 2015-04-09 2018-02-27 Qualcomm Incorporated Combined processing and display device package for light field displays
JP2017009708A (ja) * 2015-06-18 2017-01-12 キヤノン株式会社 投影システム、投影装置、情報処理方法及びプログラム
US10594992B2 (en) * 2016-01-07 2020-03-17 Lg Electronics Inc. Digital device, and system and method for controlling color using same
CN112995630A (zh) * 2021-03-11 2021-06-18 杭州当贝网络科技有限公司 定焦投影机柔性亮度调节方法、投影机及可读存储介质

Also Published As

Publication number Publication date
CN101079250B (zh) 2010-06-02
JP2007318293A (ja) 2007-12-06
US20110063518A1 (en) 2011-03-17
US8593482B2 (en) 2013-11-26
CN101841680A (zh) 2010-09-22
JP4716026B2 (ja) 2011-07-06
CN101079250A (zh) 2007-11-28

Similar Documents

Publication Publication Date Title
US8593482B2 (en) Projector and method that performs a brightness adjustment and a color adjustment
US7164428B2 (en) Image display system, projector, image processing method, program and information storage medium
US8456482B2 (en) Gamma curve adjustment device and method of establishing adjustment points
US6765585B2 (en) Image display system, image processing method, and program
US11343478B2 (en) Method of controlling a display system including a plurality of projectors and control device
US20130215135A1 (en) Image Display Device and Projector
US11258996B2 (en) Method of controlling display system and control device
JP6331340B2 (ja) 表示装置、及び、表示装置の制御方法
WO2003001499A1 (fr) Systeme d'affichage d'images, projecteur, procede de traitement d'images et support d'enregistrement de donnees
JP5509729B2 (ja) 画像表示装置、画像表示方法及び画像処理装置
TWI404041B (zh) 自動調整螢幕上顯示資訊的裝置與方法
JP5397632B2 (ja) 投写装置、画像表示システム、プログラム、情報記憶媒体および投写方法
US11483527B2 (en) Method of operation of a control device configured to control a plurality of projectors and control device
US20240146865A1 (en) Information processing method, information processing device, and non-transitory computer-readable storage medium storing program
JP3675298B2 (ja) 表示装置
JP3933145B2 (ja) 画像表示装置及び画像表示方法
JP3985813B2 (ja) 画像表示装置及び画像表示方法
JP2011082843A (ja) 画像処理回路、プロジェクター及びその画像評価方法
JP2010020199A (ja) 画像表示装置、及び画像表示方法
JP2004004808A (ja) 画像表示システムおよび情報記憶媒体
JP2010217832A (ja) 表示装置、プログラムおよび情報記憶媒体

Legal Events

Date Code Title Description
AS Assignment

Owner name: SEIKO EPSON CORPORATION, JAPAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FURUI, SHIKI;REEL/FRAME:019358/0623

Effective date: 20070514

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION