WO2018020606A1 - 投影システム、投影方法及びプログラム - Google Patents
投影システム、投影方法及びプログラム Download PDFInfo
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- WO2018020606A1 WO2018020606A1 PCT/JP2016/072020 JP2016072020W WO2018020606A1 WO 2018020606 A1 WO2018020606 A1 WO 2018020606A1 JP 2016072020 W JP2016072020 W JP 2016072020W WO 2018020606 A1 WO2018020606 A1 WO 2018020606A1
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- 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
- G03B21/14—Details
- G03B21/147—Optical correction of image distortions, e.g. keystone
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
- G02B27/0037—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements
- G02B27/0043—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration with diffracting elements in projection exposure systems, e.g. microlithographic systems
-
- 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
- G03B21/14—Details
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/50—Depth or shape recovery
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
-
- 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
-
- 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
- H04N9/3185—Geometric adjustment, e.g. keystone or convergence
-
- 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]
- H04N9/3191—Testing thereof
- H04N9/3194—Testing thereof including sensor feedback
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- 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
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
- G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
- G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0693—Calibration of display systems
Definitions
- the present invention relates to a projection system, a projection method, and a program for correcting an image projected on a projection plane.
- a projection apparatus uses a ceiling, a wall surface, a floor or the like as a projection surface, and projects an image on the projection surface.
- Patent Document a configuration is disclosed in which an appropriate image is projected onto the projection surface by receiving an input for changing the shape of the image data to be projected according to the unevenness of the projection surface.
- Patent Document 1 since it is necessary for the user to input the shape of the video data, it is difficult to project an appropriate video onto a projection plane different from the plane, and obstacles are projected on the projection plane. There is a problem that the projected image is distorted and displayed. Therefore, convenience was low.
- An object of the present invention is to provide a projection system, a projection method, and a program with improved convenience.
- the present invention provides the following solutions.
- the invention according to the first feature is a projection system for correcting an image projected on a projection plane, Imaging means for imaging the projection plane; Shape detecting means for detecting the shape of an obstacle present on the imaged projection plane by image analysis; Image correcting means for correcting the projected image so as to cancel the shape of the detected obstacle; Projecting means for projecting the corrected image onto a projection plane; A projection system is provided.
- the projection system that corrects the image projected on the projection plane captures the projection plane, and detects the shape of the obstacle existing on the captured projection plane by image analysis.
- the projected image is corrected so as to cancel the shape of the detected obstacle, and the corrected image is projected onto the projection plane.
- the invention according to the first feature is a category of the projection system, but the same operation and effect corresponding to the category are exhibited in other categories such as a method or a program.
- the invention according to the second feature includes color detection means for detecting the color of an obstacle existing on the imaged projection plane by image analysis; With The image correcting means corrects the image to be projected so as to cancel the shape and color of the detected obstacle; A projection system that is an invention according to a first feature is provided.
- the projection system according to the invention according to the first feature detects the color of an obstacle present on the imaged projection plane by image analysis, and the detected obstacle The projected image is corrected so as to cancel the shape and color.
- the image correction means corrects the projected image in consideration of the light intensity;
- a projection system that is an invention according to a second feature is provided.
- the projection system according to the second aspect of the invention corrects the projected image in consideration of the intensity of light emission when the obstacle is a light emitter.
- the invention according to the fourth feature is that when the obstacle is a device, Connection means for connecting to the device; Power-off means for turning off the power of the connected device; A projection system that is an invention according to a first feature is provided.
- the projection system when the obstacle is a device, the projection system is connected to the device and the power of the connected device is turned off.
- An invention according to a fifth feature is a projection method for correcting an image projected on a projection plane, Imaging the projection plane; Detecting the shape of an obstacle present on the imaged projection plane by image analysis; Correcting a projected image so as to cancel the shape of the detected obstacle; Projecting the corrected image on a projection surface; A projection method is provided.
- the invention according to the sixth feature provides a projection system for correcting an image projected on a projection plane, Imaging the projection plane; Detecting the shape of an obstacle present on the imaged projection plane by image analysis; Correcting a projected image so as to cancel the shape of the detected obstacle; Projecting the corrected image onto a projection surface; Provide a program to execute.
- FIG. 1 is a diagram showing an outline of the projection system 1.
- FIG. 2 is an overall configuration diagram of the projection system 1.
- FIG. 3 is a functional block diagram of the projection device 100 and the user terminal 200.
- FIG. 4 is a flowchart showing a projection process executed by the projection apparatus 100 and the user terminal 200.
- FIG. 5 is a flowchart showing a projection process executed by the projection apparatus 100 and the user terminal 200.
- FIG. 6 is a diagram illustrating an example of an image 300 based on a result of image analysis performed by the user terminal 200.
- FIG. 7 is a diagram illustrating an example of a state in which the projection apparatus 100 projects an image 500 on the projection plane 400.
- FIG. 1 is a diagram for explaining an outline of a projection system 1 which is a preferred embodiment of the present invention.
- the projection system 1 includes a projection device 100 and a user terminal 200.
- the number of projection apparatuses 100 and user terminals 200 is not limited to one and may be plural.
- each process described below may be realized by either or both of the projection device 100 and the user terminal 200.
- the projection apparatus 100 is a projection device such as a projector that can perform data communication with the user terminal 200 and can project an image on a projection surface such as a ceiling, a wall surface, or a screen.
- the user terminal 200 is a terminal device that is capable of data communication with the projection device 100 and possessed by the user.
- the user terminal 200 is, for example, a mobile phone, a portable information terminal, a tablet terminal, a personal computer, an electric appliance such as a netbook terminal, a slate terminal, an electronic book terminal, a portable music player, a smart glass, a head-mounted display, etc. Wearable terminals and other items.
- the user terminal 200 captures an image of the projection plane using an imaging device such as a camera that the user terminal 200 has (step S01).
- the user terminal 200 detects the shape of the obstacle present on the projection plane by image analysis (step S02).
- the user terminal 200 determines whether there is an obstacle on the wall surface by extracting the feature amount of the image, and detects the shape of the obstacle when the obstacle exists.
- the obstacle is, for example, lighting, an air conditioner, a ventilation fan, furniture, a beam, or the like.
- the user terminal 200 may detect the intensity of light emission when the obstacle is a light emitter such as an illumination.
- the obstacle is a device such as an air conditioner or a ventilation fan
- the user terminal 200 may start a wired or wireless connection with the device and turn off the power of the device.
- the user terminal 200 corrects the projected image so as to cancel the shape of the detected obstacle (step S03).
- the user terminal 200 performs various corrections such as geometric correction and distortion correction on the image data to be projected, thereby canceling the shape of the obstacle and correcting the image on the projection plane to be distorted.
- the user terminal 200 may be configured to correct the projected image so as to cancel the color of the detected obstacle together with the shape described above.
- the projection apparatus 100 may be configured to correct an image in consideration of the detected light and shade together with the shape described above.
- the user terminal 200 transmits the video data of the corrected video to the projection device 100 (step S04).
- the projection apparatus 100 receives the video data, and projects the corrected video on the projection plane based on the video data (step S05).
- the projection system 1 images the projection surface, detects the shape of the obstacle existing on the captured projection surface by image analysis, and projects the image to be projected so as to cancel the detected shape of the obstacle.
- the projection system 1 By correcting and projecting the corrected image on the projection plane, it is possible to prevent the projected image from being distorted and displayed when there is an obstacle on the projection plane.
- FIG. 2 is a diagram showing a system configuration of the projection system 1 which is a preferred embodiment of the present invention.
- the projection system 1 includes a projection device 100 and a user terminal 200.
- the projection apparatus 100 and the user terminal 200 are not limited to one and may be a plurality.
- each process described below may be realized by either or both of the projection device 100 and the user terminal 200.
- the projection apparatus 100 is the above-described projection apparatus having the functions described later.
- the user terminal 200 is the above-described terminal device having the functions described later.
- FIG. 3 is a functional block diagram of the projection apparatus 100 and the user terminal 200.
- the projection apparatus 100 includes a CPU (Central Processing Unit), a RAM (Random Access Memory), a ROM (Read Only Memory), and the like as the control unit 110, and a device for enabling the communication unit 120 to communicate with other devices.
- a WiFi (Wireless Fidelity) compatible device compliant with IEEE 802.11 is provided.
- the projection apparatus 100 has, as the input / output unit 140, a display unit that outputs and displays data and images controlled by the control unit 110, an input unit such as a touch panel and a switch that receives input from the user, and an image on the projection surface.
- a projection device for projecting is provided.
- the data receiving module 150 is realized in cooperation with the communication unit 120 by the control unit 110 reading a predetermined program.
- the control unit 110 reads a predetermined program, thereby realizing the projection module 170 in cooperation with the input / output unit 140.
- the user terminal 200 includes a CPU, RAM, ROM, and the like as the control unit 210, and includes a device and the like for enabling communication with other devices as the communication unit 220, and an input / output unit 240.
- a display unit an input unit, an imaging device such as a lens and an imaging device, an analysis device that analyzes a captured image, a correction device that corrects video data, and the like are provided.
- the user terminal 200 includes a data storage unit such as a hard disk, a semiconductor memory, a recording medium, or a memory card as the storage unit 230.
- the storage unit 230 stores video data to be projected by the projection apparatus 100 described later.
- the control unit 210 when the control unit 210 reads a predetermined program, the data transmission module 250 and the device connection module 251 are realized in cooperation with the communication unit 220. In the user terminal 200, the control unit 210 reads a predetermined program, thereby realizing the storage module 260 in cooperation with the storage unit 230. Further, in the user terminal 200, the control unit 210 reads a predetermined program, thereby realizing the imaging module 270, the analysis module 271, and the correction module 272 in cooperation with the input / output unit 240.
- FIGS. 4 and 5 are flowcharts of the projection processing executed by the projection device 100 and the user terminal 200. The processing executed by the modules of each device described above will be described together with this processing.
- the imaging module 270 images the projection plane (step S10).
- the imaging module 270 images the ceiling.
- the projection plane imaged by the imaging module 270 is not limited to the ceiling, but may be other walls, floors, columns, screens, or the like.
- the analysis module 271 performs image analysis on the captured image (step S11).
- the analysis module 271 performs the determination of the presence / absence of an obstacle, luminance, and the like by analyzing the feature amount, color, and the like of the image.
- FIG. 6 is a diagram illustrating an example of an image based on the result of image analysis performed by the analysis module 271.
- the analysis module 271 recognizes the projection plane 400, the device 310, and the light emitter 320 as a result of image analysis of the image 300.
- the analysis module 271 recognizes one device 310 existing on the projection plane 400 and three light emitters 320.
- the device 310 is an air conditioner in FIG.
- the light emitter 320 is a lighting fixture in FIG.
- the analysis module 271 recognizes the shapes of the device 310 and the light emitter 320 by extracting the feature amount of the image 300. Further, the analysis module 271 recognizes the color of the device 310 and the color of the light emitter 320 by extracting the RGB values.
- the RGB value of the device 310 indicates the color or the like of the device 310.
- the RGB values of the light emitters 320 indicate the light intensity of each light emitter 320, the color of light emission, the color of the light emitter itself, and the like.
- the analysis module 271 determines whether an obstacle exists on the projection plane based on the result of the image analysis (step S12). In step S12, the analysis module 271 determines whether an obstacle such as the above-described device 310, light emitter 320, or other article exists on the projection plane. In step S12, when the analysis module 271 determines that there is no obstacle (step S12, NO), the data transmission module 250 transmits the video data stored in the storage module 260 to the projection device 100 (step S13). In step S13, the data transmission module 250 transmits the video data without performing correction. After executing the process of step S13, the user terminal 200 ends this process, and the projection device 100 executes the process of step S24 described later.
- step S12 determines in step S12 that an obstacle exists (step S12 YES)
- the analysis module 271 detects the shape of the obstacle (step S14).
- step S14 the analysis module 271 detects the shape of the obstacle by executing processing such as pattern recognition and edge extraction.
- the analysis module 271 detects the color of the obstacle (step S15).
- the analysis module 271 detects the color of the obstacle by detecting the color code, RGB value, etc. of the obstacle.
- the correction module 272 corrects the video data stored in the storage module 260 based on the detected shape and color of the obstacle (step S16).
- the correction module 272 corrects the video data so as to cancel the detected shape and color of the obstacle.
- the correction module 272 corrects the video data so as to cancel the shape of the obstacle by executing distortion correction, pixel value correction, and the like on the video data when the obstacle shape has irregularities. To do.
- the correction module 272 calculates correction data for canceling the color of the obstacle or the projection plane based on the RGB values of the obstacle or the projection plane and the color data on the ideal projection plane stored in advance by the storage module 260. Then, the RGB value of the video data is corrected. Further, the correction module 272 executes correction for coloring the video data such that the color of the obstacle or the projection plane is canceled.
- correction module 272 may be configured to correct either the shape or color of the obstacle. Further, the correction module 272 may perform corrections other than those described above.
- correction module 272 may be configured to correct video data other than the video data stored in the storage module 260.
- video data stored on an external computer or cloud not shown may be corrected. This configuration is the same even when the video data is corrected in processing to be described later.
- the analysis module 271 determines whether or not the detected obstacle is a light emitter such as an illumination (step S17). In step S17, based on the result of the image analysis, the analysis module 271 determines whether the luminance of the obstacle is equal to or higher than a predetermined value, whether the shape of the obstacle is a predetermined shape, It is determined whether the color of the obstacle is a predetermined color.
- Step S17 when the analysis module 271 determines that it is not a light emitter (NO in Step S17), the analysis module 271 executes a process of Step S20 described later.
- step S17 determines in step S17 that it is a light emitter (YES in step S17)
- the analysis module 271 detects the intensity of light emission (step S18).
- the analysis module 271 detects the shade of the light emitter by detecting, for example, the RGB value of the light emitter, the light amount of the light emitter, and the like.
- the correction module 272 corrects the video data stored in the storage module 260 in view of the detected shade of the light emitter (step S19). In step S19, the correction module 272 corrects the video data so as to cancel the detected light amount of the light emitter. For example, the correction module 272 corrects the RGB values of the video data based on the detected RGB values of the illuminant so that the balance of the RGB values destroyed by the illuminant is restored. The correction module 272 corrects the luminance difference between the light emitter and the projection plane. The correction module 272 corrects the video data according to the amount of light around the light emitter and the effect of eye adaptation.
- correction module 272 may be configured to execute correction other than the above-described configuration.
- the analysis module 271 determines whether the detected obstacle is a device such as an electric appliance (step S20). In step S20, the analysis module 271 determines based on whether or not the shape of the obstacle is a predetermined shape.
- step S20 when the analysis module 271 determines that the device is not a device (NO in step S20), the analysis module 271 executes processing in step S23 described later.
- step S20 if it is determined in step S20 that the analysis module 271 is a device (YES in step S20), the device connection module 251 connects to this device (step S21).
- step S21 for example, the device connection module 251 performs wireless communication or the like with this device, and establishes a connection for executing power ON / OFF, other control, and the like.
- step S21 for example, the device connection module 251 specifies an identifier or type unique to each device stored in the storage module 260 based on the identifier or type unique to the detected device, and connects to this device. Information necessary for this is acquired from information stored in advance in the storage module 260, an external database, or the like. The device connection module 251 connects to the detected device based on the acquired information.
- the device connection module 251 transmits an instruction to turn off the power of the connected device to the connected device (step S22).
- the device receives this instruction and turns off its own power based on this instruction.
- the device connection module 251 may change the instruction content for each device. For example, when the device connection module 251 is an air conditioner such as an air conditioner, the user may feel uncomfortable if the power is turned off. An instruction to perform an operation with low noise, such as fixing the wind direction, may be transmitted. Further, in the case where the device connection module 251 is a lighting fixture, when the lighting fixture has a dimming function or a toning function, the device connection module 251 may transmit an instruction to turn off the power or an instruction to lower the luminance or illuminance. Good. Thus, the user terminal 200 may transmit different instruction contents based on the type and contents of the device.
- the device connection module 251 may change the instruction content for each device. For example, when the device connection module 251 is an air conditioner such as an air conditioner, the user may feel uncomfortable if the power is turned off. An instruction to perform an operation with low noise, such as fixing the wind direction, may be transmitted. Further, in the case where the device connection module 251 is a lighting fixture, when the lighting fixture has
- the data transmission module 250 transmits the corrected video data to the projection apparatus 100 (step S23). In step S23, the data transmission module 250 transmits the video data corrected by the above-described processing.
- the data receiving module 150 receives video data.
- the projection module 170 projects an image on the projection plane based on the uncorrected video data received in the process of step S13 described above or the corrected video data received in the process of step S23 (step S24).
- FIG. 7 is a diagram illustrating an example of a state in which the projection module 170 projects the image 500 on the projection plane 400.
- the projection module 170 projects an image 500 on the projection plane 400 recognized in FIG.
- the projection module 170 projects an image 500 on the projection plane 400 that has been corrected to cancel the shape and color of the device 310 and the shape, color, and shade of the light emitter 320.
- the projection module 170 projects an image 500 in which the shape and color of the device 310 are not in the way of the user.
- the projection module 170 projects an image 500 in which the shape, color, and brightness of the light emitter 320 are not in the way of the user.
- the above is the projection processing.
- the projection processing described above enables the projection system 1 to detect an obstacle on the projection surface and correct and project the projected image so as to cancel the shape of the obstacle. Furthermore, the projected image can be corrected and projected so as to cancel the color of the obstacle. Furthermore, when the obstacle is a device, it can be connected to the device and turned off.
- the means and functions described above are realized by a computer (including a CPU, an information processing apparatus, and various terminals) reading and executing a predetermined program.
- the program is provided in a form recorded on a computer-readable recording medium such as a flexible disk, CD (CD-ROM, etc.), DVD (DVD-ROM, DVD-RAM, etc.).
- the computer reads the program from the recording medium, transfers it to the internal storage device or the external storage device, stores it, and executes it.
- the program may be recorded in advance in a storage device (recording medium) such as a magnetic disk, an optical disk, or a magneto-optical disk, and provided from the storage device to a computer via a communication line.
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Abstract
Description
前記投影面を撮像する撮像手段と、
前記撮像された投影面に存在する障害物の形状を画像解析で検出する形状検出手段と、
前記検出された障害物の形状を打ち消すように、投影する映像を補正する映像補正手段と、
前記補正された映像を投影面に投影する投影手段と、
を備えることを特徴とする投影システムを提供する。
を備え、
前記映像補正手段が、前記検出された障害物の形状及び色を打ち消すように、投影する映像を補正する、
ことを特徴とする第1の特徴に係る発明である投影システムを提供する。
前記映像補正手段が、発光の濃淡も鑑みて、投影する映像を補正する、
ことを特徴とする第2の特徴に係る発明である投影システムを提供する。
前記機器に接続する接続手段と、
前記接続された機器の電源をOFFにする電源OFF手段と、
を備えることを特徴とする第1の特徴に係る発明である投影システムを提供する。
前記投影面を撮像するステップと、
前記撮像された投影面に存在する障害物の形状を画像解析で検出するステップと、
前記検出された障害物の形状を打ち消すように、投影する映像を補正するステップと、
前記補正された映像を投影面に投影するステップと、
を備えることを特徴とする投影方法を提供する。
前記投影面を撮像するステップ、
前記撮像された投影面に存在する障害物の形状を画像解析で検出するステップ、
前記検出された障害物の形状を打ち消すように、投影する映像を補正するステップ、
前記補正された映像を投影面に投影するステップ、
を実行させるためのプログラムを提供する。
本発明の好適な実施形態の概要について、図1に基づいて説明する。図1は、本発明の好適な実施形態である投影システム1の概要を説明するための図である。投影システム1は、投影装置100、ユーザ端末200から構成される。なお、図1において、投影装置100及びユーザ端末200は、1つに限らず複数であってもよい。また、後述する各処理は、投影装置100又はユーザ端末200のいずれか又は双方により実現されてもよい。
図2に基づいて、本発明の好適な実施形態である投影システム1のシステム構成について説明する。図2は、本発明の好適な実施形態である投影システム1のシステム構成を示す図である。投影システム1は、投影装置100、ユーザ端末200から構成される。なお、投影装置100及びユーザ端末200は、1つに限らず、複数であってもよい。また、後述する各処理は、投影装置100又はユーザ端末200のいずれか又は双方により実現されてもよい。
図3に基づいて、本発明の好適な実施形態である投影システム1の機能について説明する。図3は、投影装置100、ユーザ端末200の機能ブロック図を示す図である。
図4及び図5に基づいて、投影システム1が実行する投影処理について説明する。図4及び図5は、投影装置100、ユーザ端末200が実行する投影処理のフローチャートを示す図である。上述した各装置のモジュールが実行する処理について、本処理に併せて説明する。
Claims (6)
- 投影面に投影する映像を補正する投影システムであって、
前記投影面を撮像する撮像手段と、
前記撮像された投影面に存在する障害物の形状を画像解析で検出する形状検出手段と、
前記検出された障害物の形状を打ち消すように、投影する映像を補正する映像補正手段と、
前記補正された映像を投影面に投影する投影手段と、
を備えることを特徴とする投影システム。 - 前記撮像された投影面に存在する障害物の色を画像解析で検出する色検出手段と、
を備え、
前記映像補正手段は、前記検出された障害物の形状及び色を打ち消すように、投影する映像を補正する、
ことを特徴とする請求項1に記載の投影システム。 - 前記障害物が発光体であった場合に、
前記映像補正手段は、発光の濃淡も鑑みて、投影する映像を補正する、
ことを特徴とする請求項2に記載の投影システム。 - 前記障害物が機器であった場合に、
前記機器に接続する接続手段と、
前記接続された機器の電源をOFFにする電源OFF手段と、
を備えることを特徴とする請求項1に記載の投影システム。 - 投影面に投影する映像を補正する投影方法であって、
前記投影面を撮像するステップと、
前記撮像された投影面に存在する障害物の形状を画像解析で検出するステップと、
前記検出された障害物の形状を打ち消すように、投影する映像を補正するステップと、
前記補正された映像を投影面に投影するステップと、
を備えることを特徴とする投影方法。 - 投影面に投影する映像を補正する投影システムに、
前記投影面を撮像するステップ、
前記撮像された投影面に存在する障害物の形状を画像解析で検出するステップ、
前記検出された障害物の形状を打ち消すように、投影する映像を補正するステップ、
前記補正された映像を投影面に投影するステップ、
を実行させるためのプログラム。
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