JP2010061433A - Projector, projecting method, and program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To remotely operate various settings related to projection from an external equipment side with a simple configuration. <P>SOLUTION: A projector includes a radio LAN antenna 54 and a radio LAN interface 52 for inputting image signals from external equipment provided with a pointing device, projection systems 33-46, 2a for projecting the images based on the input image signals, a CPU 47 for extracting a position of a pointer moving in accordance with the operation of the pointing device from among the input image signals, holding the history of moving of the extracted pointer for a fixed period of time, storing specific operation for drawing by the pointer to a selectable operational function in association with each other, determining whether the specific operation for drawing is performed or not from the history of moving of the held pointer for a fixed period of time, and setting the operational function associated with the stored operation for drawing when it is determined that the specific operation for drawing is performed, and a main memory 48 and a program memory 49. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a projection apparatus, a projection method, and a program suitable for a presentation when a personal computer and a data projector apparatus are connected, for example.

The control process for the image projected on the screen is intended to be easily executed without directly operating the projector or the PC connected to the projector, and has a digital camera function for photographing the projected image on the screen. A technique is conceived in which a specific shape pattern (mark) of a laser pointer to be irradiated is recognized and control processing corresponding to the recognized shape pattern is executed. (For example, Patent Document 1)
JP 2004-077862 A

  In the technique described in Patent Document 1, the projector must be equipped with a digital camera for photographing the irradiation position by the laser pointer on the screen, which causes a problem that the configuration of the projector becomes complicated.

  In addition, a laser pointer must be used for projection, which increases the number of devices required for projection.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a projection device, a projection method, and a program capable of remotely operating various settings relating to projection with a simple configuration. There is to do.

  According to the first aspect of the present invention, input means for inputting an image signal from an external device having a pointing device, projection means for projecting an image based on the image signal input by the input means, and input by the input means Extraction means for extracting the position of the pointer that moves in accordance with the operation of the pointing device from the image signal; holding means for holding a movement history of the pointer extracted by the extraction means for a fixed time; and specific drawing of the pointer Storage means for associating and storing an operation and a selectable operational function; and determination means for determining whether or not the specific drawing operation has been performed from a movement history of a pointer held by the holding means for a predetermined time; When the determination unit determines that a specific drawing operation has been performed, the operation function associated with the drawing operation is set from the storage unit. Characterized by comprising a control means.

  According to a second aspect of the present invention, in the first aspect of the present invention, the storage means stores a plurality of operation functions that can be selected in association with a plurality of specific drawing operations and images of the pointer, and the determination The means discriminates and judges when any one of a plurality of specific drawing operations stored in the storage means is performed from the movement history of the pointer held by the holding means for a predetermined time, and the control The means is characterized in that an operational function associated with the drawing operation is set according to the determination result of the determination means.

  According to a third aspect of the invention, in the first or second aspect of the invention, the storage means stores a plurality of operational functions that can be selected in association with a specific drawing operation of a pointer and a divided area in an image. The determining means identifies the specific drawing operation stored in the storage means from the movement history of the pointer held in the holding means for a predetermined time in the corresponding divided area in the image. The control unit determines and sets an operational function associated with the drawing operation in accordance with a determination result of the determination unit.

  According to a fourth aspect of the present invention, in the first or second aspect of the present invention, in the first stage in which the control unit determines that a specific drawing operation has been performed by the determination unit, an image projected by the projection unit is provided. At least a part of the area is used to project a menu image in which a plurality of operation function items are described, and one of the plurality of operation function items in the projected menu image is specified by the determination unit. In the second step after determining that the drawing operation is performed, an operational function associated with the drawing operation is set.

  The invention according to claim 5 is the invention according to claim 4, wherein the control means uses at least a part of an area of the image projected by the projection means and projects the semitransparent menu image in a superimposed manner. It is characterized by that.

  The invention according to claim 6 is a projection by an apparatus including an input unit for inputting an image signal from an external device including a pointing device, and a projection unit for projecting an image based on the image signal input by the input unit. A method for extracting a position of a pointer that moves in accordance with an operation of the pointing device from an image signal input by the input unit, and a movement history for a predetermined time of the pointer extracted in the extraction step. A holding step to be held, a storage step to store a specific drawing operation of the pointer in association with a selectable operational function, and the specific drawing operation from a movement history of the pointer held in the holding step for a predetermined time A determination step for determining whether or not a drawing operation has been performed, and the drawing operation stored in the storage step when it is determined that a specific drawing operation has been performed in the determination step Characterized in that a control step of setting a function on action associated.

  According to a seventh aspect of the present invention, there is built in an apparatus including an input unit that inputs an image signal from an external device including a pointing device, and a projection unit that projects an image based on the image signal input from the input unit. A program executed by a computer, wherein an extraction step for extracting a position of a pointer that moves in response to an operation of the pointing device from an image signal input by the input unit, and a predetermined time of the pointer extracted in the extraction step A holding step for holding a movement history of the pointer, a storing step for storing a specific drawing operation of the pointer in association with a selectable operational function, and a movement history for a predetermined time of the pointer held in the holding step. A determination step for determining whether or not a specific drawing operation has been performed, and a specific drawing operation is not performed in the determination step. When it is determined that was stored in said storage step, characterized in that to execute a control step of setting the drawing operation and operational functions associated with the computer.

  According to the present invention, it is possible to provide a projection device, a projection method, and a program capable of remotely operating various settings relating to projection from the external device side with the simplest configuration and operation.

(First embodiment)
Hereinafter, a first embodiment when applied to a projection system according to the present invention using a personal computer and a data projector device will be described with reference to the drawings.

  FIG. 1 shows the appearance and connection configuration of the entire system. The personal computer 1 and the data projector device 2 are wirelessly connected according to wireless LAN technology, for example, the IEEE802.11g standard, and the image data of the presentation program reproduced by the personal computer 1 is appropriately sent to the data projector device 2, and the data projector device 2 is projected toward the screen SC.

  Here, it is assumed that both the personal computer 1 and the data projector apparatus 2 have a wireless LAN function in advance, and when the personal computer 1 executes various application programs such as a presentation program, the personal computer 1 stores the image data in the data projector apparatus 2. It is possible to transmit directly to.

  The personal computer 1 is provided with a pointing device such as a mouse 1a, and the position of the pointer in the image data sent from the personal computer 1 to the data projector device 2 is moved according to the operation.

  The data projector device 2 forms a light image corresponding to the image data using, for example, a micromirror element based on the image data sent from the personal computer 1, and includes a projection lens unit 2a disposed on the front surface of the housing. Thus, various images are projected and displayed within the projection range PA on the screen SC to be projected.

  Next, the configuration of the personal computer 1 will be described with reference to FIG. FIG. 2 shows a hardware configuration of the personal computer 1, and a north bridge 12 is connected to the CPU 11 that controls various processes and a front side bus FSB.

  The north bridge 12 is further connected to the main memory 13 via the memory bus MB and to the graphic controller 14 and the graphic memory 15 via the graphics interface AGP, and is also connected to the south bridge 16 mainly between them. Execute I / O control.

  The south bridge 16 is connected to the PCI bus 17, the keyboard / mouse 18 including the mouse 1 a, the video encoder 19, the wireless LAN interface 20, the multi-disk drive 21, and the hard disk device (HDD) 22. Input / output control with 12 is performed.

  It should be noted that the individual elements constituting the personal computer 1 are very general well-known techniques, and therefore description thereof is omitted.

  The video encoder 19 generates and outputs a VGA video signal, which is an analog image signal, from a given digital image signal, and is a display constituted by a color TFT (thin film transistor) liquid crystal display panel (not shown). The VGA video signal is output to the wireless LAN interface 20 while the display is driven.

  The wireless LAN interface 20 transmits / receives data to / from a device including the data projector device 2 via a wireless LAN antenna 23 using, for example, 2.4 [GHz] band radio waves in accordance with the IEEE 802.11g standard. While the personal computer 1 is executing the presentation application program, the VGA video signal of the presentation is sent from the video encoder 19 to the wireless LAN interface 20, and the wireless LAN interface 20 transmits the video signal to the wireless LAN. Transmission is performed from the antenna 23 to an external device.

Next, a schematic functional configuration of the data projector device 2 is shown in FIG.
Reference numeral 31 denotes an input / output connector unit including, for example, a pin jack (RCA) type video input terminal, a D-sub15 type RGB input terminal, and a USB (Universal Serial Bus) connector.

  Image signals of various standards input from the input / output connector unit 31 are in a predetermined format suitable for projection by an image conversion unit 33, also called a scaler, via an input / output interface (I / F) 32 and a system bus SB. After being unified into an image signal and appropriately stored in a video RAM 34 which is a buffer memory for display, the image signal is sent to the projection image processing unit 35.

  At this time, data such as symbols indicating various operation states for OSD (On Screen Display) is also superimposed on the image signal by the video RAM 34 as necessary, and the processed image signal is sent to the projection image processing unit 35.

  The projection image processing unit 35 multiplies a frame rate according to a predetermined format, for example, 30 [frames / second], the number of color component divisions, and the number of display gradations in accordance with the transmitted image signal. The micromirror element 36, which is a spatial light modulation element (SOM), is driven to display by high-speed time division driving.

  On the other hand, a light source lamp 38 using a high-pressure mercury lamp, for example, disposed in the reflector 37 emits white light with high luminance. The light source lamp 38 is AC driven by the electric power from the ballast circuit 39, and the white light emitted from the light source lamp 38 passes through a color wheel 40 that rotates at high speed in synchronization with the display on the micromirror element 36. The primary color is colored in a time-sharing manner, the luminous flux is made uniform by the integrator 41, and then totally reflected by the mirror 42 and irradiated onto the micromirror element 36.

  Then, an optical image is formed by the reflected light from the micromirror element 36, and the formed optical image is projected onto the screen SC (not shown) to be projected through the projection lens unit 2a.

  The projection lens unit 2a enlarges and projects the optical image formed by the micromirror element 36 onto a target such as a screen, and can change the focus position and the zoom position (projection angle of view) arbitrarily. .

  That is, both the focus lens and the zoom lens (not shown) in the projection lens unit 2a are controlled by moving back and forth along the optical axis direction, and these lenses are moved by rotating the stepping motor (M) 43. To do.

  Further, the power supply to the ballast circuit 39 for turning on the light source lamp 38, the rotational drive of the motor (M) 44 for the color wheel 40, and the marker sensor 45 provided at the rotation peripheral end of the color wheel 40 are provided. Both the detection of the segment boundary and the rotational driving of the stepping motor 43 are executed by the projection light processing unit 46.

  The projection image processing unit 35 outputs a lamp synchronization signal synchronized with the switching timing of the image for each color component displayed by the micromirror element 36 to the ballast circuit 39 and the projection light processing unit 46.

  The CPU 47 controls all the operations of the above circuits. The CPU 47 uses the main memory 48 composed of DRAM and the program memory 49 composed of an electrically rewritable non-volatile memory storing operation programs, various fixed data, and the like to perform control operations in the data projector device 2. Execute.

  The CPU 47 executes various projection operations in accordance with operation signals from the operation unit 50. The operation unit 50 includes a key operation unit provided in the housing body of the data projector device 2 and an infrared receiving unit that receives an infrared modulation signal from a remote controller (not shown) dedicated to the data projector device 2. Directly outputs to the CPU 47 a key code signal based on the key operated via the key operation unit or the remote controller.

  The CPU 47 is further connected to an audio processing unit 51 and a wireless LAN interface (I / F) 52 via the system bus SB.

  The sound processing unit 51 includes a sound source circuit such as a PCM sound source, converts the sound data given during the projection operation into an analog signal, drives the speaker unit 53 to emit a loud sound, or generates a beep sound or the like as necessary.

  The wireless LAN interface 52 transmits / receives data to / from devices including the personal computer 1 via a wireless LAN antenna 54 using, for example, 2.4 [GHz] band radio waves in accordance with the IEEE 802.11g standard. While the personal computer 1 is executing the presentation application program, the personal computer 1 receives the VGA video signal of the presentation wirelessly transmitted from the personal computer 1 and outputs it to the image conversion unit 33.

Next, the operation of the above embodiment will be described.
FIG. 4 shows the processing contents in the registration mode in which the setting function of the data projector device 2 corresponding to the pointer operation by the mouse 1a of the personal computer 1 is registered with the personal computer 1 connected to the data projector device 2 by the wireless LAN. It is shown.

  The operation of FIG. 4 is controlled by the CPU 47 developing the operation program read from the program memory 49 in the main memory 48 and executing it.

  At this time, a user who handles the personal computer 1 and the data projector device 2 simultaneously performs registration work while viewing both the display of the personal computer 1 and the screen SC projected by the data projector device 2.

  Initially, image data including a pointer from the personal computer 1 is received via the wireless LAN antenna 54 and the wireless LAN interface 52, converted by the image conversion unit 33, expanded, and stored in the video RAM 34 (steps). R101).

  The position of the pointer is extracted from the image data stored in the video RAM 34, and the extracted position is accumulated and stored in the main memory 48 (step R102). When accumulating the pointer position, information indicating the direction of movement of the pointer may be simplified and stored by comparison with the position of the pointer in the immediately preceding image frame.

  FIG. 5 shows an example of assigning numerical values “1” to “8” by dividing the entire movement of the pointer from the position O in the previous image frame by 8 at 360 ° around the entire moving direction of the pointer. For example, when the pointer continues to move to the right along the horizontal direction in the image, a numerical value “2” is assigned from the movement direction.

Next, it is determined whether or not the movement of the pointer is completed based on whether or not the pointer position has changed for a certain period of time, for example, 0.5 [seconds], from a series of stored pointer positions. (Step R103).
Here, when it is determined that the position of the pointer has changed and the movement of the pointer has not ended, the process returns to step R101 and the same process is repeated.

  If it is determined in step R103 that the pointer position has not changed for a certain period of time and the movement of the pointer has been completed, then the movement range of the pointer for a certain period of time, for example, the previous one second is determined. (Step R104).

  FIG. 6 illustrates a case where the image is divided into a total of nine areas “A” to “I” of 3 × 3. In the process of step R104, for example, information indicating an area is determined.

Thereafter, the function of the data projector device 2 corresponding to the operation of the pointer is selected (step R105). For example, a list of function names of the data projector apparatus 2 that can be selected within the projection range PA by the data projector apparatus 2 is displayed as a list, and a pointer is set to a predetermined function name by operating the mouse 1a of the personal computer 1. It is assumed that when a drawing operation, for example, an operation corresponding to the symbol “を” is performed, the function at the position is selected.
Incidentally, when the pointer corresponding to the symbol “〆” is operated, “5, 8, 3” is always included in the direction row corresponding to the movement of the pointer shown in FIG.

  In this way, a series of information on the position related to the pointer operation, the area, and the selected function are associated with each other as a set of data and registered in a table held in the main memory 48 (step R106).

  This completes the registration related to the function setting of the data projector apparatus 2, and it is subsequently determined whether or not to select another function (step R107). For example, the data projector device 2 projects a character guide message such as “select next function” or “ends selection of function” within the projection range PA, and then operates the mouse 1 a of the personal computer 1. The determination is made based on whether or not a predetermined drawing operation, for example, an operation corresponding to the symbol “〆” is performed at any position.

  If an operation is still performed to select another function, the process returns to step R101 and the same process is repeated.

  When it is determined in step R107 that registration is to be ended, the processing in FIG. 4 is temporarily ended.

FIG. 7 illustrates the contents of the function selection table TB stored in the main memory 48 corresponding to the pointer operation. The figure shows an example in which a plurality of pointer movement direction strings, divided area positions, and selected functions are stored in association with symbols.
In the figure, for example, for drawing the symbol “◯”, the direction row corresponding to the movement of the pointer is “5, 4, 3, 2, 1, 8 by operating counterclockwise from the top of the symbol. ”In turn. Regarding the contents of this direction column, the trap of the user's individual operation is reflected, but by registering it in the table TB with a simplified content as much as possible, it corresponds to the operation of the pointer including the same direction column. The operation of the same symbol can be determined with certainty.

  7 is stored in the program memory 49, which is an electrically rewritable nonvolatile memory when the power of the data projector apparatus 2 is turned off, so that the data projector apparatus can store the stored contents of the table TB shown in FIG. It can be set not to be lost even when the power of 2 is turned off.

  FIG. 8 shows the processing contents in the data projector apparatus 2 that projects the image data from the personal computer 1 after registration in the table TB as described above.

  The operation of FIG. 8 is also controlled by developing an operation program read from the program memory 49 by the CPU 47 in the main memory 48 and executing it.

  Initially, the image data received from the personal computer 1 via the wireless LAN antenna 54 and the wireless LAN interface 52 is converted into a format suitable for projection by the image conversion unit 33, developed, stored in the video RAM 34, and projected. The image is displayed on the micromirror element 36 by the image processing unit 35 and projected onto the screen SC via the projection lens unit 2a (step P101).

  At the same time, the pointer position is extracted from the image data held in the video RAM 34 (step P102), and the pointer is moved by comparing the extracted pointer position with the extracted pointer position in the previous image frame. (Step P103).

  If it is determined that the pointer has not moved, the process returns to step P101 to continue the projection operation as it is, and the same process is repeated.

  If it is determined in step P103 that the pointer has moved, the position and moving direction of the extracted pointer are subsequently stored in the main memory 48 (step P104).

  Next, after summarizing the movement of the pointer for a certain period of time, for example, the previous one second (step P105), the table TB of the main memory 48 is referred to (step P106), and the stored direction column is displayed. It is determined whether or not there is a symbol that includes and matches the area (step P107).

If it is determined that there is no corresponding symbol, the process returns to the process from step P101 and the same process is repeated.
On the other hand, when it is determined in step P107 that there is a symbol corresponding to the table TB, the function stored in association with the symbol is read (step P108), and the read function is set (step P109). The process returns to step P101 to prepare for the next pointer operation again.

  According to the table TB shown in FIG. 7 above, for example, when the operation of drawing the symbol “◯” is performed with the pointer in the “C” area located at the upper right of the screen, the silent mode ON setting of the data projector device 2 is performed. Similarly, when an operation for drawing the symbol “×” is performed in the “C” area, the silent mode of the data projector apparatus 2 is set to OFF, and the symbol “O” is set by the pointer in the “G” area located at the lower left of the screen. When the drawing operation is performed, the auto power-off setting of the data projector apparatus 2 is set. When the operation of drawing the symbol “x” is performed in the “G” area, the auto power-off of the data projector apparatus 2 is performed. It is assumed that each off setting is executed.

  As described above in detail, according to the present embodiment, the personal computer 1 on the side of the external device is not required to have a component other than the personal computer 1 and the data projector device 2 such as a laser pointer. In the course of performing the pointer operation, various settings relating to projection by the data projector device 2 can be remotely operated.

  Further, in the present embodiment, a plurality of function settings related to the data projector device 2 can be performed using the table TB shown in FIG. Function setting can be realized.

  In addition, in the above embodiment, the image is divided into a plurality of areas, and the function setting is performed in association with the area to which the operation position in the image belongs with respect to the pointer operation. By determining invalidity, the possibility of misrecognition can be reduced, and variations in function settings can be increased, such that different function settings can be made depending on the area even with the same point operation.

(Second Embodiment)
A second embodiment when applied to a projection system according to the present invention using a personal computer and a data projector apparatus will be described below with reference to the drawings.

  The appearance and connection configuration of the entire system are basically the same as in FIG. 1, the configuration of the personal computer 1 is the same as in FIG. 2, and the schematic functional configuration of the data projector apparatus is basically the same as in FIG. Therefore, the same parts are denoted by the same reference numerals, and illustration and description thereof are omitted.

Next, the operation of the above embodiment will be described.
FIG. 9 shows the processing contents in the data projector apparatus 2 that projects the image data from the personal computer 1.

  The operation of FIG. 9 is controlled by the CPU 47 developing the operation program read from the program memory 49 in the main memory 48 and executing it.

  Initially, the image data received from the personal computer 1 via the wireless LAN antenna 54 and the wireless LAN interface 52 is converted into a format suitable for projection by the image conversion unit 33, developed, stored in the video RAM 34, and projected. The image is displayed on the micromirror element 36 by the image processing unit 35 and projected onto the screen SC via the projection lens unit 2a (step P201).

  At the same time, the pointer position is extracted from the image data held in the video RAM 34 (step P202), and the pointer is moved by comparing the extracted pointer position with the extracted pointer position in the previous image frame. (Step P203).

  If it is determined that the pointer has not moved, the process returns to step P201 to continue the projection operation as it is, and the same process is repeated.

  If it is determined in step P203 that the pointer has moved, the position and moving direction of the extracted pointer are subsequently stored in the main memory 48 (step P204).

  Next, by summarizing the movement of the pointer for a certain period of time, for example, the previous one second (step P205), a predetermined symbol, for example, “◯” is drawn at a predetermined position, for example, the center area of the image. Whether or not the pointer has been operated is determined (step P206).

If it is determined that there is no pointer operation for the corresponding symbol at the corresponding position, the process returns to the process from step P201 and the same process is repeated.
On the other hand, if it is determined in step P206 that the pointer has been operated to draw “◯” in the center area of the image, the selection function of the data projector device 2 is listed in the center of the input image. An image in which the menu item image is superimposed is created and projected from the projection lens unit 2a onto the screen SC (step P207).

  Thereafter, the pointer position in the input image is extracted (step P208), and it is determined whether or not the pointer has moved by comparing the extracted pointer position with the pointer position similarly extracted in the previous image frame (step P208). P209).

  If it is determined that the pointer has not moved, the process returns to step P207 to continue the projection operation with the semi-transparent menu item image superimposed, and the same process is repeated.

  If it is determined in step P209 that the pointer has moved, the position and moving direction of the extracted pointer are subsequently stored in the main memory 48 (step P210).

  Next, after collecting the contents of movement of the pointer for a certain period of time, for example, the immediately preceding past one second (step P211), it corresponds to one of the items in the menu item image projected translucently at that time. It is determined whether or not the pointer has been operated to draw a predetermined symbol, for example, “◯” at the position (step P212).

  Here, if the movement is at a position not corresponding to any item in the menu item image, it is then determined whether or not the position is an operation at a position outside the menu item image ( Step P214).

  If it is determined that the operation is at a position outside the menu item image, the process returns to step P201 to end the superimposing projection of the semi-transparent menu item image.

  On the other hand, if it is determined in step P214 that the operation is not performed at a position outside the menu item image, the process returns to step P207 to wait for any menu item to be selected.

  If it is determined in step P212 that the pointer has been operated to draw a predetermined symbol at a position corresponding to any item in the menu item image, the function of the selected item is set. (Step P213), the process returns to Step P201 to prepare for the next pointer operation.

  As the function items that can be selected in the menu item image, for example, as described in the first embodiment, the silent mode on / off setting of the data projector device 2, the auto of the data projector device 2 is set. A power-off function on / off setting, a data projector apparatus 2 after-cooling on / off setting, and the like are conceivable.

  Furthermore, the data projector device 2 receives not only image data but also a signal corresponding to the click operation with the mouse 1a of the personal computer 1 separately from the image data. If possible, when a function is selected, a scale is projected instead of the menu item image, and a drag operation with the mouse 1a is accepted on the scale, so that the projection contrast, zoom angle, focus position, and color tone can be changed. It is also possible to make settings related to multi-stage functions such as adjustment.

  As described above in detail, according to the present embodiment, a user can select and set a necessary function item after projecting a menu item image in a projection image without particularly registering a setting function in advance. Therefore, various settings relating to projection by the data projector device 2 can be remotely operated more easily.

  In addition, in the above embodiment, the menu item image is projected as a semi-transparent image superimposed on the original projection image, so that the original projection image is completely blocked by the menu item image. In addition, the contents of the original image can be visually recognized even when the menu item image is projected.

  In the above embodiment, the personal computer 1 and the data projector device 2 are described as being connected to each other via a wireless LAN to transmit image data. However, the present invention is not limited to this, and the image data is naturally connected by wire connection. May be transmitted.

  In addition, the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention in the implementation stage. Further, the functions executed in the above-described embodiments may be combined as appropriate as possible. The above-described embodiment includes various stages, and various inventions can be extracted by an appropriate combination of a plurality of disclosed constituent elements. For example, even if some constituent requirements are deleted from all the constituent requirements shown in the embodiment, if the effect is obtained, a configuration from which the constituent requirements are deleted can be extracted as an invention.

The figure which shows the external appearance and connection structure of the whole system which concern on the 1st Embodiment of this invention. 2 is an exemplary block diagram showing a hardware configuration of the personal computer according to the embodiment. FIG. FIG. 2 is a block diagram showing a schematic configuration of a functional circuit of the data projector device according to the embodiment. 6 is a flowchart showing the processing contents in a registration mode for registering the setting function of the data projector device according to the embodiment. The figure which shows the example which assigned numerical value "1"-"8" to the moving direction of the pointer concerning the embodiment. The figure which illustrates the case where the image which concerns on the embodiment is divided | segmented into several area "A"-"I". The figure which illustrates the content of the table of the setting function corresponding to pointer operation which concerns on the embodiment. 7 is a flowchart showing the processing contents in a data projector device that projects image data from the personal computer according to the embodiment. 9 is a flowchart showing processing contents in a data projector device that projects image data from a personal computer according to a second embodiment of the present invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 ... Personal computer, 1a ... Mouse, 2 ... Data projector apparatus, 2a ... Projection lens unit, 11 ... CPU, 12 ... North bridge, 13 ... Main memory, 14 ... Graphic controller, 15 ... Graphic memory, 16 ... South bridge, 17 ... PCI bus, 18 ... keyboard / mouse, 19 ... video encoder, 20 ... wireless LAN interface (I / F), 21 ... multi-disk drive, 22 ... hard disk device (HDD), 23 ... wireless LAN antenna, 31 ... on Output connector 32, input / output interface (I / F), 33 image conversion unit, 34 video RAM, 35 projection image processing unit, 36 micromirror element (SOM), 37 reflector, 38 light source lamp 39 ... Ballast circuit, 40 ... Color wheel , 41 ... Integrator, 42 ... Mirror, 43 ... Stepping motor (M), 44 ... Motor (M), 45 ... Marker sensor, 46 ... Projection light processing unit, 47 ... CPU, 48 ... Main memory, 49 ... Program memory, DESCRIPTION OF SYMBOLS 50 ... Operation part, 51 ... Audio | voice processing part, 52 ... Wireless LAN interface (I / F), 53 ... Speaker part, 54 ... Wireless LAN antenna, AGP ... Graphics interface (I / F), FSB ... Front side bus, MB ... memory bus, PA ... projection range, SB ... system bus, SC ... screen, TB ... table.

Claims (7)

Input means for inputting an image signal from an external device equipped with a pointing device;
Projection means for projecting an image based on the image signal input by the input means;
Extraction means for extracting the position of the pointer that moves in accordance with the operation of the pointing device from the image signal input by the input means;
Holding means for holding a movement history for a predetermined time of the pointer extracted by the extracting means;
Storage means for storing a specific drawing operation of the pointer in association with a selectable operational function;
A determination means for determining whether or not the specific drawing operation has been performed from a movement history of a pointer for a predetermined time held by the holding means;
A projection apparatus comprising: a control unit that sets an operational function associated with the drawing operation from the storage unit when the determination unit determines that a specific drawing operation has been performed. The storage means stores a plurality of operation functions that can be selected in association with a plurality of specific drawing operations and images of the pointer,
The determination means identifies and determines when any one of a plurality of specific drawing operations stored in the storage means is performed from a movement history of the pointer held by the holding means for a predetermined time,
The projection apparatus according to claim 1, wherein the control unit sets an operational function associated with the drawing operation in accordance with a determination result of the determination unit. The storage means stores a plurality of operational functions that can be selected in association with a specific drawing operation of the pointer and a divided area in the image,
The determination means identifies and determines when a specific drawing operation stored in the storage means is performed in a corresponding divided area in the image from a movement history of the pointer held by the holding means for a predetermined time. ,
The projection apparatus according to claim 1, wherein the control unit sets an operational function associated with the drawing operation in accordance with a determination result of the determination unit.   In the first step of determining that a specific drawing operation has been performed by the determination unit, the control unit describes a plurality of operational function items using at least a partial area of the image projected by the projection unit. A menu image is projected and associated with the drawing operation in the second stage or later in which it is determined by the determining means that a specific drawing operation has been performed on one of a plurality of operational function items in the projected menu image. The projection apparatus according to claim 1, wherein the set operational function is set.   The projection apparatus according to claim 4, wherein the control unit uses at least a part of an area of the image projected by the projection unit to project the semitransparent menu image in a superimposed manner. A projection method in an apparatus including an input unit that inputs an image signal from an external device including a pointing device, and a projection unit that projects an image based on the image signal input from the input unit,
An extraction step of extracting the position of the pointer that moves in accordance with the operation of the pointing device from the image signal input by the input unit;
A holding step for holding a movement history for a predetermined time of the pointer extracted in the extraction step;
A storage step of storing a specific drawing operation of the pointer in association with a selectable operational function;
A determination step of determining whether or not the specific drawing operation has been performed from a movement history of a predetermined time of the pointer held in the holding step;
And a control step of setting an operational function associated with the drawing operation stored in the storage step when it is determined that a specific drawing operation has been performed in the determination step. . A program executed by a computer built in an apparatus including an input unit that inputs an image signal from an external device including a pointing device and a projection unit that projects an image based on the image signal input from the input unit. ,
An extraction step of extracting the position of the pointer that moves in accordance with the operation of the pointing device from the image signal input by the input unit;
A holding step for holding a movement history for a predetermined time of the pointer extracted in the extraction step;
A storing step for storing a specific drawing operation of the pointer in association with a selectable operational function;
A determination step of determining whether or not the specific drawing operation has been performed from a movement history of the pointer held in the holding step for a predetermined time;
When it is determined that a specific drawing operation has been performed in the determination step, the computer is caused to execute a control step for setting an operational function associated with the drawing operation stored in the storage step. program.

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