JP2006211543A - System and method for selecting imaging view angle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an imaging view angle selecting system and method in which an imaging view angle can be easily designated. <P>SOLUTION: An ordering management server 30 generates at least one or more pieces of imaging change picture data based on picture data imaged by an imaging section 15 of a terminal 10, specifies an imaging view angle of an imaging unit 120 ordered from a user based on imaging change picture data selected via an operating section 12 of the terminal 10 and notifies a manufacture institution 40 of a value of the specified imaging view angle. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to an imaging field angle selection system and an imaging field angle selection method, and more particularly, to an imaging field angle selection system and an imaging field angle selection method for a head mounted display with an imaging device.

  In recent years, with the development of telecommunications technology, network sales using communication means such as the Internet have become active. Network sales have the advantage that customers can order goods and services from a network-connected communication terminal such as a personal computer or a mobile phone regardless of time and place. In addition, for example, since an order can be made while staying at home, it is particularly convenient when there is inconvenience in the body and it is impossible to go to a store or the like.

  For example, if the glasses are damaged, the person who has low naked eyesight is very dangerous to go to the glasses store. Therefore, a method of selling glasses while staying at home using a network has been proposed (see, for example, Patent Document 1).

By the way, in recent years, a head-mounted display (hereinafter referred to as HMD) with an imaging device has been developed that displays an image captured by a small camera using a CCD (Charge Coupled Devices) or the like on a small display provided in front of the eyes. Yes. Such a camera-equipped HMD is expected to be used for visual assistance as a second eye of a visually handicapped person or the like due to the characteristic of displaying an image in the viewing direction in front of the eyes. For example, in the case of a visually handicapped person with visual field narrowing, the narrowing of the visual field angle can be compensated for by adjusting the imaging field angle of the camera lens.
JP 2001-350982 A

However, since adjustment of the image angle of view of the camera lens requires specialized knowledge, it is difficult for ordinary users to understand, and images that have been adjusted to various angles of view by visiting the eyeglass stores etc. There is no choice but to actually select the desired angle of view.
In addition, since the method described in Patent Document 1 is an eyeglass ordering system, the above-mentioned problems unique to the HMD cannot be solved and cannot be applied.

  An object of the present invention is to provide an imaging field angle selection system and an imaging field angle selection method capable of easily specifying an imaging field angle.

In order to solve the above-mentioned problem, the invention described in claim 1
An imaging field angle selection system for a head-mounted display, comprising: an imaging unit; and an eyepiece optical system that guides an optical image captured by the imaging unit to an eye,
Other imaging means different from the imaging means;
Storage means for storing image data captured by the other imaging means and imaging condition information at the time of imaging;
Based on the stored imaging condition information, an imaging field angle identifying unit that identifies an imaging field angle of the imaging unit;
Notification means for notifying the value of the specified imaging angle of view;
It is characterized by having.

Furthermore, the invention according to claim 2 is the invention according to claim 1,
An angle-of-view changing means for generating at least one or more angle-of-view-change image data in which the angle of view of the image data is changed based on the image data picked up by the other image pickup means;
Change condition storage means for storing change condition data indicating a change condition of the generated view angle change image data in association with the view angle change image data;
Display means for displaying the generated angle-of-view-change image data;
Image designation means capable of selectively designating the displayed angle-of-view change image data;
Further comprising
The imaging field angle specifying unit specifies the imaging field angle based on the change condition data corresponding to the view angle changed image data specified by the image specifying unit.

Furthermore, the invention according to claim 3 is the invention according to claim 2,
Specification information storage means in which specification information related to the display angle of view of the display means is stored in advance,
The angle-of-view changing means generates the angle-of-view changed image data based on the stored specification information.

Moreover, in order to solve the said subject, invention of Claim 4 is the following.
An imaging field angle selection method for a head mounted display having an imaging unit and an eyepiece optical system that guides an optical image captured by the imaging unit to an eye,
An imaging field angle specifying step of specifying an imaging field angle of the imaging unit based on imaging condition information of image data captured by another imaging unit different from the imaging unit;
A notification step of notifying the value of the specified imaging angle of view;
It is characterized by including.

Furthermore, the invention according to claim 5 is the invention according to claim 4,
An angle-of-view changing step for generating at least one or more angle-of-view-changed image data in which the angle of view of the image data is changed based on the image data captured by the other imaging unit;
A change condition storage step of storing change condition data indicating a change condition of the generated view angle change image data in association with the view angle change image data;
A display step of displaying the generated angle-of-view change image data;
An image designating step capable of selectively designating the displayed angle-of-view change image data;
Further including
In the imaging angle-of-view specifying step, the imaging angle of view is specified based on the change condition data corresponding to the angle-of-view changed image data specified in the image specifying step.

Furthermore, the invention according to claim 6 is the invention according to claim 5,
The angle-of-view changing step is characterized in that the angle-of-view changed image data is generated based on specification information relating to a display angle of view of the display means.

Furthermore, the invention according to claim 7 is the invention according to claim 4,
A scale image generating step for generating scale image data having a scale with a predetermined pitch interval;
A scale image display step for displaying the generated scale image data;
A display angle-of-view specifying step of specifying a display angle of view of the display means based on a scale position of the displayed scale image data corresponding to a predetermined scale;
Further including
The view angle changing step is characterized in that the view angle change image data is generated based on the specified display angle of view.

Further, the invention according to claim 8 is the invention according to claim 4,
An identification information generating step for generating image identification information for identifying the generated angle-of-view-change image data;
An identification information storing step of storing the generated image identification information in association with the angle-of-view-change image data;
A printing image generation step of generating printing image data based on the angle-of-view change image data and image identification information corresponding to the angle-of-view change image data;
An image forming step of recording the generated image data for printing on a recording medium;
An identification information designation step capable of selectively designating the image identification information corresponding to the angle-of-view change image data of the recorded printing image data;
Further including
The imaging view angle specifying step specifies the imaging view angle based on the image identification information specified in the identification information specifying step.

  According to the first aspect of the present invention, the imaging field angle of the imaging unit is identified based on the imaging condition information of the image data captured by another imaging unit, and the value of the identified imaging field angle is notified. . Thus, the user can simply specify the imaging field angle of the imaging unit of the imaging unit simply by providing image data captured at a desired angle of view.

  According to the second aspect of the present invention, the imaging field angle of the imaging unit is specified based on the change condition data corresponding to the field angle changed image data designated by the image designation unit. Thereby, the user can designate the angle-of-view-changed image data having the desired angle of view from the angle-of-view-changed image data displayed on the display means, so the imaging angle of view of the imaging means can be easily specified. can do.

  According to the third aspect of the present invention, the angle-of-view changed image data is generated based on the specification information regarding the display angle of view of the display means. As a result, it is possible to generate the angle-of-view-changed image data according to the specifications of each display means, so that the appearance of the angle-of-view-changed image data can be matched.

  According to the fourth aspect of the present invention, the imaging field angle of the imaging unit is identified based on the imaging condition information of the image data captured by the other imaging unit, and the value of the identified imaging field angle is notified. . Thus, the user can specify the imaging field angle of the imaging unit simply by providing the image data captured at the desired angle of view, so the imaging field angle of the imaging unit can be easily specified. Can do.

  According to the fifth aspect of the present invention, the imaging field angle of the imaging unit is specified based on the change condition data corresponding to the field angle changed image data designated in the image designation step. Thereby, the user can designate the angle-of-view-changed image data having the desired angle of view from the angle-of-view-changed image data displayed on the display means, so the imaging angle of view of the imaging means can be easily specified. can do.

  According to the sixth aspect of the present invention, the angle-of-view changed image data is generated based on the specification information related to the display angle of view of the display means. Thereby, since it is possible to generate the angle-of-view changed image data according to the specifications of each display means, it is possible to match the appearance of the angle-of-view changed image data.

  According to the seventh aspect of the present invention, the display field angle is specified based on the scale position information indicating the scale position on the scale image data corresponding to the predetermined scale, and the image is displayed based on the specified display field angle. Corner change image data is generated. Thereby, since it is possible to generate the angle-of-view-changed image data according to the display angle of view of the display means, it is possible to match the appearance of the angle-of-view-changed image data.

  According to the eighth aspect of the present invention, the imaging field angle of the imaging unit is specified based on the image identification information of the angle-of-view-changed image data selectively specified from the printing image data recorded on the recording medium. . Thus, since the user can specify the imaging angle of view based on the print image data recorded on the recording medium, the user can select the desired image angle from the print image data recorded on the recording medium. The imaging angle of view of the imaging means can be specified simply by specifying the image identification information corresponding to the changed angle of view image data.

  The best mode for carrying out the present invention will be described below with reference to the drawings. However, the scope of the present invention is not limited to the illustrated examples.

<First Embodiment>
FIG. 1 shows a schematic diagram of an imaging field angle selection system 50 according to the first embodiment.
As shown in FIG. 1, the imaging angle-of-view selection system 50 is configured to include a terminal 10, an order management server 30, a manufacturing organization 40, and the like, and each apparatus can transmit and receive information via a network N. It is connected.

  The network N is a communication network constructed by using a dedicated line or an existing general public line, and various line forms such as a LAN and a WAN can be applied. The network N includes, for example, various communication line networks such as a telephone line network, an ISDN line network, a dedicated line, a mobile communication network, a communication satellite line, and a CATV line network, and an Internet service provider that connects them. In addition, although FIG. 1 shows an example in which each device and terminal are connected by wire, wireless connection may be used. The number of terminals and order management servers connected to the network N is not particularly limited.

Hereinafter, each component of the imaging field angle selection system 50 will be described.
The terminal 10 is a mobile communication terminal such as a mobile phone, a PHS, a PDA, or a notebook personal computer, and is a terminal operated by a user of the imaging angle of view selection system 50. By connecting the terminal 10 to the order management server 30 via the network N, an imaging field angle of an imaging unit 120 (see FIG. 2) described later can be ordered (ordered).

  The order management server 30 determines the imaging field angle of the imaging unit 120 based on various information transmitted from the terminal 10, and outputs the value of the imaging field angle to the manufacturing organization 40 as order information. .

  The manufacturing institution 40 is a manufacturing institution such as a manufacturing factory for manufacturing the HMD, and manufactures an imaging unit 120 described later based on ordering information input from the order management server 30. Specifically, based on the value of the imaging angle of view notified from the order management server 30, the imaging unit 120 having the value is manufactured.

Here, the HMD 100 related to the present system will be described with reference to FIG.
As shown in FIG. 2, the HMD 100 includes a spectacle frame provided with a display unit 110 and an imaging unit 120.

  The spectacle frame includes lenses 101R and 101L, nose pads 102R and 102L, temples 103R and 103L which are holding members for the user's head, a bridge 104, and the like, which are provided symmetrically.

  The display unit 110 includes an image projection unit 110a and an eyepiece optical system 110b. The image projection unit 110a is provided on the lens 101R, and a prism 114 and a holographic optical element (hereinafter referred to as HOE) 115 are integrally formed on the lens 101R, and an image emitted from the image projection unit 110a. The eyepiece optical system 110b is configured to guide the optical image in front of the user's eyes.

A display method of the display unit 110 will be described with reference to FIG. Note that the video includes both still images and moving images.
As shown in FIG. 3, the video projection unit 110 a includes an LED (Light Emitting Diode) 111, a condenser lens 112, and an LCD (Liquid Crystal Display) 113, and the eyepiece optical system 110 b includes a prism 114 and an HOE 115. Configured.

  The LED 111 is a light source for illuminating the LCD 113, and the condenser lens 112 is an illumination optical system for uniformly guiding light emitted from the LED 111 to the entire surface of the LCD 113. The LCD 113 is a transmissive display device that displays an image, and receives image light from the LED 111 and emits image light to the prism 114 side.

  The video projection unit 110a is covered with a casing, and the prism 114 is sandwiched between the casings. The prism 114 is made of transparent glass, resin, or the like, and is formed in a flat plate shape. The prism 114 is embedded in a part of the right-eye lens 101R, and a HOE 115 is formed at the lower end thereof. The HOE 115 is disposed so as to be sandwiched between the prism 114 and the lens 101R as a hologram substrate. The HOE 115 has two interference fringe patterns composed of interference fringes that are not parallel to the hologram substrate surface. Due to the diffraction action of the interference fringe pattern, the light incident on the HOE 115 is diffracted and reflected to the user's eyes E. Led to.

  That is, when the image light emitted from the LCD 113 is guided to the HOE 115 while being reflected by the prism 114 a plurality of times, it is diffracted by the HOE 115 and becomes a light beam close to parallel light and enters the user's eye E. Thereby, a video can be displayed to the user.

  Returning to FIG. 2, the imaging unit 120 is attached to the temple 103 </ b> R, and the imaging unit 120 is connected to the display unit 110 via a cable.

  The imaging unit 120 is an imaging unit including an optical lens, a photoelectric conversion element such as a CCD (Charge Coupled Device), an A / D conversion unit, and the like. A subject image input via the optical lens is photoelectrically converted by the CCD. Thus, an image signal is generated. Then, digital image data is obtained from the analog image signal by the A / D converter, and is output to the display unit 110. By performing this continuously, it is possible to output moving image data, that is, captured video data.

  Here, the optical lens of the imaging unit 120 can enlarge (wide angle) or reduce (telephoto) the imaging field angle by adjusting the optical characteristic value of the optical lens in the manufacturing process. The user can observe the subject image with the angle of view enlarged or reduced via the display unit 110.

  In this imaging field angle selection system 50, it is possible to order the optical characteristic value of the optical lens of the imaging unit 120. Specifically, the imaging field angle desired by the user via the terminal 10 can be ordered. Is specified, the order management server 30 notifies the manufacturing organization 40 of the value of the specified imaging angle of view. Hereinafter, the imaging field angle of the imaging unit 120 is referred to as the imaging field angle of the HMD 100.

Next, the functional configuration of the terminal 10 will be described with reference to FIG.
As illustrated in FIG. 4, the terminal 10 includes a control unit 11, an operation unit 12, a display unit 13, a wireless communication unit 14, an imaging unit 15, an image memory 16, and the like, which are connected to each other via a bus 17. Yes.

  The control unit 11 includes a CPU (Central Processing Unit), a ROM (Read Only Memory), a RAM (Random Access Memory), and the like (not shown). The CPU is stored in advance in the ROM using a predetermined area of the RAM as a work area. Various control programs are executed to control the operation of each unit constituting the terminal 10. Further, the control unit 11 reads and executes application programs recorded in the ROM in accordance with control signals input via the operation unit 12 to realize various functions of the terminal 10.

  The operation unit 12 includes a character input key, a numeric input key, and other keys associated with various functions. The operation unit 12 outputs a signal corresponding to a key pressed by a user's key operation to the control unit 11. ing. In addition, the operation unit 12 includes a shutter key for imaging the subject by the imaging unit 15, and the operation unit 12 sends a control signal to the control unit 11 to image the subject by operating the shutter key by the user. It is designed to output. Further, the operation unit 12 is provided with an adjustment key capable of changing the angle of view captured by the imaging unit 15, and the operation unit 12 indicates that the angle of view is changed by the operation of the adjustment key by the user. A control signal is output to the control unit 11.

  The display unit 13 includes a liquid crystal display or the like, and displays an image on the display based on display data input from the control unit 11. Further, the display unit 13 displays the image data captured from the image sensor of the imaging unit 15 at the time of imaging the subject as a preview image or as a real image.

  The wireless communication unit 14 includes an antenna that transmits and receives wireless signals related to incoming / outgoing calls with a wireless base station (not shown) installed by a communication service provider, and an instruction input from the control unit 11 The communication protocol for the terminal 10 is executed with the radio base station while the transmission / reception voice transmission / reception and data communication are executed. It is assumed that model identification information that can identify the model name such as the model number and the manufacturing number of the terminal 10 is included in the data and transmitted.

  The imaging unit 15 includes an optical lens made of glass, plastic, and the like, and an imaging element such as a CCD (Charge Coupled Device), a CMOS (Complementary Metal Oxide Semiconductor), and the like. Image data is generated by converting an image into an electrical signal by an image sensor. In the image data captured here, imaging information indicating the state of the imaging unit 15 at the time of the imaging is attached by an Exif (Exchangeable Image Film Format) tag or the like (or associated with the image data) and stored. It is assumed that The imaging information includes, for example, data such as focal length, image size, resolution, shutter speed, aperture value at the time of imaging. In addition, since information such as the model of the camera that has performed normal imaging and the lens specifications are recorded in the Exif tag, this information may be used as the specification information.

  The image memory 16 is composed of a semiconductor memory or the like, and stores an image of a subject imaged by the imaging unit 15 as image data.

Next, the functional configuration of the order management server 30 will be described with reference to FIG.
As shown in FIG. 5, the order management server 30 includes a control unit 31, an operation unit 32, a display unit 33, a storage unit 34, an image processing unit 35, a communication unit 36, and the like. Connected by.

  The control unit 31 includes a CPU, a ROM, a RAM, and the like (not shown). The CPU executes various control programs stored in advance in the ROM and / or the storage unit 34 using a predetermined area of the RAM as a work area, and manages orders. The operation of each unit constituting the server 30 is controlled. Further, the control unit 31 reads and executes application programs recorded in the ROM and / or the storage unit 34 in accordance with the operation of the operation unit 32 by the user, thereby realizing various functions of the order management server 30. Yes.

  Further, the control unit 31 determines the imaging field angle of the HMD 100 ordered by the user of the terminal 10 based on various data and instruction information transmitted from the terminal 10, and the value of the determined imaging field angle Is sent to the manufacturing organization 40.

  The operation unit 32 includes a keyboard on which character input keys, numeric keys, cursor keys, various function keys, and the like are arranged, and outputs a signal corresponding to the key pressed on the keyboard to the control unit 31. Further, the operation unit 32 may be provided with a pointing device such as a mouse or a touch panel, or other input devices, as necessary.

  The display unit 33 includes a CRT (Cathode Ray Tube) display, a liquid crystal display, and the like, and displays an image on the display based on display data input from the control unit 31.

  The storage unit 34 is a rewritable recording medium, and specification information indicating specifications specific to each terminal 10 is stored in advance. The specification information includes, for example, information regarding the display angle of view, display size, resolution, serial number, device configuration unique to each terminal 10 model, functions, and the like.

  The image processing unit 35 performs predetermined image processing on the image data transmitted from the terminal 10 in accordance with an instruction from the control unit 31. Specifically, image processing for enlarging or reducing the display angle of view of the image data is performed, and at least one or more pieces of image data in which the angle of view is changed (hereinafter, the image data after changing the angle of view is referred to as angle-of-view changed image data Generated). Note that the angle-of-view change condition of each angle-of-view-change image data generated here is stored in the RAM or the storage unit 34 so that it can be referred to when the angle of view is determined by the control unit 31.

  The communication unit 36 is configured by a modem, a terminal adapter, and the like, and is an interface that enables communication with the terminal 10 connected to the network N.

  Next, with reference to FIG. 6, the selection procedure and processing regarding the imaging field angle of the HMD 100 performed between the terminal 10 and the order management server 30 will be described. FIG. 6 shows processing executed by the control unit 11 of the terminal 10 and the control unit 31 of the order management server 30.

  As a premise of this processing, it is assumed that a predetermined procedure related to the purchase of the HMD 100 is performed from the user, but the mode is not particularly limited, and the user directly performs a procedure with the order management server 30 via the terminal 10. May be made, or the procedure may be made via other communication means (for example, telephone, FAX, etc.).

  First, in accordance with the operation of the adjustment key of the operation unit 12 by the user, the imaging angle of view of the imaging unit 15 is changed (step S11), and standby is performed until this angle of view change operation is completed (step S11; No). .

  Next, when the user presses the shutter key of the operation unit 12, the imaging unit 15 performs imaging (step S <b> 12), and the captured image data is transmitted to the order management server 30 via the wireless communication unit 14. (Step S13).

The subject to be imaged here is not particularly limited, but by comparing the angle of view from a realistic point of view when comparing the angle of view, which will be described later, by using a landscape that the user is familiar with. Can do. In addition, since the burden on the user is small, it is preferable from the viewpoint of simplicity.
In addition, it is preferable that the terminal 10 (imaging unit 15) and the user's eyes at the time of imaging have a predetermined distance (for example, 10 cm, etc.) for imaging.

  On the other hand, the order management server 30 receives the image data from the terminal 10 and, based on the model identification information of the terminal 10 received together with the image data, out of the specification information stored in the storage unit 34, The corresponding specification information is referred to (step S14). And based on this specification information, image change image data is produced | generated (step S15), and this view angle change image data is transmitted to the terminal 10 (step S16). If the Exif tag of the image data includes specification information recording the camera model, lens specification, etc., the process of step S14 may be performed based on the specification information.

FIG. 7 is a diagram illustrating an example of the angle-of-view change image data generated in step S15.
Here, FIG. 7A shows image data captured by the imaging unit 15. Under the control of the control unit 31, the image processing unit 35 performs an enlargement process and a reduction process on the image data to change the angle of view of the image data. Then, parameters (enlargement ratio, reduction ratio, etc.) at the time of this image processing are stored in the storage unit 34 as angle-of-view change condition information.

  FIG. 7B shows angle-of-view changed image data obtained by enlarging the image data, and FIG. 7C shows angle-of-view changed image data obtained by reducing the image data. In FIG. 7C, the hatched area indicates an imaging area that is not included in the image data.

  Returning to FIG. 6, when the terminal 10 receives the angle-of-view change image data transmitted from the order management server 30, the terminal 10 displays the angle-of-view change image data on the display unit 13 (Step S <b> 17), and the purchaser operates the operation unit 12. The process waits until image angle change image data is selected via (No in step S18). In addition, when there are a plurality of angle-of-view-change image data displayed on the display unit 13, it is preferable to display them in a mutually comparable manner such as a list display. Moreover, it is good also as displaying the image data imaged with this terminal 10 in the aspect comparable with view angle change image data.

  Here, when a selection instruction signal indicating that specific view angle change image data has been selected is received via the operation unit 12 (step S18; Yes), this selection instruction information is transmitted to the order management server 30 (step S19). ), The processing on the terminal 10 side ends.

  On the other hand, when the order management server 30 receives the selection instruction information transmitted from the terminal 10, the order management server 30 refers to the view angle change condition of the view angle change image data indicated by the selection instruction information, The imaging field angle of the HMD 100 to be ordered is determined based on the imaging information at the time of imaging of the image data attached to the image data (step S20), and this process ends.

  In the first embodiment, the angle-of-view changed image data is generated from the image data transmitted from the terminal 10, and the imaging angle of view of the HMD 100 is determined based on the angle-of-view changed image data selected by the user. However, the present invention is not limited to this, and the imaging field angle of the HMD 100 may be immediately determined based on the imaging condition information of the image data transmitted from the terminal 10.

  As described above, according to the first embodiment, the imaging field angle of the HMD 100 is identified based on the imaging condition information of the image data captured by the imaging unit 15, and the value of the identified imaging field angle is determined. Notice. As a result, the user can simply specify the imaging field angle of the HMD 100 simply by providing image data captured at a desired field angle.

  Further, in order to specify the imaging angle of view of the HMD 100 based on the change condition data corresponding to the angle-of-view changed image data designated by the operation unit 12, the user can change the angle-of-view changed image data displayed on the display unit 13. Therefore, it is possible to specify the angle-of-view-changed image data having a desired imaging angle of view, and to easily specify the imaging angle of view of the HMD 100.

  Further, since the view angle change image data is generated based on the specification information regarding the display view angle of the display unit 13, it is possible to generate the view angle change image data according to the specification for each display unit, and the view angle change The appearance of the image data can be matched.

  Further, since it is possible to order the imaging field angle of the HMD 100 using a widely used mobile communication terminal such as a mobile phone with a camera, the imaging field angle can be designated simply and safely.

<Second Embodiment>
Next, a second embodiment of the imaging field angle selection system 50 will be described. For simplification of description, the same components as those of the first embodiment are denoted by the same reference numerals, description thereof is omitted, and only characteristic portions of the second embodiment will be described.

First, the terminal 10 of the second embodiment will be described with reference to FIG.
As illustrated in FIG. 8, the terminal 10 includes an image processing unit 18 in addition to the configuration of the first embodiment described above.

  The image processing unit 18 performs predetermined image processing on the image data captured by the imaging unit 15 in accordance with an instruction from the control unit 11. Specifically, image processing for enlarging or reducing the display angle of view of the image data is performed to generate at least one or more angle-of-view-changed image data in which the angle of view is changed. Note that the angle-of-view changing condition of each angle-of-view changed image data generated here is stored in the RAM.

  Note that the order management server 30 in the second embodiment may be configured to include the image processing unit 35 described above or may be configured not to include it.

  Next, with reference to FIG. 9, a selection procedure / process regarding the imaging field angle of the HMD 100 performed between the terminal 10 and the order management server 30 will be described. FIG. 9 shows processing executed by the control unit 11 of the terminal 10 and the control unit 31 of the order management server 30.

  First, in accordance with the operation of the adjustment key of the operation unit 12 by the user, the imaging field angle of the imaging unit 15 is adjusted (step S31), and the process waits until the operation from the user is completed (step S31; No).

  Next, in response to the user pressing the shutter key of the operation unit 12, the imaging unit 15 performs imaging (step S32), and the captured image data is stored in the RAM.

  Subsequently, image change image data is generated based on the imaged image data (step S33), and the view angle change image data is displayed on the display unit 13 (step S34). The process waits until image angle change image data is selected via (step S35; No). The program necessary for the processing in step S33 is preferably provided by downloading from another server site such as the order management server 30 or provided via a recording medium that can be attached to and detached from a memory card or the like. This is convenient because it can be realized without adding hardware devices to the mobile communication terminal. Further, since the angle-of-view change image data can be generated in a stand-alone state, it can be executed regardless of the communication (radio wave) state.

Here, when specific view angle change image data is selected via the operation unit 12 (step S35; Yes), the view angle change condition of the selected view angle change image data is read, and this view angle change condition is read out. Then, the image data that is the basis of the view angle change image data is transmitted to the order management server 30 (step S36), and the processing on the terminal 10 side ends.
Although the image data is transmitted here, the present invention is not limited to this, and when the imaging information at the time of image data imaging is included in the angle-of-view changed image data, the angle-of-view changed image data is transmitted. It is good as well.

  On the other hand, when the order management server 30 receives the image data and the view angle change condition transmitted from the terminal 10, the order management server 30 determines the imaging view angle of the HMD 100 to be ordered based on the image data and the view angle change condition (step S37). ), This process ends.

  As described above, according to the second embodiment, the imaging field angle of the HMD 100 is identified based on the imaging condition information of the image data captured by the imaging unit 15, and the value of the identified imaging field angle is determined. Notice. As a result, the user can simply specify the imaging field angle of the HMD 100 simply by providing image data captured at a desired field angle.

  Further, in order to identify the imaging field angle of the HMD 100 based on the change condition data corresponding to the field angle change image data designated by the operation unit 12, the user changes the field angle displayed on the display unit 13. From the image data, it is possible to specify image angle change image data having a desired imaging angle of view, and it is possible to easily specify the imaging angle of view of the HMD 100.

  Further, since it is possible to order the imaging field angle of the HMD 100 using a widely used mobile communication terminal such as a mobile phone with a camera, the imaging field angle can be designated simply and safely.

<Third Embodiment>
Next, a third embodiment of the imaging field angle selection system 50 will be described. For simplification of description, the same components as those of the first embodiment are denoted by the same reference numerals, description thereof is omitted, and only the characteristic part of the third embodiment will be described.

FIG. 1 shows a schematic diagram of an imaging field angle selection system 50 according to the third embodiment.
As shown in FIG. 1, the imaging angle-of-view selection system 50 includes a terminal 20, an order management server 30, a manufacturing organization 40, and the like, and each device can transmit and receive information via a network N. It is connected.

Hereinafter, each component of the imaging field angle selection system 50 will be described.
The terminal 20 is an information communication terminal such as a PC (Personal Computer), and is a terminal operated by a user of this system. By connecting the terminal 20 to the order management server 30 via the network N, the imaging field angle of the imaging unit 120 (see FIG. 2) of the HMD described later can be ordered (ordered).

  In the third embodiment, the case where the imaging field angle of the HMD 100 is designated via the terminal 20 will be described. However, the order management server 30 performs the same processing as the terminal 10 on the terminal 20. To do.

FIG. 10 shows a functional configuration of the terminal 20 in the third embodiment.
As illustrated in FIG. 10, the terminal 20 includes a control unit 21, an operation unit 22, a display device 23, a storage unit 24, a communication unit 25, and the like, which are connected to each other via a bus 26. .

  The control unit 21 includes a CPU, a ROM, a RAM, and the like (not shown). The CPU executes various control programs stored in advance in the ROM and / or the storage unit 24 using a predetermined area of the RAM as a work area, and executes the terminal 20. The operation of each part constituting the is controlled. Further, the control unit 21 reads and executes application programs recorded in the ROM and / or the storage unit 24 in accordance with the operation of the operation unit 22 by the user, thereby realizing various functions of the terminal 20.

  The operation unit 22 includes a keyboard on which character input keys, numeric keys, cursor keys, various function keys, and the like are arranged, and outputs a signal corresponding to a key pressed on the keyboard to the control unit 21. Further, the operation unit 22 may be provided with a pointing device such as a mouse or a touch panel, or other input devices, as necessary.

  The display device 23 includes a CRT (Cathode Ray Tube) display, a liquid crystal display, and the like, and displays an image on the display of the display device 23 based on display data input from the control unit 21. Yes.

  The storage unit 24 is a rewritable recording medium, and stores image data captured by an imaging unit such as a digital camera, a video camera, and a mobile phone with an imaging function. In addition, the aspect which inputs image data from these imaging means is not restricted especially, For example, it is good also as performing via wired communication or wireless communication, or a removable recording medium.

  Here, it is assumed that the image data stored in the storage unit 24 is image data captured in advance at an angle of view desired by the user, and this image data includes an imaging condition at the time of capturing the image data. It is assumed that

  The communication unit 25 is configured by a modem, a terminal adapter, and the like, and is an interface that enables communication with the order management server 30 connected to the network N.

Next, a functional configuration of the order management server 30 in the third embodiment will be described with reference to FIG.
First, the storage unit 34 of the third embodiment will be described. In the first embodiment, the storage unit 34 stores the specification information of the terminal 10 in advance, but the storage unit 34 in the third embodiment does not store the specification information of the terminal 20.

  Further, the image processing unit 35 generates scale image data having a scale with a predetermined pitch interval in accordance with an instruction from the control unit 31. The scale image data is transmitted to the terminal 20 via the communication unit 36.

  Moreover, the control part 31 specifies the display characteristic of the display apparatus 23 which the terminal 20 has based on the instruction information transmitted from the terminal 20 as a response with respect to scale image data, and changes an angle-of-view image data based on this display characteristic. Is generated.

  Next, with reference to FIG. 11, the selection procedure / process regarding the imaging field angle of the HMD 100 performed between the terminal 20 and the order management server 30 will be described. FIG. 11 shows processing executed by the control unit 21 of the terminal 20 and the control unit 31 of the order management server 30.

  First, the terminal 20 transmits information indicating that an order related to the imaging field angle of the HMD 100 is started (step S41). When this information is received by the order management server 30, the order management server 30 receives the image processing unit. 35 is controlled to generate scale image data (step S42), and the generated scale image data is transmitted to the terminal 20 (step S43).

  Next, the terminal 20 displays the received scale image data on the display device 23 (step S44), and the comparison result between the scale position on the displayed scale image data and the reference unit having the reference length is used. It waits until it inputs via the operation part 22 by a person (step S45; No).

  Here, when the comparison result is input from the user (step S45; Yes), the control unit 21 transmits the comparison result information and the image data stored in the storage unit 24 to the order management server 30 (step). S46).

Here, the processing of steps S45 to S46 will be described with reference to FIG.
FIG. 12 shows scale image data displayed on the display device 23. Here, the pitch interval of the scale image data is expanded and shortened according to the display characteristics related to the display angle of view such as the screen size and resolution of the display device 23. Therefore, a scale position on the scale image data corresponding to a predetermined scale obtained by comparing the scale position on the scale image with a reference device D such as a ruler having a scale serving as a reference is displayed on the display device. 23 can be used as an index for specifying the display angle of view.

  As shown in FIG. 12, the pitch interval of the scale image data displayed on the screen of the display device 23 is compared with the reference device D by the user, and the scale position of the scale image data corresponding to a predetermined scale is manipulated. It is input as comparison result information via the unit 22. For example, when the scale position on the scale image data corresponding to the length of 10 cm of the reference device D is “3” shown in FIG. 12, the value of “3” is input as scale position information. The

  The reference scale is not limited to the above example, but it is preferable to use a standardized length of a credit card or the like as the reference scale.

  Returning to FIG. 11, when the order management server 30 receives the comparison result information and the image data transmitted from the terminal 10, the order management server 30 specifies the display characteristics of the display device 23 based on the comparison result information (step S47). The angle-of-view changing image data is generated from the image data based on the characteristics (step S48). Then, the view angle change image data is transmitted to the terminal 20 via the communication unit 36 (step S49).

  Upon receiving the view angle change image data transmitted from the order management server 30, the terminal 20 displays the view angle change image data on the display device 23 (step S50), and the view angle from the user via the operation unit 22 is displayed. Wait until the changed image data is selected (step S51; No).

  Here, when a selection instruction signal indicating that specific angle-of-view changed image data has been selected is received via the operation unit 22 (step S51; Yes), this selection instruction information is transmitted to the order management server 30 (step S52). ), The processing on the terminal 20 side ends.

  On the other hand, when the order management server 30 receives the selection instruction information transmitted from the terminal 20, the order management server 30 refers to the view angle change condition of the view angle change image data specified by the selection instruction information, The imaging field angle of the HMD 100 to be ordered is determined based on the imaging information at the time of imaging of the image data attached to the image data (step S53), and this process ends.

  As described above, according to the third embodiment, the imaging field angle of the imaging unit is specified based on the imaging condition information of the image data captured by another imaging unit, and the specified imaging field angle is determined. Notify the value. Thus, the user can simply specify the imaging field angle of the imaging unit of the imaging unit simply by providing image data captured at a desired angle of view.

  Further, the display angle of view is specified based on the scale position information indicating the scale position on the scale image data corresponding to the predetermined scale, and the view angle change image data is generated based on the specified display angle of view. Thereby, since it is possible to generate the angle-of-view-changed image data according to the display angle of view of the display means, it is possible to match the appearance of the angle-of-view-changed image data.

<Fourth Embodiment>
Next, a fourth embodiment of the imaging field angle selection system 50 will be described. For simplification of description, the same components as those in the first embodiment and the third embodiment are denoted by the same reference numerals and description thereof is omitted, and only the characteristic part of the fourth embodiment is omitted. explain.

First, the terminal 20 of the fourth embodiment will be described with reference to FIG.
As shown in FIG. 13, the terminal 20 is configured to further include an image forming apparatus 27 in addition to the configuration of the third embodiment described above.

  The image forming apparatus 27 is a printing apparatus such as an ink jet printer or a laser printer, and forms an image on a recording medium such as printing paper in accordance with an instruction from the control unit 21.

  Next, the functional configuration of the order management server 30 in the fourth embodiment will be described with reference to FIG.

  In accordance with an instruction from the control unit 31, the image processing unit 35 generates image identification information for identifying the angle-of-view changed image data together with the angle-of-view changed image data, and uses the angle-of-view changed image data and the image identification information. Print image data associated with each is generated.

  Here, the printing image data is image data generated on the assumption that printing is performed in a printing apparatus such as the image forming apparatus 27, and includes, for example, print instruction information for instructing a paper size at the time of printing. May be included.

  Next, with reference to FIG. 14, a selection procedure / process regarding the imaging field angle of the HMD 100 performed between the terminal 20 and the order management server 30 will be described. FIG. 14 shows processing executed by the control unit 21 of the terminal 20 and the control unit 31 of the order management server 30.

  First, the terminal 20 transmits the image data stored in the storage unit 24 to the order management server 30 together with information indicating that an order related to the imaging field angle of the HMD 100 is started (step S61).

  On the other hand, when receiving the image data from the terminal 20, the order management server 30 generates the angle-of-view change image data based on the image data (step S62) and also generates the image identification information (step S63). Print image data is generated based on the image change image data and the image identification information (step S64). Then, the generated image data for printing is transmitted to the terminal 20 (step S65).

  Upon receiving the printing image data from the order management server 30, the terminal 20 controls the image forming apparatus 27 to record the printing image data on a recording medium (step S66), and the printed angle-of-view changed image is printed. It waits until the image identification information corresponding to is input via the operation unit 22 (step S67; No). When image identification information is input via the operation unit 22 (step S67; Yes), this image identification information is transmitted to the order management server 30 via the communication unit 25 (step S68), and processing on the terminal 20 side is performed. Ends.

Here, the processing in steps S67 to S68 will be described with reference to FIGS.
FIG. 15 is a diagram illustrating an example of printing image data recorded on the recording medium M. As shown in the figure, each view angle change image and image identification information (G1 to G3 in the figure) associated with each view angle change image are recorded. Here, the material of the recording medium on which the printing image data is recorded, the paper size, and the like are not particularly limited. Further, the mode of the printing image data recorded on the recording medium is not limited to the example shown in FIG. 15, but when there are a plurality of angle-of-view change images, they can be compared with each other such as a list display. It is preferable to be displayed in such a manner.

FIG. 16 is a diagram illustrating the relationship between the recording medium M and the user U.
The recording medium M on which the angle-of-view change image and the image identification information are recorded is observed from the user U at a predetermined distance as shown in FIG. Here, an angle-of-view-change image having a desired angle of view is selected by the user U, and image identification information corresponding to the angle-of-view-change image is input to the terminal 10 via the operation unit 22. Become. For example, in the recording medium M shown in FIG. 15, when a view angle changed image with an expanded view angle is desired, a value of “G3” is input.

The distance L between the user U and the recording medium M is not particularly limited, but is preferably a distance according to the size of the angle-of-view-change image recorded on the recording medium M.
In addition, since the size of the angle-of-view-change image recorded on the recording medium M by the image forming apparatus 27 may expand and contract depending on the setting conditions of the image forming apparatus 27, the image when recorded on the recording medium M is displayed. Calibration data for comparing the size of the angle change image with the size planned on the order management server 30 side is included in the print image data, and the angle change image and the image identification information are recorded together with the print image data being recorded. The calibration data may be recorded.

  FIG. 17 is a diagram showing calibration data P recorded on the recording medium M. Here, the scale image data for comparison with the calibration data P is displayed on the display device 23 as in the third embodiment, and the calibration data recorded on the recording medium M as shown in FIG. By comparing the data P with the scale position on the scale image data, it is possible to measure the degree of expansion / contraction of the view angle changed image. For example, in the case where the order management server 30 is scheduled to record at a scale position of “12” on the scale image data, but has a scale position of “9” as shown in the figure. The user can grasp that the angle-of-view change image has been reduced and printed. It is assumed that information indicating the scale position of the scheduled recording size is notified to the user U in advance by being transmitted to the terminal 20 together with the print image data.

  In the above case, by adjusting the distance L between the user U and the recording medium M based on the scale position of the scheduled recording size and the actually measured scale position, Regardless of the recording size, it is possible to make the view angle-changed images look the same.

  Returning to FIG. 14, when receiving the image identification information transmitted from the terminal 20, the order management server 30 refers to the view angle change condition of the view angle change image data corresponding to this image identification information, and this view angle change condition Then, the imaging field angle of the HMD 100 to be ordered is determined based on the imaging information at the time of imaging of the image data attached to the image data (step S69), and this processing ends.

  As described above, according to the fourth embodiment, the imaging field angle of the imaging unit is specified based on the imaging condition information of the image data captured by another imaging unit, and the specified imaging field angle is determined. Notify the value. Thus, the user can simply specify the imaging field angle of the imaging unit of the imaging unit simply by providing image data captured at a desired angle of view.

  In addition, since the user can specify the imaging angle of view based on the printing image data recorded on the recording medium, the user desires from the printing image data recorded on the recording medium. By simply specifying the image identification information corresponding to the view angle change image data, the imaging field angle of the imaging means can be specified.

  The present invention is not limited to the above embodiment, and various improvements and design changes may be made without departing from the spirit of the present invention.

  For example, the imaging field angle selection system 50 is used for selecting the imaging field angle of the HMD. However, the present invention is not limited to this, and the imaging field angle selection system 50 may be used for selection of the imaging field angle of other optical devices.

  In the present embodiment, the imaging field angle of the imaging unit 120 included in the HMD 100 is adjusted. However, the present invention is not limited to this, and by adjusting the condenser lens 112 of the display unit 110, The display angle of view of the guided image light may be changed.

1 is a diagram showing an outline of an imaging field angle selection system 50. FIG. It is a figure which shows HMD100. It is a figure which shows a video projection part and an eyepiece optical system. It is a block diagram which shows the functional structure of the terminal 10 in 1st Embodiment. It is a block diagram which shows the functional structure of the order management server 30 in 1st Embodiment. It is a figure for demonstrating an example of operation | movement of the imaging view angle selection system in 1st Embodiment. FIG. 2 is a diagram for explaining angle-of-view change image data, (a) a diagram showing an example of image data, (b) a diagram showing an example of view-angle-changed image data (telephoto), (c) view-angle-changed image data It is a figure which shows an example (wide angle). It is a block diagram which shows the functional structure of the terminal 10 in 2nd Embodiment. It is a figure for demonstrating an example of operation | movement of the imaging view angle selection system in 2nd Embodiment. It is a block diagram which shows the functional structure of the terminal 20 in 3rd Embodiment. It is a figure for demonstrating an example of operation | movement of the imaging view angle selection system in 3rd Embodiment. It is a figure which shows an example of the scale image data displayed on the display apparatus. It is a block diagram which shows the functional structure of the terminal 20 in 4th Embodiment. It is a figure for demonstrating an example of operation | movement of the imaging view angle selection system in 4th Embodiment. 4 is a diagram illustrating an example of printing image data recorded on a recording medium M. FIG. 3 is a diagram illustrating a relationship between a user U and a recording medium M. FIG. It is a figure which shows the relationship between the calibration data recorded on the recording medium M, and the scale image data displayed on the display apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 50 Image pick-up angle selection system 10 Terminal 11 Control part 12 Operation part 13 Display part 14 Wireless communication part 15 Imaging part 16 Image memory 17 Bus | bath 18 Image processing part 20 Terminal 21 Control part 22 Operation part 23 Display apparatus 24 Storage part 25 Communication part 26 Bus 27 Image forming apparatus 30 Order management server 31 Control unit 32 Operation unit 33 Display unit 34 Storage unit 35 Image processing unit 36 Communication unit 37 Bus 40 Manufacturing organization 100 Head mounted display (HMD)
101R, 101L Lens 102R, 102L Nose pad part 103R, 103L Temple 104 Bridge 110 Display unit 110a Image projection part 110b Eyepiece optical system 111 LED
112 Condenser lens 113 LCD
114 Prism 115 HOE
120 Imaging unit

Claims (8)

An imaging field angle selection system for a head-mounted display, comprising: an imaging unit; and an eyepiece optical system that guides an optical image captured by the imaging unit to an eye,
Other imaging means different from the imaging means;
Storage means for storing image data captured by the other imaging means and imaging condition information at the time of imaging;
Based on the stored imaging condition information, an imaging field angle identifying unit that identifies an imaging field angle of the imaging unit;
Notification means for notifying the value of the specified imaging angle of view;
An imaging angle of view selection system characterized by comprising: An angle-of-view changing means for generating at least one or more angle-of-view-change image data in which the angle of view of the image data is changed based on the image data picked up by the other image pickup means;
Change condition storage means for storing change condition data indicating a change condition of the generated view angle change image data in association with the view angle change image data;
Display means for displaying the generated angle-of-view-change image data;
Image designation means capable of selectively designating the displayed angle-of-view change image data;
Further comprising
The imaging angle-of-view specifying unit specifies the imaging angle of view based on the change condition data corresponding to the angle-of-view changed image data designated by the image designation unit. Imaging angle of view selection system. Specification information storage means in which specification information related to the display angle of view of the display means is stored in advance,
The imaging angle-of-view selection system according to claim 2, wherein the angle-of-view changing unit generates the angle-of-view changed image data based on the stored specification information. An imaging field angle selection method for a head mounted display having an imaging unit and an eyepiece optical system that guides an optical image captured by the imaging unit to an eye,
An imaging field angle specifying step of specifying an imaging field angle of the imaging unit based on imaging condition information of image data captured by another imaging unit different from the imaging unit;
A notification step of notifying the value of the specified imaging angle of view;
A method for selecting an angle of view for imaging. An angle-of-view changing step for generating at least one or more angle-of-view-change image data in which the angle of view of the image data is changed based on the image data picked up by the other image pickup means;
A change condition storing step of storing change condition data indicating a change condition of the generated view angle change image data in association with the view angle change image data;
A display step of displaying the generated angle-of-view change image data;
An image designating step capable of selectively designating the displayed angle-of-view change image data;
Further including
5. The imaging field angle specifying step of specifying the imaging field angle based on the change condition data corresponding to the field angle change image data specified in the image specifying step. Image angle selection method.   The imaging angle-of-view selection method according to claim 5, wherein the angle-of-view changing step generates the angle-of-view changed image data based on specification information related to a display angle of view of the display unit. A scale image generating step for generating scale image data having a scale with a predetermined pitch interval;
A scale image display step for displaying the generated scale image data;
A display angle-of-view specifying step of specifying a display angle of view of the display means based on a scale position of the displayed scale image data corresponding to a predetermined scale;
Further including
The imaging angle-of-view selection method according to claim 4, wherein the angle-of-view changing step generates the angle-of-view-change image data based on the specified display angle of view. An identification information generating step for generating image identification information for identifying the generated angle-of-view-change image data;
An identification information storing step of storing the generated image identification information in association with the angle-of-view-change image data;
A printing image generation step of generating printing image data based on the angle-of-view change image data and image identification information corresponding to the angle-of-view change image data;
An image forming step of recording the generated image data for printing on a recording medium;
An identification information designation step capable of selectively designating the image identification information corresponding to the angle-of-view change image data of the recorded printing image data;
Further including
5. The imaging field angle selection method according to claim 4, wherein the imaging field angle specifying step specifies the imaging field angle based on the image identification information specified in the identification information specifying step.