JP2013171079A - Photographing support device, photographing support method, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a photographing support device and the like enabling simple specification of the optimal arrangement of a camera.SOLUTION: A photographing support device 1 includes a condition obtainment part 141, a photo-object state information obtainment part 143, a camera information DB 135, a camera information obtainment part 144, and an optimal placement distance obtainment part 145. The condition obtainment part 141 obtains, from a user, photographic information 132 including a photographic range and the size of a photo-object. The photo-object state information obtainment part 143 obtains a state of the photo-object on the basis of the photographic information 132. The camera information obtainment part 144 obtains information of a camera provided with functionality suitable for photographing a photo-object in the obtained state from the camera information DB 135 on the basis of the obtained photographic information 132. The optimal placement distance obtainment part 145 obtains an optimal placement distance representing an optimal distance between the camera and the photo-object in the photographing direction on the basis of the obtained photographic information 132 and specification information included in the obtained camera information.

Description

  The present invention relates to a photographing support apparatus, a photographing support method, and a program.

  Conventionally, when using a system that uses video captured by a camera, as a method of specifying the installation location of the camera, take the shooting equipment directly to the shooting site, check the status of the object to be shot and the location, There is a method of specifying the installation location while actually shooting. This method requires manpower and time. In particular, when the shooting location and the shooting target change every time shooting is performed, it is necessary to make adjustments at the site each time. In addition, since the time required for installation varies depending on the experience value of the person who installs, labor and personnel arrangements may hinder the introduction of the system.

  Therefore, as a method for easily determining the camera installation location regardless of the photographer, the camera, the shooting location, and the shooting target, for example, Patent Document 1 discloses a program for simulating the camera installation location.

JP 2009-105802 A

  However, the technique described in Patent Document 1 is to simulate and display what range can be photographed when the camera is installed before the camera is installed. Therefore, it is necessary for the user himself / herself to specify the installation location of the camera to be simulated, and it still takes time and effort when the user specifies the optimal installation location of the camera.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a photographing support apparatus, a photographing support method, and a program capable of easily specifying the optimal arrangement of cameras.

In order to achieve the above object, a photographing support apparatus according to the first aspect of the present invention provides:
A shooting support device that acquires an optimum installation distance that represents an optimum distance between a camera and a shooting object in a shooting direction,
Photographing object state information obtaining means for obtaining state information representing the state of the photographing object;
Shooting information acquisition means for acquiring shooting information including the size of the shooting object;
A shooting target rule storage unit that stores state information indicating the state of the shooting target and function information indicating a function of the camera suitable for shooting the shooting target in the state, in association with each other;
Camera information storage means for storing camera information including specification information indicating the specification of the camera and function information indicating a function of the camera for each camera;
Camera information for acquiring function information corresponding to the state information acquired by the shooting target state information acquisition unit from the shooting target rule storage unit and acquiring camera information including the acquired function information from the camera information storage unit Acquisition means;
The optimum installation distance is acquired based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit and the specification information included in the camera information acquired by the camera information acquisition unit. An optimum installation distance acquisition means;
It is characterized by providing.

In order to achieve the above object, a shooting support method according to the second aspect of the present invention provides:
A shooting support method for obtaining an optimal installation distance representing an optimal distance between a camera and a shooting object in a shooting direction,
A shooting target state information acquisition step of acquiring state information representing a state of the shooting target;
An imaging information acquisition step for acquiring imaging information including the size of the imaging object;
From the photographing target rule storage means for storing the state information representing the state of the photographing object and the function information representing the function of the camera suitable for photographing the photographing object in the state in association with each other, the photographing Function information corresponding to the state information acquired in the target state information acquisition step is acquired, and for each camera, camera information including specification information indicating the specification of the camera and function information indicating a function included in the camera. Camera information acquisition step for acquiring camera information including the acquired function information from the camera information storage means for storing;
The optimal installation distance is acquired based on the size of the shooting target included in the shooting information acquired in the shooting information acquisition step and the specification information included in the camera information acquired in the camera information acquisition step. An optimal installation distance acquisition step;
It is characterized by providing.

In order to achieve the above object, a program according to the third aspect of the present invention provides:
A computer that obtains the optimum installation distance that represents the optimum distance between the camera and the subject in the shooting direction.
Shooting target state information acquisition means for acquiring state information indicating the state of the shooting target;
Shooting information acquisition means for acquiring shooting information including the size of the shooting object;
From the photographing target rule storage means for storing the state information representing the state of the photographing object and the function information representing the function of the camera suitable for photographing the photographing object in the state in association with each other, the photographing Function information corresponding to the state information acquired by the target state information acquisition unit is acquired, and for each camera, camera information including specification information indicating the specification of the camera and function information indicating a function included in the camera. Camera information acquisition means for acquiring camera information including the acquired function information from the camera information storage means for storing;
The optimum installation distance is acquired based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit and the specification information included in the camera information acquired by the camera information acquisition unit. Optimal installation distance acquisition means,
It is made to function as.

  ADVANTAGE OF THE INVENTION According to this invention, the imaging | photography assistance apparatus, the imaging | photography assistance method, and program which can specify the optimal arrangement | positioning of a camera simply can be provided.

It is a block diagram which shows roughly the structure of the imaging | photography assistance apparatus which concerns on embodiment. It is a figure which shows an example of camera search parameter information. It is a figure which shows an example of imaging | photography information. It is an example of the front view of the imaging | photography object seen from the imaging | photography direction in the imaging | photography place. It is a figure which shows an example of function information DB. It is a figure which shows an example of imaging | photography object rule DB. It is a figure which shows an example of camera information DB. It is a figure which shows an example of a user input screen. It is a figure for demonstrating an example of the calculation method of the optimal installation distance by the optimal installation distance acquisition part. It is a figure for demonstrating an example of the acquisition method of the optimal installation angle by the optimal installation angle acquisition part. It is a figure which shows an example of a search result screen. It is a flowchart which shows an example of the flow of optimal arrangement | positioning acquisition processing. It is a flowchart which shows an example of the flow of optimal arrangement | positioning acquisition processing. It is a flowchart which shows an example of the flow of a camera information acquisition process.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a block diagram showing a configuration of a photographing support apparatus 1 according to the embodiment of the present invention. The imaging support apparatus 1 includes an input unit 110, a display unit 120, a storage unit 130, and a control unit 140.

  The input unit 110 includes various keys, buttons, a touch panel, and the like for receiving operation inputs from the user. The input unit 110 receives an operation input from the user, and outputs information indicated by the operation input to the control unit 140. In the present embodiment, the input unit 110 receives an operation input indicating shooting information including the size of the shooting target and the shooting range viewed from the shooting direction from the user.

  The display unit 120 includes, for example, a drive circuit and a display panel such as a liquid crystal panel or an organic EL (Electro Luminescence) panel. The drive circuit drives the display panel according to the image data output from the control unit 140 and causes the display panel to display an image represented by the image data.

  The storage unit 130 includes a storage device such as a ROM (Read Only Memory) or a flash memory, for example. The storage unit 130 stores an operation program executed by the control unit 140, data necessary for execution of each process, data acquired or generated by execution of each process, and the like. Specifically, the storage unit 130 stores camera search parameter information 131, shooting information 132, a function information DB (database) 133, a shooting target rule DB 134, and a camera information DB 135.

  The camera search parameter information 131 represents various search parameters for acquiring camera information from the camera information DB 135. FIG. 2 shows an example of the camera search parameter information 131. The camera search parameter information 131 shown in FIG. 2 includes, as search parameters, a “search method” that represents a method for searching camera information, a “camera name” that represents the name of the camera that the user desires to search, and a user that desires a search. It includes information indicating “focal length”, “field angle”, “aperture”, and “shortest shooting distance” which are camera specifications. Information representing these search parameters is acquired from the user by the control unit 140 and stored in the camera search parameter information 131.

  Here, a search method for searching for camera information from the camera information DB 135 in the present embodiment will be described. In the present embodiment, the camera information is obtained by any one of the following three methods: (1) a method for searching from camera names, (2) a method for searching from camera specifications, and (3) a method for searching without specifying a camera. Searched.

  (1) The method of searching from the camera name is a method of searching for camera information including a camera name that matches the camera name included in the camera search parameter information 131.

  (2) The method of searching from the camera specification includes the closest specification based on the focal length, the angle of view, the aperture, and the shortest shooting distance included in the camera search parameter information 131 and shooting information 132 described later. This is a method for searching camera information.

  (3) A method of searching without specifying a camera is a method of searching for camera information based on the shooting information 132. Specifically, for example, camera information including a shootable circle diameter closest to the longest dimension of the shooting target calculated from the size of the shooting target included in the shooting information 132 is acquired.

  The search method included in the camera search parameter information stores information representing any one of the search methods (1) to (3).

  The shooting information 132 is information including the size of the shooting target and the shooting range viewed from the shooting direction. FIG. 3 shows an example of shooting information. The shooting information shown in FIG. 3 includes a shooting target size (horizontal width) w and a shooting target size (vertical width) h that indicate the size of the shooting target, and a shooting range that represents the range that can be shot by the camera as viewed from the shooting direction. (Horizontal width) W and shooting range (height) H, shooting target position (X-axis direction) x and shooting target position (Y-axis direction) y representing the position of the shooting target relative to the shooting range, and shooting target state ID. Among these pieces of information, information other than the shooting target state ID is acquired from the user by the control unit 140 and stored in the camera search parameter information 131.

  Here, the various types of information included in the shooting information will be specifically described with reference to FIG. FIG. 4 shows an example of a front view of the photographing object 2 viewed from the photographing direction at the photographing place. In FIG. 4, the shooting object size (horizontal width) is w, and the shooting object size (vertical width) is h. Further, in the living room 3 that is the shooting location, the shooting range is considered to be the entire width of the living room 3 in the horizontal direction and the entire height of the living room 3 in the vertical direction, so the shooting range (width) is W, the shooting range. (Height) is H. Also, in the imaging range, when the X axis is defined in the horizontal direction and the Y axis is defined in the vertical direction as shown in FIG. 4, the imaging object position (X axis direction) is x, and the imaging object position (Y axis direction) is y.

  The shooting target state ID is information for identifying the arrangement state of the shooting target in the shooting range. Specifically, the shooting target state ID includes the state ID of the state information specified based on the shooting information 132 by the optimum arrangement acquisition process among the state information stored in the shooting target rail DB 134 described later.

  The function information DB 133 stores function information representing various functions provided in the camera. FIG. 5 shows an example of function information stored in the function information DB 133. As illustrated in FIG. 5, the function information includes a function name and a function ID associated with each function included in the camera. The function name represents the name of the function provided in the camera. The function ID is information for identifying the function of the camera represented by the corresponding function name. For example, the function name “standard lens” is associated with the function ID “op11”. The function information stored in the function information DB 133 is set in advance by a user or the like.

  The shooting target rule DB 134 associates and stores state information indicating the arrangement state of the shooting object in the shooting range and function information indicating the function of the camera suitable for shooting the shooting object in the arrangement state. To do. FIG. 6 shows an example of the shooting target rule DB 134. The shooting target rule DB 134 illustrated in FIG. 6 stores state information and a function ID in association with each other. The state information includes state rule information and a state ID. The state rule information represents the condition of the arrangement state of the photographing object in the photographing range. The state ID is information for identifying an arrangement state that satisfies the condition represented by the corresponding state rule information. The state rule information and the state ID are associated with a function ID for identifying a function included in the camera, which is suitable for photographing a photographing object in a state identified by the state ID.

  For example, in the shooting target rule DB 134 illustrated in FIG. 6, the state rule information “ratio to the shooting range (P> 50%)” indicates that the ratio P of the shooting target to the shooting range viewed from the shooting direction is 50% or more. Represents the condition of the state, and is associated with the state ID “st11”. Then, as function information indicating the function of the camera suitable for photographing the photographing object in this state, the function ID “op12” (see FIG. 5) corresponding to the function name “wide-angle lens” is the state rule information “shooting”. The ratio to the range (P> 50%) ”and the state ID“ st11 ”are associated with each other. Note that the state rule information, the state ID, and the function ID stored in the shooting target rule DB 134 are set in advance by a user or the like.

  The camera information DB 135 stores camera information including specification information indicating camera specifications and function information indicating functions of the camera for each type of camera. FIG. 7 shows an example of the camera information DB 135. In the camera information DB 135 illustrated in FIG. 7, the camera information includes a camera name, specification information, and a function ID in association with each camera. The specification information includes a manufacturer, a model name, a focal length, an angle of view, a diaphragm, a shootable circle diameter, and a shortest shooting distance, which are specifications of a camera having a corresponding camera name. The function ID includes a function ID for identifying a function included in the camera having the corresponding camera name and specification information.

  For example, in the camera information DB 135 shown in FIG. 7, when a camera with the camera name “BBB” includes a wide-angle lens, refer to the function information DB 133 shown in FIG. 5 as the function ID corresponding to the camera name “BBB”. The function ID “op12” corresponding to the function name “wide-angle lens” is stored. Further, when the camera has a plurality of functions among the functions represented by the function information stored in the function information DB 133, the function ID representing each function is stored in the camera information DB 135 in association with the camera name of the camera. The The camera information stored in the camera information DB 135 is set in advance by a user or the like.

  The control unit 140 includes, for example, an arithmetic processing circuit such as a CPU (Central Processing Unit), a RAM (Random Access Memory) functioning as a work area, various drivers, and the like. The control unit 140 controls each unit of the photographing support apparatus 1 and executes various processes based on a predetermined operation program stored in the storage unit 130.

  Next, functions of the control unit 140 of the photographing support apparatus 1 according to the embodiment of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the control unit 140 includes a condition acquisition unit 141, a shooting object position / size determination unit 142, a shooting target state information acquisition unit 143, a camera information acquisition unit 144, an optimum installation distance acquisition unit 145, and an optimum installation. It functions as an angle acquisition unit 146 and a search result output unit 147.

  The condition acquisition unit 141 acquires various data necessary for acquiring the optimal installation location of the camera from the user. Specifically, the condition acquisition unit 141 displays a user input screen on the display unit 120 and acquires information to be stored in the camera search parameter information 131 and the shooting information 132 from the user via the input unit 110.

  FIG. 8 shows an example of the user input screen 4. The user input screen 4 includes a shooting condition input form 410, a condition addition button 420, and a search execution button 430. The shooting condition input form 410 is a page including a pair of camera search condition input forms 440 and a shooting condition input form 450, and a page is added each time the condition addition button 420 is selected.

  The camera search condition input form 440 is an area for inputting camera information used by the user. Specifically, the camera search condition input form 440 includes search method selection buttons 441a to 441c, a camera name selection box 442, a camera name list display button 443, and a specification input box 444.

  The search method selection buttons 441a to 441c are buttons for selecting a method for searching camera information from the camera information DB 135. The search method selection buttons 441a to 441c correspond to (1) a method of searching from the camera name, (2) a method of searching from the specification of the camera, and (3) a method of searching without specifying the camera, in order. When the user selects any of the search method selection buttons 441a to 441c, information indicating the search method corresponding to the selected search method selection buttons 441a to 441c is selected after the search execution button 430 is selected. 131 corresponding items are stored.

  The camera name selection box 442 is a selection box for the user to select a camera name that serves as a search parameter when searching from the camera name when the search method selection button 441a is selected. When the user selects the camera name list display button 443, the camera name selection box 442 displays a list of camera names included in the camera information stored in the camera information DB 135. Information indicating the camera name selected from the list displayed by the user is stored in the corresponding item of the camera search parameter information 131 after the search execution button 430 is selected.

  The specification input box 444 is a form for the user to input camera specifications that are search parameters when searching from the camera specifications when the search method selection button 441b is selected. The specification input box 444 has input boxes respectively corresponding to four specifications of “focal length”, “field angle”, “aperture”, and “shortest shooting distance”. Information representing numerical values input to the specification input box 444 by the user is stored in corresponding items of the camera search parameter information 131 after the search execution button 430 is selected.

  The imaging condition input form 450 is an area where the user inputs information regarding the imaging range and the imaging object. Specifically, the shooting condition input form 450 includes a shooting object size input box 451, a shooting range input box 452, a shooting object position input box 453, and a shooting object position / size determination box 454.

  The shooting object size input box 451 is a form for the user to input the horizontal width and vertical width of the size of the shooting target object. The shooting range input box 452 is a form for the user to input the width and height of the shooting range. The shooting object position input box 453 is a form for the user to input the X coordinate and Y coordinate of the shooting object in the shooting range. Information representing numerical values input by the user into these input boxes is stored in corresponding items of the shooting information 132 after the search execution button 430 is selected.

  The shooting object position / size determination box 454 is a selection box for selecting the divided size and divided area of the shooting range used when determining the position and size of the shooting object. When the user selects the split size list display button 455, the shooting object position / size determination box 454 displays the divided sizes and divided areas of a plurality of shooting ranges. Then, based on the divided size and area selected from the list displayed by the user, and the horizontal width and height of the shooting range input in the shooting range input box 452, the horizontal width and vertical width of the size of the shooting target object, The position of the shooting target is calculated, and the calculated horizontal and vertical widths of the shooting target and the position of the shooting target are displayed in the shooting target size input box 451 and the shooting target position input box 453, respectively. Is displayed. Therefore, even if the user does not input the size and position of the shooting object himself / herself, the user can select the size and position of the shooting object by selecting the division size and area of the shooting range in the shooting object position / size determination box 454. Is automatically calculated and input to the shooting object size input box 451 and the shooting object position input box 453.

  The condition addition button 420 is a button for adding a shooting condition input form 410. When the user selects the condition addition button 420, a page of the shooting condition input form 410 is added. In the present embodiment, the optimal installation location of the camera under each condition can be acquired based on the conditions input to all the imaging condition input forms.

  The search execution button 430 is a button for starting a process for acquiring an optimum installation location based on the conditions input in the imaging condition input form 410. When the user selects the search execution button 430, information input to the shooting condition input form 410 is stored in the corresponding item of the camera search parameter information 131 or the shooting information 132, respectively.

  Returning to FIG. 1, the shooting object position / size determination unit 142 selects the divided size and area selected by the user from the shooting object position / size determination box 454 and the width of the shooting range input to the shooting range input box 452. Then, based on the height and the height, the horizontal width and vertical width of the size of the photographing object and the position of the photographing object are calculated. The shooting object position / size determination unit 142 sets the calculated width and height of the shooting object size and the position of the shooting object to the shooting object size input box 451 and the shooting object position input box, respectively. 453 is displayed.

  The shooting target state information acquisition unit 143 acquires state information indicating the state of the shooting target. Specifically, the shooting target state information acquisition unit 143 sets the conditions for various information included in the shooting information 132 based on the various information included in the shooting information 132 and the state information stored in the shooting target rule DB 134. Specify state rule information to be satisfied. Then, the shooting target state information acquisition unit 143 stores the state ID corresponding to the specified state rule information in the shooting information 132 as the shooting target state ID.

  For example, the shooting target state information acquisition unit 143 includes a shooting target size (horizontal width) w, a shooting target size (vertical width) h, a shooting range (horizontal width) W, and a shooting range stored in the shooting information 132. Based on the (height) H, the ratio P = w × h / W × H occupied by the photographing object with respect to the photographing range is calculated. Then, based on the calculated ratio P and the state rule information stored in the shooting target rule DB 134, the shooting target state information acquisition unit 143 sets the state rule information “ratio to the shooting range (P> 50%)”, Among the “ratio to the shooting range (10% ≦ P ≦ 50%)” and “ratio to the shooting range (P <10%)”, the state rule information that satisfies the calculated ratio P is specified. Then, the state ID corresponding to the specified state rule information is acquired as the photographing target state ID.

  Further, the photographing target state information acquisition unit 143 includes the photographing target position (X-axis direction) x and the photographing range (horizontal width) W stored in the photographing information 132, and the state rule information stored in the photographing target rule DB 134. , Of the state rule information “horizontal layout (W / 4 ≦ x ≦ 3W / 4)” and “horizontal layout (x <w / 4, 3W / 4 <x)”. (X-axis direction) Specify state rule information that satisfies the condition x. Then, the state ID corresponding to the specified state rule information is acquired as the photographing target state ID.

  Based on the camera search parameter information 131 acquired by the condition acquisition unit 141 and the shooting information 132 acquired by the condition acquisition unit 141 and the shooting target state information acquisition unit 143, the camera information acquisition unit 144 Get information. Specifically, the camera information acquisition unit 144 acquires camera information from the camera information DB 135 by a search method included in the camera search parameter information 131.

  The optimum installation distance acquisition unit 145 is based on the shooting information 132 acquired by the condition acquisition unit 141 and the camera information acquired by the camera information acquisition unit 144, and is optimal between the camera and the shooting target in the shooting direction. The optimal installation distance that represents the correct distance.

  Specifically, the optimum installation distance acquisition unit 145 determines the difference between the shootable circle diameter included in the acquired camera information and the longest dimension of the shooting target calculated from the size of the shooting target included in the shooting information 132. Is determined to be within a predetermined value. When it is determined that the difference between the shootable circle diameter and the size of the photographic subject is within a predetermined value, the optimum installation distance acquisition unit 145 acquires the photographic distance included in the acquired camera information as the optimum installation distance. .

  In addition, when the optimum installation distance acquisition unit 145 determines that the difference between the shootable circle diameter and the size of the shooting target is larger than a predetermined value, the shootable circle diameter and the focal length included in the camera information, and the shooting target The optimum installation distance is calculated based on the longest dimension of the object. The “photographable circle diameter” represents the diameter of a circle (image circle) on which light passing through the camera lens forms an image. Below, the calculation method of the optimal installation distance in this case is demonstrated.

従って、最適設置距離Ｄは、以下のように算出される。

FIG. 9 is a diagram for explaining an example of a method for calculating the optimum installation distance by the optimum installation distance acquisition unit 145. As shown in FIG. 9, the shootable circle diameter included in the camera information related to the camera C acquired by the camera information acquisition unit 144, that is, the diameter of the image circle IC is φ [mm], the focal length is f [mm], If the longest dimension of the photographing object 2 is L [m], the optimum installation distance is D [m], and the longest dimension of the image I of the imaged photographing object 2 is equal to the shootable circle diameter, The relationship holds.

Accordingly, the optimum installation distance D is calculated as follows.

  The optimal installation angle acquisition unit 146 is configured such that the camera related to the camera information acquired by the camera information acquisition unit 144 is separated from the object to be imaged by the optimal installation distance acquired by the optimal installation distance acquisition unit 145 and separated from the shooting direction by a predetermined distance. The optimum installation angle representing the optimum angle between the optical axis of the camera and the shooting direction when the camera is installed is acquired based on the acquired optimum installation distance and the predetermined distance.

Specifically, the optimal installation angle acquisition unit 146 acquires the optimal installation angle by the following method. FIG. 10 is a diagram for explaining an example of a method for obtaining the optimum installation angle by the optimum installation angle obtaining unit 146. FIG. 10 shows a state in which the inside of the living room 3 that is the shooting location is viewed from above. As shown in FIG. 10, an area that is the optimum installation distance D from the front of the object 2 and extends in the horizontal direction over the width W of the living room 3 is defined as an imageable area A. And the optimal installation angle acquisition part 146 of the camera in the case of installing a camera in optimal installation position P2, P3 among the optimal installation positions P1-P3 showing the center part in the imaging | photography possible area | region A, a left end part, and a right end part. An optimum installation angle θ representing the optimum angle between the optical axis O and the photographing direction is calculated. Assuming that the distance between the optimum installation position P1 and the optimum installation positions P2 and P3 is half the lateral width W of the living room 3, that is, Z = W / 2, the optimum installation angle θ is calculated by the following equation.

  The search result output unit 147 outputs a search result screen representing the optimal installation distance acquired by the optimal installation distance acquisition unit 145 and the optimal installation angle acquired by the optimal installation angle acquisition unit 146, and is displayed on the display unit 120. Let

  FIG. 11 shows an example of the search result screen 5 output by the search result output unit 147. The search result screen 5 includes a camera information display area 510, an optimal arrangement display area 520, a return button 530, and a close button 540. When a plurality of camera information is acquired by the camera information acquisition unit 144, a plurality of search result screens 5 are displayed for each acquired camera information.

  The camera information display area 510 is an area for displaying the camera name, manufacturer, model name, and the like included in the camera information acquired by the camera information acquisition unit 144.

  The optimum arrangement display area 520 includes the optimum installation distance acquired by the optimum installation distance acquisition unit 145 and the optimum installation angle acquired by the optimum installation angle acquisition unit 146 for the camera information displayed in the camera information display area 510. This is the area to be displayed. Specifically, the optimum arrangement display area 520 is provided with an optimum installation distance display area 521 that is an area for displaying an optimum installation distance, an optimum installation angle display area 522 that is an area for displaying an optimum installation angle, and a camera. And an installation height display area 523 representing the height. In the present embodiment, the height at which the camera is installed is assumed to be equal to the height at which the shooting target is set, and the shooting target position (Y-axis direction) included in the shooting information 132 is displayed.

  The return button 530 is a button for switching from the search result screen 5 to the user input screen 4. When the user selects the return button 530, the search result screen 5 is switched to the user input screen 4, and various data necessary for acquiring the optimum installation location of the camera can be input again.

  The close button 540 is a button for closing the search result screen 5 and ending the process of acquiring the optimal installation location of the camera.

  Next, the operation of the photographing support apparatus 1 according to the present embodiment will be described with reference to the drawings. FIG. 12 is a flowchart illustrating an example of the flow of the optimum arrangement acquisition process of the photographing support apparatus 1 according to the first embodiment of the present invention. Note that this optimal arrangement acquisition processing is stored in advance as a program in the storage unit 130, and actual processing is performed by the CPU of the control unit 140 reading and executing the program.

  For example, the imaging support apparatus 1 starts the optimal arrangement calculation process illustrated in FIG. 12 in response to an operation of starting execution of the process on the input unit 110 by the user.

  First, the condition acquisition unit 141 displays a user input screen on the display unit 120 (step S101).

  Subsequently, the condition acquisition unit 141 determines whether or not the input unit 110 has accepted an operation input (step S102). Specifically, the condition acquisition unit 141 determines whether or not information indicating any of the selection of the division size list display button 455, the selection of the condition addition button 420, and the selection of the search execution button 430 has been acquired as an operation input. Determine. When it is determined that the input unit 110 has not received an operation input (step S102; No), the condition acquisition unit 141 is in a waiting state until it is determined that an operation input has been received.

  Subsequently, the condition acquisition unit 141 determines whether or not the received operation input represents selection of the divided size list display button 455 (step S103).

  When it is determined that the selection of the divided size list display button 455 is represented (step S103; Yes), the shooting target object position / size determination unit 142 displays the divided sizes of the plurality of shooting ranges in the shooting target object position / size determination box 454. Then, the divided area is displayed, and among the displayed divided size and area, the divided size and area selected by the user are acquired (step S201).

  Subsequently, the shooting object position / size determination unit 142 determines the shooting object based on the division size and area acquired in step S201 and the horizontal width and height of the shooting range input in the shooting range input box 452. The position and size are calculated (step S202).

  Subsequently, the shooting object position / size determination unit 142 displays the size of the shooting object calculated in step S202 in the shooting object size input box 451 of the user input screen 4, and the calculated position of the shooting object is displayed by the user. The image is displayed in the photographing object position input box 453 of the input screen 4 (step S203). Then, the process proceeds to step S106 in FIG.

  When it is determined that the selection of the divided size list display button 455 is not represented (step S103; No), the condition acquisition unit 141 determines whether the received operation input represents the selection of the condition addition button 420 (step S104).

  When it is determined that the accepted operation input represents selection of the condition addition button 420 (step S104; Yes), the condition acquisition unit 141 additionally displays the shooting condition input form 410 on the user input screen 4 (step S105). Then, the condition acquisition unit 141 returns the process to step S102.

  When it is determined that the received operation input does not represent the selection of the condition addition button 420 (step S104; No), the condition acquisition unit 141 determines that the received operation input represents the selection of the search execution button 430, and shoots. Information input to the condition input form 410 is acquired and stored in the corresponding item of the camera search parameter information 131 or the shooting information 132, respectively (step S106).

  Next, the shooting target state information acquisition unit 143 acquires a shooting target state ID based on various types of information included in the shooting information 132 and the state information stored in the shooting target rule DB 134 (step S107).

  For example, when various types of information are stored in the shooting information 132 as illustrated in FIG. 3, the shooting target state information acquisition unit 143 refers to the shooting target rule DB 134, and the ratio of the shooting target to the shooting range As P, P = w × h / W × H = 3.6 × 1.2 / 7.0 × 3.0≈0.21 = 21% is calculated. Then, the shooting target state information acquisition unit 143 determines that the calculated ratio P satisfies the state rule information “ratio to the shooting range (10% ≦ P ≦ 50%)”, and the state ID corresponding to the state rule information “St12” is acquired as the imaging target state ID.

  Further, the imaging target state level acquisition unit 143 stores the imaging range (horizontal width) W “7.0” and the imaging object position (X-axis direction) x “3. 5 ”satisfies the state rule information“ lateral layout (W / 4 ≦ x ≦ 3W / 4) ”, and the state ID“ st21 ”corresponding to the state rule information is acquired as the photographing target state ID. .

  Then, the shooting target state information acquisition unit 143 stores the shooting target state ID acquired as described above in the shooting information 132 as shown in FIG.

  Subsequently, the camera information acquisition unit 144 executes a camera information acquisition process (step S108).

  FIG. 14 is a flowchart showing a flow of camera information acquisition processing executed by the camera information acquisition unit 144.

  The camera information acquisition unit 144 determines whether or not the search method stored in the camera search parameter information 131 is a search method based on camera specifications (step S301).

  If the camera information acquisition unit 144 determines that the search method is a search method based on camera specifications (step S301; Yes), the camera including the function ID corresponding to the shooting target state ID stored in the shooting information 132 Camera information including information closest to each value of the camera specifications (focal length, angle of view, aperture, shortest shooting distance) stored in the camera search parameter information 131 is acquired from the camera information DB 134 (step S302).

  Specifically, the camera information acquisition unit 144 acquires a function ID corresponding to the shooting target state ID stored in the shooting information 132 from the shooting target rule DB 134. For example, the camera information acquisition unit 144 refers to the shooting target rule DB 134 and functions ID “op11” corresponding to the shooting target state ID “st12” illustrated in FIG. 3 and function IDs corresponding to the shooting target state ID “st21”. Get “op31”. Further, when “40” is stored in the focal length of the camera search parameter information 131, the camera information acquisition unit 144 has the focal length closest to “40” from the camera information DB 135 shown in FIG. As camera information including “op11” or “op31” in the function ID, camera information whose camera name is “AAA” is acquired.

  When it is determined that the search method is not a search method based on the specification of the camera (step S301; No), the camera information acquisition unit 144 is a search method stored in the camera search parameter information 131 that searches from the camera name. It is discriminate | determined (step S303).

  If it is determined that the search method is a method for searching from the camera name (step S303; Yes), the camera information acquisition unit 144 obtains camera information including a camera name that matches the camera name stored in the camera search parameter information 131. Obtained from the camera information DB 135 (step S304).

  If it is determined that the search method is not the camera name (step S303; No), the camera information acquisition unit 144 determines that the search method stored in the camera search parameter information 131 is a search method without specifying a camera. The camera information including the function ID corresponding to the shooting target state ID stored in the shooting information 132, and the longest dimension of the shooting target acquired from the size of the shooting target stored in the shooting information 132 Camera information including the closest photographable circle diameter is acquired from the camera information DB 135 (step S305).

For example, the camera information acquisition unit 144 calculates the longest dimension L of the object to be photographed as L = (w ² + h ² ) ^1/2 . Further, the camera information acquisition unit 144 acquires a function ID corresponding to the shooting target state ID stored in the shooting information 132 in the same manner as in step S302 described above. Then, the camera information acquisition unit 144 acquires camera information including the acquired function ID from the camera information DB 135 whose shootable circle diameter is closest to L.

  And the camera information acquisition part 144 complete | finishes a camera information acquisition process, and advances a process to step S109 of FIG.

  Next, the optimum installation distance acquisition unit 145 determines the difference between the shootable circle diameter included in the acquired camera information and the longest dimension of the photographic object acquired from the size of the photographic object stored in the photographic information 132. It is determined whether or not it is within a predetermined value (step S109).

  When it is determined that the difference between the photographable circle diameter and the longest dimension of the object to be photographed is within a predetermined value (step S109; Yes), the optimum installation distance acquisition unit 145 determines the shortest shooting distance included in the acquired camera information. Obtained as the optimum installation distance (step S110).

  When it is determined that the difference between the photographable circle diameter and the longest dimension of the object to be photographed is not within the predetermined value, that is, greater than the predetermined value (step S109; Yes), the optimum installation distance acquisition unit 145 adds the acquired camera information. The optimum installation distance is calculated based on the included photographable circle diameter and focal length, and the photographing object size stored in the photographing information 132 (step S111).

For example, the optimum installation distance acquisition unit 145 sets the shooting object size (width) w “3.6” and the shooting object size (length) h “1.2” stored in the shooting information 132 shown in FIG. From the above, the longest dimension L = (w ² + h ² ) ^1/2 = (1.2 ² +3.6 ² ) ^1/2 ≈3.79 is calculated. When the camera information including the camera name “AAA” illustrated in FIG. 7 is acquired in step S108, the optimum installation distance acquisition unit 145 includes the shootable circle diameter “37.4” and the focal length “ 40 ”, the calculated longest dimension L of the object to be photographed, and Equation 2, the optimum installation distance D = L · f / φ = 3.79 × 0.04 / 0.0374≈4.1 [ m].

  Next, the optimal installation angle acquisition unit 146 calculates the optimal installation angle based on the optimal installation distance acquired in step S110 or the optimal installation distance calculated in step S111 and the shooting range stored in the shooting information 132. (Step S112).

  For example, the optimum installation distance obtaining unit 145 obtains the optimum installation distance D = 4.1 [m] obtained or calculated in step S110 or step S111, and the photographing range (horizontal width) stored in the photographing information 132 shown in FIG. The optimum installation angle θ = arctan (W / 2D) = arctan (7.0 / 2 × 4.1) ≈76 [deg] is calculated using W “7.0” and Equation 3.

  Next, the search result output unit 147 outputs the search result screen 5 representing the optimum installation distance acquired in step S110 or the optimum installation distance calculated in step S111 and the optimum installation angle calculated in step S112. Is displayed on the display unit 120 (step S113). When a plurality of pieces of camera information is acquired by the camera information acquisition unit 144, the search result output unit 147 outputs and displays the search result screen 5 for each acquired camera information.

  Subsequently, the search result output unit 147 determines whether or not an operation input has been received via the input unit 110 (step S114). Specifically, the search result output unit 147 determines whether information representing either selection of the return button 530 or selection of the close button 540 has been acquired as an operation input. If it is determined that no operation input has been received (step S114; No), the process waits until it is determined that an operation input has been received.

  Subsequently, when it is determined that an operation input has been received (step S114; Yes), the search result output unit 147 determines whether or not the received operation input represents selection of the return button 530 (step S115).

  When it is determined that the selection of the return button is represented (step S115; Yes), the search result output unit 147 returns the process to step S101. If it is determined that the selection of the return button 530 is not represented, the search result output unit 147 determines that the received operation input represents selection of the close button 540, and ends the optimum arrangement acquisition process.

  As described above, the shooting support apparatus 1 according to the present embodiment acquires camera information from the camera information DB 135 based on the shooting information 132. Then, based on the acquired camera information and the shooting information 132, the optimal installation distance and the optimal installation angle are acquired. Therefore, it is possible to easily specify the optimal arrangement of the camera suitable for the arrangement state of the photographing object.

  In addition, since the photographing support apparatus 1 according to the present embodiment does not provide the camera itself with a function dedicated to the implementation of the present embodiment, it is possible to easily specify the optimal arrangement of the existing cameras.

  In addition, the shooting support apparatus 1 according to the present embodiment does not need to acquire various data necessary for the user to actually go to the shooting location and specify the optimum arrangement, and easily specify the optimum arrangement of the camera. be able to.

  In addition, this invention is not limited to said embodiment, A various deformation | transformation and application are possible.

  For example, the shooting target rule DB 134 associates state information representing the arrangement state of the shooting object with function information, but the state information associated with the function information is limited to the arrangement state of the shooting object with respect to the shooting range. I can't. The state information stored in the photographing target rule DB 134 represents some state of the photographing target, and function information representing the function of the camera suitable for photographing the photographing target in that state is associated with the state information. It only has to be.

  In addition, the photographing support apparatus 1 according to the embodiment of the present invention can be realized using a normal computer system without using a dedicated apparatus. For example, the above-described processing is executed by installing the program from a medium (flexible disk, CD-ROM, DVD-ROM, etc.) storing the program for executing the above-described processing in a computer equipped with a network card or the like. A photographing support apparatus can be configured.

  In addition, a method for supplying the program to the computer is arbitrary. For example, you may supply via a communication line, a communication network, a communication system, etc. For example, the above-described processing can be executed by posting the program on a bulletin board (BBS) of a communication network and distributing it on a carrier wave via the network.

  A part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.

(Appendix 1)
A shooting support device that acquires an optimum installation distance that represents an optimum distance between a camera and a shooting object in a shooting direction,
Photographing object state information obtaining means for obtaining state information representing the state of the photographing object;
Shooting information acquisition means for acquiring shooting information including the size of the shooting object;
A shooting target rule storage unit that stores state information indicating the state of the shooting target and function information indicating a function of the camera suitable for shooting the shooting target in the state, in association with each other;
Camera information storage means for storing camera information including specification information indicating the specification of the camera and function information indicating a function of the camera for each camera;
Camera information for acquiring function information corresponding to the state information acquired by the shooting target state information acquisition unit from the shooting target rule storage unit and acquiring camera information including the acquired function information from the camera information storage unit Acquisition means;
The optimum installation distance is acquired based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit and the specification information included in the camera information acquired by the camera information acquisition unit. An optimum installation distance acquisition means;
An imaging support apparatus comprising:

(Appendix 2)
The specification information includes a photographable circle diameter representing a diameter of a circle on which light passing through a camera lens forms an image,
The camera information acquisition unit is calculated from the camera information storage unit based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit among the camera information including the acquired function information. Camera information including a shootable circle diameter closest to the longest dimension of the object to be photographed,
The imaging support apparatus according to Supplementary Note 1, wherein

(Appendix 3)
The specification information includes a photographable circle diameter representing a diameter of a circle on which light passing through a camera lens forms an image, and a focal length of the camera.
The optimal installation distance acquisition unit is acquired by the camera information acquisition unit and the longest dimension of the shooting target calculated from the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit. The optimum installation distance is acquired based on the shootable circle diameter and focal length included in the camera information.
The imaging support apparatus according to appendix 1 or 2, characterized in that:

(Appendix 4)
Optimal representing the optimum angle between the optical axis of the camera and the shooting direction when the camera is set apart from the shooting object by the optimal setting distance and at a predetermined distance from the shooting direction. An optimum installation angle obtaining means for obtaining an installation angle based on the optimum installation distance and the predetermined distance;
The imaging support apparatus according to any one of Supplementary notes 1 to 3, wherein

(Appendix 5)
The shooting information further includes the size of the shooting range viewed from the shooting direction,
The shooting target state acquisition unit occupies the shooting range based on the size of the shooting target and the size of the shooting range included in the shooting information acquired by the shooting information acquisition unit. Get status information that represents the percentage,
The imaging support apparatus according to any one of Supplementary notes 1 to 4, wherein

(Appendix 6)
The shooting information further includes a position of the shooting target with respect to a shooting range viewed from the shooting direction,
The shooting target state acquisition unit acquires state information indicating the position of the shooting target included in the shooting information acquired by the shooting information acquisition unit.
The imaging support apparatus according to any one of supplementary notes 1 to 5, wherein

(Appendix 7)
A shooting support method for obtaining an optimal installation distance representing an optimal distance between a camera and a shooting object in a shooting direction,
A shooting target state information acquisition step of acquiring state information representing a state of the shooting target;
An imaging information acquisition step for acquiring imaging information including the size of the imaging object;
From the photographing target rule storage means for storing the state information representing the state of the photographing object and the function information representing the function of the camera suitable for photographing the photographing object in the state in association with each other, the photographing Function information corresponding to the state information acquired in the target state information acquisition step is acquired, and for each camera, camera information including specification information indicating the specification of the camera and function information indicating a function included in the camera. Camera information acquisition step for acquiring camera information including the acquired function information from the camera information storage means for storing;
The optimal installation distance is acquired based on the size of the shooting target included in the shooting information acquired in the shooting information acquisition step and the specification information included in the camera information acquired in the camera information acquisition step. An optimal installation distance acquisition step;
A photographing support method comprising:

(Appendix 8)
A computer that obtains the optimum installation distance that represents the optimum distance between the camera and the subject in the shooting direction.
Shooting target state information acquisition means for acquiring state information indicating the state of the shooting target;
Shooting information acquisition means for acquiring shooting information including the size of the shooting object;
From the photographing target rule storage means for storing the state information representing the state of the photographing object and the function information representing the function of the camera suitable for photographing the photographing object in the state in association with each other, the photographing Function information corresponding to the state information acquired by the target state information acquisition unit is acquired, and for each camera, camera information including specification information indicating the specification of the camera and function information indicating a function included in the camera. Camera information acquisition means for acquiring camera information including the acquired function information from the camera information storage means for storing;
The optimum installation distance is acquired based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit and the specification information included in the camera information acquired by the camera information acquisition unit. Optimal installation distance acquisition means,
A program characterized by functioning as

1 photographing support device 110 input unit 120 display unit 130 storage unit 131 camera search parameter information 132 photographing information 133 function information DB
134 Shooting target rule DB
135 Camera information DB
140 Control unit 141 Condition acquisition unit 142 Shooting object position / size determination unit 143 Shooting target state information acquisition unit 144 Camera information acquisition unit 145 Optimal installation distance acquisition unit 146 Optimal installation angle acquisition unit 147 Search result output unit 2 Shooting target object 3 Office 4 User input screen 410 Shooting condition input form 420 Add condition button 430 Search execution button 440 Camera search condition input forms 441a to 441c Search method selection button 442 Camera name selection box 443 Camera name list display button 444 Specification input box 450 Shooting condition input Form 451 Shooting object size input box 452 Shooting range input box 453 Shooting object position input box 454 Shooting object position / size determination box 455 Division size list display button 5 Search result display screen 510 Camera information Back display area 520 optimal arrangement displaying region 521 best installation distance display area 522 best installation angle display area 523 installation height display area 530 button 540 close button

Claims (8)

A shooting support device that acquires an optimum installation distance that represents an optimum distance between a camera and a shooting object in a shooting direction,
Photographing object state information obtaining means for obtaining state information representing the state of the photographing object;
Shooting information acquisition means for acquiring shooting information including the size of the shooting object;
A shooting target rule storage unit that stores state information indicating the state of the shooting target and function information indicating a function of the camera suitable for shooting the shooting target in the state, in association with each other;
Camera information storage means for storing camera information including specification information indicating the specification of the camera and function information indicating a function of the camera for each camera;
Camera information for acquiring function information corresponding to the state information acquired by the shooting target state information acquisition unit from the shooting target rule storage unit and acquiring camera information including the acquired function information from the camera information storage unit Acquisition means;
The optimum installation distance is acquired based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit and the specification information included in the camera information acquired by the camera information acquisition unit. An optimum installation distance acquisition means;
An imaging support apparatus comprising: The specification information includes a photographable circle diameter representing a diameter of a circle on which light passing through a camera lens forms an image,
The camera information acquisition unit is calculated from the camera information storage unit based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit among the camera information including the acquired function information. Camera information including a shootable circle diameter closest to the longest dimension of the object to be photographed,
The imaging support apparatus according to claim 1, wherein: The specification information includes a photographable circle diameter representing a diameter of a circle on which light passing through a camera lens forms an image, and a focal length of the camera.
The optimal installation distance acquisition unit is acquired by the camera information acquisition unit and the longest dimension of the shooting target calculated from the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit. The optimum installation distance is acquired based on the shootable circle diameter and focal length included in the camera information.
The imaging support apparatus according to claim 1 or 2, wherein Optimal representing the optimum angle between the optical axis of the camera and the shooting direction when the camera is set apart from the shooting object by the optimal setting distance and at a predetermined distance from the shooting direction. An optimum installation angle obtaining means for obtaining an installation angle based on the optimum installation distance and the predetermined distance;
The imaging support apparatus according to any one of claims 1 to 3, wherein The shooting information further includes the size of the shooting range viewed from the shooting direction,
The shooting target state acquisition unit occupies the shooting range based on the size of the shooting target and the size of the shooting range included in the shooting information acquired by the shooting information acquisition unit. Get status information that represents the percentage,
The imaging support apparatus according to any one of claims 1 to 4, wherein the imaging support apparatus is characterized in that: The shooting information further includes a position of the shooting target with respect to a shooting range viewed from the shooting direction,
The shooting target state acquisition unit acquires state information indicating the position of the shooting target included in the shooting information acquired by the shooting information acquisition unit.
The photographing support apparatus according to claim 1, wherein the photographing support apparatus is characterized. A shooting support method for obtaining an optimal installation distance representing an optimal distance between a camera and a shooting object in a shooting direction,
A shooting target state information acquisition step of acquiring state information representing a state of the shooting target;
An imaging information acquisition step for acquiring imaging information including the size of the imaging object;
From the photographing target rule storage means for storing the state information representing the state of the photographing object and the function information representing the function of the camera suitable for photographing the photographing object in the state in association with each other, the photographing Function information corresponding to the state information acquired in the target state information acquisition step is acquired, and for each camera, camera information including specification information indicating the specification of the camera and function information indicating a function included in the camera. Camera information acquisition step for acquiring camera information including the acquired function information from the camera information storage means for storing;
The optimal installation distance is acquired based on the size of the shooting target included in the shooting information acquired in the shooting information acquisition step and the specification information included in the camera information acquired in the camera information acquisition step. An optimal installation distance acquisition step;
A photographing support method comprising: A computer that obtains the optimum installation distance that represents the optimum distance between the camera and the subject in the shooting direction.
Shooting target state information acquisition means for acquiring state information indicating the state of the shooting target;
Shooting information acquisition means for acquiring shooting information including the size of the shooting object;
From the photographing target rule storage means for storing the state information representing the state of the photographing object and the function information representing the function of the camera suitable for photographing the photographing object in the state in association with each other, the photographing Function information corresponding to the state information acquired by the target state information acquisition unit is acquired, and for each camera, camera information including specification information indicating the specification of the camera and function information indicating a function included in the camera. Camera information acquisition means for acquiring camera information including the acquired function information from the camera information storage means for storing;
The optimum installation distance is acquired based on the size of the shooting target included in the shooting information acquired by the shooting information acquisition unit and the specification information included in the camera information acquired by the camera information acquisition unit. Optimal installation distance acquisition means,
A program characterized by functioning as

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