JP2019201338A - Content distribution server, content distribution method, content distribution program, and content distribution system - Google Patents

Abstract

To switch content viewed by a user on the basis of details of recipe processes.SOLUTION: A content distribution server comprises: an image acquisition unit which acquires each cooking image by capturing images of a cooking procedure according to recipe information by multiple image-capture devices having different coverages; a read unit which reads recipe information; an extraction unit which extracts prescribed terms included in each recipe process of the recipe information; a selection unit which selects, on the basis of the extracted prescribed terms, at least one cooking image from the multiple cooking images acquired by the image acquisition unit; and a distribution unit which distributes the cooking image selected by the selection unit.SELECTED DRAWING: Figure 1

Description

  The present disclosure relates to a content distribution server, a content distribution system, a content distribution method, and a content distribution program.

  In recent years, an increasing number of people cook while watching cooking content on a mobile terminal such as a smartphone or a tablet. For example, Patent Document 1 discloses an information processing system capable of cooking while a user operates and displays a still image corresponding to each recipe process on a tablet terminal. In the system, for example, when the user has displayed a still image on the tablet terminal for a predetermined time or more, the still image is switched to a moving image, and the user can check the operation of the cook.

JP-A-2015-121758

  When watching cooking contents, there is a need to know the state of cooking work in more detail depending on the contents of the recipe process while enjoying the facial expressions and actions of the cook who performs the cooking work. In this regard, in the system disclosed in Patent Document 1, switching between a still image and a moving image is performed based on the user's operation, and is not based on the contents of the recipe process.

  Therefore, in view of such circumstances, the present disclosure aims to provide a content distribution server, a content distribution system, a content distribution method, and a content distribution program for switching content to be viewed by a user based on the contents of a recipe process. And

  In order to achieve the above-described object, the content distribution server according to the present disclosure includes a video acquisition unit that acquires each cooking video captured by a plurality of imaging devices having different imaging ranges, and recipe information that includes cooking operations according to recipe information. A reading unit to be read, an extraction unit for extracting a predetermined term included in each recipe process of the recipe information, and at least one cooking from a plurality of cooking videos acquired by the video acquisition unit based on the extracted predetermined term A selection unit that selects an image; and a distribution unit that distributes the cooking image selected by the selection unit.

  In addition, in order to achieve the above object, a content distribution system according to the present disclosure includes a video acquisition unit that acquires cooking images obtained by shooting a plurality of shooting apparatuses having different shooting ranges for cooking work according to recipe information, and a recipe A reading unit that reads information; an extraction unit that extracts a predetermined term included in each recipe step of the recipe information; and at least one of a plurality of cooking videos acquired by the video acquisition unit based on the extracted predetermined term A selection unit that selects one cooking video, and a distribution unit that distributes the cooking video selected by the selection unit.

  In order to achieve the above object, the content distribution method according to the present disclosure includes a step of acquiring each cooking video obtained by photographing a plurality of photographing devices having different photographing ranges for cooking work according to recipe information, and recipe information. A step of reading, a step of extracting a predetermined term included in each recipe process of the recipe information, a step of selecting at least one cooking image from a plurality of obtained cooking images based on the extracted predetermined term; Delivering the selected cooking video.

  In order to achieve the above object, a content distribution program according to the present disclosure causes a computer to execute the above-described content distribution method.

  According to this indication, based on the contents of a recipe process, the contents which a user views can be changed.

1 is a configuration diagram of a content distribution system 1. FIG. It is a figure which shows an example of recipe information. It is a figure which shows an example of a cooking image | video. It is a figure explaining selection of a cooking picture. 5 is a flowchart showing a flow of processing of the content distribution server 100. 2 is a block diagram showing a hardware configuration of a content distribution server 100. FIG.

  Hereinafter, embodiments of the present disclosure will be described with reference to the drawings. In all the drawings for explaining the embodiments, common constituent elements are denoted by the same reference numerals, and repeated explanation is omitted. The following embodiments do not unduly limit the contents of the present disclosure described in the claims. In addition, all the components shown in the embodiments are not necessarily essential components of the present disclosure.

  The content distribution system according to the present embodiment is a system that switches and distributes cooking work images captured by a plurality of imaging devices (cameras) having different imaging ranges in accordance with the contents of the recipe process. Depending on the content of the recipe process, the viewer of the content can also know the state of the cooking operation in detail while enjoying the facial expression and operation of the cooking operator.

  FIG. 1 is a configuration diagram of the content distribution system 1. With reference to FIG. 1, the outline | summary and structure of the content delivery system 1 are demonstrated.

  The content distribution system 1 includes a content distribution server 100 and a viewer terminal 200, and is communicably connected via a network NW. The network NW includes a WAN (World Area Network), a LAN (Local Area Network), and the like. The number of viewer terminals 200 is not limited to the number shown in FIG. 1, and a plurality of viewer terminals 200 may be connected to the content distribution server 100 via the network NW.

  In the kitchen studio that records the demonstration of the cooking work, the talent T, who is the cook, performs cooking according to the recipe process of the recipe information. The content distribution server 100 distributes a video (cooking video) of the cooking operation of the talent T, which is shot by a camera 141 or 142 (details will be described later) having a different shooting range, to the viewer terminal 200.

  The viewer terminal 200 is a terminal used by a viewer who views content, and is, for example, a portable terminal such as a smartphone or a tablet, or an information processing terminal such as a PC (Personal Computer). The viewer terminal 200 can be realized by installing a content distribution application on a general-purpose terminal.

(Configuration of content distribution server 100)
The content distribution server 100 includes a communication unit 110, a storage unit 120, and a control unit 130.

  The communication unit 110 corresponds to a distribution unit, and is a communication interface for communicating with the viewer terminal 200 via the network NW. The communication unit 110 distributes the cooking video selected by the selection unit 134 described later to the viewer terminal 200.

  The storage unit 120 stores recipe information. The recipe information includes at least a recipe process indicating a procedure of cooking work. In addition, the recipe process includes terms indicating cooking operations such as “sauté”, “boil”, and “cutting”, and terms indicating cooking utensils used in cooking operations such as “knives”, “frying pans”, and “pans”. Including.

  Note that the recipe information may include ingredients and cooking utensils necessary for cooking, and a cooking image obtained by cooking and cooking. Moreover, the recipe information memorize | stored in the memory | storage part 120 may be the recipe posted from the viewer terminal 200 via the network NW, and is the recipe which the provider who manages the content delivery system 1 registered. Also good.

  FIG. 2 is a diagram illustrating an example of recipe information. An example of recipe information will be described with reference to FIG.

  The recipe information 20 includes a cooking image 21, material information 22, and a recipe process 23. The dish image 21 is an image of the dish indicated by the recipe information 20, and is an image of a snowball cookie in the example of FIG. The material information 22 is information related to ingredients necessary for cooking indicated by the recipe information 20.

  The recipe process 23 shows the process 1-8 which is the procedure of the cooking which the recipe information 20 shows, ie, a snowball cookie. The recipe process includes terms indicating cooking operations such as “mixing” and “adding” and terms indicating cooking utensils used in cooking operations such as “whathering device” and “top plate”.

  Returning to FIG. 1, the controller 130 will be described. The control unit 130 includes a video acquisition unit 131, a reading unit 132, an extraction unit 133, and a selection unit 134.

  The video acquisition unit 131 acquires cooking videos of cooking work according to the recipe information, which are shot by the cameras 141 and 142 having different shooting ranges. Specifically, an image obtained by photographing a series of cooking work demonstrations according to recipe information by the talent T who is a cook is acquired from the image generation unit 143 described later. For example, the talent T performs each recipe process until cooking is completed.

  Cameras 141 and 142 are installed in the kitchen studio. The camera 141 uses the hand of the talent T as a shooting range. The viewer can see in detail how the work of cutting vegetables with a knife or mixing ingredients in a bowl with a whisk is performed by the image of the camera 141.

  The camera 142 uses the front posture of the talent T as a shooting range. The front posture is a posture in which the expression and movement of the talent T and the state of cooking work can be understood. For example, the camera 142 sets the upper portion from the work table of the talent T as the shooting range. The viewer can enjoy the expression and motion of the talent T from the video of the camera 142.

  In addition, the camera installed in the kitchen studio is not limited to these, for example, a camera having an imaging range in an oven or a microwave oven, a camera having an imaging range in a stove, or a plurality of people may be installed. When cooking, a camera having a shooting range in each front posture and hand may be installed. Further, the sound of the talent T and the cooking sound in the kitchen studio are collected by a microphone (not shown).

  FIG. 3 is a diagram illustrating an example of a cooking image. FIG. 3A is a cooking image of the camera 142 in which the front posture of the talent T is an imaging range. The range above the cooking table is shown, and you can see the expression of the talent T and the state of work. FIG. 3B is a cooking image of the camera 141 in which the hand of the talent T who performs the cooking operation of FIG. The cooking work performed by the talent T, that is, the work of mixing the contents of the bowl with a whisk is taken up.

  Returning to FIG. 1, the video generation unit 143 time-divides the video captured by the cameras 141 and 142 into segments for each recipe process of the recipe information. And the cooking image | video which added the metadata which shows the correspondence of a segment and a recipe process is produced | generated. The time division and the addition of metadata for each recipe process unit of the video are performed by, for example, manual operation by the video editor or identification of cooking operation by image recognition or voice recognition. The identification of the cooking operation by the image / speech recognition technique is a well-known technique, and thus detailed description thereof is omitted.

  The reading unit 132 reads recipe information from the storage unit 120. Specifically, recipe information corresponding to the cooking work performed by the talent T is read.

  The extraction unit 133 extracts predetermined terms included in each recipe process from the recipe information read by the reading unit 132. Here, the predetermined term is a term indicating a cooking operation, a term indicating a cooking utensil used in the cooking operation, or a combination of these terms. The term indicating cooking work is a verb representing work performed by the cook such as “sauté”, “boil”, “steam”, “cut”, “mix”, “wash”, and the like. In addition, the term indicating the cooking utensil used in the cooking operation is a cooking utensil name such as “knives”, “frying pan”, “pan”, “hera”, “frother”, etc., “microwave oven”, A cooking machine name such as “oven” may be included.

  The term “cooking work” or the term “cooking utensil” refers to, for example, cooking utensils such as “frying pan”-“sauté”, “pan”-“simmer”, “knives”-“cut”, and cooking It is a combination with cooking work that is highly likely to use utensils.

  The terms extracted by the extraction unit 133 and the combinations thereof are terms related to work contents that the viewer wants to know in more detail the state of the cooking work. In addition to the above-described terms indicating cooking operations and terms indicating cooking utensils, terms indicating the degree of cooking, such as the softness of materials, the degree of frying, and the degree of baking, may be used. For example, it may be an abstract expression such as “Toromi” or “character of“ ””. In the present embodiment, the term to be extracted is registered in advance by a business operator that operates the content distribution system 1, but it may be newly registered or corrected by an instruction from the viewer via the viewer terminal 200. Good.

  The selection unit 134 selects one cooking video from the cooking videos of the cameras 141 and 142 acquired by the video acquisition unit 131 based on the predetermined terms extracted by the extraction unit 133. The selection unit 134 refers to which recipe process the cooking image corresponds to by the metadata added to the cooking image, and for the recipe process including the term to be extracted, the camera whose shooting range is the cook's hand 141 cooking images are selected.

  Specifically, for example, for a recipe process including “mixing” registered as a term to be extracted, the selection unit 134 selects a cooking image of the camera 141 whose shooting range is the cook's hand. Moreover, the selection part 134 selects the cooking image of the camera 142 which makes a chef's front posture the imaging | photography range about the recipe process which does not contain the term to extract. In addition, the selection unit 134 may select a cooking image of the camera 141 that captures the cook's hand for a recipe process including a combination of terms to be extracted.

  FIG. 4 is a diagram illustrating selection of a cooking video. With reference to FIG. 4, the selection of the cooking image performed by the selection unit 134 will be specifically described. Recipe steps 1 to 8 shown in FIG. 4 correspond to the recipe steps 1 to 8 described in FIG.

  Recipe steps 1 to 8 include the terms “adding” (recipe step 2), “mixing” (recipe steps 3 and 5), “rounding” and “arranging” (recipe step 7), “putting”. And “baking” (recipe step 8). Moreover, as a term which shows a cooking appliance, "bowl" (recipe process 2), "whather" (recipe process 3 and 5), "top plate" (recipe process 7), and "oven" (recipe process 8) are included. It is.

  Among these, as a term extracted by the extraction unit 133, for example, when a combination of a term indicating a cooking operation and a cooking utensil such as “whathering device” — “mixing”, “top plate” — “lining up” is registered in advance, For recipe steps 3, 5, and 7 including this combination, the selection unit 134 selects a cooking image of the camera 141 that captures the hand of the talent T. For the other recipe steps 1, 4, 6, and 8, a cooking image of the camera 142 that captures the front posture of the talent T is selected.

  If there are three or more cameras with different shooting ranges installed in the kitchen studio, the terms to be extracted for each camera are set in advance, and for recipe processes that include the terms, the terms that the terms extract The cooking image of the camera set as may be selected. For example, for a camera whose shooting range is in the oven or the front, a combination of terms such as “oven”-“baking” is set in advance. Thereby, in the case of the recipe process using an oven, the viewer can see the cooking image of the oven and can know the cooking state in more detail.

(Flow of processing executed by content distribution server 100)
FIG. 5 is a flowchart showing a processing flow of the content distribution server 100. With reference to FIG. 5, the process which the content delivery server 100 performs is demonstrated.

  In step S <b> 501, the video acquisition unit 131 acquires the cooking video captured by the cameras 141 and 142 with the metadata added by the video generation unit 143.

  In step S <b> 502, the reading unit 132 reads, from the storage unit 120, recipe information corresponding to the cooking operation photographed in the cooking video acquired by the video acquisition unit 131.

  In step S <b> 503, the extraction unit 133 extracts a predetermined term included in each recipe process of the recipe information read by the reading unit 132. The predetermined terms are registered in advance by the provider of the content distribution system 1.

  In step S <b> 504, the selection unit 134 selects a cooking image of the camera 141 in which the talent T has a shooting range for a recipe process including a predetermined term. For a recipe process that does not include a predetermined term, the cooking image of the camera 142 in which the front posture of the talent T is in the shooting range is selected.

  In step S505, the communication unit 110 distributes the cooking video selected by the selection unit 134 to the viewer terminal 200. Note that the selection and distribution of the cooking video are repeated until the cooking video ends. Content is distributed as described above.

(Hardware configuration diagram)
FIG. 6 is a block diagram illustrating a hardware configuration of the content distribution server 100. The content distribution server 100 is mounted on the computer 601. The computer 601 includes a CPU 602, a main storage device 603, an auxiliary storage device 604, and an interface 605.

  The operation of each component of the content distribution server 100 is stored in the auxiliary storage device 604 in the form of a program. The CPU 602 reads the program from the auxiliary storage device 604, develops it in the main storage device 603, and executes the above processing according to the program. Further, the CPU 602 secures a storage area in the main storage device 603 according to the program. Specifically, the program is a content distribution program for distributing a cooking video selected based on the contents of the recipe process to the computer 601.

  The auxiliary storage device 604 is an example of a tangible medium that is not temporary. Other examples of the tangible medium that is not temporary include a magnetic disk, a magneto-optical disk, a CD-ROM, a DVD-ROM, and a semiconductor memory connected via the interface 605. When this program is distributed to the computer 601 via a network, the computer 601 that has received the distribution may develop the program in the main storage device 603 and execute the processing.

  The program may be for realizing a part of the functions described above. Further, the program may be a so-called difference file (difference program) that realizes the above-described function in combination with another program already stored in the auxiliary storage device 604. Note that the hardware configuration shown in FIG. 6 may be the same for the viewer terminal 200. The operation of each component of the viewer terminal 200 is also realized by a CPU according to a program stored in the auxiliary storage device, similar to the content distribution server 100 described above.

(Explanation of effect)
In the content distribution system according to the present embodiment, the content viewed by the user is switched and distributed based on the contents of the recipe process. Thereby, the user (viewer) can enjoy the image of the cook who performs cooking work and the image which improved the mode of cooking work, without operating himself. Thereby, the user can know the state of the cooking work in detail depending on the contents of the recipe process while enjoying the expression and operation of the cook.

  In addition, the cooking video is switched based on a predetermined term included in the recipe process. Since the predetermined term is a term related to the work content that the user wants to know in detail about the content of the cooking work, it is possible to distribute video that meets the user's needs.

  In addition, by combining the predetermined terminology indicating cooking work and the term indicating cooking utensil, the user can specify in detail the cooking work that the user wants to know in detail. can do.

  The present embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the invention described in the claims and equivalents thereof, as long as they are included in the scope and gist of the invention.

1 content distribution system, 100 content distribution server, 110 communication unit, 120 storage unit, 130 control unit, 131 video acquisition unit, 132 reading unit, 133 extraction unit, 134 selection unit, 141, 142 camera, 143 video generation unit, 601 Computer, 602 CPU, 603 main storage, 604 auxiliary storage, 605 interface

In order to achieve the above object, a content distribution server according to the present disclosure is a server that distributes cooking images taken by a plurality of photographing devices having different photographing ranges, by a cook according to recipe information. At least one of the photographing devices is a photographing device having a photographing range of a front posture including the face of a cook who performs cooking work, and a video acquisition unit that acquires each cooking video photographed by a plurality of photographing devices; A reading unit that reads recipe information, an extraction unit that extracts predetermined terms included in each recipe process of the recipe information, and at least one of a plurality of cooking videos acquired by the video acquisition unit based on the extracted predetermined terms A selection unit that selects one cooking video, and a distribution unit that distributes the cooking video selected by the selection unit.

Further, in order to achieve the above object, a content distribution system according to the present disclosure is a system that distributes cooking images taken by a plurality of photographing devices having different photographing ranges, for cooking operations performed by a cook according to recipe information, At least one of the plurality of photographing devices is a photographing device whose photographing range is a front posture including the face of a cook who performs cooking work, and a video acquisition unit that acquires each cooking video photographed by the plurality of photographing devices A reading unit that reads recipe information, an extraction unit that extracts a predetermined term included in each recipe process of the recipe information, and a plurality of cooking videos acquired by the video acquisition unit based on the extracted predetermined term A selection unit that selects at least one cooking video, and a distribution unit that distributes the cooking video selected by the selection unit.

Further, in order to achieve the above object, a content distribution method according to the present disclosure is a method for distributing a cooking operation performed by a chef according to recipe information using a plurality of imaging devices having different imaging ranges, At least one of the plurality of photographing devices is a photographing device whose photographing range is a front posture including the face of the cook who performs the cooking operation, and obtaining each cooking video photographed by the plurality of photographing devices; A step of reading recipe information, a step of extracting a predetermined term included in each recipe process of the recipe information, and selecting at least one cooking image from a plurality of acquired cooking images based on the extracted predetermined term And a step of distributing the selected cooking video.

Claims (9)

A video acquisition unit for acquiring cooking images obtained by photographing a plurality of photographing devices having different photographing ranges for cooking work according to recipe information;
A reading unit for reading the recipe information;
An extraction unit for extracting a predetermined term included in each recipe process of the recipe information;
A selection unit that selects at least one cooking video from a plurality of cooking videos acquired by the video acquisition unit based on the extracted predetermined term;
A distribution unit that distributes the cooking video selected by the selection unit;
A content distribution server comprising: The cooking video is time-divided into segments by the recipe process unit of the recipe information,
The content distribution server according to claim 1, wherein the video acquisition unit acquires the cooking video to which metadata indicating a correspondence relationship between the segment and the recipe process is added.   3. The content distribution server according to claim 1, wherein at least one of the plurality of photographing devices uses a hand of a cook who performs the cooking operation as the photographing range.   The content distribution server according to any one of claims 1 to 3, wherein at least one of the plurality of photographing devices uses a front posture of a cook who performs the cooking operation as the photographing range.   The content distribution server according to any one of claims 1 to 4, wherein the predetermined term is a term indicating the cooking operation or a term indicating a cooking utensil used in the cooking operation.   The content distribution server according to any one of claims 1 to 5, wherein the predetermined term is a combination of a term indicating the cooking operation and a term indicating a cooking utensil used in the cooking operation. A video acquisition unit for acquiring cooking images obtained by photographing a plurality of photographing devices having different photographing ranges for cooking work according to recipe information;
A reading unit for reading the recipe information;
An extraction unit for extracting a predetermined term included in each recipe process of the recipe information;
A selection unit that selects at least one cooking video from a plurality of cooking videos acquired by the video acquisition unit based on the extracted predetermined term;
A distribution unit that distributes the cooking video selected by the selection unit;
A content distribution system comprising: A step of acquiring each cooking image obtained by photographing a plurality of photographing devices having different photographing ranges for cooking work according to the recipe information;
Reading the recipe information;
Extracting a predetermined term included in each recipe process of the recipe information;
Selecting at least one cooking image from the acquired plurality of cooking images based on the extracted predetermined term;
Delivering the selected cooking video;
A content distribution method comprising:   A program for causing a computer to execute the content distribution method according to claim 8.

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