FR3005545A1 - MANAGING THE SELECTION OF PARAMETERS TO BE TAKEN INTO ACCOUNT WHEN TAKING A VIEW BY A SHOOTING APPARATUS. - Google Patents

Abstract

The invention relates to a method for managing parameters to be selected relating to a capture of a view made by a first camera (D1), the first device being able to communicate with at least one second device (D2). , D3) via a communication network (RES), characterized in that it comprises, at the level of the first device - a step of receiving (ET3) information relating to said at least a second device from the communication network; - A parameter selection step (ET4) based on the received information.

Description

The invention relates to a method for managing the selection of parameters to be taken into account when shooting by means of a shooting device. The camera is for example a camera, a video camera, etc. The camera further includes a communication module for communicating with other devices either directly or indirectly. The inventors have found that the current shooting devices are autonomous on the management of the parameters to be taken into account for the shooting. The above-mentioned parameters include framing, aperture setting, ISO sensitivity, etc., and more generally any data that may be useful for shooting. The invention improves the situation.

For this purpose, according to a first functional aspect, the invention relates to a management method of parameters to be selected relating to a capture of a view made by a first camera, the first device being able to communicate with at least one second device via a communication network, characterized in that it comprises, at the level of the first device - a step of receiving information relating to said at least one second device from the communication network; A step of selecting parameters based on the information received. In this way, a shooting is based on information coming not only from the first device but also from information from the network. This information is for example provided by at least a second device located in the field of view of the camera during shooting. According to a particular embodiment of the invention, the information includes the position of said at least one second captured device; in this configuration, the method further comprises a capture step taking into account the position. In this way, the position (distance, height, etc.) of a second device relative to the first is known. The shooting can be improved accordingly; for example, the shooting may be centered on the second device; or the level of zoom to apply can be proposed automatically. According to a particular embodiment of the invention, which may be implemented alternatively or cumulatively with the previous one, the method comprises a step of modifying the capture, based on received information. A subsequent rendering step of the capture includes the modification. In other words, the information includes data capable of modifying the rendition of the capture on a screen. In this configuration, a capture is followed by a modification and rendering step including said modification. In this way, an object can be extracted from the capture; for example, an individual who does not wish to appear on a photo may ask not to be visible in the photo. According to a variant of this last embodiment, the modification masks part of the captured scene. The mask allows for example to hide a person not wishing to appear on the capture during a restitution. According to a second functional aspect, the invention relates to a management method of parameters to be selected relating to a shooting made by a first camera, this first device being able to communicate with at least one second device via a network. communication device, characterized in that it comprises, at the second device, a step of transmission, via the communication network, information capable of being taken into account for a shooting. According to a material aspect, the invention also relates to a shooting device, said first device, comprising a capture module able to capture a view and a communication module able to communicate with at least one second device via a communication network. characterized in that it comprises: - an information receiving module relating to said at least one second device from the communication network; - A parameter selection module based on the information received.

According to another material aspect, the invention relates to a computer program capable of being implemented on the first device as defined above, characterized in that it comprises code instructions which when the program is executed, performs the steps defined in the method defined above according to the first functional aspect.

According to a material aspect, the invention also relates to a device, said second device, comprising a communication module able to communicate with at least a first camera via a communication network, characterized in that it comprises a module transmission capable of transmitting, via the communication network, information suitable for being taken into account for a shooting. According to another material aspect, the invention relates to a computer program capable of being implemented on a second device as defined above, characterized in that it comprises code instructions which when the program is executed, performs the steps of the method according to the second functional aspect referred to above. The nature of the programs referred to above is arbitrary. They can be downloaded from a communication network and / or recorded on a computer-readable medium. The invention will be better understood on reading the following description, given by way of example and with reference to the appended drawings in which: FIG. 1 represents a computer system on which is illustrated an exemplary embodiment of the invention. Figure 2a is a schematic view of the circuits included in a camera according to an embodiment of the invention.

Figure 2b is a schematic view of the circuits included in second devices according to one embodiment of the invention. Figures 3a and 3b show two scenes at different times. Figure 4 shows a first schematic view of a geographical location in which the invention can be implemented. Figure 5 is a schematic view of the steps implemented for the implementation of the invention. Figure 6 shows a second schematic view of a geographical location in which the invention can be implemented.

Figures 7a and 7b are renditions of shots; a first to which no treatment has been applied; a second to which a treatment has been applied. DETAILED DESCRIPTION OF AN EMBODIMENT EXPRESSING THE INVENTION FIG. 1 is a schematic view of a computer system SYS including a first camera and second devices able to communicate with each other via a communication network RES. This network is any; it can include a plurality of different networks such as an Internet network, a WIFI network, a short-range network (RFID, NFC, etc.), a 3G / 4G network, etc.

In our example, the first camera D1 is a camera. Figure 1 is a schematic view of a place including multiple users (UT1-UT3). A first user UT1 using the camera D1, and second users UT2 and UT3 using second devices respectively D2 and D3. In our example, the second devices are two in number; however, this number could be lower or higher. With reference to FIG. 2a, the camera D1 is equipped with a processor CPU1, a capture module CPT1, an ECR1 screen, a communication module COM1 for communicating with the second devices, a device MEM1 memory module for storing data.

With reference to FIG. 2b, the second devices include, respectively, a CPUn processor (n = 2.3); a communication module COMn (n = 2,3). The modules installed on the same device are connected to each other via a bus. Recall that a bus has the function of ensuring the transfer of digital data between the different circuits of a computer. In our example, the bus in question includes a data bus and a control bus. Note also that, in our example, the memory module described above is a permanent memory, for example type ROM (acronym for Read Only Memory) and that the camera also includes a respective RAM (no shown) used to store in an unsustainable manner calculation data used in particular during the implementation of the method.

The screen ECR1 is described above is optional and will serve, for example, as we will see in the following, to display a capture of a view and possibly proposals for shooting. In our example, the COM1-COM3 communication modules provide access to the Internet via a Wi-Fi / 3G / 4G network.

The camera D1 can be a conventional camera that is to say manipulable with the hand, or can be placed on glasses, or integrated glasses connected known to those skilled in the art. Recall that connected glasses generally include an integrated camera, a microphone, a touchpad on one of the branches, a mini-screen for displaying information and a communication module for access to the Internet via a network. WiFi / 3G / 4G. The communication module can also be a short-range communication module of the Bluetooth type enabling the glasses to communicate with a device, such as a smartphone, capable of communicating via a Wi-Fi / 3G / 4G telecommunications network. In this configuration, the glasses are an extension of the smartphone. As soon as the Smartphone is paired with the glasses, they can communicate with each other.

For the sake of simplification of the disclosure of the invention, our example will be based on a conventional camera equipped with a communication module COM1 able to communicate with a 3G network. Also, the second devices are, in our example, connected glasses. The SYS system also includes a location module LOC able to locate the camera D1 and the glasses D2 and D3, the aim being to determine the position of the captured devices with respect to the camera, in particular the distances separating the camera. camera (for example the optical focus of the CPT1 capture module) of the cameras to be photographed. The location module may be located on an SRV server connected to the network or integrated into both the camera and / or the glasses. The location module used to obtain the location of a device is arbitrary. This means can be indifferently, a location means using GPS positioning (Global Positioning System), a location means using mobile telephony networks such as the time differential better known by the acronym EOTD (Enhanced Observed Time Difference), the GSM cell identification system, triangulation, etc. The locating means may also be simply a means capable of receiving a location provided by the user of the camera; In our example, the apparatus and the glasses include respective location modules LOC1-LOC3. These modules use GPS satellite positioning and other means such as an altimeter, an accelerometer in compass mode to obtain a position as well as a direction and a height.

The knowledge of the direction makes it possible to know the area captured by a shooting device at a given geographical position. With reference to FIG. 5, the steps of an embodiment of the method are the following: a step ET1 of visualizing a scene / geographic area; an ET2 determining step of the devices included in the field of view of the camera; this step is optional because the information can come from other devices; however, the preferred use case is one in which the second devices issue information about them. a step of receiving ET3 information relating to said at least one second device from the communication network RES; a step of selecting parameters ET4; selection based on the information received. The location of the determination step ET2 may be arbitrary; ie in the camera, on the SRV server, or elsewhere on the network.

Two embodiments will now be described with respect to two scenes occurring at two distinct moments t and t + At. Figure 3a illustrates a first embodiment; this FIG. 3a represents a geographical area ZG in which the camera D1 and the two second devices D2 and D3 are located at time t. In this FIG. 3a, the device D2 is in the field of vision CHV of the first device D1, while the second device is not in the field of view of D1. Recall that a camera has the function of capturing scenes. Referring to Figure 4, remember that the camera includes an optical focus FO and a sensor (not shown). The distance between the focal point and the sensor defines a horizontal and vertical field of view of the lens and therefore the dimensions of the scene to be captured. The vertical field of view corresponds to an angle av and a horizontal angle ah. Finally, a distance d separates the captured scene and the optical focus.

The steps of this first mode are the following: Considering, in the following, a location as illustrated in FIG. 3a in which the two UT2 and UT3 users described above are located, and of which only the second user is in captured area CPT.

In order to simplify the discussion, in FIG. 6, only the CPT capture is shown. It will be the same for Figures 7a and 7b described below. In the first step ET1, the first user of the camera views the second user UT2.

In our example, the determination step ET2 is performed on the server SRV. Data relating to the observed area is thus transmitted to an SRV server. In the second step ET2, knowledge of the location of the camera, the area observed, and the location of the devices allows the server to deduce which are the devices present in the field of view of the camera Dl. In the third step ET3, the first device receives from the server SRV, preferably before capturing, information relating to all or part of the captured devices. In our example, the second device D2 is the only device captured; accordingly, in our example, the first device receives information relating to the second device. In our example, the information received is a location LOC2 of the captured device, namely the second device D2. In the fourth step ET4, a shooting is performed by the camera taking into account the location LOC2. This allows, for example, the camera to automatically select an appropriate zoom level based on the distance between the camera and the second device D2. Other information can be used, for example a level of brightness at the second captured device D2, the height of the second device relative to the camera D1, etc., more generally any data that may have an influence on the decision of view. The automatic selection can be followed by a proposition of shooting to be validated by the first user and a validation by the user.

Figure 3b illustrates a second embodiment. This FIG. 3b represents a geographical zone ZG in which the camera D1 and the two second devices D2 and D3 are located at time t + At. In this figure 3b, the two second devices D2 and D3 are in the field of vision CHV of the camera Dl. It is assumed here that the user to be captured is still the second device D2 and that the third device D3 does not wish to be photographed. In this configuration, the steps of this second mode are as follows: In the first step ET1, the first user of the camera views the second user UT2 and the third user UT3. In our example, the determination step ET2 is performed on the server SRV. Data relating to the observed zone are thus transmitted to an SRV server. In a second step ET2, knowledge of the location of the camera, the area observed, and the locations of the devices allow the server to deduce which the devices present in the field of view of the camera Dl. In a third step ET3, the first device receives, preferably before capture, information relating to all or part of the captured devices. In our example, the first device D1 receives information relating to the second devices D2 and D3. In our example, the information received includes locations LOC2 and LOC3 corresponding to the second devices D2 and D3.

In a fourth step ET4, a shooting is performed by the camera taking into account the locations received. Figure 7a illustrates the resulting shooting. According to an advantageous characteristic, a particular processing step (ET5) TRT is performed on the shooting so as to extract the third user from the capture. This processing is, in our example, carried out by a processing module PGM1 such as a program present in the memory MEM1 of the camera. However, this program could be installed in another place for example on the SRV server. For this purpose, the camera D1 locates the third device D3 on the shot taken and modifies the shooting so that the third user is not visible. The modification may be to blur the area of the capture in which the third user is located. Figure 7a is the untreated shooting on which the second user and the third user are visible.

Referring to Figure 7b, an opaque frame is placed at the third user so that it does not appear on the shot. Any other means of not distinguishing the third user could have been used instead of the opaque frame. According to another variant, the camera D1 transmits information to all or some of the devices involved in the shooting. This information includes for example a direction to take into account, a height, etc. this other variant improves the quality of the shooting. For example, if the captured user is not well placed on the capture, a message including positioning indications can be transmitted to him.

For the implementation of the method, the camera D1 comprises, an information receiving module relating to said at least a second device from the communication network and a parameter selection module based on the information received. the other devices D2 and D3 include for their part a transmission module able to transmit, via the communication network, information that can be taken into account for shooting. Finally, it should be noted that in the foregoing, the term module may correspond to a software component as well as a hardware component or a set of hardware and software components, a software component corresponding to one or more programs or subprograms. computer or more generally to any element of a program capable of implementing a function or a set of functions as described for the modules concerned. In the same way, a hardware component corresponds to any element of a hardware set (or hardware) able to implement a function or a set of functions for the module concerned (integrated circuit, smart card, memory card, etc. .).

Claims (9)

REVENDICATIONS1. A method of managing parameters to be selected relating to a capture of a view made by a first camera (D1), the first device being able to communicate with at least one second device (D2, D3) via a network of communication (RES), characterized in that it comprises, at the level of the first device - a step of receiving (ET3) information relating to said at least one second device from the communication network; A step of selecting (ET4) parameters based on the information received, 2. Management method according to claim 1, characterized in that the information includes the position of said at least one second captured device and in that it further comprises a capture step taking into account the position. 3. Management method according to claim 1, characterized in that it comprises a step of modifying the capture, based on received information. 4. Management method according to claim 3, characterized in that the modification masks part of the captured scene. 5. A method of managing parameters to be selected relating to a shooting made by a first camera, this first device being able to communicate with at least one second device via a communication network, characterized in that comprises, at the second device, a step of transmitting, via the communication network, information capable of being taken into account for a shot. 6. Shooting device (D1), said first device, comprising a capture module able to capture a view and a communication module able to communicate with at least a second device (D2, D3) via a communication network, characterized in that it comprises, an information receiving module relating to said least one second device from the communication network; A parameter selection module based on the information received; 7. Device (D2, D3), said second device, comprising a communication module able to communicate with at least a first camera (D1) via a communication network (RES), characterized in that it comprises a transmission module capable of transmitting, via the communication network, information that can be taken into account for shooting. 8. A computer program adapted to be implemented on a device as defined in claim 7, characterized in that it comprises code instructions which when the program is executed, performs the steps defined in claim 1. 9. Computer program adapted to be implemented on a device as defined in claim 8, characterized in that it comprises code instructions which when the program is executed, performs the steps defined in claim 5. 25