FR3050545A1 - PHOTOGRAPHIC DEVICE; ASSOCIATED SHOOTING METHOD - Google Patents

Abstract

A photographic device comprising: • a plurality of screens (21, 22, 23, 24, 25) arranged side by side in pairs; A device for displaying a global image on the global display surface of the plurality of screens; At least one camera device (40) configured to capture a global image along an optical axis and to transmit this overall image to the display device of a global image, where the camera is arranged on external edges of two screens arranged side by side or between external edges of two screens arranged side by side or behind external edges of two screens arranged side by side. Associated shooting method.

Description

Photographic device; associated shooting method.

The present invention relates to a photographic device. The present invention more particularly relates to a device for acquiring an image of a subject via a camera and a plurality of screens. The present invention also relates to a photographic photographing method in which the subject uses said photographic device.

Photographic devices that allow a subject to see each other and simultaneously shoot in a chosen posture are known. As an example, the "Photomaton Cabins" are mentioned. These devices are nevertheless complex, expensive and bulky. Moreover, they do not allow the subject to see himself full foot.

In order to overcome the aforementioned drawbacks and to offer new shooting possibilities, the present invention aims at a photographic device comprising: a plurality of screens arranged two by two side by side, where each screen comprises at least one outer edge disposed at a distance, d1, less than or equal to 1 cm from at least one outer edge of another one of the plurality of screens, wherein each screen includes a screen display surface for displaying a local image of which at least one local image edge is disposed at a distance, d2, less than or equal to 3 cm from at least one local image edge of a screen display surface of another screen of the plurality of screens, where the screens of the plurality of screens are configured to allow the display of a global image on a global display surface constituted by all the screen display surfaces of the plural a plurality of screens, the smallest dimension of said overall display surface being greater than or equal to 50 cm, or even greater than or equal to 1 meter; A device for displaying a global image on said global display surface; At least one shooting device configured to capture an overall image along an optical axis and to transmit this overall image to the display device of a global image, where the camera is arranged on external edges of the image. two screens arranged side by side or between external edges of two screens arranged side by side or behind external edges of two screens arranged side by side.

Thanks in particular to the choice of dimensions mentioned, the plurality of screens makes it possible to offer to the subject who is looking at the photographic device a satisfactory image of himself; he can thus adjust his posture with regard to the image seen by the shooting device. Such a photographic device makes it possible to obtain flattering self-portraits because the subject can, thanks to him, look at his own image to see himself during the shooting while looking at the camera directly in the eyes. Moreover, such a photographic device is simple to implement and can be implemented with inexpensive components.

In the context of the present invention, the term "screen" means any electronic device capable of displaying an image; according to one embodiment, a screen is a flat screen; such a flat screen may be in particular of the "plasma screen" type, of the "LCD screen" type (LCD for "liquid crystal display" in English, or LCD screen) or of the "LED screen" type (LED for "light emitting diode" in English, ie light-emitting diode); an LCD screen can be backlit type (by a cold cathode tube or LED) or without backlight (for example an OLED screen, OLED for "organic light emitting diode" in English, or organic light emitting diode). According to one embodiment, the screen is touch. In a manner known per se, a screen is delimited by an external edge screen. The display surface can occupy the entire surface of the screen or only a portion of said surface of the screen and in this case the screen display surface is surrounded by a generally narrow border (of the order of one cm for example).

The present invention also relates to a photographic device further comprising the characteristics set forth in the following embodiments, which can be combined with each other according to all technically feasible solutions: the overall display surface extends in a single plane; according to another embodiment, the overall display surface extends in a plurality of planes, for example in two planes spaced angularly by an angle greater than or equal to 120 ° and less than 180 °; the screens of the plurality of screens are substantially contiguous and the distance d1 is substantially zero, for example a single zero; according to another embodiment, the screens of the plurality of screens are slightly spaced from each other and the distance d1 is greater than or equal to 0.2 cm, for example greater than or equal to 0.2 cm; the plurality of screens consists of two screens arranged side by side; according to another embodiment, the plurality of screens consists of three screens; according to yet another embodiment, the plurality of screens consists of a mosaic of more than three screens; the overall display surface is rectangular; according to one embodiment, its width is greater than or equal to 1 meter and its length is greater than or equal to 1.50 meters; according to one embodiment, the overall display surface is square with a side greater than or equal to 1 meter, for example greater than or equal to 1.50 meters; the global display surface is configured to display in portrait mode; according to another embodiment, the global display surface is configured to allow display in landscape mode; in a manner known per se, a "portrait" mode, also called "French format", is defined by a representation mode in which the display is in the direction of the height and a "landscape" mode is defined, also called "Italian format", by a representation mode where the display is in the direction of the width; - The camera is movable and can move on the outer edges of two screens arranged side by side or between the outer edges of two screens arranged side by side, through a drive by a motorized device; according to one embodiment, the movement of the camera is controlled by a signal so as to follow the position of the subject's eyes.

The present invention also relates to a photographic imaging assembly comprising the above-mentioned photographic device, a floor adapted to receive a subject, and wherein the photographic device is located substantially perpendicular to said ground and whose lower edge directed towards the ground is disposed at a height less than or equal to one meter, for example less than 50 cm, or even zero. According to one embodiment, the device for shooting the photographic device is located at a height H from the ground greater than or equal to 1 meter and less than or equal to 1.50 meters.

The present invention also relates to a photographic photographing method in which a subject uses a photographic device or a set for photographic shooting as described above and where: the subject faces the plurality of screens of the photographic device; The shooting device captures an image of the subject and transmits this image to the display device of an image; The image is displayed by the display device on the plurality of screens; • a shot is taken in a position of the chosen subject.

According to various embodiments of the method of the present invention, which can be combined with each other according to all technically feasible solutions: the image of the subject picked up by the camera includes the subject's eyes; • the average line of sight of the subject and the optical axis of the camera are separated by an angle less than or equal to 15 °. The invention will be better understood with reference to the accompanying drawings in which FIGS. 1 to 3 each represent an embodiment of a photographic device 10, according to the invention forming part of a set for photographic shooting. according to the invention.

It should be noted that the proportions of the components of the device shown are not necessarily respected and that the figures serve only to facilitate the understanding of the present invention. Identical reference numerals correspond to the same components shown in the various figures.

In the case of Figure 1, the two screens 21,22 of the plurality of screens are joined (d1 = 0); in the case of FIG. 2, the two screens 21, 22 of the plurality of screens are separated by a non-zero distance d1 (voluntarily exaggerated in the figure in proportion to the other dimensions), but small because it is less than or equal to 1 cm, for example less than or equal to 0.5 cm; in the case of Figure 3, the three screens 23, 24, 25 of the plurality of screens are joined (d1 = 0).

Each screen includes at least one outer edge 212, 222, 232, 242, 252 disposed at a distance, d1, from at least one outer edge of another one of the plurality of screens; each screen comprises a screen display surface 211, 221,231,241,251 for displaying a local image of which at least one local image edge 213, 223, 233, 243, 234, 244, 254 is disposed at a distance, d2, below or at least 3 cm from at least one local image edge of a screen display surface of another screen of the plurality of screens. According to one embodiment, d2 is less than or equal to 2 cm, or even less than or equal to 1 cm. The screens of the plurality of screens are configured to allow the display of a global image on a global display surface constituted by all of the screen display surfaces of the plurality of screens, the smallest dimension of said overall display surface being greater than or equal to 1 meter. The overall display surface extends in a single plane. The overall display surface is rectangular with a length L1 greater than or equal to 1.50 meters and a width L2 greater than or equal to 1 meter.

A shooting device 40 is configured to capture a global image along an optical axis and to transmit this overall image to the display device of a global image, and this camera is arranged on external edges of two screens arranged side by side or between the outer edges of two screens arranged side by side. For example, the camera has a larger dimension less than or equal to 1 cm. Furthermore, the camera is actuated by a trigger device of such a nature as to generate a signal able to trigger a shooting; such a triggering device can be for example controlled by a manual action, also by a voice signal or by the detection of a predefined movement of the subject that can be detected by a sensor. According to one embodiment, the shooting device 40 is controlled by a smartphone; according to one embodiment, the image corresponding to the shot is processed by a smartphone.

The shooting device 40 and the display device of a global image can exchange signals with each other in wired mode (for example according to a protocol UART (for "Universal Asynchronous Receiver Transmitter") or SPI (for "Serial Peripheral Interface "or I2C (for" Inter-Integrated Circuit ") or in non-wired mode through a communication interface (for example according to a protocol selected from the protocols short-distance telecommunications Bluetooth, Zigbee, Wifi, Lifi, ANT ).

In the case of FIG. 1 and FIG. 3, the image pickup device 40 is arranged on the outer surface of the screens 21, 22, or screens 23, 24, 25, on external edges 212, 222, respectively. respectively 232, 242, 252 of these screens.

In the case of Figure 2 the camera 40 is disposed between the outer edges 212, 222 of the screens 21, 22 or behind the outer edges of these screens; it can be placed so that the outer surface of the lens of the photographic device is flush with the outer surface of the screens 21,22; it can also be arranged in the background of the outer surface of the screens 21, 22 while ensuring that the outer edges of these screens are not likely to alter the shooting.

The photographic device 10, 15 is disposed on a wall 200 perpendicular to a floor 100 adapted to receive a subject. The lower part (closest to the ground) of the photographic device 10, 15 is arranged at a height of between 20 and 50 cm.

Illuminations 31, 32, 33 are arranged around the photographic device 10, 15 so as to illuminate the subject.

Of course, the invention is not limited to the embodiments described above and provided solely by way of example. It encompasses various modifications, alternative forms and other variants that may be considered by those skilled in the art in the context of the present invention and in particular any combination of the different modes of operation described above, which can be taken separately or in combination.

Claims (10)

A photographic device (10, 15) comprising: a plurality of screens (21, 22, 23, 24, 25) arranged side by side in pairs, where each screen comprises at least one outer edge (212, 222, 232); , 242, 252) disposed at a distance, d1, less than or equal to 1 cm from at least one outer edge of another one of the plurality of screens, where each screen comprises a screen display surface ( 211, 211, 231, 241, 251) for displaying a local image of which at least one local image edge (213, 223, 233, 243, 234, 244, 254) is disposed at a distance, d2, less than or equal to 3 cm of at least one local image edge of a screen display surface of another one of the plurality of screens, wherein the screens of the plurality of screens are configured to display an overall image on a global display surface constituted by all of the screen display surfaces of the plurality of screens, a smaller dimension of said overall display surface being greater than or equal to 50 cm, or even greater than or equal to 1 meter; A device for displaying a global image on said global display surface; At least one camera device (40) configured to capture a global image along an optical axis and to transmit this overall image to the display device of a global image, where the camera is arranged on external edges of two screens arranged side by side or between external edges of two screens arranged side by side or behind external edges of two screens arranged side by side. The photographic device of claim 1, wherein the overall display surface extends in a single plane. 3. Photographic device according to the preceding claim, wherein the optical axis of the photographic device is spaced at an angle less than or equal to 15 ° of an axis perpendicular to the plane of the overall display surface. 4. A photographic device according to any one of the preceding claims, wherein the plurality of screens consists of two screens arranged side by side. A photographic apparatus according to any one of the preceding claims, wherein the overall display surface is rectangular with a length L1 greater than or equal to 1.50 meters and a width L2 greater than or equal to 1 meter. A photographic imaging assembly comprising the photographic device (10, 15) according to any of the preceding claims, a ground (100) adapted to receive a subject, wherein the photographic device is located substantially perpendicular to said ground and whose bottom edge directed towards the ground is disposed at a height less than or equal to one meter, for example less than 50 cm, or even zero. 7. Unit for photographic shooting according to the preceding claim, wherein a camera (40) is located at a height H from the ground greater than or equal to 1 meter and less than or equal to 1.50 meters. A photographic photographing method in which a subject uses the photographic device (10, 15) according to any of claims 1 to 5 or the photographic imaging unit according to one of claims 6 or 7 and wherein : The subject faces the plurality of screens (21, 22, 23, 24, 25) of the photographic device; The shooting device (40) captures an image of the subject and transmits this image to the display device of an image; The image is displayed by the display device on the plurality of screens (21,22, 23, 24, 25); • a shot is taken in a position of the chosen subject. 9. Photographic photographing method according to the preceding claim wherein the image of the subject captured by the camera comprises the eyes of the subject. 10. photographic shooting method according to the preceding claim wherein the average line of view of the subject and the optical axis of the camera (40) are spaced at an angle less than or equal to 15 °.