CN113747140A

CN113747140A - TOF camera module, electronic equipment and 3D image generation method

Info

Publication number: CN113747140A
Application number: CN202010476151.XA
Authority: CN
Inventors: 李慧
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-12-03

Abstract

The disclosure provides a TOF camera module, an electronic device and a 3D image generation method. TOF module of making a video recording includes: the device comprises a transmitting module and a receiving module. The transmission module includes: the light path adjusting component is arranged on one side, from which light rays of the light equalizing piece are emitted, of the light-emitting piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece, and the light path adjusting component is used for adjusting the light to be emitted to different areas of the target object. The receiving module is used for receiving the light reflected by different areas of the target object. This TOF module of making a video recording has realized that low-power consumption, long distance, great angle of view, high quality ground shoot 3D image, do benefit to and promote product competitiveness and user experience.

Description

TOF camera module, electronic equipment and 3D image generation method

Technical Field

The disclosure relates to the technical field of electronic equipment, in particular to a TOF camera module, electronic equipment and a 3D image generation method.

Background

With the development of technologies such as AR and VR, 3D imaging technology is applied to electronic devices and is highly favored. For example, TOF (Time of Flight) technology is widely used in 3D imaging due to its advantages of fast imaging speed and low configuration cost. The imaging principle of the TOF camera module is as follows: the method comprises the steps of emitting light rays to a shot target object, receiving the light rays reflected by the target object, determining depth information of the target object by calculating the time difference between the emission and the return of the light rays, and further determining a 3D image of the target object. However, the TOF camera module cannot easily achieve long-distance and large-field-angle shooting at the same time, which limits the application range of the TOF camera module.

Disclosure of Invention

The present disclosure provides a TOF camera module, an electronic device, and a 3D image generation method, which can capture a 3D image with low power consumption, a long distance, a large field angle, and high quality.

One aspect of the present disclosure provides a TOF camera module, which includes:

the transmission module includes: the light path adjusting component is arranged on the light emitting side of the light homogenizing piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece, and the light path adjusting component is used for adjusting the light to be emitted to different areas of the target object;

and the receiving module is used for receiving the light rays reflected by different areas of the target object.

Optionally, the optical path adjusting assembly includes: and the rotatable scanning mirror is used for receiving and reflecting the light rays emitted by the light homogenizing piece.

Optionally, the optical path adjusting assembly further includes: locate the speculum of one side is jetted out to the light of light equalizing part, the scanning mirror is located the light of speculum jets out one side, the speculum is used for with the warp the light that light equalizing part sent reflects extremely the scanning mirror.

Optionally, when the scanning mirror stops working, the light reflecting surface of the scanning mirror is parallel to the light reflecting surface of the light equalizing member.

Optionally, the light reflecting surface of the scanning mirror rotates towards the light reflecting surface of the reflecting mirror.

Optionally, the field angle range of the receiving module is 60 ° to 180 °; and/or the presence of a gas in the gas,

the scanning frequency of the scanning mirror is greater than or equal to 1000 Hz; and/or the presence of a gas in the gas,

the rotation angle of the scanning mirror is greater than or equal to 5 degrees.

Optionally, the TOF camera module further includes a reinforcing plate, the transmitting module and the receiving module are separately disposed, and the transmitting module and the receiving module are both disposed on the reinforcing plate.

Another aspect of the present disclosure provides an electronic device, including the TOF camera module and the control module as claimed in any one of the above mentioned aspects;

the control module is configured to: controlling a light path adjusting component of the TOF camera module to adjust light rays to be emitted to different areas of a target object; acquiring sub 3D images corresponding to different areas of the target object according to the light rays reflected by the different areas of the target object received by the receiving module of the TOF camera module; and fusing the plurality of sub 3D images to generate a 3D image of the target object.

Optionally, the control module is specifically configured to: acquiring an electric signal converted by the receiving module from the light reflected by different areas of the target object; and obtaining the sub 3D images corresponding to different areas of the target object according to the electric signals obtained from different areas of the target object and a flight time ranging method.

Another aspect of the present disclosure provides a method of generating a 3D image for an electronic device, the electronic device including: the module is made a video recording to TOF, the module is made a video recording to TOF includes: the device comprises a transmitting module and a receiving module; the transmission module includes: the light path adjusting component is arranged on the light emitting side of the light homogenizing piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece; the method comprises the following steps:

controlling the light path adjusting component to adjust light rays to be emitted to different areas of the target object;

acquiring sub 3D images corresponding to different areas of the target object according to the light rays reflected by the different areas of the target object received by the receiving module;

and fusing the plurality of sub 3D images to generate a 3D image of the target object.

Optionally, the obtaining, according to the light reflected by the different areas of the target object received by the receiving module, sub 3D images corresponding to the different areas of the target object includes:

acquiring an electric signal converted by the receiving module from the light reflected by different areas of the target object;

and obtaining the sub 3D images corresponding to different areas of the target object according to the electric signals obtained from different areas of the target object and a flight time ranging method.

Another aspect of the disclosure provides a computer-readable storage medium having stored thereon a program which, when executed by a processor, implements a method as in any of the above-mentioned.

The technical scheme provided by the embodiment of the disclosure has at least the following beneficial effects:

the divergence angle of the light based on the uniform light piece emission is smaller than that of the light emitted by the light emitting piece, so that the light beam emitted by the emission module has smaller divergence angle and good uniformity, and the TOF camera module is further favorable for remotely shooting high-quality 3D images. Adjust the different regions that light launches to target object through control light path adjusting part, make receiving module group receive target object's the regional reflected light of corresponding, adjust light through light path adjusting part and shine to target object's whole area of waiting to shoot until, so that receiving module group can receive the whole regional reflected light of waiting to shoot of target object, this is under the prerequisite of long-distance shooting, great angle of view shooting has been realized, still need not increase the luminous power of illuminating part, do benefit to illuminating part low-power consumption, low temperature work, this market competitiveness and the user experience who has promoted camera module group and electronic equipment TOF.

Drawings

FIG. 1 is a front view of a TOF camera module according to an exemplary embodiment;

FIG. 2 is a side view of the TOF camera module of FIG. 1;

FIG. 3 is a schematic diagram illustrating an electronic device according to an exemplary embodiment of the present disclosure;

FIG. 4 is a front view of the TOF camera module of FIG. 3;

FIG. 5 is a top view of the TOF camera module of FIG. 3;

FIG. 6 is a side view of the TOF camera module of FIG. 3;

FIG. 7 is a partial cross-sectional view of the TOF camera module of FIG. 4 taken along line A-A;

FIG. 8 is a schematic view of the light reflecting surface of the scan mirror of FIG. 7;

FIG. 9 is a schematic diagram illustrating a transmitting module emitting light and a receiving module receiving light according to an exemplary embodiment of the present disclosure;

FIG. 10 is a flow chart illustrating a method of generating a 3D image according to an exemplary embodiment of the present disclosure;

FIG. 11 is a block diagram illustrating a 3D image generation apparatus according to an exemplary embodiment of the present disclosure;

FIG. 12 is a block diagram illustrating an electronic device according to an exemplary embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in the description and claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. Unless otherwise indicated, the word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprises" or "comprising" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

As used in this disclosure and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Fig. 1 is a front view of a TOF camera module according to an exemplary embodiment, and fig. 2 is a side view of the TOF camera module shown in fig. 1. With combined reference to fig. 1 and 2, the TOF camera module may include: a housing 110, a transmitting module 120 and a receiving module 130 assembled to the housing 110, a Flexible Printed Circuit (FPC) 140, and a connector 150. The emitting module 120 is configured to emit light toward the target object, and the receiving module 130 is configured to receive the light reflected by the target object. The FPC 140 is connected to the transmitting module 120, the receiving module 130, and the connector 150, and may be connected to a control module of the electronic device through the connector 150. The control module generates a 3D image according to an electrical signal converted from the light reflected by the target object by the receiving module 130.

However, if the distance between the target object and the TOF camera module is long and a large field angle is required, the light emission power of the emitter module 120 needs to be increased, which is not favorable for reducing power consumption. Moreover, the luminous power is increased, so that the emission module 120 generates more heat easily, which is not beneficial to the long-time operation of the emission module 120, and the higher temperature also reduces the luminous quality, which affects the shooting quality. That is, the TOF camera module cannot simultaneously achieve low power consumption, long-distance and large-field-angle shooting.

In order to solve the above problem, an embodiment of the present disclosure provides a TOF camera module, an electronic device, and a method for generating a 3D image, which are described below with reference to the accompanying drawings:

fig. 3 is a schematic structural diagram of an electronic device 200 according to an exemplary embodiment of the present disclosure. The electronic apparatus 200 includes: the camera module comprises a body 210, a TOF camera module 300 arranged on the body 210 and a control module arranged in the body 210. Wherein, the TOF camera module 300 is used for shooting a target object and generating an electric signal, and the control module generates a 3D image according to the electric signal of the TOF camera module 300, so as to facilitate the electronic device 200 to realize 3D image display functions such as AR (Augmented Reality), VR (Virtual Reality), and the like. Illustratively, the TOF camera module 300 is disposed on the front surface of the electronic device 200, and belongs to a front camera module. Illustratively, the TOF camera module 300 is disposed on the back side of the electronic device 200, belonging to a rear camera module.

The electronic device 200 provided by the embodiment of the present disclosure includes but is not limited to: smart devices such as mobile phones, tablet computers, ipads, digital broadcast terminals, messaging devices, game consoles, medical devices, fitness devices, personal digital assistants, and the like.

Fig. 4 is a front view of the TOF camera module 300 of fig. 3, fig. 5 is a top view of the TOF camera module 300 of fig. 3, and fig. 6 is a side view of the TOF camera module 300 of fig. 3. Fig. 7 is a partial cross-sectional view of the TOF camera module 300 of fig. 4 taken along the line a-a, and in fig. 7, 303 represents a light ray, and the direction indicated by the arrow is a light ray propagation direction. With combined reference to fig. 4-7, the TOF camera module 300 includes: a transmitting module 310 and a receiving module 320.

Referring to fig. 4 and 7 in combination, the transmitting module 310 includes: the light emitting device comprises a light emitting piece 311, a light homogenizing piece 312 arranged at the light emitting side of the light emitting piece 311, and a light path adjusting component 313 arranged at the light emitting side of the light homogenizing piece 312. The divergence angle of the light emitted by the light-emitting member 312 is smaller than the divergence angle of the light emitted by the light-emitting member 311, so that the emission module 310 emits the light with a smaller emission angle, and the TOF camera module 300 can achieve long-distance shooting under the premise of low power. Illustratively, the light Emitting member 311 includes a Vertical-Cavity Surface-Emitting Laser (VCSE) for Emitting light, such as infrared light. Illustratively, the light homogenizer 312 comprises a light homogenizer. Illustratively, the divergence angle of the light emitted through the light-equalizing member 312 is less than or equal to 80 °, such as 70 °, 60 °, 50 °, 40 °, 30 °, 20 °, and so on. The optical path adjusting member 313 is used to adjust the light emission to different regions of the target object. It should be noted that, in the embodiment of the present disclosure, the light path adjusting component 313 is controlled by the control module to adjust the light to be irradiated to different areas of the target object until all areas to be photographed of the target object are irradiated. Different areas of the target object illuminated by the light may overlap.

Further, the transmitting module 310 may further include: an emission case 316, an emission terminal PCB (Printed Circuit Board) 317, a light uniforming member holder 318, a light emitting member package substrate 319, and the like. The emitting end PCB 317 is disposed at the bottom of the emitting casing 316, the light emitting element 311 is disposed on the emitting end PCB 317 through the light emitting element package substrate 319, the light equalizing element 312 is disposed on one side of the light emitting element 311 departing from the emitting end PCB 317 and fixed through the light equalizing element support 318, and the light path adjusting assembly 313 is connected with the emitting end PCB 317. And the light emitting element 311, the light equalizing element 312 and the light path adjusting element 313 are all disposed in the emission housing 316. The transmitting module 310 may further include: the transmitting terminal FPC 301 connected to the transmitting terminal PCB 317 and disposed outside the transmitting casing 316, and the transmitting terminal connector 302 connected to the transmitting terminal FPC 301 may be adapted to different spaces inside the body 210 through the transmitting terminal FPC 301, and the transmitting terminal connector 302 is connected to the control module or other components in the electronic device 200.

With continued reference to fig. 4 and fig. 7, the receiving module 320 may include: the image sensor 321 is used for receiving light reflected by different regions of the target object and converting the light into an electrical signal. It can be understood that when the light emitted from the emitting module 310 is irradiated to different areas of the target object, the image sensor 321 receives the light reflected from the corresponding area and generates an electrical signal.

Further, the receiving module 320 may further include: receiving bracket 322, receiving lens 323, filter 324, receiving end PCB 325. The receiving end PCB 325 is disposed at a bottom layer of the receiving module 320, the image sensor 321 is connected to the receiving end PCB 325, the receiving bracket 322 is fixed on the receiving end PCB 325, the filter 324 is fixed on the receiving bracket 322 and located at a light incident side of the image sensor 321, and the receiving lens 323 is fixed on the receiving bracket 322. The receiving module 320 may further include: the receiving FPC 326 connected to the receiving PCB 325, and the receiving connector 327 connected to the receiving FPC 326 may be applied to different spaces inside the body 210 through the receiving FPC 326, and the receiving connector 327 is used to connect to a control module or other components in the electronic device 200.

In some embodiments, with continued reference to fig. 7, the TOF camera module 300 may further include a reinforcing plate 330, the transmitting module 310 is disposed separately from the receiving module 320, and both the transmitting module 310 and the receiving module 320 are disposed on the reinforcing plate 330. This is advantageous for maintaining or improving the transmitter module 310 and/or the receiver module 320, compared to the integration of the transmitter module 310 and the receiver module 320 in fig. 1, and the stiffener 330 can provide a support protection for the transmitter module 310 and the receiver module 320. Illustratively, the receiver PCB 325 and the emitter PCB 317 are both fixed to the stiffener 330, and the stiffener 330 protects the receiver PCB 325 and the emitter PCB 317.

The optical path adjusting component 313 can be set to various structures, and the present disclosure provides the following embodiments based on the simple structure and easy implementation:

in some embodiments, the optical path adjusting assembly 313 may include: a rotatable scanning mirror 314, the scanning mirror 314 is used for receiving the light emitted by the light homogenizing element 312 and reflecting the light. By controlling the rotation (or scanning) of the scanning mirror 314, the light emitted from the emitting module 310 can be irradiated to different areas of the target object, and when the light is irradiated to each area of the target object, the receiving module 320 receives the light reflected by the corresponding area of the target object. The receiving module 320 respectively receives the light reflected by all the regions of the target object, which is beneficial to realizing the shooting with a larger field angle on the premise of long-distance shooting. Illustratively, the scanning mirror 314 can be a MEMS scanning mirror 314.

Further, in some embodiments, with continued reference to fig. 7, the optical path adjustment component 313 may further include: the reflecting mirror 315 is disposed on the light emitting side of the light uniformizing element 312, the scanning mirror 314 is disposed on the light emitting side of the reflecting mirror 315, and the reflecting mirror 315 is configured to reflect the light emitted by the light uniformizing element 312 to the scanning mirror 314. After passing through the light equalizing member 312, the light emitted from the light emitting member 311 irradiates the light reflecting surface of the reflecting mirror 315 and is reflected by the light reflecting surface of the reflecting mirror 315 to the light reflecting surface of the scanning mirror 314, and then is reflected by the light reflecting surface of the scanning mirror 314 to the target object. By matching the reflecting mirror 315 with the scanning mirror 314, the internal space of the emitting module 310 can be fully used to adjust the light path, and the thickness of the emitting module 310 can be reduced. In addition, the optical path adjusting assembly 313 may further include a plurality of mirrors 315, which will not be described in detail herein.

In some embodiments, the scanning mirror 314 rotates or scans to adjust the light, and when the scanning mirror 314 stops, the light reflecting surface of the scanning mirror 314 is parallel to the light reflecting surface of the mirror 315. Note that the light reflecting surface of the scanning mirror 314 refers to: one side for reflecting light. The light reflecting surface of the mirror 315 refers to: one side for reflecting light. Thus, the rotation of the scanning mirror 314 is controlled on the basis of this, so that the scanning mirror 314 can receive most of the light reflected by the reflecting mirror 315, which improves the utilization efficiency of the light.

Further, in some embodiments, the light reflecting surface of the scan mirror 314 rotates toward the light reflecting surface of the mirror 315. It should be noted that the light reflecting surface of the scanning mirror 314 can rotate at any angle relative to the light reflecting surface of the reflecting mirror 315, so that the relative angle between the two changes, thereby adjusting the light.

Illustratively, referring to the schematic view of the light reflecting surface of the scan mirror 314 of FIG. 7 shown in FIG. 8, the light reflecting surface of the scan mirror 314 has an x-axis and a y-axis perpendicular to the x-axis, both of which are parallel to the light reflecting surface of the scan mirror 314. When the scanning mirror 314 is controlled to rotate, the scanning mirror 314 can be controlled to rotate around at least one of the x axis and the y axis, so that the scanning mirror 314 realizes one-dimensional scanning rotation and two-dimensional scanning rotation, which is beneficial to irradiating all areas of the target object with the light emitted by the emission module 310, and is beneficial to obtaining a complete 3D image of the target object.

Alternatively, in some embodiments, the scan frequency of the scan mirror 314 is greater than or equal to 1000Hz, such as 1100Hz, 1200Hz, 1300Hz, 1400Hz, 1500Hz, 1600Hz, 1700Hz, 1800Hz, 1900Hz, 2000Hz, and the like. And/or the rotation angle of the scanning mirror 314 is greater than or equal to 5 °, for example, may be 6 °, 9 °, 10 °, 15 °, 20 °, 25 °, 30 °, and the like. Therefore, the scanning frequency and the rotation angle of the scanning mirror 314 are controlled, so that the light emitted by the emission module 310 can be adjusted and irradiated to all areas of the target object, and a complete 3D image of the target object can be obtained.

In some embodiments, for any of the above embodiments, the field angle range of the receiving module 320 may be 60 ° to 180 °, such as 60 °, 70 °, 100 °, 120 °, 140 °, 160 °, 180 °, and so on. Thus, the receiving module 320 can receive the light reflected by different areas of the target object, which is beneficial to the TOF camera module 300 to realize the shooting with a larger field angle.

So far, the TOF module 300 of making a video recording that this disclosed embodiment provided, the angle of divergence based on the light of the equal light piece 312 transmission is less than the angle of divergence of the light that the light piece 311 sent, does benefit to the light beam that makes the transmission module 310 send and has less angle of divergence, and the homogeneity of light is good, and then does benefit to TOF module 300 and shoot high-quality 3D image for a long distance. Adjust the different regions that light launches to the target object through control light path adjusting part 313, make receiving module 320 receive the regional reflected light of corresponding of target object, adjust the whole area of waiting to shoot that light shines to the target object through light path adjusting part 313 until, so that receiving module 320 can receive the whole regional reflected light of waiting to shoot of target object, this is under the prerequisite of long-distance shooting, great angle of view shooting has been realized, still need not increase illuminating part 311's luminous power, do benefit to illuminating part 311 low-power consumption, low temperature work, this market competition and the user experience who has promoted TOF camera module.

In an embodiment of the disclosure, the control module is configured to: controlling the light path adjusting component 313 of the TOF camera module 300 to adjust the light rays to be emitted to different areas of the target object; obtaining sub 3D images corresponding to different regions of the target object according to the light reflected by the different regions of the target object received by the receiving module 320 of the TOF camera module 300; and fusing the plurality of sub-3D images to generate a 3D image of the target object.

In some embodiments, the control module, the transmitting module 310 and the receiving module 320 are separately disposed, the control module is connected to the transmitting module 310 through the transmitting connector 302, and the control module is connected to the receiving module 320 through the receiving connector 327. In other embodiments, the control modules include a first control module integrated with the transmit PCB 317 and the receive PCB 325 and a second control module coupled to the first control module via the transmit connector 302 or the receive connector 327. Illustratively, the control module may include a chip.

Further, in some embodiments, the control module is specifically configured to: acquiring an electrical signal converted by the receiving module 320 from the light reflected by different areas of the target object; and obtaining sub 3D images corresponding to different areas of the target object according to the electric signals obtained from the different areas of the target object and a flight time ranging method.

Specifically, the region to be photographed of the target object may be divided into a first region, a second region, a third region, … …, and an nth region, and the propagation direction of the light may be adjusted by the control module controlling the light path adjusting component 313, so that the light emitted from the emitting module 310 may irradiate any region of the target object until the region to be photographed is completely irradiated. Correspondingly, the image sensor 321 of the receiving module 320 converts the light reflected by different regions of the target object into electrical signals, and then the control module determines the sub 3D image of the corresponding region according to the electrical signals obtained by the different regions of the target object and a time-of-flight ranging method. And finally fusing the plurality of sub 3D images through an image fusion technology to generate a 3D image. Wherein, the time-of-flight ranging method refers to: the method comprises the steps of emitting light rays to a shot target object, receiving the light rays reflected back by the target object, determining depth information of the target object by calculating the time difference between the emitting time and the returning time of the light rays, and further determining a corresponding 3D image.

Fig. 9 is a schematic diagram illustrating a light emitting module 310 and a light receiving module 320 according to an exemplary embodiment of the present disclosure. In fig. 9, the divergence angle 304 of the light beam emitted by the emitting module 310 is smaller than the field angle 305 of the receiving module 320, and it can be understood that the area 306 of the target object irradiated by the emitting module 310 each time is smaller than the area 307 to be photographed of the target object. How the electronic device provided by the present disclosure generates a 3D image is further explained below in conjunction with fig. 7 and 9:

the region 307 to be photographed of the target object is divided into a first region, a second region, … …, and an nth region.

The control module controls the scanning mirror 314 of the emitting module 310 to rotate to a certain angle and stop, controls the light emitting element 311 to emit light, simultaneously receives light (starts exposure) by the image sensor 321 of the receiving module 320, forms light 303 with an emission angle smaller than 80 degrees after the light emitted by the light emitting element 311 passes through the light equalizing element 312, reflects the light to the scanning mirror 314 through the reflecting mirror 315, and reflects the light to the first area of the target object through the scanning mirror 314. The light is reflected to the image sensor 321 of the receiving module 320 through the first region of the target object, the image sensor 321 converts the collected light signal into an electrical signal, and the control module obtains the sub 3D image corresponding to the first region of the target object according to the electrical signal.

Similarly, the control module controls the scanning mirror 314 of the emission module 310 to rotate to another angle and stop, and repeats the above steps, so that the light emitted by the emission module 310 irradiates the second area of the target object, the image sensor 321 collects the corresponding optical signal and converts the non-electrical signal, and the control module obtains the sub 3D image corresponding to the second area of the target object according to the electrical signal.

And the like, until the region 307 to be shot of the target object is shot, forming a plurality of corresponding sub 3D images. And finally, the control module fuses the plurality of sub 3D images to generate a 3D image of the target object.

So far, the electronic device 200 provided by the embodiment of the present disclosure, based on the divergence angle of the light emitted by the light uniformizing element 312 being smaller than the divergence angle of the light emitted by the light emitting element 311, makes the light beam emitted by the emitting module 310 have a smaller divergence angle and the uniformity of the light is good, thereby facilitating the electronic device to shoot high-quality 3D images remotely. Adjust the different regions that light launches to the target object through control module control light path adjusting part 313, make receiving module 320 receive the regional reflected light that corresponds of target object and convert the signal of telecommunication into, until control light path adjusting part 313 makes light shine to the whole area of waiting to shoot of target object, so that receiving module 320 can receive the whole regional reflected light of waiting to shoot of target object and convert the signal of telecommunication into, and generate the 3D image based on these signals of telecommunication, this under the prerequisite of long-distance shooting, realized great angle of view and shot, still need not increase the luminous power of illuminating part 311, do benefit to illuminating part 311 low-power consumption, low temperature work, this market competitiveness and the user experience that have proposed electronic equipment.

Some embodiments of the present disclosure also provide a method for generating a 3D image, which is used for an electronic device, where the electronic device includes: TOF module of making a video recording, TOF module of making a video recording includes: the device comprises a transmitting module and a receiving module; the transmission module includes: the light path adjusting component is arranged on one side, from which light rays of the light equalizing piece are emitted, of the light-emitting piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece; a flow chart of a method of generating a 3D image according to an exemplary embodiment is shown with reference to the present disclosure shown in fig. 10. The method may comprise the steps of:

step 101, controlling the light path adjusting component to adjust the light to be emitted to different areas of the target object.

And 102, obtaining sub 3D images corresponding to different areas of the target object according to the light reflected by the different areas of the target object received by the receiving module.

And 103, fusing the plurality of sub 3D images to generate a 3D image of the target object.

In some embodiments, step 102 may include, but is not limited to, the following steps:

acquiring an electric signal converted by a receiving module from light rays reflected by different areas of a target object;

and obtaining sub 3D images corresponding to different areas of the target object according to the electric signals obtained from the different areas of the target object and a flight time ranging method.

Steps 101 to 103 can be referred to the description of relevant parts of the apparatus, and are not described herein again.

According to the 3D image generation method provided by the embodiment of the disclosure, the divergence angle of the light emitted by the light-equalizing piece is smaller than the emission angle of the light emitted by the light-emitting piece, so that the light beam emitted by the emission module has a smaller divergence angle and good uniformity of the light, and the electronic equipment is further facilitated to shoot a high-quality 3D image remotely. Adjust the different regions that light launches to the target object through control light path adjusting part, make the image sensor of receiving module group receive the regional reflected light of corresponding of target object and convert the signal of telecommunication into, make light shine to the whole area of waiting of target object to shoot until control light path adjusting part, so that image sensor can receive the whole regional reflected light of waiting to shoot of target object and convert the signal of telecommunication into, and generate the 3D image based on these signals of telecommunication, this under the prerequisite of long-distance shooting, realized great angle of vision and shot, still need not increase the luminous power of illuminating part, do benefit to illuminating part low-power consumption, low temperature work, this market competitiveness and the user experience that has provided electronic equipment.

Some embodiments of the present disclosure also provide a 3D image generating apparatus, for an electronic device, where the electronic device includes: TOF module of making a video recording, TOF module of making a video recording includes: the device comprises a transmitting module and a receiving module; the transmission module includes: the light path adjusting component is arranged on one side, from which light rays of the light equalizing piece are emitted, of the light-emitting piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece; referring to fig. 11, a block diagram of a 3D image generation apparatus according to an exemplary embodiment is shown in the present disclosure. The device includes:

and the control module 111 is used for controlling the light path adjusting component to adjust the light to be emitted to different areas of the target object.

The obtaining module 112 is configured to obtain sub 3D images corresponding to different areas of the target object according to the light reflected by the different areas of the target object received by the receiving module.

A generating module 113, configured to generate a 3D image according to the electric signals obtained from different regions of the target object.

In some embodiments, the obtaining module 112 includes:

and the acquisition unit is used for acquiring the electric signals converted by the receiving module from the light rays reflected by different areas of the target object.

And the obtaining unit is used for obtaining the sub 3D images corresponding to the different areas of the target object according to the electric signals obtained from the different areas of the target object and a flight time ranging method.

The utility model provides a generating device of 3D image, the angle of divergence of the light that is based on even light piece transmission is less than the angle of divergence of the light that the illuminating part sent, and this light that does benefit to make the emission module send has less angle of divergence, and the homogeneity of light is good, and then does benefit to the high-quality 3D image of long-distance shooting. Adjust the different regions that light launches to the target object through control module control light path adjusting part, make the image sensor of receiving module group receive the regional reflected light of corresponding of target object and convert the signal of telecommunication into, make light shine to the whole area of waiting to shoot of target object until control light path adjusting part, so that image sensor can receive the whole regional reflected light of waiting to shoot of target object and convert the signal of telecommunication into, and generate the 3D image based on these signals of telecommunication, this under the prerequisite of long-distance shooting, realized great angle of view and shot, still need not increase the luminous power of illuminating part, do benefit to illuminating part low-power consumption, low temperature work, this market competitiveness and the user experience that has provided electronic equipment.

FIG. 12 is a block diagram illustrating an electronic device according to an exemplary embodiment of the present disclosure. For example, the electronic device 1200 may be a smart phone, a computer, a digital broadcast terminal, a tablet device, a medical device, a fitness device, a personal digital assistant, etc., that includes a transmitting coil, a first magnetic sensor, and a second magnetic sensor in a device that adjusts audio parameters of an earpiece.

Referring to fig. 12, electronic device 1200 may include one or more of the following components: processing component 1202, memory 1204, power component 1206, multimedia component 1208, audio component 1210, input/output (I/O) interface 1212, sensor component 1214, and communications component 1216.

The processing component 1202 generally provides for overall operation of the electronic device 1200, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 1202 may include one or more processors 1220 to execute instructions. Further, the processing component 1202 can include one or more modules that facilitate interaction between the processing component 1202 and other components. For example, the processing component 1202 can include a multimedia module to facilitate interaction between the multimedia component 1208 and the processing component 1202.

The memory 1204 is configured to store various types of data to support operation at the electronic device 1200. Examples of such data include instructions for any application or method operating on the electronic device 1200, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1204 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 1206 provides power to the various components of the electronic device 1200. The power components 1206 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for the electronic device 1200.

The multimedia component 1208 includes a screen providing an output interface between the electronic device 1200 and the target object. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a target object. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.

Audio component 1210 is configured to output and/or input audio signals. For example, the audio assembly 1210 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 1200 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1204 or transmitted via the communication component 1216. In some embodiments, audio assembly 1210 further includes a speaker for outputting audio signals. In addition, the audio module 1210 may also be a headset as shown in fig. 1, and the processor MCU in the headset may implement the steps of the above method.

The I/O interface 1212 provides an interface between the processing component 1202 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc.

The sensor assembly 1214 includes one or more sensors for providing various aspects of state assessment for the electronic device 1200. For example, the sensor assembly 1214 may detect an open/closed state of the electronic device 1200, the relative positioning of components, such as a display screen and keypad of the electronic device 1200, the sensor assembly 1214 may also detect a change in the position of the electronic device 1200 or one of the components, the presence or absence of a target object in contact with the electronic device 1200, an orientation or acceleration/deceleration of the electronic device 1200, and a change in the temperature of the electronic device 1200.

The communications component 1216 is configured to facilitate communications between the electronic device 1200 and other devices in a wired or wireless manner. The electronic device 1200 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 1216 receives the broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communications component 1216 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the electronic device 1200 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components.

In an exemplary embodiment, there is also provided a computer-readable storage medium on which a program is stored, which when executed by the processor 1220, implements any one of the above-mentioned methods of generating a 3D image. The readable storage medium may be, among others, ROM, Random Access Memory (RAM), CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like.

For the method embodiments, since they substantially correspond to the apparatus embodiments, reference may be made to the apparatus embodiments for relevant portions of the description. The method embodiment and the device embodiment are complementary.

The above embodiments of the present disclosure may be complementary to each other without conflict.

The above description is only exemplary of the present disclosure and should not be taken as limiting the disclosure, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims

1. The utility model provides a module is made a video recording to TOF, its characterized in that, the module is made a video recording to TOF includes:

the transmission module includes: the light path adjusting component is arranged on the light emitting side of the light homogenizing piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece, and the light path adjusting component is used for adjusting the light to be emitted to different areas of the target object; and

2. The TOF camera module of claim 1, wherein the optical path adjustment assembly comprises: and the rotatable scanning mirror is used for receiving and reflecting the light rays emitted by the light homogenizing piece.

3. The TOF camera module of claim 2, wherein the optical path adjustment assembly further comprises: locate the speculum of one side is jetted out to the light of light equalizing part, the scanning mirror is located the light of speculum jets out one side, the speculum is used for with the warp the light that light equalizing part sent reflects extremely the scanning mirror.

4. The TOF camera module of claim 3 wherein the light reflecting surface of the scan mirror is parallel to the light reflecting surface of the mirror when the scan mirror is deactivated.

5. The TOF camera module of claim 3 wherein the light reflecting surface of the scan mirror rotates toward the light reflecting surface of the mirror.

6. The TOF camera module of claim 2 wherein the field of view of the receiving module is in the range of 60 ° to 180 °; and/or the presence of a gas in the gas,

7. The TOF camera module of claim 1 further comprising a stiffener, wherein the transmit module is disposed apart from the receive module, and wherein the transmit module and the receive module are disposed on the stiffener.

8. An electronic device, characterized in that the electronic device comprises the TOF camera module and the control module according to any one of claims 1 to 7;

9. The electronic device of claim 8, wherein the control module is specifically configured to: acquiring an electric signal converted by the receiving module from the light reflected by different areas of the target object; and obtaining the sub 3D images corresponding to different areas of the target object according to the electric signals obtained from different areas of the target object and a flight time ranging method.

10. A method for generating a 3D image, for use in an electronic device, the electronic device comprising: the module is made a video recording to TOF, the module is made a video recording to TOF includes: the device comprises a transmitting module and a receiving module; the transmission module includes: the light path adjusting component is arranged on the light emitting side of the light homogenizing piece; the divergence angle of the light emitted by the light-homogenizing piece is smaller than the emission angle of the light emitted by the light-emitting piece; the method comprises the following steps:

11. The method according to claim 10, wherein the obtaining sub 3D images corresponding to different regions of the target object according to the light reflected by the different regions of the target object received by the receiving module comprises:

12. A computer-readable storage medium, having stored thereon a program which, when executed by a processor, carries out the method of claim 10 or 11.