CN112653831B - Photographing terminal and photographing control method - Google Patents
Photographing terminal and photographing control method Download PDFInfo
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- CN112653831B CN112653831B CN201910969435.XA CN201910969435A CN112653831B CN 112653831 B CN112653831 B CN 112653831B CN 201910969435 A CN201910969435 A CN 201910969435A CN 112653831 B CN112653831 B CN 112653831B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/64—Computer-aided capture of images, e.g. transfer from script file into camera, check of taken image quality, advice or proposal for image composition or decision on when to take image
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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Abstract
The invention relates to a photographing terminal and a photographing control method, relates to the technical field of photographing terminals, and aims to solve the problem that the brightness of light detected by a photosensitive device is inaccurate when the photographing terminal is shielded in the prior art. The camera terminal comprises a processor, a photosensitive device, an infrared device, a distance sensor and a camera; the processor is used for acquiring the light brightness of a shooting area corresponding to the photographing terminal through the photosensitive device, acquiring a distance parameter between the photographing terminal and an object in the shooting area through the distance sensor if the light brightness meets a change condition corresponding to the current state of the infrared device, and controlling the infrared device to change the current state and take a picture through the camera if the distance parameter meets the change condition corresponding to the current state of the infrared device. According to the invention, whether the light brightness can represent the real brightness in the external environment can be verified again through the distance parameter after the light brightness is checked to meet the change condition, so that the control accuracy of the infrared device is improved.
Description
Technical Field
The invention relates to the technical field of photographing terminals, in particular to a photographing terminal and a photographing control method.
Background
Under the darker environment of light, the terminal of taking a picture generally has appurtenance for the terminal of taking a picture can still shoot clear video in the darker condition of light. A commonly used aid in capturing video may include, among other things, an infrared device, such as a camera terminal in a law enforcement recorder. The specific working process can be that the light sensing device detects the light intensity in the external environment, when the light intensity is smaller, the infrared device is controlled to be turned on, and if the light sensing device detects that the light intensity in the external environment is larger, the infrared device is controlled to be turned off.
However, when the camera terminal is blocked by an obstacle, the brightness of light of the external environment detected by the photosensitive device may be inaccurate due to the reflection of light, thereby causing a disturbance in controlling the infrared device.
For example, when the infrared device is in an open state, if the camera terminal is shielded by an obstacle, the obstacle will reflect the infrared light, since the infrared light encounters the obstacle during propagation and is diffusely reflected, and the distance is short, the infrared light density is larger in the shooting area, the light intensity of the external environment detected by the photosensitive device is larger, and the light intensity of the external environment detected by the photosensitive device is inaccurate, the infrared device is controlled to be turned off by mistake, when the infrared device is in a closed state, since the diffuse reflection of the infrared device does not exist, and meanwhile, the infrared device is shielded by a short-distance object, the photosensitive device detects that the light intensity of the shooting space is smaller, and the photosensitive device cannot obtain the real light intensity of the external environment, the infrared device is controlled to be turned on by mistake, after being turned on, the above process is repeated, and the infrared device is turned on and turned off repeatedly, until the obstacle in front of the lens disappears.
Disclosure of Invention
The invention provides a photographing terminal and a photographing control method, which are used for solving the problem that the brightness of light detected by a photosensitive device is inaccurate when the photographing terminal is shielded by an obstacle in the prior art.
In a first aspect, an embodiment of the present invention provides a camera terminal, including a processor, a photosensitive device, an infrared device, a distance sensor, and a camera;
the camera is used for taking pictures;
the distance sensor is used for detecting distance;
the photosensitive device is used for detecting the brightness of ambient light;
the infrared device is used for emitting infrared rays;
the processor is used for acquiring the light brightness of a shooting area corresponding to the photographing terminal through the photosensitive device, acquiring a distance parameter between the photographing terminal and an object in the shooting area through the distance sensor if the light brightness meets a change condition corresponding to the current state of the infrared device, and controlling the infrared device to change the current state and take a picture through the camera if the distance parameter meets the change condition corresponding to the current state of the infrared device.
The photographing terminal can firstly acquire the light brightness of a photographing area corresponding to the photographing terminal, detect whether the light brightness of a photographing environment meets the requirement that the infrared device changes the current state, and further determine whether the distance parameter meets the change condition corresponding to the current state of the infrared device according to the light brightness of the photographing area, namely whether a shielding object exists on the photographing terminal is considered, if the distance parameter meets the change condition corresponding to the current state of the infrared device, the light brightness acquired by the photosensitive device is the real light brightness of the external environment, the infrared device is controlled to change the current state, and the accuracy of controlling the change of the state of the infrared device is improved.
In one possible implementation, the processor is specifically configured to:
if the current state of the infrared device is a closing state, judging whether the light brightness of the shooting area is not greater than a starting threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device; or
If the current state of the infrared device is an opening state, judging whether the light brightness of the shooting area is not less than a closing threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device.
When the current state of the infrared device is the closed state, the photographing terminal can judge whether the light brightness of the photographing area is not larger than the starting threshold of the infrared device, namely, whether the light brightness in the environment is darker or not, if so, the light brightness in the environment is darker, and the light brightness is determined to meet the change condition corresponding to the current state of the infrared device. Or when the current state of the infrared device is the on state, the accuracy of light brightness judgment can be improved by comparing with the threshold value through judging whether the light brightness of the shooting area is not less than the off threshold of the infrared device, namely judging whether the light brightness in the environment is brighter, if so, indicating that the light brightness in the environment is brighter and determining that the light brightness meets the change condition corresponding to the current state of the infrared device.
In one possible implementation, the processor is specifically configured to:
judging whether the distance parameter represents a long-distance parameter or not;
if so, determining that the distance parameter meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device.
Above-mentioned photographic terminal, when the distance parameter shows remote parameter, the light luminance that photosensitive device acquireed can show real external environment, not because photographic terminal is sheltered from by object closely and makes the light luminance in the shooting region darker, if when the distance parameter does not show remote parameter, then the light luminance that photosensitive device acquireed can receive closely the object influence thereby can not show real external environment, confirm near-far distance through the distance parameter, can alleviate and lead to the inaccurate condition that leads to infrared device mistake to close the state to the starting condition that leads to photosensitive device to detect when photographic terminal is sheltered from by the barrier, or the condition that the mistake changes the starting condition to the closing condition.
In one possible implementation, the processor is specifically configured to:
if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter is a remote distance parameter; if the distance parameter fed back by the distance sensor is a second preset value, the distance parameter is a short-distance parameter; or
If the distance parameter fed back by the distance parameter is larger than the close-range threshold value, the distance parameter represents a long-distance parameter; and if the distance parameter fed back by the distance sensor is not larger than the close range threshold value, the distance parameter represents a close range parameter.
The camera terminal can judge whether the distance parameter represents the long-distance parameter or not through two modes, wherein the first mode is that if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter represents the long-distance parameter; if the distance parameter fed back by the distance sensor is the second preset value, the distance parameter is a close-range parameter, and the method can judge whether the distance parameter is close-range or long-range through the distance sensor, so that direct feedback is realized, the camera terminal can identify the first preset value or the second preset value, whether the distance parameter is close-range or long-range is directly obtained, and the processing difficulty of the camera terminal is simplified. In the second mode, when the distance value fed back by the distance parameter is judged whether to be larger than the close range threshold value, if so, the distance parameter represents the long distance parameter, and if not, the distance parameter represents the close range parameter, so that the close range threshold value can be set in the camera terminal according to different requirements, and the correction of the close range threshold value is more convenient.
In one possible implementation, the processor is specifically configured to:
if the light brightness of the shooting area does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged; or
And if the distance parameter does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged.
According to the photographing terminal, if the change condition corresponding to the current state of the infrared device is determined not to be met according to the light brightness and the distance parameter of the photographing area, namely the light brightness does not meet the change condition corresponding to the current state of the infrared device, or the light meets the change condition corresponding to the current state of the infrared device, but the distance parameter does not meet the change condition corresponding to the current state of the infrared device, the current state of the infrared device is kept unchanged, and the problem that the infrared device is controlled disorderly due to inaccurate light brightness detected by the photosensitive device when the photographing terminal is shielded by an obstacle is avoided.
In a second aspect, an embodiment of the present invention provides a photographing control method, where the method is applied to a camera terminal, and the method includes:
acquiring the light brightness of a shooting area corresponding to a shooting terminal through a photosensitive device;
if the light brightness meets the change condition corresponding to the current state of the infrared device, acquiring a distance parameter between the photographing terminal and an object in the photographing area through a distance sensor;
and if the distance parameter meets the change condition corresponding to the current state of the infrared device, controlling the infrared device to change the current state and taking pictures through the camera.
In a possible implementation manner, whether the light brightness meets a change condition corresponding to the current state of the infrared device is judged by the following method:
if the current state of the infrared device is a closing state, judging whether the light brightness of the shooting area is not greater than a starting threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device; or
If the current state of the infrared device is an opening state, judging whether the light brightness of the shooting area is not less than a closing threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device.
In a possible implementation manner, whether the distance parameter satisfies a change condition corresponding to the current state of the infrared device is determined by:
judging whether the distance parameter represents a long-distance parameter or not;
if yes, determining that the distance parameter meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device.
In one possible implementation, it is determined whether the distance variable represents a remote distance variable by:
if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter is a remote distance parameter; if the distance parameter fed back by the distance sensor is a second preset value, the distance parameter is a near distance parameter; or
If the distance parameter fed back by the distance parameter is larger than the close-range threshold value, the distance parameter represents a long-distance parameter; and if the distance parameter fed back by the distance sensor is not larger than the close range threshold value, the distance parameter represents a close range parameter.
In one possible implementation, the method further includes:
if the light brightness of the shooting area is determined not to meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged; or
And if the distance parameter is determined not to meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged.
In a third aspect, the present application further provides a storage medium, where instructions executed by a processor of an electronic device enable the electronic device to perform the photographing control method according to any two items of the first aspect.
In addition, for technical effects brought by any one implementation manner of the second aspect to the third aspect, reference may be made to technical effects brought by different implementation manners of the first aspect, and details are not described here.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention and are not to be construed as limiting the invention.
Fig. 1 is a schematic diagram illustrating a camera terminal for photographing a remote object according to the background art;
fig. 2 is a schematic diagram illustrating the operation of infrared ray propagation of an infrared device when a camera terminal is shielded by a short-distance object according to the background art;
fig. 3 is a schematic front view of a camera terminal according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of a photographing control method according to an embodiment of the present invention;
fig. 5 is a schematic overall flow chart of a first photographing control method according to an embodiment of the present invention;
fig. 6 is a block diagram of a camera terminal according to an embodiment of the present invention;
fig. 7 is a block diagram of another camera terminal according to an embodiment of the present invention.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Some of the words that appear in the text are explained below:
1. the term "camera terminal" in the embodiments of the present invention refers to any intelligent electronic device with a camera function, which is capable of operating according to a program and automatically processing a large amount of data at a high speed, and includes a law enforcement recorder, a mobile phone, a computer, a tablet, an intelligent terminal, a multimedia device, a streaming media device, and the like.
The application scenario described in the embodiment of the present invention is for more clearly illustrating the technical solution of the embodiment of the present invention, and does not form a limitation on the technical solution provided in the embodiment of the present invention, and it can be known by a person skilled in the art that with the occurrence of a new application scenario, the technical solution provided in the embodiment of the present invention is also applicable to similar technical problems. Wherein, in the description of the present invention, unless otherwise indicated, "a plurality" means.
In a normal shooting situation of an existing infrared camera terminal, such as the law enforcement recorder 10, as shown in fig. 1, when a distance h between the law enforcement recorder 10 and an object is relatively long, infrared light emitted by the infrared lamp 11 propagates along a straight line, and when the object is encountered, the infrared light is reflected, and the reflected light enters the lens 12 again to obtain an image. Since the density of the infrared light in the shooting space is relatively normal during normal shooting, the light intensity of the external environment detected by the photosensitive device is not greatly affected by the reflected infrared light.
However, enforcement recorder 10 is typically placed on the shoulder of the user and may be blocked by clothing, i.e., enforcement recorder 10 may be blocked by a close-range object, or, when enforcement recorder 10 is in use, may be flipped over on a table top, i.e., such that enforcement recorder 10 is blocked by a close-range object. Referring to fig. 2, the distance h between the law enforcement recorder 10 and the object is short, a shooting space is formed between the law enforcement recorder 10 and the object in a short distance, when the infrared lamp 11 is normally transmitted, the infrared lamp encounters the object in a short distance and performs short-distance diffuse reflection, at this time, due to the influence of reflected infrared rays, the light density in the shooting space is large, namely, the light intensity is large, so that the light intensity in the shooting space detected by the photosensitive device is large, and because the change of the light intensity is not caused by the external environment, the light brightness of the external environment detected by the photosensitive device is inaccurate, and the infrared device is controlled to malfunction under the influence of an inaccurate photosensitive device.
For example, when the infrared device is in an open state, the light intensity in the shooting area detected by the photosensitive device is increased, the infrared device is controlled to be closed, when the infrared device is in a closed state, the photosensitive device detects that the light intensity in the shooting space is smaller, the infrared device is controlled to be opened, and after the infrared device is opened, the above processes are repeated, so that the infrared device is controlled to be disordered.
The embodiment of the invention provides a photographing terminal and a photographing control method, which can consider the light brightness factor of a photographing area and also consider the distance parameter between the photographing terminal and an object in the photographing area corresponding to the photographing terminal, namely, the light brightness of the photographing area obtained by a photosensitive device can be further verified to represent the real light brightness in the external environment through the distance parameter, and when the two factors determine that the change condition corresponding to the retaining wall state of an infrared device is met, the infrared device can be controlled to change the current state, so that the problem that the infrared device is controlled disorderly due to the fact that the light brightness detected by the photosensitive device is inaccurate when the photographing terminal is shielded by a close-distance object can be avoided.
The embodiment of the invention provides a photographing control method, which is applied to a photographing terminal, wherein the photographing terminal comprises: the device comprises a processor, a photosensitive device 301, an infrared device 302, a distance sensor 303 and a camera 304, wherein the photosensitive device 301, the infrared device 302, the distance sensor 303 and the camera 304 are all connected with the processor. The camera terminal includes a housing, a processor is provided inside the housing, and a light sensing device 301, an infrared device 302, a distance sensor 303, and a camera 304 are provided on the housing, as shown in fig. 3.
The camera 304 is used for taking pictures; a distance sensor 303 for detecting a distance; a light sensing device 301 for detecting the brightness of ambient light; an infrared device 302 for emitting infrared rays; the processor is used for executing the photographing control method.
With respect to the above scenario, the following describes an embodiment of the present invention in further detail with reference to the drawings of the specification.
As shown in fig. 4, an embodiment of the present invention further provides a photographing control method, which specifically includes the following steps:
s401: and acquiring the light brightness of a shooting area corresponding to the photographing terminal through the photosensitive device.
S402: and if the light brightness meets the change condition corresponding to the current state of the infrared device, acquiring a distance parameter between the photographing terminal and an object in the photographing area through the distance sensor.
S403: and if the distance parameter meets the change condition corresponding to the current state of the infrared device, controlling the infrared device to change the current state and taking pictures through the camera.
As shown above, the photosensitive device obtains the light brightness S of the shooting area, when it is detected that the light brightness S of the shooting area reaches the change condition corresponding to the current state of the infrared device, the distance parameter h from the law enforcement recorder to the law enforcement recorder and the object in a close range is obtained through the distance sensor, and if the distance parameter h is determined to meet the change condition corresponding to the current state of the infrared device, that is, it indicates that the law enforcement recorder is not shielded by the object in a close range, the infrared device can be controlled to change the current state. For example, as shown in fig. 1, when the law enforcement recorder is not shielded by a close object, the brightness of the light in the shooting area obtained by the photosensitive device can represent the actual brightness of the light in the external environment. For another example, as shown in fig. 2, when the law enforcement recorder is shielded by a close-distance object, in this case, the detected distance parameter h may determine that the change condition corresponding to the current state of the infrared device is not satisfied, and at the same time, it also indicates that the brightness of the light acquired by the photosensitive device in the shooting area cannot represent the true brightness of the light in the external environment, and therefore, the condition is not satisfied for the infrared device to change the current state. Therefore, the problem that the control of the infrared device is disordered due to inaccurate brightness of light detected by the photosensitive device when the photographing terminal is shielded by a close-distance object can be solved.
In practical applications, when the camera terminal is used from a high light intensity to a low light intensity, for example, during a transition from day to night or suddenly enters a dark environment, the infrared device is turned off and turned on, and therefore, it is necessary to determine whether the light intensity is relatively low. When the camera terminal is used when the light brightness is changed from low to high, for example, during the process of changing from night to day, or suddenly enters a relatively bright environment from a dark environment, the initial state of the infrared device changes from the on state to the off state, and it is necessary to determine whether the light brightness is relatively high. In these two cases, the judgment criterion is different, so the present invention provides the following two ways according to the two cases.
In the embodiment of the invention, whether the change condition corresponding to the current state of the infrared device is met is judged by the following method I:
judging whether the light brightness meets the change condition corresponding to the current state of the infrared device or not by the following modes:
the first condition is as follows: if the current state of the infrared device is a closing state, judging whether the light brightness of the shooting area is not greater than the starting threshold of the infrared device;
if so, determining that the light brightness meets the change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device.
The above method is to determine whether the light brightness of the shooting area is not greater than the start threshold of the infrared device when the current state of the infrared device is the off state, that is, if the light brightness of the shooting area is smaller than or equal to the start threshold of the infrared device when the light brightness of the shooting area is smaller than the start threshold, it indicates that the infrared device is required to enhance the light brightness of the shooting area, so as to meet the shooting condition of the camera terminal. Otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device, which can be understood as that the light brightness in the shooting area does not meet the condition for changing the infrared device from the off state to the on state.
And a second condition: if the current state of the infrared device is an opening state, judging whether the light brightness of the shooting area is not less than a closing threshold of the infrared device;
if so, determining that the light brightness meets the change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device.
The method is that when the current state of the infrared device is in the opening state, whether the change condition corresponding to the current state of the infrared device is met or not is judged, and therefore whether the infrared device is changed from the opening state to the closing state or not can be controlled. And judging whether the light brightness of the shooting area is not less than the closing threshold of the infrared device, namely if the light brightness of the shooting area is larger than the closing threshold of the infrared device, indicating that the light brightness of the shooting area is not required to be enhanced by the infrared device, and the shooting condition of the camera terminal can be met. Otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device, and understanding that the light brightness in the shooting area does not meet the condition for changing the infrared device from the open state to the closed state.
It should be noted that, the manner for determining whether the light brightness satisfies the change condition corresponding to the current state of the infrared device recited in the embodiment of the present invention is only an example, and any manner for determining whether the light brightness satisfies the change condition corresponding to the current state of the infrared device is applicable to the embodiment of the present invention.
In the embodiment of the invention, whether the distance parameter meets the change condition corresponding to the current state of the infrared device is judged by the following modes:
judging whether the distance parameter represents a long-distance parameter or not;
if so, determining that the distance parameter meets the change condition corresponding to the current state of the infrared device;
otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device.
Specifically, whether the distance parameter represents a remote parameter or not is judged, that is, whether the photographing terminal is shielded by a close-distance object or not is judged, if the distance parameter represents the remote parameter, that is, the photographing terminal is not shielded by the close-distance object, and the light brightness of the photographing area obtained by the photosensitive device can represent the real light brightness in the external environment, the change condition corresponding to the current state of the infrared device is met, and the state of the infrared device can be controlled to be in an open state.
Otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device. The condition that the distance parameter of the shooting area does not meet the condition that the infrared device is changed from the off state to the on state can be understood.
In an embodiment of the present invention, the method further comprises:
if the light brightness of the shooting area does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged; or
And if the distance parameter does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged.
In detail, when the current state of the infrared device is the off state, if the brightness of the light in the shooting area is greater than the start threshold of the infrared device, the off state of the infrared device is kept unchanged. Or when the current state of the infrared device is a closed state, if the light brightness of the shooting area is not greater than the starting threshold of the infrared device, but the distance parameter of the shooting area represents a close-range parameter, keeping the closed state of the infrared device unchanged.
And when the current state of the infrared device is an opening state, if the light brightness of the shooting area is smaller than the closing threshold of the infrared device, keeping the opening state of the infrared device unchanged. Or when the current state of the infrared device is an open state, if the light brightness of the shooting area is not less than the close threshold of the infrared device, but the distance parameter of the shooting area represents a close-range parameter, keeping the open state of the infrared device unchanged.
In the embodiment of the invention, whether the distance parameter represents the remote parameter is judged by the following modes:
the implementation mode is as follows: if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter is a remote distance parameter; and if the distance parameter fed back by the distance sensor is a second preset value, the distance parameter is a short-distance parameter.
Specifically, the first preset value may be 5, the second preset value may be 0, the distance sensor compares a distance between the camera terminal and an object in a shooting area corresponding to the camera terminal with a threshold value, when the distance value is smaller than the threshold value, the distance parameter fed back by the distance sensor is the second preset value 0, which indicates that the distance parameter is a short-distance parameter, and when the distance value is larger than the threshold value, the distance parameter fed back by the distance sensor is the first preset value 5, which indicates that the distance parameter is a long-distance parameter.
The first preset value is 5, the second preset value is 0, which is only exemplary, and the first preset value may also be 1, and the second preset value is 0, only the first preset value and the second preset value are defined as different values, and the present invention is not limited to a specific value of the first preset value and the second preset value.
The implementation mode two is as follows: if the distance parameter fed back by the distance parameter is larger than the close-distance threshold value, the distance parameter represents a long-distance parameter; and if the distance parameter fed back by the distance sensor is not larger than the close range threshold value, the distance parameter represents a close range parameter.
It can be understood that the distance sensor detects the distance value from the camera terminal to the object in the shooting area corresponding to the camera terminal as the distance parameter feedback, and the camera terminal applied by the method of the present invention determines the distance value and the short distance threshold value, so as to determine whether the objects in the shooting area corresponding to the camera terminal are close or far. Specifically, when judging whether the distance parameter is larger than the short-distance threshold value, if so, the distance parameter represents the long-distance parameter; if not, namely the distance parameter fed back by the distance sensor is not larger than the close distance threshold value, the distance parameter represents the close distance parameter.
It should be noted that the manner of determining whether the distance parameter represents the remote distance parameter recited in the embodiment of the present invention is merely an example, and any manner of determining whether the distance parameter represents the remote distance parameter is applicable to the embodiment of the present invention.
For easier understanding, the photographing control method provided in the embodiments of the present application is described in detail below by three specific embodiments.
In one embodiment, as shown in FIG. 5, the method comprises the steps of:
step S501: and if the current state of the infrared device is the closed state, acquiring the light brightness of a shooting area corresponding to the photographing terminal through the photosensitive device.
Step S502: and judging whether the light brightness of the shooting area is not greater than the starting threshold of the infrared device, if so, executing the step S503, and if not, executing the step S504.
Step S503: a distance parameter between the photographing terminal and an object in the photographing area is acquired through a distance sensor.
Step S504: and keeping the state of the infrared device in an off state.
Step S505: and judging whether the distance parameter represents a long-distance parameter. If yes, step S506 is performed, and if no, step S504 is performed.
Step S506: and controlling the state of the infrared device to be an opening state.
Step S507: and if the current state of the infrared device is the opening state, acquiring the light brightness of a shooting area corresponding to the photographing terminal through the photosensitive device.
Step S508: and judging whether the light brightness of the shooting area is not less than the closing threshold of the infrared device, if so, executing step 509, and if not, executing step 510.
Step S509: a distance parameter between the photographing terminal and an object in the photographing area is acquired through a distance sensor.
Step S510: the state of the infrared device is kept to be an opening state.
Step S511: and judging whether the distance parameter represents a long-distance parameter. If yes, step S512 is performed, and if no, step S510 is performed.
Step S512: and controlling the state of the infrared device to be an off state.
Fig. 6 is a block diagram of a camera terminal 600 according to an embodiment of the present invention, which includes a processor 601, a photosensitive device 301, an infrared device 302, a distance sensor 303, and a camera 304; wherein, the photosensitive device 301, the infrared device 302, the distance sensor 303 and the camera 304 are all connected with the processor 601.
The camera 304 is used for taking pictures; wherein, the photographing can be a photo or a video.
The distance sensor 303 is configured to detect a distance;
the photosensitive device 301 is used for detecting the brightness of ambient light;
the infrared device 302 is used for emitting infrared rays;
the processor 601 is configured to obtain light brightness of a shooting area corresponding to the camera terminal through the photosensitive device, obtain a distance parameter between the camera terminal and an object in the shooting area through the distance sensor if the light brightness meets a change condition corresponding to a current state of the infrared device, and control the infrared device to change the current state and take a picture through the camera if the distance parameter meets the change condition corresponding to the current state of the infrared device.
In this embodiment of the present invention, the processor 601 is specifically configured to:
if the current state of the infrared device is a closed state, judging whether the light brightness of the shooting area is not greater than a starting threshold of the infrared device or not;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device; or
If the current state of the infrared device is an opening state, judging whether the light brightness of the shooting area is not less than a closing threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device.
In this embodiment of the present invention, the processor 601 is specifically configured to:
judging whether the distance parameter represents a long-distance parameter or not;
if yes, determining that the distance parameter meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device.
In this embodiment of the present invention, the processor 601 is specifically configured to:
if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter is a remote distance parameter; if the distance parameter fed back by the distance sensor is a second preset value, the distance parameter is a near distance parameter; or
If the distance parameter fed back by the distance parameter is larger than the close-distance threshold value, the distance parameter represents a long-distance parameter; and if the distance parameter fed back by the distance sensor is not larger than the close range threshold value, the distance parameter represents a close range parameter.
In this embodiment of the present invention, the processor 601 is specifically configured to:
if the light brightness of the shooting area does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged; or
And if the distance parameter does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged.
In an exemplary embodiment, there is also provided a storage medium comprising instructions, such as a memory comprising instructions, executable by the processor 601 of the camera terminal 600 to perform the above-described method. Alternatively, the storage medium may be a non-transitory computer readable storage medium, which may be, for example, a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Besides the above elements, the camera terminal can also comprise a locator, a recorder and an interphone which are all connected with the processor.
The positioner is used for positioning. This may enable the user to find the action track of the user carrying the law enforcement recorder on the law enforcement recorder. The locator can be a Beidou locator or a GPS (Global Positioning System) locator.
The recorder is used for recording.
The interphone is used for communication, so that information can be exchanged between users wearing the law enforcement recorder at the same time.
The camera terminal may include other devices in addition to the camera terminal according to any one of the above embodiments, and the structure thereof is shown in fig. 7, and an embodiment of the present invention provides a camera terminal 700 including: radio Frequency (RF) circuit 710, power supply 720, processor 730, memory 740, input unit 750, display unit 760, camera 770, communication interface 780, and Wireless Fidelity (Wi-Fi) module 790. Those skilled in the art will appreciate that the configuration of the terminal shown in fig. 7 is not intended to be limiting, and that the terminal provided by the embodiments of the present application may include more or less components than those shown, or some components may be combined, or a different arrangement of components may be provided.
The respective constituent elements of the camera terminal 700 will be described in detail below with reference to fig. 7:
the RF circuit 710 may be used for receiving and transmitting data during a communication or conversation. Specifically, the RF circuit 710 sends the downlink data of the base station to the processor 730 for processing after receiving the downlink data; and in addition, sending the uplink data to be sent to the base station. Generally, the RF circuit 710 includes, but is not limited to, an antenna, at least one Amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
In addition, the RF circuit 710 may also communicate with a network and other terminals through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to Global System for Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), email, Short Messaging Service (SMS), and the like.
The Wi-Fi technology belongs to a short-distance wireless transmission technology, and the camera terminal 700 may connect to an Access Point (AP) through a Wi-Fi module 790, thereby implementing Access to a data network. The Wi-Fi module 790 may be used for receiving and transmitting data during communication.
The camera terminal 700 may be physically connected with other terminals through the communication interface 780. Optionally, the communication interface 780 is connected to the communication interface of the other terminal through a cable, so as to implement data transmission between the camera terminal 700 and the other terminal.
Since the camera terminal 700 can implement a communication service to send information to other contacts in this embodiment, the camera terminal 700 needs to have a data transmission function, that is, the camera terminal 700 needs to include a communication module therein. Although fig. 7 illustrates communication modules such as the RF circuit 710, the Wi-Fi module 790, and the communication interface 780, it is understood that at least one of the above-described components or other communication modules (e.g., a bluetooth module) for implementing communication exist in the camera terminal 700 for data transmission.
For example, when the camera terminal 700 is a mobile phone, the camera terminal 700 may include the RF circuit 710 and may further include the Wi-Fi module 790; when the camera terminal 700 is a computer, the camera terminal 700 may include the communication interface 780 and may further include the Wi-Fi module 790; when the camera terminal 700 is a tablet computer, the camera terminal 700 may include the Wi-Fi module.
The memory 740 may be used to store software programs and modules. The processor 730 executes various functional applications and data processing of the camera terminal 700 by executing software programs and modules stored in the memory 740, and may implement part or all of the processes in fig. 4 according to the embodiments of the present invention when the processor 730 executes the program codes in the memory 740.
Alternatively, the memory 740 may mainly include a program storage area and a data storage area. The storage program area can store an operating system, various application programs (such as communication application), a face recognition module and the like; the storage data area may store data (such as various multimedia files like pictures, video files, etc., and face information templates) created according to the use of the terminal, etc.
In addition, the memory 740 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The input unit 750 may be used to receive numeric or character information input by a user and generate key signal inputs related to user settings and function control of the photographing terminal 700.
Alternatively, the input unit 750 may include a touch panel 751 and other input terminals 752.
The touch panel 751, also referred to as a touch screen, can collect touch operations of a user (such as a user's operation of a finger, a stylus, or any other suitable object or accessory on or near the touch panel 751) and drive a corresponding connection device according to a preset program. Alternatively, the touch panel 751 may include two portions, a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 730, and receives and executes commands sent by the processor 730. In addition, the touch panel 751 may be implemented in various types, such as resistive, capacitive, infrared, and surface acoustic wave.
Optionally, the other input terminals 752 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 760 may be used to display information input by a user or information provided to the user and various menus of the photographing terminal 700. The display unit 760 is a display system of the camera terminal 700, and is used for presenting an interface to implement human-computer interaction.
The display unit 760 may include a display panel 761. Alternatively, the Display panel 761 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
Further, the touch panel 751 can cover the display panel 761, and when the touch panel 851 detects a touch operation thereon or nearby, the touch panel is transmitted to the processor 730 to determine the type of the touch event, and then the processor 730 provides a corresponding visual output on the display panel 761 according to the type of the touch event.
Although in fig. 7, the touch panel 751 and the display panel 761 are implemented as two separate components to implement the input and output functions of the camera terminal 700, in some embodiments, the touch panel 751 and the display panel 761 may be integrated to implement the input and output functions of the camera terminal 700.
The processor 730 is a control center of the camera terminal 700, connects various components using various interfaces and lines, performs various functions of the camera terminal 700 and processes data by running or executing software programs and/or modules stored in the memory 740 and calling data stored in the memory 740, thereby implementing various services based on the terminal.
Optionally, the processor 730 may include one or more processing units. Optionally, the processor 730 may integrate an application processor and a modem processor, wherein the application processor mainly processes an operating system, a user interface, an application program, and the like, and the modem processor mainly processes wireless communication. It will be appreciated that the modem processor described above may not be integrated into the processor 730.
The camera 770 is used to implement the shooting function of the camera terminal 700 and shoot pictures or videos. The camera 770 may also be used to implement a scanning function of the camera terminal 700 to scan a scanned object (two-dimensional code/barcode). The camera 770 in the embodiment of the present invention is the same as the camera 304 in fig. 6 and fig. 3.
The camera terminal 700 further includes a power supply 720 (such as a battery) for supplying power to the respective components. Optionally, the power supply 720 may be logically connected to the processor 730 through a power management system, so as to implement functions of managing charging, discharging, power consumption, and the like through the power management system.
It is to be noted that, according to the embodiment of the present invention, the processor 730 can execute the processor 601 in fig. 6, and the memory 740 stores the contents of the processor 601.
An embodiment of the present invention further provides a computer program product, which, when running on an electronic device, enables the electronic device to execute a photographing control method that may be involved in implementing any of the above-mentioned embodiments of the present invention.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (6)
1. A camera terminal is characterized by comprising a processor, a photosensitive device, an infrared device, a distance sensor and a camera; wherein, the camera terminal is applied to a law enforcement recorder;
the camera is used for taking a picture;
the distance sensor is used for detecting distance;
the photosensitive device is used for detecting the brightness of ambient light;
the infrared device is used for emitting infrared rays;
the processor is used for acquiring the light brightness of a shooting area corresponding to the photographing terminal through the photosensitive device, acquiring a distance parameter between the photographing terminal and an object in the shooting area through the distance sensor if the light brightness meets a change condition corresponding to the current state of the infrared device, and controlling the infrared device to change the current state and take a picture through the camera if the distance parameter meets the change condition corresponding to the current state of the infrared device;
the processor is specifically configured to:
if the current state of the infrared device is a closing state, judging whether the light brightness of the shooting area is not greater than a starting threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device; or
If the current state of the infrared device is an opening state, judging whether the light brightness of the shooting area is not less than a closing threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device;
the processor is specifically configured to:
judging whether the distance parameter represents a long-distance parameter or not;
if so, determining that the distance parameter meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device.
2. The camera terminal according to claim 1, wherein the processor is specifically configured to:
if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter is a remote distance parameter; if the distance parameter fed back by the distance sensor is a second preset value, the distance parameter is a near distance parameter; or
If the distance parameter fed back by the distance parameter is larger than the close-range threshold value, the distance parameter represents a long-distance parameter; and if the distance parameter fed back by the distance sensor is not greater than the close distance threshold value, the distance parameter represents a close distance parameter.
3. The camera terminal according to claim 1 or 2, wherein the processor is specifically configured to:
if the light brightness of the shooting area does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged; or
And if the distance parameter does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged.
4. A photographing control method is applied to a photographing terminal, and the method comprises the following steps: wherein, the camera terminal is applied to a law enforcement recorder;
acquiring the light brightness of a shooting area corresponding to the shooting terminal through a photosensitive device;
if the light brightness meets the change condition corresponding to the current state of the infrared device, acquiring a distance parameter between the photographing terminal and an object in the photographing area through a distance sensor;
if the distance parameter meets the change condition corresponding to the current state of the infrared device, controlling the infrared device to change the current state, and taking a picture through a camera;
judging whether the light brightness meets the change condition corresponding to the current state of the infrared device or not through the following modes:
if the current state of the infrared device is a closing state, judging whether the light brightness of the shooting area is not greater than a starting threshold of the infrared device;
if so, determining that the light brightness meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device; or
If the current state of the infrared device is an opening state, judging whether the light brightness of the shooting area is not less than a closing threshold of the infrared device;
if yes, determining that the light brightness meets the change condition corresponding to the current state of the infrared device;
otherwise, determining that the light brightness does not meet the change condition corresponding to the current state of the infrared device;
judging whether the distance parameter meets a change condition corresponding to the current state of the infrared device or not by the following mode:
judging whether the distance parameter represents a long-distance parameter or not;
if so, determining that the distance parameter meets a change condition corresponding to the current state of the infrared device;
otherwise, determining that the distance parameter does not meet the change condition corresponding to the current state of the infrared device.
5. The photographing control method according to claim 4, wherein it is judged whether the distance parameter represents a long-distance parameter by:
if the distance parameter fed back by the distance sensor is a first preset value, the distance parameter is a remote distance parameter; if the distance parameter fed back by the distance sensor is a second preset value, the distance parameter is a near distance parameter; or
If the distance parameter fed back by the distance parameter is larger than the close-range threshold value, the distance parameter represents a long-distance parameter; and if the distance parameter fed back by the distance sensor is not larger than the close range threshold value, the distance parameter represents a close range parameter.
6. The photographing control method according to claim 4 or 5, wherein the method further comprises:
if the light brightness of the shooting area does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged; or
And if the distance parameter does not meet the change condition corresponding to the current state of the infrared device, keeping the current state of the infrared device unchanged.
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| CN105827938A (en) * | 2015-09-17 | 2016-08-03 | 维沃移动通信有限公司 | Photographing method and terminal |
| CN105841025A (en) * | 2016-03-25 | 2016-08-10 | 深圳市好时达电器有限公司 | Intelligent table lamp and system thereof |
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Address after: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee after: Qingdao Hisense Mobile Communication Technology Co.,Ltd. Address before: 266071 Shandong city of Qingdao province Jiangxi City Road No. 11 Patentee before: HISENSE MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |