CN105915803B - Photographing method and system based on sensor - Google Patents

Photographing method and system based on sensor Download PDF

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Publication number
CN105915803B
CN105915803B CN201610415546.2A CN201610415546A CN105915803B CN 105915803 B CN105915803 B CN 105915803B CN 201610415546 A CN201610415546 A CN 201610415546A CN 105915803 B CN105915803 B CN 105915803B
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distance
sensor
inclination angle
preset
shutter
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CN105915803A (en
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林俊兰
公茂林
刘冠琛
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Xiamen Luan Chuang Technology Co ltd
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Huizhou TCL Mobile Communication Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/66Remote control of cameras or camera parts, e.g. by remote control devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/617Upgrading or updating of programs or applications for camera control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/64Computer-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

Abstract

The invention discloses a photographing method and system based on a sensor, wherein the method comprises the following steps: when the photographing mode is entered, starting the sensor and acquiring the distance of an object in front of the sensor in real time; and comparing the distance with a preset distance threshold, and triggering a shutter to take a picture when the distance is smaller than the preset threshold. According to the invention, the intelligent terminal is controlled to take a picture according to the distance of the object in front of the sensor, so that a user can take a picture by a method close to the shutter, thereby effectively preventing a blurred picture from being taken due to the shake of the shutter caused by pressing the photographing shutter during photographing, increasing the imaging stability of photographing and improving the visual effect of the picture.

Description

Photographing method and system based on sensor
Technical Field
The invention relates to the technical field of terminals, in particular to a photographing method and system based on a sensor.
Background
Along with the continuous development of intelligent terminal, it becomes the indispensable function of intelligent terminal to shoot. At present, in the process of taking a picture by using an intelligent terminal, the traditional method needs to accurately click a picture taking button, and the method has a lot of inconveniences: when the clicking force is large, the mobile phone generates vibration to cause image blurring; limited location of the click, etc. In order to solve the above problem, a noncontact method is also used. At present, the following several non-contact modes are generally adopted to realize mobile phone photographing: (1) recognizing the gesture; (2) voice recognition; (3) external devices such as a selfie stick. The gesture recognition method requires a user to keep a certain posture, and the voice recognition method requires clear recognition of voice information, so that the reliability is not high; and external devices such as a selfie stick increase the cost of taking pictures.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a photographing method and system based on a sensor, aiming at the defects of the prior art, so as to solve the problem that the existing terminal shakes by clicking a photographing shutter, which causes a blurred picture to be taken.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a photographing method based on a sensor applies an intelligent terminal provided with the sensor, and comprises the following steps:
when the photographing mode is entered, starting the sensor and acquiring the distance of an object in front of the sensor in real time;
and comparing the distance with a preset distance threshold, and triggering a shutter to take a picture when the distance is smaller than the preset threshold.
The photographing method based on the sensor, wherein when entering the photographing mode, starting the sensor and detecting the distance of the object in front of the sensor in real time specifically comprises:
when entering a photographing mode, starting a sensor;
the method comprises the steps of obtaining the distance of an object in front detected by a sensor and the inclination angle of an intelligent terminal in real time, wherein the distance corresponds to the inclination angle one to one.
The photographing method based on the sensor comprises the steps of comparing the distance with a preset distance threshold value, and triggering a shutter to photograph when the distance is smaller than the preset threshold value.
Comparing the distance to a preset distance threshold;
when the distance is smaller than a preset distance threshold value, acquiring image data;
and adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
The sensor-based photographing method, wherein the adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to photograph specifically includes:
comparing the inclination angle corresponding to the distance with a preset angle threshold;
and if the inclination angle is smaller than a preset angle threshold value, adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
The sensor-based photographing method, wherein the adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to photograph further comprises:
and if the inclination angle is larger than or equal to a preset angle threshold value, triggering the shutter to take a picture.
A sensor-based photographing system employing a smart terminal having a sensor, comprising:
the acquisition module is used for starting the sensor and acquiring the distance of an object in front of the sensor in real time when the photographing mode is started;
and the execution module is used for comparing the distance with a preset distance threshold value, and triggering the shutter to take a picture when the distance is smaller than the preset threshold value.
The sensor-based photographing system, wherein the acquisition module comprises:
the starting unit is used for starting the sensor when the photographing mode is entered;
the first acquisition unit is used for acquiring the distance of an object in front of the first acquisition unit detected by the sensor in real time;
and the second acquisition unit is used for acquiring the inclination angle of the intelligent terminal in real time.
The sensor-based photographing system, wherein the execution module comprises:
a comparison unit for comparing the distance with a preset distance threshold;
a third obtaining unit, configured to obtain image data when the distance is smaller than a preset distance threshold;
and the execution unit is used for adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
The photographing system based on the sensor, wherein the execution unit specifically comprises:
the comparison subunit is used for comparing the inclination angle corresponding to the distance with a preset angle threshold;
and the first execution subunit is used for adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture when the inclination angle is smaller than a preset angle threshold.
The photographing system based on the sensor, wherein the execution unit further comprises:
and the second execution subunit is used for triggering the shutter to take a picture when the inclination angle is greater than or equal to a preset angle threshold value.
Has the advantages that: compared with the prior art, the invention provides a photographing method and system based on a sensor, wherein the method comprises the following steps: when the photographing mode is entered, starting the sensor and acquiring the distance of an object in front of the sensor in real time; and comparing the distance with a preset distance threshold, and triggering a shutter to take a picture when the distance is smaller than the preset threshold. According to the invention, the intelligent terminal is controlled to take a picture according to the distance of the object in front of the sensor, so that a user can take a picture by a method close to the shutter, thereby effectively preventing a blurred picture from being taken due to the shake of the shutter caused by pressing the photographing shutter during photographing, increasing the imaging stability of photographing and improving the visual effect of the picture.
Drawings
Fig. 1 is a flow chart of a preferred implementation of the sensor-based photographing method provided by the present invention.
Fig. 2 is a schematic structural diagram of a photographing system based on a sensor according to the present invention.
Detailed Description
The invention provides a photographing method and system based on a sensor, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention will be further explained by the description of the embodiments with reference to the drawings.
Referring to fig. 1, fig. 1 is a flowchart illustrating a photographing method based on a sensor according to a preferred embodiment of the present invention. The method comprises the following steps:
s100, when the photographing mode is started, starting the sensor and acquiring the distance of the object in front of the sensor in real time.
Specifically, the method applies to an intelligent terminal with a sensor, such as a mobile phone, an ipod, and the like. The sensor can be a proximity sensor, a gesture sensor and the like which can measure the distance of an object. The proximity sensor is a sensor that measures the light reflected from an object after emitting infrared rays, thereby obtaining the distance to the object. When sensing the distance, the distance is generally sensed in two ways, the first way is to sense the distance by judging the intensity of infrared light reflected by an object; the second is to calculate the distance by time interval by measuring the time from the emission of the infrared light pulse to the reflection back by the object. In practical application, because the camera of the intelligent terminal has a certain field angle range, the camera of the intelligent terminal and the distance sensor are separately arranged in order to avoid the situation that a shielding object enters the field angle in the use process.
The photographing mode refers to that a user starts a camera of the intelligent terminal to photograph, and can start a front camera or a rear camera. When the intelligent terminal is started, the intelligent terminal automatically starts the sensor. Further, when the photographing mode is entered, a detection process may be included before the sensor is started, where the detection process is to detect whether the photographing function is controlled by the sensor to be started, and if the photographing function is started, the sensor is started when the photographing mode is entered, and the sensor is prompted to control that photographing is started. If the function is closed, when the photographing mode is entered, the sensor is not started, the user is prompted to control the photographing to be closed by the sensor, and the user is asked to photograph through the photographing key. In practical application, when a user accesses the intelligent terminal to the selfie stick for self-photographing, the photographing function of the sensor can be automatically closed, so that the energy consumption in the photographing process can be reduced, the standby time of the intelligent terminal is prolonged, and convenience is brought to the use of the user.
Further, in order to facilitate the user to take a picture, a picture taking indication icon (for example, a finger-shaped picture) may be designed in the picture taking interface of the intelligent terminal, and the picture taking indication icon is used for indicating the user to take a picture in a manner that a finger is close to the indication icon.
S200, comparing the distance with a preset distance threshold, and triggering a shutter to take a picture when the distance is smaller than the preset threshold.
Specifically, the distance threshold is an effective shooting distance of the camera set by the intelligent terminal, and is used for starting conditions of the camera. The intelligent terminal prestores default distance threshold values of the system in a factory, such as 50mm and 80 mm. Of course, the distance threshold may also be an effective photographing distance of the intelligent terminal set by the user in a self-defined manner. In this embodiment, when the user defines the distance threshold, a default preset value is adopted. It should be noted that, since the proximity sensor has a certain sensing distance, the preset distance threshold value cannot be greater than the sensing distance of the proximity sensor, and when the distance threshold value is greater than the sensing distance of the proximity sensor, the distance sensed by the proximity sensor is necessarily less than the distance threshold value in the photographing process, so that the function of photographing according to the distance control cannot be performed.
Further, different proximity sensors may be used for different intelligent terminals, and different proximity sensors may sense objects in different ranges according to different sensing accuracies of the proximity sensors, for example, when the sensing accuracy of the proximity sensor is 150mm, the proximity sensor may sense an object in a spherical range with the proximity sensor as a center of a sphere and the radius of 150 mm. Therefore, when the user sets the distance threshold, the value range of the distance threshold can be displayed, and when the set value of the user exceeds a set upper limit (e.g., 150 mm), the setting is regarded as invalid, and the maximum upper limit of the distance threshold is prompted.
Further, after the proximity sensor senses the distance of the object in front of the proximity sensor, the distance is compared with a preset distance threshold value, and the camera is controlled to shoot according to the comparison result. Here, the distance is a distance that the sensor senses an object in front of the sensor, and meanwhile, the distance is a distance that the object senses when staying in front of the sensor. Before comparing the distance with the distance threshold, there is a distance determining process, which may specifically be: when the distance sensed by the sensor is acquired, comparing the distance with the distance acquired last time, and if the distance is different from the distance acquired last time, continuously acquiring the distance sensed by the sensor; if the distance is the same as the distance obtained last time, comparing the distance with a preset distance threshold. Therefore, the accuracy of photographing according to the sensing distance can be improved.
Further, in this embodiment, the distance sensed by the sensor is obtained in real time, so that the difference between the currently obtained distance and the previously obtained distance may be very small, and it cannot be accurately determined whether the currently obtained distance is the same as the previously obtained distance. Therefore, in the modified embodiment of this embodiment, after the distance from the sensor to the object in front is obtained, the distance from the sensor to the object in front can be obtained at intervals of the preset time, the currently obtained distance is compared with the distance obtained last time, if the distances are the same, the current distance is compared with the preset distance threshold, and if the current distance is adopted, the previous distance is updated, and the distance from the sensor to the object in front is continuously obtained. The preset time may be 1 second, 0.5 second, etc. The setting can be the default setting of the system or the setting of the user through a setting interface according to the requirement. That is, when the object in front of the sensor stays in front of the sensor for a certain time, the photographing is performed. Therefore, the problem of mistaken photographing caused by other actions such as swinging hands and the like in the using process of the user can be avoided.
In another embodiment of the present invention, when the user approaches the sensor with the fingers, the intelligent terminal is supported by two hands, and then becomes a one-hand-supported intelligent terminal, so that the intelligent terminal may shake during the process that the user approaches the sensor with the fingers. In order to reduce the effect of said jitter on the picture. The method may include the following processes:
s10, when the photographing mode is entered, the sensor is activated.
S20, obtaining the distance of the front object detected by the sensor and the inclination angle of the intelligent terminal in real time, wherein the distance corresponds to the inclination angle in a one-to-one mode.
Specifically, the inclination angle of the intelligent terminal may be obtained by an acceleration sensor, a gravity sensor, a gyroscope sensor, or the like. The distance and the inclination angle are in one-to-one correspondence, namely the inclination angle of the intelligent terminal when the inclination angle is used for obtaining the current distance of the object in front detected by the sensor. In practical application, the distance and the inclination angle can be in one-to-one correspondence by synchronously acquiring the distance of the object in front detected by the sensor and the inclination angle of the intelligent terminal. And when the distance of the object in front detected by the sensor and the inclination angle of the intelligent terminal are acquired, the distance and the inclination angle are bound.
And S30, comparing the distance with a preset distance threshold, and acquiring image data when the distance is smaller than the preset distance threshold.
Specifically, the acquisition of image data refers to acquisition of image data acquired by a lens of a camera.
And S40, comparing the inclination angle corresponding to the distance with a preset angle threshold value.
Specifically, the angle threshold is a preset setting (e.g., 1 degree, 2 degrees, etc.) for determining that the tilt of the terminal is a shake generated during photographing.
And S50, if the inclination angle is smaller than a preset angle threshold, adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
Specifically, when the inclination angle is smaller than the preset angle threshold, it is indicated that the inclination of the intelligent terminal is caused by shake generated by the user in the shooting process, and then the image data is adjusted according to the inclination angle corresponding to the distance and the shutter is triggered to shoot. In practical application, the acquired image data can be rotated and corrected according to the inclination angle, so that the picture does not need to be secondarily edited by image processing software after being photographed, the distortion caused by image processing is avoided, the efficiency is high, and the image effect is good.
And S60, if the inclination angle is larger than or equal to a preset angle threshold value, triggering the shutter to take a picture.
Specifically, when the inclination angle is smaller than the preset angle threshold, it is indicated that the inclination of the intelligent terminal is that the user shoots in an inclined mode, and then the shutter is directly triggered to shoot. In practical application, in the photographing process, when the focusing of the camera is completed, the inclination angle of the terminal can be obtained and stored as an initial condition for judging whether the intelligent terminal shakes. That is to say, when image data is acquired, the absolute value of the difference between the inclination angle corresponding to the last acquired distance and the inclination angle when focusing is completed is compared with a preset angle threshold value, and whether the intelligent terminal is inclined or not is judged. Therefore, whether the image data needs to be adjusted or not is accurately determined, and the adjustment accuracy is improved.
The present invention also provides a photographing system based on a sensor, as shown in fig. 2, which uses an intelligent terminal with a sensor, comprising:
the acquisition module 100 is used for starting the sensor and acquiring the distance of an object in front of the sensor in real time when the photographing mode is entered;
and the execution module 200 is configured to compare the distance with a preset distance threshold, and when the distance is smaller than the preset threshold, trigger the shutter to take a picture.
The sensor-based photographing system, wherein the acquisition module 100 comprises:
the starting unit is used for starting the sensor when the photographing mode is entered;
the first acquisition unit is used for acquiring the distance of an object in front of the first acquisition unit detected by the sensor in real time;
and the second acquisition unit is used for acquiring the inclination angle of the intelligent terminal in real time.
The sensor-based photographing system, wherein the execution module 200 comprises:
a comparison unit for comparing the distance with a preset distance threshold;
a third obtaining unit, configured to obtain image data when the distance is smaller than a preset distance threshold;
and the execution unit is used for adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
The photographing system based on the sensor, wherein the execution unit specifically comprises:
the comparison subunit is used for comparing the inclination angle corresponding to the distance with a preset angle threshold;
and the first execution subunit is used for adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture when the inclination angle is smaller than a preset angle threshold.
The photographing system based on the sensor, wherein the execution unit further comprises:
and the second execution subunit is used for triggering the shutter to take a picture when the inclination angle is greater than or equal to a preset angle threshold value.
In the embodiments provided by the present invention, it should be understood that the disclosed system and method can be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the modules is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (8)

1. A shooting method based on a sensor is applied to an intelligent terminal provided with the sensor, and is characterized by comprising the following steps: when the photographing mode is entered, starting the sensor and acquiring the distance of an object in front of the sensor in real time;
acquiring the distance of an object in front of the sensor sensed by the sensor at preset time intervals, comparing the currently acquired distance with the previously acquired distance, if the distance is the same as the previously acquired distance, comparing the distance with a preset distance threshold, and triggering a shutter to take a picture when the distance is smaller than the preset threshold;
when entering the shooting mode, starting the sensor and detecting the distance of the object in front of the sensor in real time specifically comprises:
when entering a photographing mode, starting a sensor;
the method comprises the steps of acquiring the distance of an object in front of the sensor and the inclination angle of the intelligent terminal, which are detected by the sensor, in real time; the distances correspond to the inclination angles one to one;
when the distance of the object in front detected by the sensor and the inclination angle of the intelligent terminal are obtained, the distance and the inclination angle are bound.
2. The sensor-based photographing method according to claim 1, wherein the distance is compared with a preset distance threshold, and when the distance is smaller than the preset threshold, a shutter is triggered to photograph;
comparing the distance to a preset distance threshold;
when the distance is smaller than a preset distance threshold value, acquiring image data;
and adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
3. The sensor-based photographing method according to claim 2, wherein the adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to photograph specifically comprises:
comparing the inclination angle corresponding to the distance with a preset angle threshold;
and if the inclination angle is smaller than a preset angle threshold value, adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
4. The sensor-based photographing method of claim 3, wherein the adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to photograph further comprises: and if the inclination angle is larger than or equal to a preset angle threshold value, triggering the shutter to take a picture.
5. The utility model provides a photographing system based on sensor, its application has the intelligent terminal of sensor which characterized in that, it includes: the acquisition module is used for starting the sensor and acquiring the distance of an object in front of the sensor in real time when the photographing mode is started;
the execution module is used for acquiring the distance of an object in front of the sensor at intervals of preset time, comparing the currently acquired distance with the distance acquired last time, if the distance is the same as the distance acquired last time, comparing the distance with a preset distance threshold value, and triggering a shutter to take a picture when the distance is smaller than the preset threshold value;
the acquisition module includes:
the starting unit is used for starting the sensor when the photographing mode is entered;
the first acquisition unit is used for acquiring the distance of an object in front of the first acquisition unit detected by the sensor in real time;
the second acquisition unit is used for acquiring the inclination angle of the intelligent terminal in real time;
when the distance of the object in front detected by the sensor and the inclination angle of the intelligent terminal are obtained, the distance and the inclination angle are bound.
6. The sensor-based imaging system of claim 5, wherein the execution module comprises:
a comparison unit for comparing the distance with a preset distance threshold;
a third obtaining unit, configured to obtain image data when the distance is smaller than a preset distance threshold;
and the execution unit is used for adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture.
7. The sensor-based photographing system of claim 6, wherein the execution unit specifically comprises: the comparison subunit is used for comparing the inclination angle corresponding to the distance with a preset angle threshold;
and the first execution subunit is used for adjusting the image data according to the inclination angle corresponding to the distance and triggering the shutter to take a picture when the inclination angle is smaller than a preset angle threshold.
8. The sensor-based imaging system of claim 7, wherein the execution unit further comprises: and the second execution subunit is used for triggering the shutter to take a picture when the inclination angle is greater than or equal to a preset angle threshold value.
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