CN111345030A - Photographing method and photographing system based on intelligent terminal - Google Patents
Photographing method and photographing system based on intelligent terminal Download PDFInfo
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- CN111345030A CN111345030A CN201780096712.XA CN201780096712A CN111345030A CN 111345030 A CN111345030 A CN 111345030A CN 201780096712 A CN201780096712 A CN 201780096712A CN 111345030 A CN111345030 A CN 111345030A
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- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
Abstract
A photographing method based on an intelligent terminal comprises the following steps: acquiring a preview image containing the face of a photographic subject; extracting a face color temperature value; judging whether the face color temperature value is lower than a preset color temperature value or not; when the color temperature value of the face is lower than a preset color temperature value, a compensating light is emitted. A photographing system based on an intelligent terminal comprises: the device comprises an acquisition module, an extraction module, a judgment module and a compensation module.
Description
The invention relates to the technical field of intelligent terminals, in particular to a photographing method and a photographing system based on an intelligent terminal.
Intelligent terminals are becoming an increasingly indispensable part of today's life. With the rapid development of the intelligent terminal, the built-in functions of the intelligent terminal are more and more diversified. Listening to music, business, games and photographing are becoming the necessary mature functions of intelligent terminals. At present, in order to further improve the functions and user experience of the intelligent terminal, technicians make continuous innovation and optimization aiming at the existing functions.
For example, for the photographing function of the intelligent terminal, a lot of contributions are made from the aspects of pixels, color tone, beauty and the like through the continuous efforts of technicians. In order to further increase the shooting effect, the option of white balance is often manually adjusted, so that the white balance is a standard, and if the white color is accurate, other colors are accurate, so called white balance, when the intelligent terminal shoots the white color in different environmental color temperatures and the white color appears to be true white. The white balance modes such as cloudy days, flash lamps, fluorescent lamps and the like are set by the intelligent terminal in order to deal with different color temperatures, namely, the colors of the photos are closer to the colors of real scenes. However, the adjustment often requires manual operation by a user, and the actual color representation is realized by supplementing light with a tool or replacing a shooting site additionally.
Therefore, a photographing method and a photographing system based on an intelligent terminal are needed to be provided, manual operation is not needed, a light supplementing tool is used, the limitation of a photographing place is not needed, compensation light rays with different intensities can be automatically emitted according to the face color temperature value by extracting the face color temperature value of the face of a photographed object, so that a picture can be ensured to be in a more real color, and a more optimized photographing effect and photographing experience are provided for a user.
Disclosure of Invention
According to the intelligent terminal-based photographing method and the intelligent terminal-based photographing system, the face color temperature value of the face of the photographed object is extracted, and the compensating light rays with different intensities can be automatically emitted according to the face color temperature value, so that the photograph can be ensured to be in a more real color, and a more optimized photographing effect and photographing experience are provided for a user.
The invention provides a photographing method of an intelligent terminal, which comprises the following steps:
acquiring a preview image containing the face of a photographic subject;
extracting a face color temperature value of the face;
judging whether the face color temperature value is lower than a preset color temperature value or not;
when the color temperature value of the face is lower than a preset color temperature value, a compensating light is emitted.
Preferably, the step of extracting the face color temperature value of the face further comprises:
performing face recognition on the face to determine eye positions in the face;
and detecting the average eye color temperature value of the eye position as a face color temperature value.
Preferably, the compensation light is emitted through a soft light and/or a flash of the intelligent terminal.
Preferably, the intensity of the compensating light is adjusted by the flash lamp according to the difference between the face color temperature value and the preset color temperature value.
Preferably, after the step of emitting a compensating light when the face color temperature value is lower than a predetermined color temperature value, the photographing method further comprises:
extracting a compensation color temperature value of the face after receiving the compensation light;
judging whether the compensated color temperature value is lower than a preset color temperature value or not;
and when the compensation color temperature value is equal to or higher than the preset color temperature value, sending a prompt for reminding of taking a picture.
The invention further provides a photographing system of the intelligent terminal, which comprises: the device comprises an acquisition module, an extraction module, a judgment module and a compensation module;
the acquisition module acquires a preview image containing the face of a shooting object;
the extraction module is in communication connection with the acquisition module and the judgment module and is used for extracting the face color temperature value of the face;
the judgment module, the extraction module and the compensation module judge whether the face color temperature value is lower than a preset color temperature value;
when the face color temperature value is lower than a preset color temperature value, the compensation module emits a compensation light.
Preferably, the extraction module further comprises:
a recognition unit that performs face recognition on the face to determine eye positions in the face;
and the detection unit is used for detecting the average eye color temperature value of the eye position as a face color temperature value.
Preferably, the compensation module emits the compensation light through a soft light and/or a flashlight.
Preferably, the intensity of the compensating light is adjusted by the flash lamp according to the difference between the face color temperature value and the preset color temperature value.
Preferably, the photographing system further comprises a prompting module, and the prompting module is in communication connection with the judging module;
the extraction module is further in communication connection with the compensation module and is used for extracting a compensation color temperature value of the face after receiving the compensation light;
the judgment module judges whether the compensated color temperature value is lower than a preset color temperature value;
and when the compensation color temperature value is equal to or higher than the preset color temperature value, the prompt module sends a prompt for prompting to take a picture.
Compared with the prior art, the invention has the technical advantages that:
1. a light supplement tool is not needed;
2. the white balance option does not need to be adjusted manually;
3. the method is not limited by shooting places;
4. by extracting the face color temperature value of the face of the shooting object, compensating light rays with different intensities can be automatically emitted according to the face color temperature value;
5. the method can ensure that the picture is shot under certain standard light brightness, and provides a more optimized shooting effect and shooting experience for a user.
Fig. 1 is a schematic flowchart of a photographing method based on an intelligent terminal according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of a photographing method based on an intelligent terminal according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a photographing method based on an intelligent terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a photographing system based on an intelligent terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a photographing system based on an intelligent terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a photographing system based on an intelligent terminal according to an embodiment of the present invention.
The advantages of the invention are described in detail below with reference to the accompanying drawings and specific embodiments.
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The smart terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a smart terminal. However, it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for moving purposes.
In the following description, suffixes such as "module" used to represent elements are used only for facilitating the explanation of the present invention and have no specific meaning in itself.
Fig. 1 is a schematic flow chart of a photographing method based on an intelligent terminal according to an embodiment of the present invention. As shown in the figure, in this embodiment, the photographing method includes the following steps:
-acquiring a preview image containing the face of a photographic subject;
when a user needs to shoot an image containing a face of a person through an intelligent terminal, based on the shooting method provided by the invention, a camera (comprising a front camera and a rear camera) of the intelligent terminal needs to be started at first, and after the camera is started, a preview image is collected through the camera, wherein the preview image at least comprises one or more face images of a shooting object.
-extracting a facial colour temperature value of the face;
after the face image containing one or more shooting objects is collected, in order that a follow-up intelligent terminal can accurately adjust the face color temperature value in the current shooting state, the intelligent terminal further detects the color temperature value of the face in the preview image through a color temperature sensor arranged in the intelligent terminal, and the color temperature value is the face color temperature value. Color temperature is a characteristic of visible light that has important applications in the fields of photography, video recording, publishing, and the like. Color temperature is a sign indicating the color of light and does not refer to the temperature of light. The color temperature value is denoted by K. The different light sources show different colors because the spectral components are different, and the white light contains equal amounts of red, green and blue light, that is, equal amounts of red, green and blue light are mixed to form white light. The color temperature of such white light is about 5400K. If a light source contains more red light, its color temperature is lower than 5400K, for example, the color temperature of a tungsten lamp is about 2800K; if a light source contains more blue light, the color temperature is higher than 5400K, for example, the color temperature can reach about 20000K in sunny days. Therefore, it is simply understood that the more red the light is, the lower the color temperature value is; the more blue the light is, the higher the color temperature value.
-determining whether the face color temperature value is below a predetermined color temperature value;
after the face color temperature value in the current shooting state is collected, the intelligent terminal compares the face color temperature value with a preset color temperature value to judge whether the current face color temperature value reaches a preset standard, namely whether the color of the picture can be really presented in the current shooting state is judged. Based on the above, the intelligent terminal calculates whether the current face color temperature value is lower than the preset color temperature value through calling the function so as to judge.
-emitting a compensating light when the color temperature value of the face is lower than a preset color temperature value.
Preferably, the compensation light is emitted through a soft light and/or a flash of the intelligent terminal.
Preferably, the intensity of the compensating light is adjusted by the flash lamp according to the difference between the face color temperature value and the preset color temperature value.
When the intelligent terminal judges that the color temperature value of the face acquired by the intelligent terminal through accurate calculation is lower than a preset color temperature value, namely the intelligent terminal judges that the photo acquired under the current light state cannot present real color, the light condition is not good enough, and the quality of the photo is influenced. For example, the current shooting weather is a cloudy day, a rainy day, or at night. The preset color temperature value can be set according to the color temperature sensitivity of human eyes in each region. At this moment, in order to avoid shooting a photo with a poor effect, even if the user sends a shooting instruction, the intelligent terminal cannot execute the shooting instruction, and on the contrary, the intelligent terminal can automatically supplement light to the current shooting object. The light supplement mode comprises the following steps: and automatically turning on the soft light and/or the flash lamp to increase the current shooting brightness, and performing compensation adjustment on the face color temperature value of the shooting object. Specifically, the intelligent terminal can adjust the emitting mode of the compensating light and the intensity of the compensating light according to the difference value between the color temperature of the face and the preset color temperature value. When the difference is small, light compensation can be carried out only through the soft light; if the difference is large, the soft light and the flash light are combined to perform light compensation, and the light intensity change of the flash light is further increased, so that the compensated face color temperature value reaches the standard of the preset color temperature value.
Fig. 2 is a schematic flow chart of a photographing method based on an intelligent terminal according to an embodiment of the present invention. In a preferred embodiment, the step of extracting the face color temperature value of the face further includes:
-face recognition of the face to determine eye positions in the face;
the step of extracting the color temperature value of the face of the photographic subject further comprises the step of identifying the face of the photographic subject. The face recognition includes extracting feature information of a specific part of the face and feature information of the whole face, and the representation methods thereof can be roughly divided into three categories:
the first is to represent facial features as points, i.e., some feature points defined according to our understanding of facial features, such as in ASM and AAM, facial features are defined by points, which we call boundary points. This is divided into three boundaries: extreme points, which are generally only uniquely defined within a local area, such as the pupil, tip and nostrils of the eye. Boundary points, which may be considered as boundary points on a local boundary, are generally extracted uniformly on the whole edge by considering the positions and distances between adjacent boundary points, such as face contour points, eyebrow contour points, lip contour points, etc. Interpolation points, which have no locally obvious textural features, are derived by interpolation of other boundary points, such as the center of the mouth, the eyebrow, and also those points that are hidden or invisible.
The second is to define facial features with lines or boundaries, such as defining the outline of a face as a parabola in a deformable template, defining the boundaries of eyeballs as circles, and so on.
The third is to define facial features by regions, such as in some methods of segmenting by color or gray value, segmenting a region of pixels with lip color as a mouth by statistics of lip color; eyes, eyebrows and the like are also segmented by the difference between corresponding colors and brightness and other regions of the human face, and then the regions formed by pixels meeting the conditions are used as corresponding target regions. Based on the three representation methods, in the photographing method of the embodiment of the invention, the eye positions of the photographed person can be obtained by identifying the points, lines and faces in the face image acquired by the intelligent terminal.
-detecting an average eye color temperature value for the eye position as a face color temperature value.
Through face identification, after the eye positions in the face of the shot object are locked, the intelligent terminal detects the eye positions and extracts the eye color temperature values for N times through a built-in color temperature sensor, then the average value of the extracted eye color temperature values for N times is calculated, and finally the face color temperature value is obtained.
Fig. 3 is a schematic flow chart of a photographing method based on an intelligent terminal according to an embodiment of the present invention. In a preferred embodiment, after the step of emitting a compensating light when the color temperature value of the face is lower than a predetermined color temperature value, the photographing method further comprises:
-extracting a compensated color temperature value of the face after receiving the compensated light;
after the intelligent terminal emits the compensating light according to the detected face color temperature value, in order to ensure that the compensated face color temperature value can reach the standard of the preset color temperature value, the photographing method further comprises the step of further extracting the compensated color temperature value.
-determining whether the compensated color temperature value is below a predetermined color temperature value;
when the intelligent terminal extracts the compensated color temperature value after the light compensation, the intelligent terminal compares the compensated color temperature value with a preset color temperature value to judge whether the compensated color temperature value of the current face reaches a preset standard, namely whether the color of the picture can be really presented in the current shooting state. Based on the above, the intelligent terminal calculates whether the compensation color temperature value of the current face is lower than the preset color temperature value through calling the function so as to judge.
When the compensated color temperature value is equal to or higher than the preset color temperature value, a prompt for reminding of taking a picture is sent.
When the compensation color temperature value of the face reaches the preset standard preset color temperature value, namely the intelligent terminal judges that a photo showing real color can be shot in the current shooting state, at the moment, the intelligent terminal sends a prompt to a screen to remind a user of shooting by sending a shooting instruction, and a preview image is captured to generate a photo corresponding to the preview image.
Fig. 4 is a schematic structural diagram of a photographing system based on an intelligent terminal according to an embodiment of the present invention. As shown in the figure, in this embodiment, the photographing system includes: the device comprises an acquisition module, an extraction module, a judgment module and a compensation module;
-said acquisition module acquiring a preview image containing the face of a photographic subject;
when a user needs to shoot an image containing a face of a person through an intelligent terminal, based on the shooting system provided by the invention, a camera (comprising a front camera and a rear camera) in an acquisition module needs to be started at first, and after the camera is started, a preview image is acquired through the camera in the acquisition module, wherein the preview image at least comprises one or more face images of a shooting object.
The extraction module is in communication connection with the acquisition module and the judgment module and is used for extracting the face color temperature value of the face;
after the acquisition module acquires the face image containing one or more shooting objects, in order that a subsequent shooting system can accurately adjust the face color temperature value in the current shooting state, the extraction module further detects the color temperature value of the face in the preview image through a color temperature sensor arranged in the extraction module, and the color temperature value is the face color temperature value. Color temperature is a characteristic of visible light that has important applications in the fields of photography, video recording, publishing, and the like. Color temperature is a sign indicating the color of light and does not refer to the temperature of light. The color temperature value is denoted by K. The different light sources show different colors because the spectral components are different, and the white light contains equal amounts of red, green and blue light, that is, equal amounts of red, green and blue light are mixed to form white light. The color temperature of such white light is about 5400K. If a light source contains more red light, its color temperature is lower than 5400K, for example, the color temperature of a tungsten lamp is about 2800K; if a light source contains more blue light, the color temperature is higher than 5400K, for example, the color temperature can reach about 20000K in sunny days. Therefore, it is simply understood that the more red the light is, the lower the color temperature value is; the more blue the light is, the higher the color temperature value.
The judgment module, the extraction module and the compensation module judge whether the face color temperature value is lower than a preset color temperature value;
after the extracting module extracts the face color temperature value in the current shooting state, the judging module compares the face color temperature value with a preset color temperature value to judge whether the current face color temperature value reaches a preset standard, namely whether the color of the picture can be really presented in the current shooting state is judged. Based on this, the judging module can calculate whether the current face color temperature value is lower than the preset color temperature value through calling the function so as to judge.
When the face color temperature value is lower than a preset color temperature value, the compensation module emits a compensation light.
Preferably, the compensation module emits the compensation light through a soft light and/or a flashlight.
Preferably, the intensity of the compensating light is adjusted by the flash lamp according to the difference between the face color temperature value and the preset color temperature value.
When the judgment module judges that the color temperature value of the face acquired by the judgment module is lower than a preset color temperature value through accurate calculation, the judgment module judges that the photo acquired under the current light state cannot present a real color, the light condition is not good enough, and the quality of the photo is influenced. For example, the current shooting weather is a cloudy day, a rainy day, or at night. The preset color temperature value can be set according to the color temperature sensitivity of human eyes in each region. At this moment, in order to avoid taking a picture with a poor effect, even if the user sends a photographing instruction, the photographing system cannot execute the photographing instruction, and on the contrary, the compensation module of the photographing system can automatically supplement light for the current photographing object. The light supplement mode comprises the following steps: and automatically turning on the soft light and/or the flash lamp to increase the current shooting brightness, and performing compensation adjustment on the face color temperature value of the shooting object. Specifically, the compensation module can adjust the emitting mode of the compensation light and the intensity of the compensation light according to the difference value between the color temperature of the face and the preset color temperature value. When the difference is small, light compensation can be performed only through the soft light in the compensation module; if the difference is large, the soft light and the flash lamp in the compensation module are combined to perform light compensation, and the light intensity change of the flash lamp is further increased, so that the compensated face color temperature value reaches the standard of the preset color temperature value.
Fig. 5 is a schematic structural diagram of a photographing system based on an intelligent terminal according to an embodiment of the present invention. As shown, in a preferred embodiment, the extraction module further comprises: -a recognition unit for face recognition of the face to determine eye positions in the face;
the extraction module further comprises an identification unit and a detection unit. The recognition unit is used for recognizing the face of the shooting object. The face recognition includes extracting feature information of a specific part of the face and feature information of the whole face, and the representation methods thereof can be roughly divided into three categories:
the first is to represent facial features as points, i.e., some feature points defined according to our understanding of facial features, such as in ASM and AAM, facial features are defined by points, which we call boundary points. This is divided into three boundaries: extreme points, which are generally only uniquely defined within a local area, such as the pupil, tip and nostrils of the eye. Boundary points, which may be considered as boundary points on a local boundary, are generally extracted uniformly on the whole edge by considering the positions and distances between adjacent boundary points, such as face contour points, eyebrow contour points, lip contour points, etc. Interpolation points, which have no locally obvious textural features, are derived by interpolation of other boundary points, such as the center of the mouth, the eyebrow, and also those points that are hidden or invisible.
The second is to define facial features with lines or boundaries, such as defining the outline of a face as a parabola in a deformable template, defining the boundaries of eyeballs as circles, and so on.
The third is to define facial features by regions, such as in some methods of segmenting by color or gray value, segmenting a region of pixels with lip color as a mouth by statistics of lip color; eyes, eyebrows and the like are also segmented by the difference between corresponding colors and brightness and other regions of the human face, and then the regions formed by pixels meeting the conditions are used as corresponding target regions. Based on the three representation methods, in the photographing system according to the embodiment of the present invention, the recognition unit of the extraction module may acquire the eye positions of the photographed person through recognition of the points, lines, and faces in the face image acquired by the acquisition module.
-a detection unit detecting an average eye color temperature value of the eye position as a face color temperature value.
After the face of the shot object is identified through the identification unit and the eye positions in the face of the shot object are locked, the detection unit can detect the eye positions and extract the eye color temperature values for N times through the built-in color temperature sensor, then the average value of the extracted eye color temperature values for N times is calculated, and finally the face color temperature value is obtained.
Fig. 6 is a schematic structural diagram of a photographing system based on an intelligent terminal according to an embodiment of the present invention. As shown in the figure, in a preferred embodiment, after the step of emitting a compensating light when the color temperature value of the face is lower than a preset color temperature value, the photographing system further comprises a prompt module, wherein the prompt module is in communication connection with the judgment module;
-the extracting module, further connected to the compensating module in communication, for extracting the compensated color temperature value of the face after receiving the compensated light;
after the compensation module emits the compensation light according to the color temperature value of the face detected by the extraction module, in order to ensure that the compensated color temperature value of the face can reach the standard of the preset color temperature value, the extraction module in the photographing system provided by the invention is further in communication connection with the compensation module and is further used for further extracting the compensated color temperature value.
-the determining module determines whether the compensated color temperature value is lower than a preset color temperature value;
when the extraction module extracts the compensated color temperature value after the light compensation, the judgment module further compares the compensated color temperature value with a preset color temperature value to judge whether the compensated color temperature value of the current face reaches a preset standard, namely whether the color of the picture can be really presented in the current shooting state. Based on the above, the judgment module calculates whether the compensation color temperature value of the current face is lower than the preset color temperature value by calling the function so as to judge.
When the compensated color temperature value is equal to or higher than the preset color temperature value, the prompt module sends a prompt for reminding of taking a picture.
When the compensation color temperature value of the face reaches the preset standard preset color temperature value, the judgment module judges that a photo with real color can be shot in the current shooting state, at the moment, a prompt module of the shooting system sends a prompt to a screen to remind a user to shoot by sending a shooting instruction, and a preview image is captured to generate a photo corresponding to the preview image.
By adopting the intelligent terminal-based photographing method and the intelligent terminal-based photographing system, a user does not need to manually adjust the white balance option when taking a picture, does not need to use a light supplementing tool, is not limited by a photographing place, and can automatically emit compensating light rays with different intensities according to the face color temperature value by extracting the face color temperature value of the face of a photographed object so as to ensure that the picture is photographed under certain standard light brightness, thereby providing a more optimized photographing effect and photographing experience for the user.
It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.
Claims (10)
- A shooting method based on an intelligent terminal is characterized in that,the photographing method comprises the following steps:acquiring a preview image containing the face of a photographic subject;extracting a face color temperature value of the face;judging whether the face color temperature value is lower than a preset color temperature value or not;when the color temperature value of the face is lower than a preset color temperature value, a compensating light is emitted.
- A photographing method as defined in claim 1,the step of extracting the face color temperature value of the face further comprises:performing face recognition on the face to determine eye positions in the face;and detecting the average eye color temperature value of the eye position as a face color temperature value.
- A photographing method as defined in claim 1,the compensation light is emitted through a soft light and/or a flash lamp of the intelligent terminal.
- A photographing method as defined in claim 3,and the intensity of the compensating light is adjusted by the flash lamp according to the difference value between the face color temperature value and the preset color temperature value.
- A photographing method according to any one of claims 1 to 4,after the step of emitting a compensating light when the face color temperature value is lower than a preset color temperature value, the photographing method further comprises:extracting a compensation color temperature value of the face after receiving the compensation light;judging whether the compensated color temperature value is lower than a preset color temperature value or not;and when the compensation color temperature value is equal to or higher than the preset color temperature value, sending a prompt for reminding of taking a picture.
- A photographing system based on an intelligent terminal is characterized in that,the photographing system includes: the device comprises an acquisition module, an extraction module, a judgment module and a compensation module;the acquisition module acquires a preview image containing the face of a shooting object;the extraction module is in communication connection with the acquisition module and the judgment module and is used for extracting the face color temperature value of the face;the judgment module, the extraction module and the compensation module judge whether the face color temperature value is lower than a preset color temperature value;when the face color temperature value is lower than a preset color temperature value, the compensation module emits a compensation light.
- The photographing system of claim 6,the extraction module further comprises:a recognition unit that performs face recognition on the face to determine eye positions in the face;and the detection unit is used for detecting the average eye color temperature value of the eye position as a face color temperature value.
- The photographing system of claim 6,the compensation module emits the compensation light through the soft light and/or the flash lamp.
- The photographing system of claim 8,and the intensity of the compensating light is adjusted by the flash lamp according to the difference value between the face color temperature value and the preset color temperature value.
- The photographing system of any one of claims 6 to 9,the photographing system further comprises a prompting module which is in communication connection with the judging module;the extraction module is further in communication connection with the compensation module and is used for extracting a compensation color temperature value of the face after receiving the compensation light;the judgment module judges whether the compensated color temperature value is lower than a preset color temperature value;and when the compensation color temperature value is equal to or higher than the preset color temperature value, the prompt module sends a prompt for prompting to take a picture.
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