TW201801063A - Electronic device and color temperature adjustment method thereof - Google Patents

Abstract

The present invention provides an electronic device including a display module and a camera module. The electronic device restores a preset color temperature value and a preset brightness value. The display module emits light with color temperature and brightness for providing fill-in light for the camera module. The electronic device analyzes the current color temperature and brightness of the shooting environment and compares to the preset color temperature value and the preset brightness value to obtain a color temperature difference value and a brightness difference value. The electronic device adjusts the output color temperature and brightness of the display module. A color temperature adjusting method of the electronic device is also provided.

Description

Electronic device and color temperature adjustment method thereof

The present invention relates to an electronic device, and more particularly to an electronic device for adjusting color temperature by using screen light and a color temperature adjusting method thereof.

Portable electronic devices such as mobile phones are usually equipped with rear and front cameras. The front camera is disposed on the same side as the display screen, and the rear camera is equipped with a light-filling software such as a flash. The user can use the flash to fill the light when shooting with the rear camera. However, when the user takes a self-portrait photo by the front camera, the color temperature cannot be effectively adjusted to fill the light, resulting in poor shooting performance.

In view of the above, it is necessary to provide an electronic device and a color temperature adjusting method for automatically adjusting the color temperature of the fill light according to the user preference setting.

An electronic device includes a display module and a camera module, and the camera module is used for taking photos. The electronic device prestores a color temperature setting value. The display module emits light to provide fill light for the camera module. The electronic device analyzes the current color temperature value of the shooting and compares it with the color temperature setting value, analyzes the excellent temperature difference value, and adjusts the color temperature of the output light of the display module according to the color temperature difference value.

It is also necessary to provide a color temperature adjustment method, which comprises: displaying a brightness of the display module to provide a fill light for the camera module; analyzing the current color temperature value of the photographing and comparing with the pre-stored color temperature setting value, analyzing the excellent temperature difference value; The difference value adjusts the color temperature of the output light of the module.

The electronic device and the color temperature adjustment method obtain a difference by reflecting the current color temperature and comparing with the preset color temperature setting value, and the processor automatically adjusts the color temperature of the output light of the display module according to the difference, so that the camera module is The adjusted image is matched in the light temperature of the user's preferred color temperature to take a picture of the skin color that matches the user's preference.

1 is a schematic view of an electronic device in accordance with a preferred embodiment of the present invention.

2 is a schematic diagram of a memory module in accordance with a preferred embodiment of the present invention.

3 is a flow chart of a method for adjusting a color temperature in a preferred embodiment of the present invention.

Referring to FIG. 1 and FIG. 2, the electronic device 100 of the preferred embodiment of the present invention may be a mobile phone, a tablet computer, a notebook computer, or a personal digital assist (PDA). The electronic device 100 includes a display module 10, a camera module 20, a storage module 30, a face recognition module 40, a color temperature determination module 50, a brightness determination module 60, a processor 70, a color temperature sensor 80, and brightness. Sensor 90. The face recognition module 40, the color temperature determination module 50, and the brightness determination module 60 are stored in the storage module 30 and executed by the processor 70. In this embodiment, the face recognition module 40, the color temperature determination module 50, and the brightness determination module 60 are blocks stored in the storage module 30, and the processor 70 can perform respective functions.

The display module 10 is configured to display a graphical user interface with a certain color temperature and brightness. The camera module 20 is used to take a photo. In this embodiment, the camera module 20 and the display module 10 are disposed on the same side of the electronic device, and the color temperature and brightness output by the display module 10 can provide fill light for the shooting environment of the camera module 20. The camera module 20 can be used with the display module 10 to facilitate the user to take a self-photograph to take a photo of the user's face.

The storage module 30 is configured to store the output color temperature and brightness of the preset display module 10, and store the color temperature setting value and the brightness setting value of the face skin color in the corresponding photo preset by the user, and can also be used to store the camera mode. Group 20 photos taken. In this embodiment, the user can preset the color temperature setting value and the brightness setting value by using the graphical user interface to preset the preferred skin color and the preferred brightness of the user's face captured by the camera module 20 .

The face recognition module 40 is configured to recognize a face in a photo taken by the camera module 20. The color temperature determination module 50 is configured to analyze the color temperature of the photograph taken. In particular, the color temperature determination module 50 analyzes the color temperature value of the face portion recognized by the face recognition module 40 in the captured photo. The brightness determination module 60 is configured to analyze the brightness value of the photograph taken. In particular, the brightness determination module 60 is configured to analyze the brightness value of the face portion recognized by the face recognition module 40 in the captured photo.

The processor 70 is configured to compare the color temperature and brightness of the captured photo with the skin color setting value and the brightness setting value stored by the storage module 30, and adjust the display module 10 when the camera module 20 is photographed according to the difference of the comparison. The color temperature and brightness of the output light.

The color temperature sensor 80 is configured to detect the color temperature of the current shooting environment and feed back to the processor 70. The brightness sensor 90 is configured to detect the brightness of the current shooting environment and feed back to the processor 70. The current shooting environment is an environment in which the display module 10 outputs a predetermined color temperature and brightness brightness or adjusted output color temperature and brightness.

The electronic device 100 performs self-photographing using the camera module 20, and the display module 10 outputs light at a predetermined color temperature and brightness to complement the shooting environment. The camera module 20 takes a selfie in the current environment. In this embodiment, the selfie includes at least one face image. The face recognition module 40 identifies a face in the photo. The color temperature determination module 50 analyzes the color temperature value in the photo, including the color temperature value of the face portion recognized by the face recognition module 40. The brightness determination module 60 analyzes the brightness value of the photo, including the brightness value of the face portion recognized by the face recognition module 40. The processor 70 compares the analyzed color temperature value and the brightness value with the color temperature setting value and brightness of the human skin color stored in the storage module 30, and calculates the difference value. The difference value may include a color temperature difference value and a brightness difference value. The processor 70 further adjusts the color temperature and brightness output by the display module 10 according to the difference value to achieve a preset fill light effect. The camera module 20 performs shooting in the adjusted fill light environment, so that the skin color and brightness of the face displayed in the photographed photo reach the user's preference setting. Therefore, the automatic adjustment of the light of the electronic device 100 achieves a favorite photographing effect of the user.

In another embodiment, the display module 10 outputs light at a predetermined color temperature and brightness to complement the shooting environment. The electronic device 100 directly detects the current color sensor 80 and the brightness sensor 90. The color temperature value and brightness value of the shooting environment. The processor 70 compares the detected color temperature value and the brightness value with the color temperature setting value and brightness of the facial skin color stored in the storage module 30, and calculates the difference value. The processor 70 further adjusts the color temperature and brightness output by the display module 10 according to the difference value to achieve a preset fill light effect. The camera module 20 performs shooting in the adjusted fill light environment, so that the skin color and brightness of the face displayed in the photographed photo reach the user's preference setting.

In another embodiment, when the camera module 20 performs shooting, the color temperature sensor 80 and the brightness sensor 90 directly detect the color temperature value and the brightness value of the current shooting environment. The processor 70 compares the detected color temperature value and the brightness value with the color temperature setting value and brightness of the facial skin color stored in the storage module 30, and calculates the difference value. The processor 70 further adjusts the color temperature and brightness output by the display module 10 according to the difference value to achieve a preset fill light effect. The camera module 20 performs shooting in the adjusted fill light environment, so that the skin color and brightness of the face displayed in the photographed photo reach the user's preference setting.

It can be understood that the user can adjust the color temperature setting value and the brightness setting value by using the graphical user interface input displayed by the display module 10 at any time according to the difference in preference of the photographing skin color in different periods, so that the storage module 30 can be updated in time. The color temperature setting value and the brightness setting value.

It can be understood that the electronic device 100 provides the user with the option to turn the color temperature automatic adjustment function on or off by the graphical user interface displayed by the display module 10. When the user selects to turn off the color temperature auto-adjustment, the display module 10 outputs the light with the preset color temperature setting value and the brightness setting value as the fill light of the camera module 20, and the electronic device 100 does not perform the color temperature automatic adjustment processing.

Referring to FIG. 3, a method for adjusting a color temperature of an electronic device 100 according to a preferred embodiment of the present invention includes the following steps:

In step S01, the display module 10 outputs light at a predetermined color temperature and brightness as a fill light of the shooting environment. If mode 1 is selected, step S02 is performed; if mode 2 is selected, step S04 is performed.

In step S02, the camera module 20 takes a selfie in the current environment. In this embodiment, the selfie includes at least one face image.

Step S03, the face recognition module 40 identifies the face in the photo, the color temperature determination module 50 analyzes the color temperature value of the face portion of the photo, and the brightness determination module 60 analyzes the face portion of the photo. For the brightness value, step S05 is performed.

In step S04, the color temperature sensor 80 and the brightness sensor 90 directly detect the color temperature value and the brightness value of the current shooting environment.

In step S05, the processor 70 compares the detected or detected color temperature value and the brightness value with the color temperature setting value and the brightness setting value of the facial skin color stored in the storage module 30, and calculates the difference value.

Step S06, adjusting the color temperature and brightness output by the display module 10 according to the difference value.

In step S07, the camera module 20 performs shooting in the adjusted fill light environment. Thereby, the skin color and brightness of the face displayed in the photograph taken reach the user's preference setting.

In another embodiment, when mode 2 is selected, step S01 may be omitted and execution is started directly from step S04.

The electronic device 100 of the present invention compares the current color temperature and brightness and compares with the preset color temperature setting value and the brightness setting value, and the processor 70 automatically adjusts the color temperature of the output light of the display module 10 according to the difference. The brightness is such that the camera module 20 captures in the adjusted light-filling environment that matches the user's preferred color temperature and brightness to capture a photo that matches the user's preferred skin tone and brightness.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be covered by the following claims.

100‧‧‧Electronic devices

10‧‧‧ display module

20‧‧‧ camera module

30‧‧‧ Storage Module

40‧‧‧Face recognition module

50‧‧‧Color temperature judgment module

60‧‧‧Brightness judgment module

70‧‧‧ processor

80‧‧‧Color temperature sensor

90‧‧‧Brightness sensor

no

100‧‧‧Electronic devices

10‧‧‧ display module

20‧‧‧ camera module

30‧‧‧ Storage Module

70‧‧‧ processor

80‧‧‧Color temperature sensor

90‧‧‧Brightness sensor

Claims (9)

An electronic device includes a display module and a camera module. The camera module is used for taking a photo. The improvement is that the electronic device prestores a color temperature setting value, and the display module emits light to the camera module. The photographing fill light is provided, and the electronic device analyzes the current photographed color temperature value and compares with the color temperature set value, analyzes the excellent temperature difference value, and adjusts the color temperature of the output light of the display module according to the color temperature difference value. The electronic device of claim 1, wherein the electronic device further comprises a face recognition module, a color temperature determination module, and a processor, wherein the face recognition module identifies the photo taken by the camera module The color temperature determination module analyzes the color temperature value according to the face recognition module in the photo recognition module, and the processor compares the analyzed color temperature value with the stored color temperature setting value. The color temperature difference value is obtained, and the color temperature of the output light of the display module is adjusted according to the color temperature difference value. The electronic device of claim 1, wherein the electronic device further comprises a color temperature sensor and a processor, the color temperature sensor detecting a color temperature value of the current shooting environment, and the color temperature detected by the processor The value is compared with the stored color temperature setting value to calculate the color temperature difference value, and the color temperature of the output light of the display module is adjusted according to the color temperature difference value. The electronic device of claim 1, wherein the electronic device further prestores a brightness setting value, and the electronic device further analyzes the current captured brightness value and compares the brightness setting value to analyze the brightness difference value, And adjusting the brightness of the output light of the display module according to the brightness difference value. The electronic device of claim 4, wherein the electronic device further comprises a face recognition module, a color temperature determination module, a brightness determination module, and a processor, wherein the face recognition module is in the camera module The color recognition module recognizes the color temperature value according to the face recognition module, and the brightness determination module recognizes the color temperature value according to the face recognition module. The face part of the photo analyzes the brightness value, and the processor compares the analyzed color temperature value and the brightness value with the stored color temperature setting value and the brightness setting value to calculate the color temperature difference value and the brightness difference value, and according to The color temperature difference value and the brightness difference value adjust the color temperature and brightness of the output light of the display module. The electronic device of claim 4, wherein the electronic device further comprises a color temperature sensor, a brightness sensor and a processor, the color temperature sensor detecting a color temperature value of the current shooting environment, the brightness feeling The detector detects the brightness value of the current shooting environment, and the processor compares the detected color temperature value with the stored color temperature setting value to calculate the color temperature difference value, and compares the detected brightness value with the stored brightness setting value. The brightness difference value is calculated, and the color temperature and brightness of the output light of the display module are adjusted according to the color temperature difference value and the brightness difference value. The electronic device of claim 1, wherein the display module and the camera module are disposed on the same side of the electronic device, so that the light output by the display module is used as a light-filling function of the camera module shooting environment. . A color temperature adjustment method is improved in that the color temperature adjustment method comprises: The display module emits light to provide a fill light for the camera module; Analyzing the color temperature value of the current shot and comparing it with the pre-stored color temperature set value to analyze the excellent temperature difference value; Adjusting the color temperature of the output light of the display module according to the color temperature difference value. The color temperature adjustment method of claim 8, wherein the color temperature adjustment method further comprises: Analyzing the brightness value of the current shot and comparing it with the pre-stored brightness setting value, and analyzing the brightness difference value; Adjusting the brightness of the output light of the display module according to the brightness difference value.