CN110933294A - Image processing method, terminal and computer storage medium - Google Patents
Image processing method, terminal and computer storage medium Download PDFInfo
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- CN110933294A CN110933294A CN201911066957.5A CN201911066957A CN110933294A CN 110933294 A CN110933294 A CN 110933294A CN 201911066957 A CN201911066957 A CN 201911066957A CN 110933294 A CN110933294 A CN 110933294A
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- 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
- H04N23/65—Control of camera operation in relation to power supply
- H04N23/651—Control of camera operation in relation to power supply for reducing power consumption by affecting camera operations, e.g. sleep mode, hibernation mode or power off of selective parts of the camera
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Abstract
The invention discloses an image processing method, a terminal and a computer storage medium, wherein the image processing method is applied to the terminal with a camera module and comprises the following steps: acquiring a power consumption mode switching instruction; responding to the power consumption mode switching instruction, and switching the power consumption mode from a second power consumption mode to a first power consumption mode so as to control the camera module to shoot in the first power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode. According to the image processing method, the terminal and the computer storage medium, when the camera module of the terminal is controlled to take a picture in the first power consumption mode, the power consumption of the picture can be effectively reduced, the endurance of the terminal is prolonged, and when the camera module of the terminal is controlled to take a picture in the second power consumption mode, the imaging effect of the camera module can be remarkably improved.
Description
Technical Field
The present invention relates to the field of terminal technologies, and in particular, to an image processing method, a terminal, and a computer storage medium.
Background
The current photographing products such as mobile phones take the characteristics of beauty, special effect, large pixel, ultra-clear image quality and the like as selling points of the products, and the camera needs to consume electric quantity when realizing the characteristic functions, so that the power consumption of the camera is faster. Some users only need to meet basic photographing when using a camera of a mobile phone at ordinary times, and the requirements on the picture quality effect are not high, but the cruising ability of the mobile phone is expected to be good. Therefore, under the scene that the cruising demand of the user on the mobile phone is higher than the camera effect, how to improve the cruising ability of the mobile phone is a problem which needs to be solved urgently.
The foregoing description is provided for general background information and is not admitted to be prior art.
Disclosure of Invention
The invention aims to provide a power-saving image processing method, a terminal and a computer storage medium, which can effectively reduce the photographing power consumption and improve the endurance time of the terminal when a photographing module of the terminal is controlled to photograph in a first power consumption mode, and can obviously improve the imaging effect of the photographing module when the photographing module of the terminal is controlled to photograph in a second power consumption mode.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides an image processing method, which is applied to a terminal having a camera module, where the method includes:
acquiring a power consumption mode switching instruction;
responding to the power consumption mode switching instruction, and switching the power consumption mode from a second power consumption mode to a first power consumption mode so as to control the camera module to shoot in the first power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode.
As an embodiment, the first power consumption mode includes performing image quality reduction processing on the preview image and/or the imaged image, and/or performing image quality reduction processing on the imaged image displayed on the chat interface in the running instant messaging application.
As an example, the first power consumption mode handling policy includes at least one of: reducing the resolution of the image; reducing the size of the image; reducing the output frame rate of the image; reducing at least one of chroma, saturation, sharpness and contrast of the image; reducing the size of the applied shooting application package; and closing at least one of the automatic scene recognition function, the beautifying function, the face recognition function and the face brightening function.
As an embodiment, the step of obtaining a power consumption mode switching instruction includes:
the terminal starts a first power consumption mode when detecting that the residual electric quantity is less than or equal to a preset electric quantity threshold value;
or starting a first power consumption mode when the detected temperature of the terminal is greater than or equal to a preset temperature threshold;
or the terminal starts the first power consumption mode when detecting that the memory power consumption is larger than or equal to a preset memory power consumption threshold value.
As an embodiment, the controlling the camera module to shoot in the first power consumption mode includes: and weakening the image quality of the preview image, and keeping the image quality of the imaged image unchanged.
As an embodiment, the controlling the camera module to take a picture in the first power consumption mode includes:
acquiring a scene type;
and determining a first power consumption mode corresponding to the scene type according to the scene type, and controlling the camera module to take a picture in the first power consumption mode corresponding to the scene type.
The scene types include a daytime scene and a nighttime scene, as one of the embodiments; the dimming value corresponding to the chrominance and/or the saturation and/or the sharpness and/or the contrast is larger in a daytime scene than in a nighttime scene.
The scene type includes, as one of embodiments, a still scene; the image quality weakening processing of the preview image and/or the imaging image further comprises closing an electronic anti-shaking function.
As an embodiment, the performing image quality reduction processing on the imaging image displayed on the chat interface in the running instant messaging application includes: and performing image quality weakening processing on the imaging image of the party and/or the imaging image of the other party displayed on the chat interface in the running instant messaging application.
As an embodiment, the performing image quality reduction processing on the imaging image displayed on the chat interface in the running instant messaging application includes: and performing corresponding image quality weakening processing according to the value of the residual electric quantity of the terminal.
As an embodiment, the performing image quality reduction processing on the imaging image displayed on the chat interface in the running instant messaging application includes: and performing corresponding image quality weakening processing according to the temperature value of the terminal.
As an embodiment, the method further includes:
responding to the power consumption mode switching instruction, and switching the power consumption mode from a first power consumption mode to a second power consumption mode so as to control the camera module to shoot in the second power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode.
As an embodiment, the second power consumption mode includes performing image quality enhancement processing on the preview image and/or the imaged image, and/or performing image quality enhancement processing on the imaged image displayed on the chat interface in the running instant messaging application.
As an embodiment, the second power consumption mode handling policy includes at least one of: increasing the resolution of the image; increasing the size of the image; increasing the output frame rate of the image; heightening at least one of chroma, saturation, sharpness and contrast of the image; increasing the size of the employed shooting application package; and starting at least one of an automatic scene recognition function, a beautifying function, a face recognition function and a face brightening function.
In a second aspect, an embodiment of the present invention further provides a terminal, including: the system comprises a camera module, a processor and a memory for storing computer programs; wherein the processor is configured to: detecting whether a first power consumption mode is started, and if so, controlling the camera module to take a picture in the first power consumption mode; the first power consumption mode comprises image quality weakening processing on a preview image and/or an imaging image; or detecting whether the first power consumption mode is started, and if so, performing image quality weakening processing on an imaging image displayed on a chat interface in the running instant messaging application.
As one embodiment, when the remaining power of the terminal is less than or equal to a preset power threshold, a first power consumption mode is started; or starting a first power consumption mode when the temperature of the terminal is greater than or equal to a preset temperature threshold; or starting a first power consumption mode when the memory power consumption of the terminal is greater than or equal to a preset memory power consumption threshold value.
As one embodiment, the processor is further configured to: detecting whether a second power consumption mode is started, and if so, controlling the camera module to take a picture in the second power consumption mode; the second power consumption mode comprises image quality enhancement processing on a preview image and/or an imaging image; or detecting whether the second power consumption mode is started, and if so, performing image quality enhancement processing on the imaging image displayed on the chat interface in the running instant messaging application.
In a third aspect, an embodiment of the present invention provides a computer storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the steps of the image processing method according to the first aspect.
The embodiment of the invention provides an image processing method, a terminal and a computer storage medium, wherein the image processing method comprises the following steps: acquiring a power consumption mode switching instruction; responding to the power consumption mode switching instruction, and switching the power consumption mode from a second power consumption mode to a first power consumption mode so as to control the camera module to shoot in the first power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode. According to the image processing method, the terminal and the computer storage medium, when the camera module of the terminal is controlled to take a picture in the first power consumption mode, the power consumption of the picture can be effectively reduced, the endurance of the terminal is prolonged, and when the camera module of the terminal is controlled to take a picture in the second power consumption mode, the imaging effect of the camera module can be remarkably improved.
Drawings
Fig. 1 is a schematic flowchart of an image processing method according to an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating the process of obtaining scene types according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of an image processing method according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of another image processing method according to an embodiment of the present invention;
fig. 5 is a schematic flowchart of another image processing method according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further elaborated by combining the drawings and the specific embodiments in the specification. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, an image processing method provided in an embodiment of the present invention is applied to a terminal having a camera module, and the image processing method includes the following steps:
step S101: acquiring a power consumption mode switching instruction;
it should be noted that the terminal may specifically be an electronic device such as a smart phone, a tablet computer, and a personal digital assistant. The power consumption mode switching instruction may control the terminal to switch the power consumption mode from the high power consumption mode to the normal power consumption mode, or switch the power consumption mode from the high power consumption mode to the low power consumption mode, or switch the power consumption mode from the normal power consumption mode to the low power consumption mode. The terminal is provided with a first power consumption mode and a second power consumption mode, and the terminal can be set to be in a low power consumption mode and a high power consumption mode, or in a high power consumption mode and a low power consumption mode. When the first power consumption mode of the terminal is a low power consumption mode, the second power consumption mode can output high-definition image quality through image processing modes such as automatic scene recognition, face brightening, electronic anti-shake and the like. The first power consumption mode is different from the second power consumption mode, the power consumption required by the terminal for photographing by using the first power consumption mode is less than the power consumption required by photographing by using the second power consumption mode, and the starting method can be manually started by a user, such as by starting in a setting option, or automatically started when the electric quantity of the terminal is insufficient, so as to prolong the endurance time of the terminal as far as possible. The user may select to use the terminal in the first power consumption mode or the second power consumption mode as desired.
Step S102: responding to the power consumption mode switching instruction, and switching the power consumption mode from a second power consumption mode to a first power consumption mode so as to control the camera module to shoot in the first power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode.
It should be noted that the first power consumption mode includes performing image quality weakening processing on the preview image and/or the imaging image, and the weakening of the photographing image quality is realized by adjusting hardware parameters of the camera module and adjusting photographing software parameters of the terminal, so as to realize a power-saving photographing mode. The image quality reduction process includes, but is not limited to, a preview image, an imaged image, or a recorded image. The first power consumption mode comprises weakening image quality, namely, in a conventional photographing mode, namely a default photographing mode, pictures generated by the terminal are defaulted to be high-definition image quality, and the high-definition image quality is realized in the following mode: on one hand, the physical parameters of the shot camera are adjusted and controlled, on the other hand, the hardware performance of the camera is improved, and in addition, the photos are processed by using software at the later stage. The operations increase the power consumption of photographing, and in a low power mode or in a situation that high definition image quality is not required according to user requirements, image quality processing can be selectively weakened to achieve reduction of photographing power consumption, namely photographing in the first power consumption mode.
Here, the terminal takes a picture according to the first power consumption mode, may be configured to close high definition image quality when the terminal takes a picture, and only retain the preview and basic photographing functions, where the basic photographing function is to ensure that an optimal image quality requirement is met under a condition of low power consumption, and specifically may be configured to close image processing modes such as automatic scene recognition, face brightening and the like in a default photographing mode, and/or reduce image size, definition, output frame rate, photographing application installation package size, exposure table, chromaticity, saturation, sharpness and the like, so as to implement image quality weakening processing on a preview image and/or an imaging image.
In an embodiment, the controlling the camera module of the terminal to take a picture in the first power consumption mode includes:
and weakening the image quality of the preview image, and keeping the image quality of the imaged image unchanged.
In this embodiment, the image quality of the imaged image can be maintained by performing the image quality reduction process only on the preview image, and the image quality of the photographed image can be maintained to the maximum extent in the power-saving photographing mode.
It can be understood that, under different scenes, in order to make the shot photos have the same or similar effect, the camera module of the terminal needs to use different shooting parameters, i.e. different shooting modes. Here, the scene type may be determined through automatic scene recognition. The scene type refers to a type of a current scene where the terminal is located, and in practical application, various scenes in life can be classified according to different preset rules, for example, the scenes in life can be divided into: indoor, outdoor etc. also can be according to the function of scene specifically divide into in the life scene: conference rooms, offices, classrooms, roads, bedrooms, buses, shopping malls, bars, movie theaters, etc. In this embodiment, the scene types are divided from the shooting angle or shooting time, the dividing factors may be light intensity, motion state, distance, viewing angle, theme, style, and the like, and the corresponding scene types may be specifically divided into daytime, nighttime, still, moving, and the like.
Here, since the scene types have diversity, different first power consumption modes can be correspondingly used according to different scene types divided by different dividing factors, and the optimal image quality requirement can be met under the condition of low power consumption. Specifically, the scene types can be divided into a daytime scene and a nighttime scene according to the light intensity, in order to ensure the image quality, the first power consumption mode corresponding to the nighttime scene needs to keep more processing on the image than the daytime scene, that is, under the same low power mode, the first power consumption mode corresponding to the nighttime scene has higher power consumption than the first power consumption mode corresponding to the daytime scene. Similarly, the scene types can be divided into a moving scene and a static scene according to the motion state, the electronic anti-shake function needs to be turned on in the moving scene to ensure that the shot image is not blurred, and the electronic anti-shake function can be turned off in the static scene, so that the power consumption of the first power consumption mode corresponding to the static scene is possibly lower than that of the first power consumption mode corresponding to the moving scene. Of course, in other embodiments, the scene types may be superimposed, and further classified into a daytime moving scene, a daytime static scene, a nighttime moving scene, and a nighttime static scene, and the first power consumption modes corresponding to the corresponding scene types may also be superimposed correspondingly, so as to improve user experience. Therefore, the shooting module of the terminal is controlled to shoot in the first power consumption mode corresponding to the scene type, so that the shooting power consumption is further reduced, and the endurance time of the terminal is prolonged.
In one embodiment, the detecting whether to turn on the first power consumption mode includes: detecting whether the residual electric quantity of the terminal is smaller than or equal to a preset electric quantity threshold value or not; and if so, determining to start the first power consumption mode. The power threshold may be set according to actual requirements, for example, 10%, 15%, or 20% of the total capacity of the terminal battery may be set. In this embodiment, for example, the preset electric quantity threshold is 15% of the total capacity of the battery of the terminal, and if the terminal detects that the current remaining electric quantity is less than 15% of the total capacity of the battery, the terminal automatically starts the first power consumption mode to prolong the endurance time of the terminal. Certainly, when detecting that the remaining power of the terminal is less than or equal to the preset power threshold, the terminal may send a prompt message for determining whether to start the first power consumption mode, and if the user needs to acquire the high-definition image quality, the terminal may select not to start the first power consumption mode, and if the user does not need to acquire the high-definition image quality, the terminal may select to start the first power consumption mode.
In one embodiment, the step of the terminal obtaining the operation instruction for starting the first power consumption mode includes: and starting a first power consumption mode when the terminal detection temperature is greater than or equal to a preset temperature threshold value. The preset temperature threshold value can be set according to actual conditions, for example, a first power consumption mode can be set to be started when the temperature of the CPU terminal is higher than 50 or 60 ℃, a CPU high-temperature early warning signal is sent out at the same time, if the terminal is provided with a cooling device such as a fan, the first power consumption mode can also be set to increase the output power of the terminal to the cooling device so as to reduce the temperature of the CPU.
In one embodiment, the step of the terminal obtaining the operation instruction for starting the first power consumption mode includes: and the terminal starts a first power consumption mode when detecting that the power consumption is larger than or equal to a preset memory power consumption threshold value. The memory power consumption threshold may be set to enable a first power consumption mode when the memory usage exceeds 90%.
In one embodiment, the detecting whether to turn on the first power consumption mode includes: judging whether an instruction sent by a user to enter a first power consumption mode is received; and if so, determining to start the first power consumption mode. Here, the instruction may be an operation instruction manually triggered and input by the user, or an operation instruction input by the user through voice. Here, the terminal may be provided with a user interface for controlling whether the first power consumption mode is turned on, and the user interface may be provided with an open key and an end key, or an integrated key integrated with the open and end functions, or may be provided with a voice recognition module. Specifically, when the user interface is only provided with an open key and an end key, when a user touches the open key, the user is equivalent to the terminal receiving an instruction for starting the first power consumption mode; when the user touches the end key, the terminal receives an instruction for ending the first power consumption mode. Therefore, the user can freely select whether to start the first power consumption mode, and the user experience of photographing by using the terminal is improved.
In an embodiment, as shown in fig. 2, a schematic flow diagram of acquiring a scene type in an embodiment of the present invention is shown, where the acquiring the scene type includes:
step S201: acquiring ambient light intensity information;
the light intensity refers to the brightness of the shot object after the light is projected to the shot object. In practical applications, the skilled person can adjust the three parameters of the sensitivity, the shutter speed and the aperture by changing the light intensity.
Step S202: and determining whether the scene type is day or night according to the ambient light intensity information.
And setting a threshold value for distinguishing a daytime scene and a nighttime scene by analyzing the light intensity information, and controlling the corresponding weakened image quality processing in the first power consumption mode according to the scene type.
In one embodiment, the performing the image quality reduction processing on the preview image and/or the imaged image includes at least one of the following processing: reducing the resolution of the image; reducing the size of the image; reducing the output frame rate of the image; reducing at least one of chroma, saturation, sharpness and contrast of the image; reducing the size of the applied shooting application package; and closing at least one of the automatic scene recognition function, the beautifying function, the face recognition function and the face brightening function.
In an embodiment, the controlling the camera module to take a picture in the first power consumption mode includes: acquiring a scene type; and determining a first power consumption mode corresponding to the scene type according to the scene type, and controlling the camera module to take a picture in the first power consumption mode corresponding to the scene type.
In one embodiment, the scene types include day and night; the adjustment value corresponding to the chroma, and/or the saturation, and/or the sharpness, and/or the contrast is larger in the daytime than in the nighttime. The acquiring the scene type comprises the following steps: acquiring the configured light sensitivity suitable for the camera module; and determining whether the scene type is day time or night time according to the sensitivity. Sensitivity is the sensitivity of the camera, i.e. the sensitivity of the camera sensor to the light of the shooting environment. When the light is bright, the light sensitivity is low, the noise of the image collected by the camera is less, and the imaging quality of the preview image displayed on the display screen is good. On the contrary, when the light is insufficient, the light sensitivity is high, the sensor is sensitive to the light, however, the noise of the image collected by the camera is large, and the imaging quality of the preview image displayed on the display screen is poor. And setting corresponding threshold values in advance according to the performances of different cameras and lenses. The threshold is a criterion for judging insufficient light when the camera shoots, so that parameters and performances such as a lens or a structure of different cameras are different, and different thresholds are provided. After the current sensitivity of the camera is acquired, the sensitivity is compared with the threshold. If the sensitivity is less than 80% of the threshold, it indicates that the current shooting environment of the camera is insufficient, and the display effect of the image acquired by the camera on the display screen is reduced in this environment, i.e. the night scene is determined. The first power consumption mode corresponding to the night scene can be set to be data output of about 3M, the output frame rate of 24 frames, the exposure table limits the maximum frame rate to 24 frames, the chroma, the saturation, the sharpness and the contrast are reduced by 10% to 20%, and the automatic scene recognition function, the beautifying function, the face recognition function and the face brightening function are closed. If the sensitivity is greater than or equal to 80% of the threshold, it is indicated that the current shooting environment of the camera is sufficient in light, and the display effect of the image acquired by the camera on the display screen is good in the environment, namely, the daytime scene is determined. The first power consumption mode corresponding to the daytime scene can be set as data output of about 3M, the output frame rate of 15 frames, the exposure table limits the maximum frame rate of 15 frames, the chroma, the saturation, the sharpness and the contrast are reduced by 60% to 70%, and the automatic scene recognition function, the beautifying function, the face recognition function and the face brightening function are turned off.
Taking the scene type as daytime as an example, fig. 3 is a specific flowchart of an image processing method provided by an embodiment of the present invention, including:
step S301: starting a first power consumption mode;
step S302: automatic scene recognition;
step S303: sensitivity is greater than or equal to 80% of the threshold;
step S304: a daytime scene;
step S305: and 3M or so data output, 15 frames of output frame rate, 15 frames of maximum frame rate limited by an exposure table, 60 to 70 percent reduction of chroma, saturation, sharpness and contrast, and closing of an automatic scene recognition function, a beautifying function, a face recognition function and a face brightening function.
Taking the scene type as the night as an example, fig. 4 is a specific flowchart of another image processing method provided by the embodiment of the present invention, including:
step S401: starting a first power consumption mode;
step S402: automatic scene recognition;
step S403: sensitivity is less than 80% of the threshold;
step S404: a night scene;
step S405: and 3M or so data output, 24 frames of output frame rate, the exposure table limits the maximum frame rate to 24 frames, the chroma, saturation, sharpness and contrast are reduced by 10 to 20 percent, and the automatic scene recognition function, the beautifying function, the face recognition function and the face brightening function are closed.
In an embodiment, the scene type comprises a still scene; the image quality weakening processing of the preview image and/or the imaging image further comprises closing an electronic anti-shaking function. The acquiring of the scene type comprises: acquiring motion state information of the terminal; and determining whether the scene type is a static scene according to the motion state information of the terminal. And acquiring the numerical value of the acceleration sensor in real time during photographing, and judging whether the user is in a moving state according to the acceleration of the camera terminal. If not, the electronic anti-shake sensor can be turned off to reduce power consumption when the electronic anti-shake sensor is in the first power consumption mode.
Taking the scene type as a still example, fig. 5 is a specific flowchart of another image processing method provided in the embodiment of the present invention, including:
step S501: starting a first power consumption mode;
step S502: automatic scene recognition;
step S503: acceleration is zero, no movement state;
step S504: a static scene;
step S505: the electronic anti-shake function is turned off.
In one embodiment, the process of reducing the image quality includes: reducing the resolution of the pictures taken. Pixels are the basic unit of digital image, and the size affecting resolution is usually expressed in Pixels Per Inch (PPI, Pixels Per inc). Therefore, when the image quality is weakened, the image quality can be lowered by reducing the resolution, that is, reducing the pixels per unit sensor area or increasing the area of a single photosensitive pixel, and the power consumption for photographing can be reduced. It should be noted that, taking a terminal as a mobile phone as an example, the light information of a scene is projected to a light-sensitive surface of an image sensor through a lens of a mobile phone camera according to the mobile phone photographing function principle, the image sensor converts light on the light-sensitive surface into electrical signals, a digital signal processing chip converts the electrical signals into digital data, and the digital data is stored in a mobile phone memory through a data bus.
In one embodiment, the process of reducing the image quality includes: and reducing the size of the shot picture to a preset first threshold value and/or reducing the output frame rate to a preset second threshold value. The reduction of the size of the shot photo can be understood as reducing the memory size occupied by the shot photo converted into the digital data and the size of the photo, and the embodiment can reduce the size of the photo by modifying and setting the data output value of the camera to be about 3M; when taking a picture, there is often a preview screen before the shutter is pressed, and the preview screen is actually a continuous output of one frame of image, and is generally described by a frame rate. Frame rate refers to the frequency with which bitmap images of a frame appear continuously on the display, and the time sensitivity and resolution of human vision vary according to the type and characteristics of visual stimuli and vary from individual to individual. The human visual system can process 10 to 12 images per second and perceive them separately, while higher rates are considered motion. Maintaining a high output frame rate can significantly improve the fluency of preview images, and then the more images processed per unit time, the more power consumption. The present embodiment can effectively balance the endurance and the camera effect by reducing the output frame rate to 15 to 25 frames.
In one embodiment, the reducing the image quality includes reducing at least one of chroma, saturation, sharpness, and contrast of the captured picture. The influence parameters of the display effect include, but are not limited to, chromaticity, saturation, sharpness and/or contrast, the higher the value of the physical parameters, the better the photo display effect, and the relatively higher the power consumption, so the power saving can be achieved by properly adjusting the chromaticity, saturation, sharpness and/or contrast.
In one embodiment, the scene types include day and night; the adjustment value corresponding to the chroma, and/or the saturation, and/or the sharpness, and/or the contrast is larger in the daytime than in the nighttime. In a daytime scene, due to good light conditions, the chromaticity, saturation, sharpness and/or contrast can be greatly reduced, and the power consumption is reduced under the condition of meeting the basic photographing effect. In the night scene, if the shooting parameters consistent with the day scene are adopted, the condition that the picture is too dark or fuzzy may occur, and the quality of the shot picture is seriously influenced, so the picture quality and the endurance can be balanced by properly reducing the physical parameters such as chroma, saturation, sharpness and/or contrast.
In one embodiment, the first power consumption mode includes reducing a size of a camera application package being utilized. In order to keep the image effect across the devices consistent, the application program package, i.e., the APK, is generally adapted to match APKs of different sizes according to the size of the display screen of the terminal.
In an embodiment, the first power consumption mode comprises turning off an automatic scene recognition function, and/or turning off a beauty function, and/or turning off a face recognition function, and/or turning off a face brightening function. The automatic scene recognition function refers to recognition and analysis of acquired picture information during camera preview. The beautifying function is a later-stage image processing technology aiming at the face, and generally beautifies and treats the face in a photo according to the mass aesthetic sense, such as brightening eyes, regulating skin color, grinding skin, whitening skin, removing freckles and acnes, fading dark eye circles, heightening nose bridge, realizing three-dimensional V face, whitening teeth, smoothening hair and the like. The face recognition function is a biometric technology for performing identification based on facial feature information of a person. A series of related technologies, also commonly called face recognition and face recognition, are used to collect images or video streams containing faces by using a camera or a video camera, automatically detect and track the faces in the images, and further recognize the detected faces. The face brightening function is similar to the beautifying function, and is also aimed at the later image processing of the face, and the face brightness is mainly increased. The functions are generally synchronously operated when the photographing function is started, and are closed in the first power consumption mode, so that electric quantity waste in the processing process can be avoided.
In an embodiment, the scene type comprises a still scene; the first power consumption mode includes turning off an electronic anti-jitter function. Electronic anti-shake is an image analysis of about two thirds of the area on a light sensitive sensor and then compensation is made with the image of the edges based on the shake, which is used by most cameras. Since the electronic anti-shake function does not contribute much to the still image, turning off in the first power consumption mode can avoid power consumption of the function.
In one embodiment, the performing image quality reduction processing on the imaging image displayed on the chat interface in the running instant messaging application includes: and performing image quality weakening processing on the imaging image of the party and/or the imaging image of the other party displayed on the chat interface in the running instant messaging application. It should be noted that the instant messaging application may specifically be a video call function of a system of the terminal, and may also be a third-party application program such as WeChat, QQ, YY voice, Sina UC, cloud intercom, and the like. It is understood that the processing for weakening the image quality in the instant messaging includes: and weakening the imaging image quality of the party and/or the weakened party in the instant messaging. The weakening processing of the imaging image quality of the instant messaging comprises the following steps: and weakening the image quality of the call image of the party on the instant messaging interface in the mobile terminal of the party, and/or weakening the image quality of the call image of the party on the instant messaging interface in the mobile terminal of the opposite party. The weakening processing of the imaging image quality of the opposite party in instant messaging comprises the following steps: and weakening the imaging image quality of the call imaging of the opposite party on the instant messaging interface in the mobile terminal of the party.
In one embodiment, the performing image quality reduction processing on the imaging image displayed on the chat interface in the running instant messaging application includes: and receiving an imaging image quality switching instruction, and switching the image quality weakening processing of the imaging image of the party and/or the imaging image of the other party displayed on the chat interface in the running instant messaging application. Here, when the user makes an instant call in the first power consumption mode, the imaging quality of the user or the imaging quality of the user can be selectively reduced as required to adapt to different call situations, which is more humanized.
In one embodiment, the performing image quality reduction processing on the imaging image displayed on the chat interface in the running instant messaging application includes: and performing corresponding image quality weakening processing according to the value of the residual electric quantity of the terminal. Here, when the instant call is performed using the terminal in the first power consumption mode, the power amount of the terminal continuously decreases as the instant call is continuously performed. The embodiment can set that the imaging image quality in the instant call is reduced along with the reduction of the terminal power, for example, when the terminal power is 20%, the imaging image quality in the instant call is reduced to 50% of the original image quality; when the electric quantity of the terminal is 15%, the imaging image quality of the instant call is reduced to 30% of the original image quality; when the electric quantity of the terminal is lower than 10%, the imaging image quality of the instant call is changed into black and white image quality or the imaging interface of the instant call is switched into a black screen, and only the instant voice call is supported, so that the cruising of the terminal and the user experience are balanced.
In one embodiment, the method further comprises:
responding to the power consumption mode switching instruction, and switching the power consumption mode from a first power consumption mode to a second power consumption mode so as to control the camera module to shoot in the second power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode.
In this embodiment, the power consumption mode switching instruction may control the terminal to switch the power consumption mode from the low power consumption mode to the normal power consumption mode, or switch the power consumption mode from the low power consumption mode to the high power consumption mode, or switch the power consumption mode from the normal power consumption mode to the high power consumption mode.
In an embodiment, the second power consumption mode includes performing image quality enhancement processing on the preview image and/or the imaged image, and/or performing image quality enhancement processing on the imaged image displayed on the chat interface in the running instant messaging application.
In one embodiment, the second power consumption mode handling policy includes at least one of: increasing the resolution of the image; increasing the size of the image; increasing the output frame rate of the image; heightening at least one of chroma, saturation, sharpness and contrast of the image; increasing the size of the employed shooting application package; and starting at least one of an automatic scene recognition function, a beautifying function, a face recognition function and a face brightening function.
As described above, the image processing method according to the embodiment of the present invention is applied to a terminal having a camera module, and includes: the terminal acquires an operation instruction for starting a first power consumption mode; controlling the camera module to shoot in the first power consumption mode; the first power consumption mode comprises the step of carrying out image quality weakening processing on the preview image and/or the imaging image, and/or carrying out image quality weakening processing on the imaging image displayed on a chat interface in the running instant messaging application. According to the image processing method, the terminal and the computer storage medium, when the camera module of the terminal is controlled to take a picture in the first power consumption mode, the power consumption of the picture can be effectively reduced, the endurance of the terminal is prolonged, and when the camera module of the terminal is controlled to take a picture in the second power consumption mode, the imaging effect of the camera module can be remarkably improved.
Based on the same inventive concept as the foregoing embodiment, an embodiment of the present invention provides a terminal, as shown in fig. 6, including: a camera module 309, a processor 310, and a memory 311 for storing a computer program capable of running on the processor 310; the processor 310 is not used to refer to the number of the processor 310 as one, but is only used to refer to the position relationship of the processor 310 relative to other devices, and in practical applications, the number of the processor 310 may be one or more; similarly, the memory 311 is used in the same sense, that is, only the position relationship of the memory 311 with respect to other devices is used, and in practical applications, the number of the memory 311 may be one or more. Wherein the processor 310 is configured to: detecting whether a first power consumption mode is started, if so, controlling the camera module 309 to take a picture in the first power consumption mode; wherein the first power consumption mode includes performing a picture-quality reduction process on the preview image and/or the imaged image. Alternatively, the processor 310 is configured to: detecting whether a first power consumption mode is started; and if so, performing image quality weakening processing on the imaging image displayed on the chat interface in the running instant messaging application. Meanwhile, the processor 310, when being configured to run the computer program, implements the image processing method as described above.
The terminal may further include: at least one network interface 312. The various components in the terminal are coupled together by a bus system 313. It will be appreciated that the bus system 313 is used to enable communications among the components connected. The bus system 313 includes a power bus, a control bus, and a status signal bus in addition to the data bus. For clarity of illustration, however, the various buses are labeled as bus system 313 in FIG. 6.
The memory 311 may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced DRAM), Synchronous Dynamic Random Access Memory (SLDRAM), Direct Memory (DRmb Access), and Random Access Memory (DRAM). The memory 311 described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory.
The memory 311 in the embodiment of the present invention is used to store various types of data to support the operation of the terminal. Examples of such data include: any computer program for operation on the terminal, such as operating systems and application programs; contact data; telephone book data; a message; a picture; video, etc. The operating system includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks. The application programs may include various application programs such as a Media Player (Media Player), a Browser (Browser), etc. for implementing various application services. Here, the program that implements the method of the embodiment of the present invention may be included in an application program.
In one embodiment, the first power consumption mode is started when the remaining power of the terminal is less than or equal to a preset power threshold; or starting a first power consumption mode when the temperature of the terminal is greater than or equal to a preset temperature threshold; or starting a first power consumption mode when the memory power consumption of the terminal is greater than or equal to a preset memory power consumption threshold value.
In an embodiment, the processor is further configured to: detecting whether a second power consumption mode is started, and if so, controlling the camera module to take a picture in the second power consumption mode; the second power consumption mode comprises image quality enhancement processing on a preview image and/or an imaging image; or detecting whether the second power consumption mode is started, and if so, performing image quality enhancement processing on the imaging image displayed on the chat interface in the running instant messaging application.
Based on the same inventive concept of the foregoing embodiments, this embodiment further provides a computer storage medium, where a computer program is stored in the computer storage medium, where the computer storage medium may be a Memory such as a magnetic random access Memory (FRAM), a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable Programmable Read Only Memory (EEPROM), a flash Memory (flash Memory), a magnetic surface Memory, an optical Disc, or a Compact Disc Read Only Memory (CD-ROM), and the like; or may be a variety of devices including one or any combination of the above memories, such as a mobile phone, computer, tablet device, personal digital assistant, etc. The computer program stored in the computer storage medium, when executed by a processor, implements the image processing method as described above. Please refer to the description of the embodiment shown in fig. 1 for a specific step flow realized when the computer program is executed by the processor, which is not described herein again.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (18)
1. An image processing method is applied to a terminal with a camera module, and is characterized by comprising the following steps:
acquiring a power consumption mode switching instruction;
responding to the power consumption mode switching instruction, and switching the power consumption mode from a second power consumption mode to a first power consumption mode so as to control the camera module to shoot in the first power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode.
2. The image processing method as claimed in claim 1, wherein the first power consumption mode comprises performing image quality reduction processing on the preview image and/or the imaged image, and/or performing image quality reduction processing on the imaged image displayed on the chat interface in the running instant messaging application.
3. The image processing method of claim 1, wherein the first power consumption mode processing policy comprises at least one of: reducing the resolution of the image; reducing the size of the image; reducing the output frame rate of the image; reducing at least one of chroma, saturation, sharpness and contrast of the image; reducing the size of the applied shooting application package; and closing at least one of the automatic scene recognition function, the beautifying function, the face recognition function and the face brightening function.
4. The image processing method according to claim 1, wherein the acquiring the power consumption mode switching instruction step includes:
the terminal starts the first power consumption mode when detecting that the residual electric quantity is less than or equal to a preset electric quantity threshold value;
or, the first power consumption mode is started when the terminal detection temperature is greater than or equal to a preset temperature threshold;
or the terminal starts the first power consumption mode when detecting that the memory power consumption is larger than or equal to a preset memory power consumption threshold value.
5. The image processing method of claim 1, wherein the controlling the camera module to capture in the first power consumption mode comprises: and weakening the image quality of the preview image, and keeping the image quality of the imaged image unchanged.
6. The image processing method of claim 1 or 2, wherein the controlling the camera module to take a picture in the first power consumption mode comprises:
acquiring a scene type;
and determining a first power consumption mode corresponding to the scene type according to the scene type, and controlling the camera module to take a picture in the first power consumption mode corresponding to the scene type.
7. The image processing method according to claim 6, wherein the scene types include a daytime scene and a nighttime scene; the dimming value corresponding to the chrominance and/or the saturation and/or the sharpness and/or the contrast is larger in a daytime scene than in a nighttime scene.
8. The image processing method of claim 6, wherein the scene type includes a still scene; the image quality weakening processing of the preview image and/or the imaging image further comprises closing an electronic anti-shaking function.
9. The image processing method of claim 1, wherein performing image quality reduction processing on the imaged image displayed on the chat interface in the running instant messaging application comprises: and performing image quality weakening processing on the imaging image of the party and/or the imaging image of the other party displayed on the chat interface in the running instant messaging application.
10. The image processing method of claim 9, wherein performing the quality reduction processing on the imaged image displayed on the chat interface in the running instant messaging application comprises: and performing corresponding image quality weakening processing according to the value of the residual electric quantity of the terminal.
11. The image processing method of claim 9, wherein performing the quality reduction processing on the imaged image displayed on the chat interface in the running instant messaging application comprises: and receiving an imaging image quality switching instruction, and switching the image quality weakening processing of the imaging image of the party and/or the imaging image of the other party displayed on the chat interface in the running instant messaging application.
12. The image processing method of claim 1, further comprising:
responding to the power consumption mode switching instruction, and switching the power consumption mode from a first power consumption mode to a second power consumption mode so as to control the camera module to shoot in the second power consumption mode; wherein the power consumption of the first power consumption mode is lower than the power consumption of the second power consumption mode.
13. The image processing method as claimed in claim 1, wherein the second power consumption mode comprises performing image quality enhancement processing on the preview image and/or the imaged image, and/or performing image quality enhancement processing on the imaged image displayed on the chat interface in the running instant messaging application.
14. The image processing method of claim 1, wherein the second power consumption mode processing policy comprises at least one of: increasing the resolution of the image; increasing the size of the image; increasing the output frame rate of the image; heightening at least one of chroma, saturation, sharpness and contrast of the image; increasing the size of the employed shooting application package; and starting at least one of an automatic scene recognition function, a beautifying function, a face recognition function and a face brightening function.
15. A terminal, comprising: the system comprises a camera module, a processor and a memory for storing computer programs; wherein the processor is configured to: detecting whether a first power consumption mode is started, and if so, controlling the camera module to take a picture in the first power consumption mode; the first power consumption mode comprises image quality weakening processing on a preview image and/or an imaging image; or detecting whether the first power consumption mode is started, and if so, performing image quality weakening processing on an imaging image displayed on a chat interface in the running instant messaging application.
16. The terminal of claim 15, wherein the first power consumption mode is enabled when a remaining power of the terminal is less than or equal to a preset power threshold; or starting a first power consumption mode when the temperature of the terminal is greater than or equal to a preset temperature threshold; or starting a first power consumption mode when the memory power consumption of the terminal is greater than or equal to a preset memory power consumption threshold value.
17. The terminal of claim 15, wherein the processor is further configured to: detecting whether a second power consumption mode is started, and if so, controlling the camera module to take a picture in the second power consumption mode; the second power consumption mode comprises image quality enhancement processing on a preview image and/or an imaging image; or detecting whether the second power consumption mode is started, and if so, performing image quality enhancement processing on the imaging image displayed on the chat interface in the running instant messaging application.
18. A computer storage medium, characterized in that a computer program is stored which, when executed, implements the image processing method according to any one of claims 1 to 14.
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