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Image data processing method and mobile terminal
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An image processing and mobile terminal technology, applied in the field of communication, can solve the problems of high power consumption and long time to start the camera.
Active Publication Date: 2019-06-07
VIVO MOBILE COMM CO LTD
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[0004] Embodiments of the present invention provide a method for processing image data and a mobile terminal to solve the problems of high power consumption in the working mode of the existing mobile phone and long time-consuming camera startup
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no. 1 example
[0032] The image data processing method in the embodiment of the present invention is applied to a mobile terminal. Wherein, the mobile terminal includes a coprocessor, a CPU and an image sensor, the CPU includes an ISP, the coprocessor communicates with the CPU, and the coprocessor communicates with the image sensor.
[0033] refer to figure 1 As shown, the image data processing method of the embodiment of the present invention includes:
[0034] Step 101, when the image signal processor ISP of the central processing unit CPU is in a dormant state, the coprocessor starts the image sensor to collect images.
[0035] Here, when the ISP of the CPU is in the dormant state, the image sensor is started to work through the coprocessor, and the ISP does not need to be started by the CPU, so that the ISP of the CPU can continue to be in the dormant state, saving power.
[0036] Step 102, the coprocessor acquires initial image data collected by the image sensor.
[0037] Here, the i...
no. 2 example
[0049] The image data processing method in the embodiment of the present invention is applied to a mobile terminal. Wherein, the mobile terminal includes a coprocessor, a CPU and an image sensor, the CPU includes an ISP, the coprocessor communicates with the CPU, and the coprocessor communicates with the image sensor.
[0050] refer to figure 2 As shown, the image data processing method of the embodiment of the present invention includes:
[0051] Step 201, when the mobile terminal is in the power-on state, the CPU supplies power to the coprocessor.
[0052] Here, after the mobile terminal is turned on, the power management module of the CPU supplies power to the coprocessor, so that the coprocessor starts to work.
[0053] In step 202, the CPU starts the coprocessor to start working.
[0054] Here, after the CPU starts the coprocessor to start working, the data collected by the image sensor can be processed through the coprocessor, and the CPU can do other work or go to s...
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Abstract
The invention provides an image data processing method and a mobile terminal, relates to the technical field of communication, and solves the problems of high power consumption in the working mode of the existing mobile phone and long time-consuming camera start-up. The method includes: when the ISP of the CPU is in a dormant state, the coprocessor starts the image sensor to collect images; the coprocessor acquires initial image data collected by the image sensor; the coprocessor performs image processing on the initial image data to generate image processing information; If the coprocessor receives the handshakesignal sent by the CPU, it sends the image processing information to the CPU; and the CPU starts a preset application program according to the image processing information. The scheme of the present invention processes the image data collected by the image sensor through the coprocessor when the ISP of the CPU is in sleep mode, without the need for the CPU to work together, which saves power, and enables the CPU to quickly start applications such as cameras by using the processing results, shortening the start-up time. time consuming.
Description
technical field [0001] The invention relates to the field of communication technology, in particular to a method for processing image data and a mobile terminal. Background technique [0002] At present, the image sensor image sensor on the mobile phone is connected to the CPU (Central Processing Unit, central processing unit) through the MIPI (Mobile Industry Processor Interface, mobile industry processor interface) line. The image data acquired by the image sensor is transmitted frame by frame through the MIPI line to the CPU's ISP (Image Signal Processor, Image Signal Processor) for processing, so as to realize the image preview and camera functions of the camera. [0003] At present, when the image sensor on the mobile phone works, the CPU needs to work together, which consumes a lot of power; when the camera starts to work, the ISP of the CPU also needs to be started, which takes a long time to start. Contents of the invention [0004] Embodiments of the present inve...
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