Image processing device for vehicle and image processing system for vehicle
A technology for image processing and vehicles, which is applied in the field of image processing devices for vehicles, and can solve problems such as difficult image processing and low customization of the main CPU
Inactive Publication Date: 2017-05-24
DENSO CORP
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Problems solved by technology
[0008] On the contrary, due to the low customization of such a main CPU, there are various constraints when using it.
In particular, the input system of the main CPU has a small number, such as single channel, and is set to be less than the input bit width (first bit width) of, for example, an 18-bit video system, for example, 8 bits (second bit width). In this case, there are various constraints, so it is difficult to use existing technology for image processing
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no. 1 Embodiment approach
[0027] Such as figure 2 As shown, an in-vehicle device (IN-V DEVICE) 1 is configured to be mounted on a vehicle (not shown), and is configured by incorporating a digital board (DIGT BD) 2 and a power board (PW SC BD) 3 . The vehicle device 1 may be fixedly attached to the vehicle, or may be attached in a detachable state. The digital board 2 and the power board 3 are electrically connected by wiring, and power and data transmission between electrical components mounted on the respective boards 2 and 3 can be performed.
[0028] In the following description, the signal processing circuit of the video processing system will be mainly described, and the description of the signal processing circuit of the audio processing system will be omitted. Mounted on the digital substrate 2 are a main central processing unit (CPU) 4 , a Power Management Integrated Circuit (PMIC) 5 , a Clock Generate Integrated Circuit (CGIC) 6 , and a memory (MEMORY) 7 used as a pair with the main CPU 4 . ...
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A video processing device (11) for a vehicle includes a clock output unit (36) and an output unit (34). A video signal output from an external video device (10, 13) and having a predetermined video format and a first bit width is input to the vehicle from a video signal receiving unit (8, 9) together with a first clock signal attached to the video signal. With image processing device. The clock output unit outputs a second clock signal having a frequency obtained by multiplying the frequency of the first clock signal by a preset multiplier. The output unit converts the video signal having the first bit width into a video signal having a second bit width smaller than the first bit width according to the multiplier, and outputs the video signal having the second bit width together with the second clock signal. According to the above device, even when a video signal in a format that is not suitable for directly inputting a video signal from an external video device is input to the output side device, it is possible to properly perform image processing on the video signal.
Description
[0001] Cross-reference of related applications [0002] This indication is based on the Japanese application number 2012-262547 for which it applied on November 30, 2012, and uses the description content here. technical field [0003] The present disclosure relates to a vehicular image processing device that receives and processes a plurality of video inputs, and a vehicular image processing system that processes images using the processing device. Background technique [0004] In recent years, with the development of digital technology, image processing technology is also developing. The technique of such a video processing device is disclosed in Patent Document 1, for example. In this Patent Document 1, a system including a DVD player and a TV monitoring system is disclosed. On the TV monitoring system side, when receiving TVSystem as data from a DVD player, it is compared with the current TVSystem and judged. Each IC of the controller. [0005] According to this metho...
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IPC IPC(8): G09G5/00B60R11/02G09G5/391
CPCG09G3/3406G09G5/006G09G5/008G09G5/363G09G2340/0442G09G2340/06G09G2380/10G09G5/00G09G5/391G09G2340/0407G09G2370/20H04N5/04H04N5/268H04N7/01H04N21/41422H04N21/440218
Inventor 桥爪崇
Owner DENSO CORP