Vehicular video processing device and vehicular video processing system
An image processing and vehicle technology, applied in the field of image processing devices for vehicles, can solve the problems of difficult image processing and low customization of the main CPU.
Inactive Publication Date: 2015-08-05
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. A main central processing unit (CPU) 4 , a Power Management Integrated Circuit (PMIC) 5 , a Clock Generate Integrated Circuit (CGIC) 6 , a memory (MEMORY) 7 and the like used as a pair with the main CPU 4 are mounted on the digital board...
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A vehicular video processing device (11) comprises a clock output unit (36) and an output unit (34). A video signal which is outputted from an external video apparatus (10, 13) and which has a prescribed video format and a first bit width is inputted into the vehicular video processing device via a video signal receiving unit (8, 9) together with a first clock signal which is appended to the video signal. The clock output unit outputs a second clock signal having a frequency which is the frequency of the first clock signal multiplied by a predetermined multiple. The output unit converts the video signal having the first bit width to a video signal having a second bit width which is smaller than the first bit width according to the multiple, and outputs the video signal having the second bit width together with the second clock signal. With the present device, it is possible to appropriately image process a video signal, even when inputting a video signal of a format which is not suited to direct input of a video signal, from an external video apparatus into an output-side device.
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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Login to View More IPC IPC(8): G09G5/00B60R11/02G09G5/391
CPCG09G3/3406G09G2340/06G09G5/006G09G5/363G09G2380/10G09G2340/0442G09G5/008G09G5/00G09G5/391G09G2340/0407G09G2370/20H04N5/04H04N5/268H04N7/01H04N21/41422H04N21/440218
Inventor 桥爪崇
Owner DENSO CORP