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In-vehicle image processing device and semiconductor device

An image processing device and image processing technology, applied in image communication, optical observation device, electrical digital data processing, etc., can solve problems such as cost increase

Inactive Publication Date: 2015-05-27
RENESAS ELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will increase the cost

Method used

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  • In-vehicle image processing device and semiconductor device
  • In-vehicle image processing device and semiconductor device
  • In-vehicle image processing device and semiconductor device

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0095] First Embodiment

[0096] figure 1 is a block diagram showing an example configuration of the vehicle-mounted image processing device 10 according to the first embodiment of the present invention.

[0097] This in-vehicle image processing device 10 includes a camera module 1 (hereinafter simply referred to as “camera 1 ”) having a lens and an image sensor, an image recognition unit 3 and a determination unit 4 . The camera 1 provided with the reflector 2 is a so-called front camera and can obtain an image (vehicle front image) of an area in front of a vehicle (hereinafter simply referred to as "vehicle") on which the camera 1 is installed, and can obtain a subsequent reference Figure 4 with 5 An image of the area around the vehicle (vehicle peripheral image) displayed in a single picture screen in detail. The camera 1 is mounted, for example, to the back of a rearview mirror installed in a vehicle so that the camera 1 faces the driver's front view.

[0098] figu...

no. 2 example

[0122] Second Embodiment

[0123] Figure 9 is a block diagram showing an example configuration of the vehicle-mounted image processing device 10 according to the second embodiment of the present invention. Unlike the vehicle-mounted image processing device 10 of the first embodiment, the vehicle-mounted image processing device 10 of the second embodiment includes a pair of left and right cameras 1L and 1R constituting a stereo camera system. A stereo camera system is used as a means of measuring distances to objects in the field of view and it includes two cameras. It is capable of measuring distance to objects using parallax images. Similar to the vehicle-mounted image processing device 10 of the first embodiment, the vehicle-mounted image processing device 10 of the second embodiment includes an image recognition unit 3 , a determination unit 4 , and a speed detection unit 7 or 19 . Similar to the reflector 2 installed in front of the camera 1 of the first embodiment, t...

no. 4 example <

[0141] Fourth Embodiment

[0142] The image data clipped in the image recognition unit 3 for the image areas 52, 52L, and 52R showing the image in front of the vehicle and the image areas 53, 53L, and 53R showing the image of the periphery of the vehicle are captured from the viewpoints of the cameras 1, 1L, and 1R. Image. Applying viewpoint conversion processing to such image data enables synthesizing images from different viewpoints. For example, an image of a vehicle seen from above can be synthesized. Such images can be composited using a single camera or multiple cameras of a stereo camera system. Synthesis of such images will be described below based on an example in which only one camera is used for easier description.

[0143] Figure 14 is an explanatory diagram showing image data synthesized by an in-vehicle image processing device according to a fourth embodiment of the present invention.

[0144] In image data synthesis, image data is divided into six regions...

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Abstract

An in-vehicle image processing device capable of appropriately monitoring areas forward of, around, and rearward of a vehicle is provided at low cost. The device is for mounting on a vehicle and includes a camera, an image processing unit, and a determination unit. With a reflector provided in front of the camera, the camera can image, for display in a frame at a time, a first area forward of the vehicle and a second area, e.g. an area around the vehicle. In the image processing unit supplied with such image data from the camera, either the first-area image or the second-area image is appropriately processed whereas image processing is omitted for the other image. Alternatively, both images are subjected to a same image processing. The determination unit supplied with vehicle speed information supplies appropriate control instruction information based on the current vehicle speed to the image processing unit.

Description

[0001] Cross References to Related Applications [0002] The disclosure of Japanese Patent Application No. 2013-241614 filed on Nov. 22, 2013 including specification, drawings and abstract is incorporated herein by reference in its entirety. technical field [0003] The present invention relates to a vehicle-mounted image processing device and a semiconductor device mountable thereon. Specifically, the present invention is suitably applied to an on-vehicle image processing device equipped with an on-vehicle camera capable of front monitoring and peripheral monitoring. Background technique [0004] On a practical level, a monitoring system that uses one or more cameras to monitor the area in front of, around and / or behind a vehicle is an on-board safety mechanism. In many cases, such monitoring systems use radar or sonar devices as sensors in combination with cameras. The on-vehicle monitoring system includes an image input unit, that is, a camera provided with an image sen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/18H04N13/00H04N13/02B60R1/00H04N13/239
CPCH04N2213/001B60R2300/306B60R2300/70H04N13/239G06F1/3265B60R2300/105B60R2300/303B60R2300/605Y02D10/00G06V20/56B60R1/28B60R1/23B60R1/31
Inventor 寺岛和昭
Owner RENESAS ELECTRONICS CORP