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Image processing process, image processing apparatus, image processing system

An image processing device and image processing technology, which are applied in image data processing, image enhancement, image analysis and other directions, can solve problems such as inability to identify, and achieve the effect of improving detection accuracy

Active Publication Date: 2011-11-09
FUJITSU LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, there will be the following false detection problem: when only the left half of the face is irradiated with sunlight and the partiality change is caused, the dark part that is not irradiated by sunlight cannot be recognized as a face, but only the bright part is detected. for the face contour

Method used

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  • Image processing process, image processing apparatus, image processing system
  • Image processing process, image processing apparatus, image processing system
  • Image processing process, image processing apparatus, image processing system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0068] figure 1 It is a block diagram of a configuration example of the image processing system in Embodiment 1 of the present invention. exist figure 1 1 in the vehicle is an imaging device such as an on-board camera installed in a vehicle. The imaging device 1 communicates with a communication network such as an in-vehicle LAN (Local Area Network) constituted by a communication line such as a dedicated cable or wired or wireless, and performs image processing. The processing device 2 is connected. The imaging device 1 is arranged in front of the driver such as handles and instrument panels in the vehicle, and can adjust the shooting state so that the horizontal and vertical directions of the driver's face become horizontal or vertical.

[0069] The imaging device 1 includes: an MPU (Micro Processer Unit) 11 for controlling the whole of the device, a ROM (Read Only Memory) 12 for recording various computer programs and data executed based on the control of the MPU 11, and a...

Embodiment approach 2

[0104] Figure 11 It is a block diagram of a configuration example of an image processing system in Embodiment 2 of the present invention. Figure 11 Among them, 1 is an imaging device, and the imaging device 1 is connected to the image processing device 2 through a dedicated cable, for example. The imaging device 1 includes an MPU 11 , a ROM 12 , a RAM 13 , an imaging unit 14 , an A / D converter 15 , a frame memory 16 , and a communication interface 17 .

[0105] The image processing device 2 includes a CPU 21, an auxiliary recording unit 22, an HD 23, a RAM 24, a frame memory 25, and a communication interface 26. The auxiliary recording unit 22 stores various information such as a computer program 32 and data according to Embodiment 2 of the present invention. By reading various information from the recording medium 42 and recording them in the HD 23 and RAM 24, and executing them by the CPU 21, the image processing device 2 can execute various steps in Embodiment 2 of the p...

Embodiment approach 3

[0116] Figure 17 It is a block diagram showing a configuration example of an image processing system in Embodiment 3 of the present invention. Figure 17 Among them, 1 is an imaging device, and the imaging device 1 is connected to the image processing device 2 through a dedicated cable, for example. The imaging device 1 includes an MPU 11 , a ROM 12 , a RAM 13 , an imaging unit 14 , an A / D converter 15 , a frame memory 16 , and a communication interface 17 .

[0117] The image processing device 2 has a CPU 21, an auxiliary recording unit 22, an HD 23, a RAM 24, a frame memory 25, and a communication interface 26. The auxiliary recording unit 22 records various information such as a computer program 33 and data according to Embodiment 3 of the present invention. Various kinds of information are read from the medium 43 and recorded in the HD 23 and RAM 24, and executed by the CPU 21, whereby the image processing device 2 can execute various steps of Embodiment 3 of the present...

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Abstract

There are provided an image processing method, an image processing system, an image processing device, and a computer program for detecting a detection object such as nostrils of a driver with a high accuracy by using an on-vehicle camera mounted on a vehicle, for example, for imaging a face of the driver. A plurality of positions in the vertical direction upon imaging are detected as candidates.For each of the pixel rows arranged in the horizontal directions corresponding to the respective positions detected, a range as a candidate of a detection object is detected according to the pixel luminance. According to the length of the range detected, a detection object is identified among the candidates of the detection object. Thus, various detection objects can be used.

Description

[0001] technology area [0002] The present invention relates to an image processing method for detecting a specific detection object from a two-dimensional image obtained by arranging pixels in different first and second directions, an image processing device to which the image processing method is applied, and a The image processing system of the image processing device and the computer program for realizing the image processing device particularly relate to an image processing method, an image processing device, an image processing system and a computer program capable of improving the detection accuracy of a detection object. Background technique [0003] As a device for assisting the driving of vehicles such as automobiles, an image processing device has been proposed in which a driver's face is photographed by an on-vehicle camera arranged at a position where the driver's face can be photographed, and based on the obtained image, Image processing for detecting the outlin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T7/00
CPCG06K9/00791G06T7/0042G06T2207/30201G06K9/00241G06K9/00832G06K9/4647G06T7/73G06V40/165G06V20/59G06V10/507
Inventor 伊藤寿雄马场幸三田福明义斋藤拓东野全寿片桐卓
Owner FUJITSU LTD