KR20140019501A - 장애물 인식을 위한 분류기의 생성방법 - Google Patents
장애물 인식을 위한 분류기의 생성방법 Download PDFInfo
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/86—Combinations of radar systems with non-radar systems, e.g. sonar, direction finder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/91—Radar or analogous systems specially adapted for specific applications for traffic control
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/28—Details of pulse systems
- G01S7/285—Receivers
- G01S7/292—Extracting wanted echo-signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
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- G—PHYSICS
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
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- Physics & Mathematics (AREA)
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 장애물 인식을 위한 분류기의 생성방법의 순서도.
도 3은 2차원 좌표계에서 표시된 표면데이터를 얻는 과정을 나타낸 도면.
도 4는 2차원 좌표계에서 표시된 표면데이터의 예시를 나타낸 도면.
도 5는 본 발명의 일 실시예에 따른 장애물 인식을 위한 분류기의 생성방법의 투영기준을 나타낸 도면.
도 6은 본 발명의 일 실시예에 따른 장애물 인식을 위한 분류기의 생성방법의 프로파일기준을 나타낸 도면.
도 7 내지 8은 본 발명의 일 실시예에 따른 장애물 인식을 위한 분류기의 생성방법의 굴곡기준을 설명하기 위한 도면.
도 9 내지 10은 본 발명의 일 실시예에 따른 장애물 인식을 위한 분류기의 생성방법을 설명하기 위한 도면.
S300 : 분석단계 S400 : 생성단계
S500 : 수정단계
Claims (9)
- 거리측정센서로 측정한 장애물의 표면데이터를 2차원 좌표계로 표시하는 좌표생성단계(S100);
상기 2차원 좌표계에서 표시된 표면데이터를 장애물별로 군집화하여 구분하는 클러스터링단계(S200);
상기 2차원 좌표계에서 장애물별로 표시되는 영역기반의 특성을 분석할 수 있는 복수의 특징기준을 마련하고, 군집화된 장애물별로 각각의 특징기준들을 계산하는 분석단계(S300); 및
상기 특징기준들마다 가중치를 부여하여 분류기를 생성하는 생성단계(S400);를 포함하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 생성단계(S400)는, 생성된 분류기에 따른 결과값을 도출하고, 결과값을 미리 마련된 정답과 비교하여 결과값과 정답이 불일치하는 경우 가중치를 조절하는 수정단계(S500);를 더 포함하는 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 거리측정센서는 레이더센서 또는 레이저센서인 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 좌표생성단계(S100)는 거리측정센서로 측정한 장애물의 표면데이터를 지표면과 평행인 X-Y축으로 표현되는 지표면좌표계에 수직으로 투영하여 표시하는 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 특징기준에는 군집화된 장애물이 2차원 좌표계에서 차지하는 면적값인 면적기준이 포함된 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 특징기준에는 2차원 좌표계에서 표시되는 군집화된 장애물의 중점의 좌표값인 중점기준이 포함된 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 특징기준에는 2차원 좌표계에서 표시되는 군집화된 장애물을 구성하는 각각의 표면데이터가 해당 장애물의 중점의 좌표값으로부터 떨어진 정도인 이격기준이 포함된 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 특징기준에는 군집화된 장애물의 둘레 길이값인 둘레기준이 포함된 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법. - 청구항 1에 있어서,
상기 특징기준에는 군집화된 장애물의 면적값과 둘레 길이값으로 계산되어 둥근 정도를 나타내는 둥글기기준이 포함된 것을 특징으로 하는 장애물 인식을 위한 분류기의 생성방법.
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020120085546A KR20140019501A (ko) | 2012-08-06 | 2012-08-06 | 장애물 인식을 위한 분류기의 생성방법 |
| US13/713,820 US9207320B2 (en) | 2012-08-06 | 2012-12-13 | Method and system for producing classifier for recognizing obstacle |
| DE102012223675.9A DE102012223675A1 (de) | 2012-08-06 | 2012-12-19 | Verfahren und System zum Erzeugen eines Klassifikators zum Erkennen eines Hindernisses |
| CN201210599000.9A CN103577834B (zh) | 2012-08-06 | 2012-12-24 | 产生用于识别障碍物的分类器的方法和系统 |
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| KR1020120085546A KR20140019501A (ko) | 2012-08-06 | 2012-08-06 | 장애물 인식을 위한 분류기의 생성방법 |
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| US (1) | US9207320B2 (ko) |
| KR (1) | KR20140019501A (ko) |
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| DE (1) | DE102012223675A1 (ko) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103577834A (zh) | 2014-02-12 |
| US20140035777A1 (en) | 2014-02-06 |
| DE102012223675A1 (de) | 2014-02-06 |
| CN103577834B (zh) | 2018-10-23 |
| US9207320B2 (en) | 2015-12-08 |
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