JP2019117573A5 - - Google Patents

Download PDF

Info

Publication number
JP2019117573A5
JP2019117573A5 JP2017252146A JP2017252146A JP2019117573A5 JP 2019117573 A5 JP2019117573 A5 JP 2019117573A5 JP 2017252146 A JP2017252146 A JP 2017252146A JP 2017252146 A JP2017252146 A JP 2017252146A JP 2019117573 A5 JP2019117573 A5 JP 2019117573A5
Authority
JP
Japan
Prior art keywords
person
width
passage
distance
calculating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2017252146A
Other languages
Japanese (ja)
Other versions
JP2019117573A (en
JP6824152B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2017252146A priority Critical patent/JP6824152B2/en
Priority claimed from JP2017252146A external-priority patent/JP6824152B2/en
Publication of JP2019117573A publication Critical patent/JP2019117573A/en
Publication of JP2019117573A5 publication Critical patent/JP2019117573A5/ja
Application granted granted Critical
Publication of JP6824152B2 publication Critical patent/JP6824152B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Claims (16)

通路の幅方向と前記幅方向に垂直な移動方向とを含む通路面の上を移動する人の数を計測する人数計測装置であって、
回転軸を中心に回転しながら前記回転軸に垂直な方向にレーザ光を放射し、前記人からの反射光を検出して、前記人までの距離を測定するスキャン型の距離センサと、
前記距離センサによって測定された距離データと、前記距離センサの前記レーザ光の照射方向データとを用いて、前記通路上の人の位置を算出する人位置算出部と、
前記人位置算出部によって算出された前記人の位置の時間変化に基づいて、前記通路を通過した人の数を数える計数部と、を含み、
前記距離センサの前記回転軸は、前記通路面に垂直な方向を基準として、前記幅方向に第１の角度だけ傾斜し、かつ、移動方向に第２の角度だけ傾斜したことを特徴とする人数計測装置。 A people counting device that measures the number of people moving on a passage surface including a width direction of the passage and a movement direction perpendicular to the width direction,
A laser beam is emitted in the direction perpendicular to the rotary shaft while rotating about an axis of rotation, and detects the reflected light from the human, and scan type distance sensor for measuring a distance to the person,
Using a distance data measured by the distance sensor and the irradiation direction data of the laser light of the distance sensor, a person position calculation unit that calculates the position of a person on the passage.
A counting unit that counts the number of people who have passed through the passage based on the time change of the position of the person calculated by the person position calculation unit,
Wherein the rotation axis of the distance sensor is inclined by a first angle in the width direction with respect to a direction perpendicular to the passage surface, and is inclined by a second angle in the movement direction. Measuring device. 前記距離センサは、前記距離センサの前記通路面からの垂直方向への距離が、前記人の頭頂部と前記通路面との距離よりも大きい位置に配置されることを特徴とする請求項１に記載の人数計測装置。   2. The distance sensor according to claim 1, wherein a distance of the distance sensor in a vertical direction from the passage surface is greater than a distance between a top of the person and the passage surface. 3. The described person counting device. 前記計数部は、更に、前記通路を通過した人の通過方向を算出し、前記通過方向ごとの通過人数を数えることを特徴とする請求項１または２のいずれかに記載の人数計測装置。   The number counting device according to claim 1, wherein the counting unit further calculates a passing direction of a person who has passed through the passage, and counts the number of people passing by each passing direction. 前記通路は、階段であり、前記通路面は、前記階段の各段の踏面と蹴上げとが交わる線を通る面であることを特徴とする請求項１〜３のいずれかに記載の人数計測装置。   The number measuring device according to any one of claims 1 to 3, wherein the passage is a stair, and the passage surface is a surface passing through a line at which a tread of each step of the stairs and a rise are crossed. . 前記第１の角度は、前記階段の横幅を分母とし、前記階段の蹴上げの長さを分子とする値の逆正接である角度以上の角度であることを特徴とする請求項４に記載の人数計測装置。   5. The number of persons according to claim 4, wherein the first angle is an angle equal to or larger than an angle that is an arc tangent of a value having a width of the stair as a denominator and a length of a rise of the stair as a numerator. Measuring device. 前記人位置算出部における前記人の位置と前記人の横幅の算出は、ミーンシフト法を用いたクラスタリングによって行われることを特徴とする請求項１〜５のいずれかに記載の人数計測装置。The number measurement apparatus according to claim 1, wherein the calculation of the position of the person and the width of the person in the person position calculation unit is performed by clustering using a mean shift method. 前記人位置算出部は、単位時間ごとに、前記距離データから座標データを算出し、該座標データを用いて、前記人の位置と、前記人の横幅と、を算出して記憶することを特徴とする請求項１〜６のいずれかに記載の人数計測装置。The person position calculation unit calculates coordinate data from the distance data for each unit time, and calculates and stores the position of the person and the width of the person using the coordinate data. The number measuring device according to any one of claims 1 to 6. 前記人位置算出部は、算出された前記人の横幅が所定の閾値よりも大きい場合、前記人の横幅を算出するために用いられた複数の前記座標データを、１単位時間前に算出され記憶された前記人に対応する人の横幅の範囲内にある第１座標データと、該人の横幅の範囲外にある第２座標データと、に分割し、前記第１座標データおよび前記第２座標データを用いて、再度前記人の位置と、前記人の横幅と、を算出して記憶することを特徴とする請求項７に記載の人数計測装置。 When the calculated width of the person is larger than a predetermined threshold, the person position calculation unit calculates and stores a plurality of pieces of the coordinate data used for calculating the width of the person one unit time ago. The first coordinate data within the range of the width of the person corresponding to the obtained person and the second coordinate data outside the range of the width of the person are divided, and the first coordinate data and the second coordinates are divided. 8. The apparatus according to claim 7 , wherein the position of the person and the width of the person are calculated and stored again using data. 通路の幅方向と前記幅方向に垂直な移動方向とを含む通路面の上を移動する人の数を計測する方法であって、
前記通路面に垂直な方向を基準として、前記幅方向に第１の角度だけ傾斜し、かつ、移動方向に第２の角度だけ傾斜した回転軸に垂直な方向に、前記回転軸を中心に回転しながら、レーザ光を放射し、前記人からの反射光を検出して前記人までの距離を測定するステップと、
測定された距離データと、前記レーザ光の照射方向データとを用いて、前記通路上の人の位置を算出する人位置算出ステップと、
前記人位置算出ステップにおいて算出された前記人の位置の時間変化に基づいて、前記通路を通過した人の数を数える人数計数ステップと、を含む人数計測方法。 A method of measuring the number of people moving on a passage surface including a width direction of the passage and a movement direction perpendicular to the width direction,
Rotating around the rotation axis in a direction perpendicular to the rotation axis inclined at a first angle in the width direction and inclined at a second angle in the movement direction with reference to a direction perpendicular to the passage surface While emitting laser light, detecting the reflected light from the person and measuring the distance to the person,
Using the measured distance data and the irradiation direction data of the laser beam, a person position calculating step of calculating a position of a person on the passage,
A person counting method for counting the number of people passing through the passage based on the time change of the position of the person calculated in the person position calculating step. 前記距離を測定するステップにおいて、前記レーザ光は、前記通路面からの垂直方向への距離が、前記人の頭頂部と前記通路面との距離よりも大きい位置から放射されることを特徴とする請求項９に記載の人数計測方法。   In the step of measuring the distance, the laser light is emitted from a position where a distance in a vertical direction from the passage surface is larger than a distance between the top of the person and the passage surface. The method for measuring the number of people according to claim 9. 前記人数計数ステップは、更に、前記通路を通過した人の通過方向を算出し、前記通過方向ごとの通過人数を数える工程を含むことを特徴とする請求項９または１０のいずれかに記載の人数計測方法。   The number of people according to claim 9, wherein the number of people counting step further includes a step of calculating a passing direction of a person who has passed through the passage, and counting the number of people passing through each of the passing directions. Measurement method. 前記通路は、階段であり、前記通路面は、前記階段の各段の踏面と蹴上げとが交わる線を通る面であることを特徴とする請求項９〜１１のいずれかに記載の人数計測方法。   The method according to any one of claims 9 to 11, wherein the passage is a stair, and the passage surface is a surface that passes through a line where a tread of each step of the stairs and a rise are crossed. . 前記第１の角度は、前記階段の横幅を分母とし、前記階段の蹴上げの長さを分子とする値の逆正接である角度以上の角度であることを特徴とする請求項１２に記載の人数計測方法。   13. The number of persons according to claim 12, wherein the first angle is an angle that is equal to or greater than an angle that is an arc tangent of a value having a width of the stair as a denominator and a length of a rise of the stair as a numerator. Measurement method. 前記人位置算出ステップにおける前記人の位置と前記人の横幅の算出は、ミーンシフト法を用いたクラスタリングによって行われることを特徴とする請求項９〜１３のいずれかに記載の人数計測方法。The method according to any one of claims 9 to 13, wherein the calculation of the position of the person and the width of the person in the step of calculating the position of the person is performed by clustering using a mean shift method. 前記人位置算出ステップは、単位時間ごとに、前記距離データから座標データを算出し、該座標データを用いて、前記人の位置と、前記人の横幅と、を算出して記憶する工程を含むことを特徴とする請求項９〜１４のいずれかに記載の人数計測方法。The human position calculating step includes a step of calculating coordinate data from the distance data for each unit time, and calculating and storing the position of the person and the width of the person using the coordinate data. The method for measuring the number of people according to any one of claims 9 to 14, wherein: 前記人位置算出ステップは、算出された前記人の横幅が所定の閾値よりも大きい場合、前記人の横幅を算出するために用いられた複数の前記座標データを、１単位時間前に算出され記憶された前記人に対応する人の横幅の範囲内にある第１座標データと、該人の横幅の範囲外にある第２座標データと、に分割し、前記第１座標データおよび前記第２座標データを用いて、再度前記人の位置と、前記人の横幅と、を算出して記憶する工程を含むことを特徴とする請求項１５に記載の人数計測方法。 The person position calculating step includes calculating and storing a plurality of pieces of the coordinate data used for calculating the width of the person one unit time before when the calculated width of the person is larger than a predetermined threshold value. The first coordinate data within the range of the width of the person corresponding to the obtained person and the second coordinate data outside the range of the width of the person are divided, and the first coordinate data and the second coordinates are divided. The method according to claim 15 , further comprising a step of calculating and storing again the position of the person and the width of the person using the data.
JP2017252146A 2017-12-27 2017-12-27 Number measurement device and number measurement method Active JP6824152B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017252146A JP6824152B2 (en) 2017-12-27 2017-12-27 Number measurement device and number measurement method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017252146A JP6824152B2 (en) 2017-12-27 2017-12-27 Number measurement device and number measurement method

Publications (3)

Publication Number Publication Date
JP2019117573A JP2019117573A (en) 2019-07-18
JP2019117573A5 true JP2019117573A5 (en) 2020-01-30
JP6824152B2 JP6824152B2 (en) 2021-02-03

Family

ID=67305384

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017252146A Active JP6824152B2 (en) 2017-12-27 2017-12-27 Number measurement device and number measurement method

Country Status (1)

Country Link
JP (1) JP6824152B2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6893365B2 (en) * 2019-06-25 2021-06-23 国立研究開発法人産業技術総合研究所 Semiconductor laser
JP7216631B2 (en) * 2019-10-09 2023-02-01 Kddi株式会社 TERMINAL DEVICE, SYSTEM, PASSING NUMBER MEASUREMENT METHOD, AND COMPUTER PROGRAM
JP7493154B2 (en) 2020-06-08 2024-05-31 パナソニックＩｐマネジメント株式会社 Information processing device and counting method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10334207A (en) * 1997-05-29 1998-12-18 Matsushita Electric Ind Co Ltd Human stream measuring instrument
JP3815019B2 (en) * 1998-01-20 2006-08-30 株式会社デンソー Vehicle type identification device
JP4165524B2 (en) * 2005-05-20 2008-10-15 株式会社Ｉｈｉ Passing number detection device and method
JP2011196916A (en) * 2010-03-23 2011-10-06 Mitsubishi Electric Corp Measuring vehicle, and road feature measuring system
US10155642B2 (en) * 2014-02-16 2018-12-18 Amir Hussein GHADAMOSSOLTANI Intelligent escalator emergency stop system (IE2S2)

Similar Documents

Publication Publication Date Title
JP2019117573A5 (en)
US9571796B2 (en) Noncontact measuring device
JP2016531681A5 (en)
JP2012220338A5 (en)
JP2015519624A5 (en)
JP5241461B2 (en) Passenger detection device for passenger conveyor
JP2017129992A5 (en)
JP2016129565A5 (en)
JP2011196899A (en) Inner diameter measuring device
JP2018500996A5 (en)
RU2017100254A (en) TOUCH DEVICE, MEASUREMENT DEVICE AND METHOD OF MEASUREMENTS
JP2015225083A (en) Method for determining closed trajectory by means of laser and laser light sensor, and apparatus for determining closed trajectory
JP2020190429A5 (en)
KR100628351B1 (en) Apparatus for measuring shape of wheel using multiline laser
JP2020076711A5 (en)
US11189036B2 (en) Optical sensor for odometry tracking to determine trajectory of a wheel
CN106796727B (en) 3D intraoral measurements using optical multiline method
JP2014147741A5 (en)
JP2016049393A5 (en)
AU2018251941A1 (en) Method of human body recognition and human body recognition sensor
JP2015031672A (en) Data generation method and data generation device
JP2019117573A (en) Person counter and person counting method
JPWO2018142613A1 (en) Detection device
US20180031596A1 (en) Speed Analyzer
JP6031386B2 (en) Walking measurement system