TRAFFIC FLOW MEASURING METHOD AND APPARATUS

Patent №

US 5,283,573

Granted

1994-02-01

Filed 1991

Owner

HITACHI, LTD.

Lab

AI components

1

vision

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

07692718

This invention relates to a method an apparatus for measuring traffic flows or in other words, the flows of vehicles, inside and near a crossing, and is directed to provide method and apparatus capable of extracting vehicles with a high level of accuracy. Overlap of vehicles can be avoided by setting the field of a camera not to a range from the inflow portion to the vicinity of center of the crossing, but to a range from the center to the vicinity of the outflow portion (151) of the crossing. Accordingly, accuracy of traffic flow measurement can be improved.

VisionG08G 1/08G08G 1/04

AI classification

Vision1.00
AI hardware0.01
Knowledge representation0.01
Evolutionary computation0.00
Natural language0.00
Speech0.00
Machine learning0.00
Planning0.00

Ownership

HITACHI, LTD.

assignment · 57860100

Assignors

TAKATOU, MASAO, TAKAHASHI, KAZUNORI, HAMADA, NOBUHIRO, KITAMURA, TADAAKI, KIKUCHI, KUNIYUKI, TAKENAGA, HIROSHI, MOROOKA, YASUO

On an employer assignment, the assignors are typically the inventors.

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