DETECTION SYSTEM AND DETECTING METHOD FOR CAR

• US 20110215915A1
• Filed: 06/15/2010
• Published: 09/08/2011
• Est. Priority Date: 03/02/2010
• Status: Abandoned Application

• Current Assignee: Hon Hai Precision Industry Co., Ltd.
• Original Assignee: Hon Hai Precision Industry Co., Ltd.
• Inventors: LO, CHIH-PING, LEE, HOU-HSIEN, LEE, CHANG-JUNG
• Application Number:
  US12/816,338
• Publication Number:
  US 20110215915A1
• Time in Patent Office: Days
• US Class Current: 340/435
• CPC Class Codes: B60Q 1/00 Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor for lighting vehicle interior B60Q3/00
• CPC Class Codes: B60W 2420/403 Image sensing, e.g. optical camera
• CPC Class Codes: B60W 2420/42 Image sensing, e.g. optical camera
• CPC Class Codes: B60W 50/14 Means for informing the driver, warning the driver or prompting a driver intervention
• CPC Class Codes: G06V 20/58 Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
• CPC Class Codes: H04N 7/18 Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast

Abstract

A detection system used for a car includes a number of time-of-flight (TOF) cameras and a processing unit. The TOF cameras capture images and obtain distance data between objects near the car and the TOF cameras. The processing unit receives the images and the distance data to determine a speed of each object moving toward the car. The processing unit further warns a driver of the car when a speed of one object moving toward the car is faster than a preset speed.

Claims

1. A detection system used for a car, the detection system comprising:

a plurality of time-of-flight (TOF) cameras being mounted on the car to capture images and obtain distance data between a plurality of objects near the car and the plurality of TOF cameras;

a processing unit; and

a storage unit connected between the processing unit and the TOF cameras, and storing a plurality of programs to be executed by the processing unit, wherein the storage unit comprises;

a distance determining module to receive the images and distance data from the plurality of TOF cameras, and determine a speed of each object moving toward the car; and

an alarming module to warn a driver of the car when a speed of one object moving toward the car is faster than a preset speed.

2. The detection system of claim 1, wherein the storage unit further comprises an object analyzing module, the object analyzing module obtains three dimension (3D) models of each object near the car according to the images and distance data from the plurality of TOF cameras, and determines a type of each object near the car by comparing the obtained 3D models with a plurality of 3D models stored in the storage unit.

3. The detection system of claim 2, wherein the alarming module further warns the driver of the car about the type of each object.

4. The detection system of claim 1, wherein the storage unit further comprises an auto-driving module, the auto-driving module automatically steers the car when the speed of one object moving toward the car is faster than the preset speed.

5. The detection system of claim 1, wherein the storage unit further comprises a video recording module, the video recording module records the object which has a speed faster than the preset speed to obtain a video.

6. The detection system of claim 1, wherein the storage unit further comprises a global position system (GPS) module and a communication module, the GPS module provides location information of the car to a rescue centre via the communication module.

7. A detecting method used for a car, the detecting method comprising:

capturing images and obtaining distance data between a plurality of objects near the car and a plurality of time-of-flight (TOF) cameras mounted on the car by the plurality of TOF cameras;

receiving the images and distance data from the plurality of TOF cameras;

obtaining a speed of each object moving toward the car;

determining whether the speed of an object moving toward the car is faster than a preset speed; and

alarming a driver of the car upon the condition that a speed of one object is faster than the preset speed.

8. The detecting method of claim 7, between the step of “

receiving the images and distance data from the plurality of TOF cameras” and

the step of “

obtaining a speed of each object moving toward the car”

, further comprising;

obtaining a three dimension (3D) model of each object near the car according to the images and distance data from the plurality of TOF cameras; and

comparing the obtained 3D model with a plurality of 3D models to determine a type of each object near the car.

9. The detecting method of claim 7, after the step of “

determining whether the speed of an object moving toward the car is faster than a preset speed”

, further comprising;

recording the object which has a speed faster than the preset speed to obtain a video.

10. The detecting method of claim 7, further comprising:

providing reliable location information of the car to a rescue centre.