AUTOMOTIVE CAMERA SYSTEM AND THE DATA PROCESSING METHOD BASED ON ITS SHOOTING ANGLE CHANGING SYNCHRONOUSLY WITH THE AUTOMOTIVE SPEED

• US 20140214270A1
• Filed: 06/14/2013
• Published: 07/31/2014
• Est. Priority Date: 01/25/2013
• Status: Active Grant

• Current Assignee: Shenzhen Zhizunbao Investment Holding Company Limited
• Original Assignee: Shenzhen Protruly Electronics Co., Ltd. (Jiangsu Protruly Vision Technology Group Co., Ltd.)
• Inventors: ZHUANG, Min, LU, Peng
• Granted Patent: US 9,399,433 B2
• Time in Patent Office: Days
• US Class Current: 701/36
• CPC Class Codes: B60R 11/04 Mounting of cameras operative during drive; Arrangement of controls thereof relative to the vehicle
• CPC Class Codes: H04N 23/69 Control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming

Abstract

An automotive camera system and a data processing method based on its shooting angles synchronizing with automotive speeds are provided. The method comprises the following steps: obtain a current velocity value through a velocity acquisition device; determine a corresponding automotive speed grade; look up a prestored correspondence relationship table and finding out a synchronized camera lens zoom number synchronizing with automotive speed grades; control a camera focal motor zooming a camera lens to the number, and achieving the synchronization of the shooting angle and the automotive speed. When applying the camera system and the method as stated in the present invention, the distant road can be clearly seen in high speed driving, and dangers can be found ahead in advance, thus improves the driving safety.

Claims

1. A data processing method based on shooting angles of an automotive camera system changing synchronously with automotive speeds, comprising the following steps:

A. using a velocity acquisition device to obtain a current running velocity of an automobile when the automobile is running, wherein the automotive camera system is installed in the automobile, which is movable;

B. using a determination module of the automotive camera system to determine an automotive speed grade according to the obtained current automotive velocity;

C. based on the determined current automotive speed grade, using a searching and finding module of the automotive camera system to look up a prestored correspondence relationship table of automotive speed grades of the automobile and camera lens zoom numbers synchronizing with them, find out the synchronizing camera lens zoom number according to the current speed grade under a current driving condition; and

D. using a controlling module of the automotive camera system to control a camera focal motor zooming camera lens to the found camera lens zoom number, and achieve a synchronization between shooting angles and automotive speeds of the automobile.

2. The data processing method based on shooting angles of the automotive camera system changing synchronously with automotive speeds according to claim 1, also comprising the following step before the said step A:

S. using a storage module of the automotive camera system to prestore a correspondence relationship table of automotive speed grades of the automobile and camera lens zoom numbers synchronizing with them.

3. The data processing method based on shooting angles of the automotive camera system changing synchronously with automotive speeds according to claim 2, wherein the said step S also comprises:

S1. using a setting module to receive a user'"'"'s operation commands and set up a corresponding relations between automotive speed grades and camera lens zoom numbers changing synchronously with automotive speed grades as requested.

4. The data processing method based on shooting angles of the automotive camera system changing synchronously with automotive speeds according to claim 1, wherein the current automotive velocity as in step A includes a current running velocity value, a velocity changing rate value and/or an acceleration value per hour.

5. The data processing method based on shooting angles of the automotive camera system changing synchronously with automotive speeds according to claim 1, wherein the step B also includes:

dividing the automotive velocity into the following speed grades;

it is defined as the first speed grade, when the velocity of the automobile is no more than 10 km/h;

it is defined as the second speed grade, when the velocity of the automobile is between 11 and 20 km/h;

it is defined as the third speed grade, when the velocity of the automobile is between 21 and 30 km/h;

it is defined as the forth speed grade, when the velocity of the automobile is between 31 and 40 km/h;

it is defined as the fifth speed grade, when the velocity of the automobile is between 41 and 50 km/h;

it is defined as the sixth speed grade, when the velocity of the automobile is between 51 and 60 km/h;

it is defined as the seventh speed grade, when the velocity of the automobile is between 61 and 70 km/h;

it is defined as the eighth speed grade, when the velocity of the automobile is between 71 and 80 km/h;

it is defined as the ninth speed grade, when the velocity of the automobile is between 81 and 90 km/h;

it is defined as the tenth speed grade, when the velocity of the automobile is between 91 and 100 km/h;

it is defined as the eleventh speed grade, when the velocity of the automobile is between 101 and 110 km/h; and

it is defined as the twelfth speed grade, when the velocity of the automobile is more than 110 km/h.

6. The data processing method based on shooting angles of the automotive camera system changing synchronously with automotive speeds according to claim 1, wherein the corresponding relationship between speed grades and the synchronizing camera lens zoom numbers of the step C specifically includes:

the according camera lens zoom number is 1, when the velocity of the automobile is no more than 10 km/h;

the according camera lens zoom number is 2, when the velocity of the automobile is between 11 and 20 km/h;

the according camera lens zoom number is 3, when the velocity of the automobile is between 21 and 30 km/h;

the according camera lens zoom number is 4, when the velocity of the automobile is between 31 and 40 km/h;

the according camera lens zoom number is 5, when the velocity of the automobile is between 41 and 50 km/h;

the according camera lens zoom number is 6, when the velocity of the automobile is between 51 and 60 km/h;

the according camera lens zoom number is 7, when the velocity of the automobile is between 61 and 70 km/h;

the according camera lens zoom number is 8, when the velocity of the automobile is between 71 and 80 km/h;

the according camera lens zoom number is 9, when the velocity of the automobile is between 81 and 90 km/h;

the according camera lens zoom number is 10, when the velocity of the automobile is between 91 and 100 km/h;

the according camera lens zoom number is 10, when the velocity of the automobile is between 101 and 110 km/h; and

the according camera lens zoom number is 10, when the velocity of the automobile is over 110 km/h.

7. An automotive camera system, comprising:

a velocity acquisition module configured to obtain a current velocity value of an automobile when the automobile is running, wherein the automotive camera system is installed in the automobile, which is movable;

a determination module configured to determine a speed grade of the automobile based on the current velocity value;

a searching and finding module configured to look up a prestored correspondence relationship table of automotive speed grades and camera lens zoom numbers synchronizing with them according to the determined current speed grade of the automobile, and find out the camera lens zoom number synchronizing with the current speed grade under a current driving condition; and

a controlling module configured to control a camera focal motor zooming a camera lens to the found camera lens zoom numbers, and achieving the synchronization between the shooting angle and the automotive speed of the automobile.

8. The automotive camera system according to claim 7, also comprising:

a storage module configured to prestore the correspondence relationship table of automotive speed grades and camera lens zoom numbers synchronizing with them.

9. The automotive camera system according to claim 7, also comprising:

a setting module configured to receive a user'"'"'s operation commands to set up a correspondence relations of automotive speed grades and the camera lens zoom numbers synchronizing with them.

10. The automotive camera system according to claim 7, wherein the current automotive velocity includes a current running velocity value, a velocity changing rate value and/or an acceleration value per hour.