Automotive camera system and the data processing method based on its shooting angle changing synchronously with the automotive speed

• US 9,399,433 B2
• Filed: 06/14/2013
• Issued: 07/26/2016
• 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
• Primary Examiner(s): Olszewski, John R
• Assistant Examiner(s): McPherson, James M
• Application Number:
  US13/918,218
• Publication Number:
  US 20140214270A1
• Time in Patent Office: 1,138 Days
• Field of Search: None
• US Class Current: 1/1
• 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:

prestoring a correspondence relationship table of automotive speed grades of an automobile and camera lens zoom numbers synchronizing with the automotive speed grades of the automobile by the automotive camera system, wherein the automotive camera system receives a user'"'"'s instructions and sets up the correspondence relationship table between the automotive speed grades and the camera lens zoom numbers changing synchronously with the automotive speed grades as requested;

obtaining a current automotive velocity of the automobile by a velocity acquisition device when the automobile is running on a road, wherein the automobile, which is movable, has installed the automotive camera system;

determining a current automotive speed grade of the automobile by the automotive camera system according to the current automotive velocity obtained by the velocity acquisition device;

based on the current automotive speed grade determined by the automotive camera system, looking up the correspondence relationship table, which is prestored by the automotive camera system, of the automotive speed grades of the automobile and the camera lens zoom numbers synchronizing with the automotive speed grades of the automobile, and finding out an according camera lens zoom number of the automotive camera system changing synchronously with the current automotive speed grade of the automobile, which has installed the automotive camera system and is running on the road, under a current driving condition from the correspondence relationship table by the automotive camera system; and

controlling a camera focal motor zooming camera lens to the according camera lens zoom number, which is found by the automotive camera system, by the automotive camera system, and achieving a synchronization between the shooting angles and the automotive speeds of the automobile.

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

3. The data processing method based on the shooting angles of the automotive camera system changing synchronously with the automotive speeds according to claim 1, wherein in the determining the current automotive speed grade of the automobile by the automotive camera system,

the current automotive speed grade is defined as a first speed grade when the current automotive velocity of the automobile is no more than 10 km/h;

the current automotive speed grade is defined as a second speed grade when the current automotive velocity of the automobile is between 11 and 20 km/h;

the current automotive speed grade is defined as a third speed grade when the current automotive velocity of the automobile is between 21 and 30 km/h;

the current automotive speed grade is defined as a forth speed grade when the current automotive velocity of the automobile is between 31 and 40 km/h;

the current automotive speed grade is defined as a fifth speed grade when the current automotive velocity of the automobile is between 41 and 50 km/h;

the current automotive speed grade is defined as a sixth speed grade when the current automotive velocity of the automobile is between 51 and 60 km/h;

the current automotive speed grade is defined as a seventh speed grade when the current automotive velocity of the automobile is between 61 and 70 km/h;

the current automotive speed grade is defined as a eighth speed grade when the current automotive velocity of the automobile is between 71 and 80 km/h;

the current automotive speed grade is defined as a ninth speed grade when the current automotive velocity of the automobile is between 81 and 90 km/h;

the current automotive speed grade is defined as a tenth speed grade when the current automotive velocity of the automobile is between 91 and 100 km/h;

the current automotive speed grade is defined as an eleventh speed grade when the current automotive velocity of the automobile is between 101 and 110 km/h; and

the current automotive speed grade is defined as a twelfth speed grade when the current automotive velocity of the automobile is more than 110 km/h.

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

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

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

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

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

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

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

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

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

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

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

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

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