Camera system including at least two light sources
A camera system includes a camera, a first light source, and a second light source. A main optical axis of the first light source intersects with a main optical axis of the second light source at an intersection point, and the intersection point is not located within a depth of field of the camera.
1 . A camera system comprising:
a camera;
a first light source;
a second light source;
a plate; and
a robotic arm that is movable along at least one axis; wherein
a main optical axis of the first light source intersects with a main optical axis of the second light source at an intersection point;
the intersection point is not located within a depth of field of the camera;
each of the camera, the first light source, and the second light source is fixed to the plate;
the camera is a line scan camera;
the plate is movable along a scanning direction of the camera; and
the plate is fixed to the robotic arm.
2 . The camera system according to claim 1 , wherein the intersection point is located closer to the camera than a depth of field of the camera.
3 . The camera system according to claim 1 , wherein a distance between the camera and the first light source is equal or substantially equal to a distance between the camera and the second light source.
4 . The camera system according to claim 1 , wherein a main optical axis of the camera intersects with the intersection point.
5 . The camera system according to claim 1 , wherein:
an axis passing through the first light source and the second light source is parallel or substantially parallel to the scanning direction of the camera.
6 . The camera system according to claim 5 , wherein the axis passing through the first light source and the second light source also passes through the camera.
7 . The camera system according to claim 1 , wherein:
the first light source is fixed to a first end of the plate,
the second light source is fixed to a second end of the plate, and
the camera is fixed to a middle portion of the plate.
8 . The camera system according to claim 1 , further comprising:
a slider that is able to slide along the scanning direction of the camera, wherein
the robotic arm is fixed to the slider.
9 . The camera system according to claim 8 , wherein the slider is configured to be mounted to a vehicle.
10 . A vehicle comprising:
the camera system according to claim 1 ; and
a controller configured or programmed to control movement of the vehicle.
11 . The vehicle according to claim 10 , wherein the controller is configured or programmed to control the vehicle to travel in a direction that is parallel or substantially parallel to the scanning direction of the camera.
12 . The vehicle according to claim 10 , wherein the controller is configured or programmed to control the vehicle to stop when an object to be imaged is located within the depth of field of the camera.
13 . A camera system comprising:
a camera;
a first light source;
a second light source;
a plate; and
a slider that is able to slide along the scanning direction of the camera; wherein
a main optical axis of the first light source intersects with a main optical axis of the second light source at an intersection point;
the intersection point is not located within a depth of field of the camera;
each of the camera, the first light source, and the second light source is fixed to the plate;
the camera is a line scan camera;
the plate is movable along a scanning direction of the camera; and
the plate is fixed to the slider.
14 . The camera system according to claim 13 , further comprising:
a cartesian arm that is able to move along at least two axes, wherein
the slider is fixed to the cartesian arm.
15 . A camera system comprising:
a camera;
a first light source;
a second light source;
a first plate;
a second plate; and
a third plate; wherein
a main optical axis of the first light source intersects with a main optical axis of the second light source at an intersection point;
the intersection point is not located within a depth of field of the camera;
the first light source is fixed to the first plate;
the camera is fixed to the second plate; and
the second light source is fixed to the third plate.
16 . The camera system according to claim 15 , wherein:
the first plate is physically connected to the second plate, and
the second plate is physically connected to the third plate.
17 . The camera system according to claim 15 , further comprising:
a first support structure; and
a second support structure, wherein
the first support structure connects the first plate to the second plate, and
the second support structure connects the second plate to the third plate.