Image processing apparatus and non-transitory computer readable medium
An image processing apparatus includes a reading unit and a controller. The reading unit radiates light to a target from two directions with different angles and reads images of the target. The controller performs, when controlling the reading unit to acquire the two images of the target, control such that a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions.
1. An image processing apparatus comprising:
two light sources configured to radiate light to a target from two directions with different angles;
a sensor configured to read two images of the target; and
a controller configured to control the sensor to acquire the two images of the target, and control a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions, wherein
the two directions with the different angles are a direction for obtaining diffused reflection light as a read image, the diffused reflection light being generated when the light is radiated to the target, and a direction for obtaining regular reflection light as a read image, the regular reflection light being generated when the light is radiated to the target, and
the controller is configured to control a resolution of a regular reflection light image obtained by reading the regular reflection light from the target to be lower than a resolution of a diffused reflection light image obtained by reading the diffused reflection light from the target.
2. The image processing apparatus according to claim 1 ,
wherein the controller is configured to
set a reading speed of the sensor for reading the regular reflection light from the target to be faster than a reading speed for reading the diffused reflection light to control the resolution of the regular reflection light image obtained by reading the regular reflection light from the target to be lower than the resolution of the diffused reflection light image obtained by reading the diffused reflection light from the target.
3. The image processing apparatus according to claim 1 ,
wherein the controller is configured to
decimate pixel values of the regular reflection light image to control the resolution of the regular reflection light image obtained by reading the regular reflection light from the target to be lower than the resolution of the diffused reflection light image obtained by reading the diffused reflection light from the target.
4. An image processing system comprising:
the image processing apparatus according to claim 1 ,
a terminal comprising:
a memory configured to store the regular reflection light image and the diffused reflection light image; and
a processor configured to
enlarge the regular reflection light image to a same size as the diffused reflection light image;
calculate a difference between the regular reflection light image that is enlarged and the diffused reflection light image; and
combine a difference image obtained by the processor with the diffused reflection light image to generate an image representing glossiness of the target; and
a display configured to display the image representing glossiness of the target.
5. An image processing system comprising:
the image processing apparatus according to claim 2 ,
a terminal comprising:
a memory configured to store the regular reflection light image and the diffused reflection light image; and
a processor configured to
enlarge the regular reflection light image to a same size as the diffused reflection light image;
calculate a difference between the regular reflection light image that is enlarged and the diffused reflection light image; and
combine a difference image obtained by the processor with the diffused reflection light image to generate an image representing glossiness of the target; and
a display configured to display the image representing glossiness of the target.
6. An image processing system comprising:
the image processing apparatus according to claim 3 ,
a terminal comprising:
a memory configured to store the regular reflection light image and the diffused reflection light image; and
a processor configured to
enlarge the regular reflection light image to a same size as the diffused reflection light image;
calculate a difference between the regular reflection light image that is enlarged and the diffused reflection light image; and
combine a difference image obtained by the processor with the diffused reflection light image to generate an image representing glossiness of the target; and
a display configured to display the image.
7. An image processing system comprising:
the image processing apparatus according to claim 1 ,
a terminal comprising;
a memory configured to store the regular reflection light image and the diffused reflection light image; and
a processor configured to
reduce the diffused reflection light image to a same size as the regular reflection light image;
calculate a difference between the diffused reflection light image that is reduced and the regular reflection light image;
enlarge a difference image obtained by the processor to a same size as the diffused reflection light image;
combine the difference image enlarged by the processor with the diffused reflection light image to generate an image representing glossiness of the target; and
a display configured to display the image representing glossiness of the target.
8. An image processing system comprising:
the image processing apparatus according to claim 2 ,
a terminal comprising:
a memory configured to store the regular reflection light image and the diffused reflection light image; and
a processor configured to
reduce the diffused reflection light image to a same size as the regular reflection light image:
calculate a difference between the diffused reflection light image that is reduced and the regular reflection light image;
enlarge a difference image obtained by the processor to a same size as the diffused reflection light image:
combine the difference image enlarged by the processor with the diffused reflection light image to generate an image representing glossiness of the target; and
a display configured to display the image representing glossiness of the target.
9. An image processing system comprising:
the image processing apparatus according to claim 3 ,
a terminal comprising:
a memory configured to store the regular reflection light image and the diffused reflection light image; and
a processor configured to
reduce the diffused reflection light image to a same size as the regular reflection light image;
calculate a difference between the diffused reflection light image that is reduced and the regular reflection light image;
enlarge a difference image obtained by the processor to a same size as the diffused reflection light image;
combine the difference image enlarged by the processor with the diffused reflection light image to generate an image representing glossiness of the target; and
a display configured to display the image representing glossiness of the target.
10. A non-transitory computer readable medium storing a program causing a computer to execute a process for image processing, the process comprising:
radiating light to a target from two directions with different angles and reading two images of the target, wherein the two directions with the different angles are a direction for obtaining diffused reflection light as a read image, the diffused reflection light being generated when the light is radiated to the target, and a direction for obtaining regular reflection light as a read image, the regular reflection light being generated when the light is radiated to the target;
controlling, when acquiring the two images of the target, such that a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions; and
controlling a resolution of a regular reflection light image obtained by reading the regular reflection light from the target to be lower than a resolution of a diffused reflection light image obtained by reading the diffused reflection light from the target.
11. An image processing apparatus comprising:
reading means for radiating light to a target from two directions with different angles and reading two images of the target, wherein the two directions with the different angles are a direction for obtaining diffused reflection light as a read image, the diffused reflection light being generated when the light is radiated to the target, and a direction for obtaining regular reflection light as a read image, the regular reflection light being generated when the light is radiated to the target; and
control means for controlling, when controlling the reading means to acquire the two images of the target, such that a resolution of the image read by radiating the light to the target from one of the two directions is lower than a resolution of the image read by radiating the light to the target from the other one of the two directions, and a resolution of a regular reflection light image obtained by reading the regular reflection light from the target to be lower than a resolution of a diffused reflection light image obtained by reading the diffused reflection light from the target.