JP2015175905A5

JP2015175905A5 -

Info

Publication number: JP2015175905A5
Application number: JP2014050595A
Authority: JP
Filing date: 2014-03-13
Publication date: 2017-04-06
Anticipated expiration: 2034-03-13

Claims

An image processing apparatus for processing imaging data that can be refocused and obtained by imaging an optical image of a subject formed by an imaging optical system including a focus lens with an imaging unit,
Imaging data acquisition means for acquiring imaging data that can be refocused;
Lens information acquisition means for acquiring information on the position of the focus lens;
A focal plane determination means for determining the position of the focal plane of the display image of the acquired imaging data based on the acquired focus lens position information;
Refocus processing means for generating image data of the refocused image on the focal plane at the determined position from the imaging data;
An image processing apparatus, comprising: display data generation means for generating display data of acquired imaging data based on the generated image data of a refocus image.

The focal plane determination means determines the focal plane position of the display image based on the amount of change in the focal plane position corresponding to the acquired focus lens position and the second focal point. The first focal plane is a focal plane based on the average of the amount of change, and the second focal plane is the position of the focus lens. corresponding the focal plane, the image processing apparatus according focal plane of the third to claim 1, characterized in that the focal plane with a steep variation than the amount of change in the.

The amount of change of the focal plane corresponding to the position of the focus lens is the position of the focal plane corresponding to the position of the focus lens in a predetermined number of frames or a predetermined time period before or after the frame of the display image. The focal plane determination means sets the focal plane of the display image as the first focal plane when the variation is smaller than a predetermined value, and the display image when the variation is larger than the predetermined value. The image processing apparatus according to claim 2, wherein the focal plane is any one of the second focal plane and the third focal plane.

The image processing according to claim 3, wherein the focal plane determination unit sets the focal plane of the display image as the first focal plane when a change amount larger than the predetermined value is continuous. apparatus.

When the amount of change larger than the predetermined value is continuous, the focal plane determination means determines the focal plane of the display image according to the correlation between the continuous change amount based on the difference between the continuous change amounts and the direction of change. 5. The image processing apparatus according to claim 4, wherein the image processing apparatus determines any one of the position of the first focal plane, the position of the second focal plane, and the position of the third focal plane.

The focal plane determination means sets the focal plane of the display image as the position of the second focal plane when the difference between the variation amounts is equal to or less than a predetermined amount and the direction of the variation is the same, and otherwise The image processing apparatus according to claim 5, wherein a focal plane of the display image is the first focal plane.

The focal plane determination unit further acquires information of the photographing optical system, determines a refocusable range in the refocus processing based on the information of the photographing optical system, and the determined refocusable range 7. The image processing apparatus according to claim 2, wherein the position of the first focal plane and the position of the third focal plane are limited based on the above.

The focal plane determination means determines the determined position of the first focal plane when the position of the determined first focal plane or the position of the third focal plane is not within the refocusable range. The image processing apparatus according to claim 7, wherein the position of the third focal plane is a limit position of the refocusable range.

The image processing apparatus according to claim 1, wherein the imaging data acquisition unit acquires imaging data that can be refocused and reproduced from a recording medium.

In a control method of an image processing apparatus that processes imaging data that can be refocused, obtained by imaging an optical image of a subject formed by a photographing optical system including a focus lens by an imaging unit,
An imaging data acquisition step of acquiring imaging data capable of the refocus processing;
A lens information acquisition step of acquiring information of the position of the focus lens;
A focal plane determination step for determining a focal plane position of a display image of the acquired imaging data based on the acquired position information of the focus lens;
A refocus processing step of generating image data of a refocus image on the focal plane at the determined position from the imaging data;
A display data generation step for generating display data of the acquired imaging data based on the image data of the generated refocus image;
In the focal plane determination step, the focal plane position of the display image is determined based on the amount of change in the focal plane position corresponding to the acquired focus lens position. Determining a position of any one of the planes, wherein the first focal plane is a focal plane based on an average of the amount of change, and the second focal plane corresponds to a position of the focus lens. The control method characterized by being.

A program for controlling an image processing apparatus that processes imaging data that can be refocused and obtained by imaging an optical image of a subject formed by an imaging optical system including a focus lens with an imaging unit,
Computer
Imaging data acquisition means for acquiring imaging data capable of the refocus processing;
Lens information acquisition means for acquiring information on the position of the focus lens;
A focal plane determination unit that determines a focal plane position of a display image of the acquired imaging data based on the acquired focus lens position information, and the focal plane determination unit sets the focal plane determination unit at a position of the acquired focus lens. Based on the amount of change in the corresponding focal plane position, the focal plane position of the display image is determined as either the first focal plane position or the second focal plane position, and the first focal plane position is determined. Is a focal plane based on the average of the amount of change, and the second focal plane is a focal plane corresponding to the position of the focus lens,
Refocus processing means for generating image data of a refocus image on the focal plane at the determined position from the imaging data;
A program for functioning as display data generation means for generating display data of the acquired imaging data based on the generated image data of the refocus image.

A computer-readable storage medium storing the program according to claim 11.

A program that causes a computer to function as each unit of the image processing apparatus according to any one of claims 1 to 9.

A storage medium storing a program that causes a computer to function as each unit of the image processing apparatus according to any one of claims 1 to 9.

An imaging unit that captures an optical image of a subject formed by an imaging optical system including a focus lens and generates imaging data that can be refocused;
Lens information acquisition means for acquiring information on the position of the focus lens;
A focal plane determining unit that determines a focal plane position of a display image of the imaging data generated by the imaging unit based on the acquired position information of the focus lens;
Refocus processing means for generating image data of a refocus image on the focal plane at the determined position from the imaging data;
Display data generating means for generating display data of the generated imaging data based on the image data of the generated refocus image;
Display means for displaying the display data,
The focal plane determination means determines the focal plane position of the display image based on the amount of change in the focal plane position corresponding to the acquired focus lens position and the second focal point. The first focal plane is a focal plane based on the average value of the amount of change, and the second focal plane is a focal plane corresponding to the position of the focus lens. An imaging apparatus characterized by that.