Apparatus, method, and program for processing image

Patent metadata

Field	Value
Publication number	US-9270897-B2
Application number	US-48792209-A
Country	US
Kind code	B2
Filing date	Jun 19, 2009
Priority date	Jun 20, 2008
Publication date	Feb 23, 2016
Grant date	Feb 23, 2016

Abstract

An image processing apparatus includes a correction parameter calculation unit for calculating a motion blur correction parameter for motion blur correction on the basis of motion information indicating a motion of an image between unit images, the unit images forming image data, and shutter speed information obtained at the image capturing of the image data, and a motion blur correction processing unit for correcting a motion blur quantity contained in the image data by performing at least a process of reducing a motion blur in accordance with the motion blur correction parameter.

First claim

What is claimed is:

1. An image processing apparatus, comprising:
correction parameter calculation means for calculating a motion blur correction parameter for motion blur correction on the basis of motion information indicating a motion of an image between unit images, the unit images forming image data, and shutter speed information obtained at the image capturing of the image data; and
motion blur correction processing means for correcting a motion blur quantity contained in the image data by performing at least a process of reducing a motion blur in accordance with the motion blur correction parameter, wherein the motion blur correction parameter indicates a degree of correction to be applied to the image data.

2. The image processing apparatus according to claim 1 , wherein the motion blur correction processing means performs a process of adding a motion blur on the image data and the process of reducing a motion blur in accordance with the motion blur correction parameter.

3. The image processing apparatus according to claim 1 , wherein the motion blur correction processing means adaptively selects in response to each partition area of the image data one of the process of adding the motion blur and the process of reducing the motion blur on the image data, in accordance with the motion blur correction parameter.

4. The image processing apparatus according to claim 1 , further comprising motion vector generating means for generating from the image data a motion vector as the motion information.

5. The image processing apparatus according to claim 1 , wherein the correction parameter calculation means acquires an optimum shutter speed corresponding to a speed of an object from each partition area of the image data by referencing mapping information mapping the object speed to an imaging shutter speed at which image quality degradation of an output image is reduced, and
calculates the motion blur correction parameter as selection control information for selecting between a process of adding a motion blur and a process of reducing a motion blur on the image data by comparing information regarding an input imaging shutter speed with the optimum shutter speed, and
wherein the motion blur correction processing means selectively performs on the image data the process of adding the motion blur and the process of reducing the motion blur in accordance with the motion blur correction parameter.

6. The image processing apparatus according to claim 1 , wherein the correction parameter calculation means calculates the motion blur correction parameter indicating one of the degree of addition of the motion blur and the degree of reduction of the motion blur, respectively used by the motion blur correction processing means in the process of adding the motion blur and the process of reducing the motion blur on the image data.

7. The image processing apparatus according to claim 6 , wherein the motion blur correction parameter indicating one of the degree of addition of the motion blur and the degree of reduction of the motion blur comprises one of an imaging shutter speed and a difference between the imaging shutter speed and an optimum shutter speed.

8. The image processing apparatus according to claim 6 , wherein the motion blur correction parameter indicating one of the degree of addition of the motion blur and the degree of reduction of the motion blur comprises movement speed information of a partition area.

9. An image processing method, comprising the steps of:
calculating a motion blur correction parameter for motion blur correction on the basis of motion information indicating a motion of an image between unit images, the unit images forming image data, and shutter speed information obtained at the image capturing of the image data; and
correcting a motion blur quantity contained in the image data
by performing at least a process of reducing a motion blur in accordance with the motion blur correction parameter, wherein the motion blur correction parameter indicates a degree of correction to be applied to the image data.

10. A non-transitory computer readable medium having stored thereon executable instructions that, when executed by at least one processor, cause the at least one processor to:
calculate a motion blur correction parameter for motion blur correction on the basis of motion information indicating a motion of an image between unit images, the unit images forming image data, and shutter speed information obtained at the image capturing of the image data; and
correct a motion blur quantity contained in the image data
by performing at least a process of reducing a motion blur in accordance with the motion blur correction parameter, wherein the motion blur correction parameter indicates a degree of correction to be applied to the image data.

11. An image processing apparatus, comprising:
a correction parameter calculating unit calculating a motion blur correction parameter for motion blur correction on the basis of motion information indicating a motion of an image between unit images, the unit images forming image data, and shutter speed information obtained at the image capturing of the image data; and
a motion blur correction processing unit correcting a motion blur quantity contained in the image data by performing at least a process of reducing a motion blur in accordance with the motion blur correction parameter, wherein the motion blur correction parameter indicates a degree of correction to be applied to the image data.

Assignees

• Ito Atsushi
• Kobayashi Seiji
• Sony Corp

Inventors

• Ito Atsushi
• Kobayashi Seiji

Classifications

• G06T2207/20201

  Motion blur correction · CPC title

• H04N23/70

  Circuitry for compensating brightness variation in the scene · CPC title

• H04N5/145

  Movement estimation (for video coding H04N19/51) · CPC title

• H04N23/76 Primary

  by influencing the image signals · CPC title

• H04N5/235

  Electricity · mapped topic