JP2012004653A5

JP2012004653A5 -

Info

Publication number: JP2012004653A5
Application number: JP2010135102A
Authority: JP
Filing date: 2010-06-14
Publication date: 2013-07-25
Anticipated expiration: 2030-06-14

Description

本発明の第１態様は、同じ対象を異なる被写界深度で撮影することで得られた複数の動画から、対応するフレーム同士を合成することによって１つの合成動画を生成する画像処理装置であって、前記複数の動画のうち、少なくとも１つの動画のフレームに対して動き量を求める動き量解析手段と、前記動き量解析手段の解析結果から、前記複数の動画のフレーム同士の合成率を決定する合成率算出手段と、前記合成率算出手段によって決定された合成率で前記複数の動画のフレームを合成する画像合成手段と、を有することを特徴とする画像処理装置を提供する。 The first aspect of the present invention, a plurality of moving image obtained by shooting the same object at different depth of field, the image processing apparatus that generates one synthetic video by synthesizing the corresponding frame between there are, among the plurality of moving image, the motion amount analyzing means for determining the dynamic-out amounts to at least one video frame, from the analysis result of the previous SL motion amount analyzing unit, the synthesis of the frame between the plurality of video providing a synthesis ratio calculation means that determine the rate, and image combining means for combining said plurality of video frames in the synthesis rate determined by the composition rate calculation means, an image processing apparatus characterized by having .

本発明の第２態様は、同じ対象を異なる被写界深度で撮影することで得られた複数の動画から、対応するフレーム同士を合成することによって１つの合成動画を生成する画像処理装置の制御方法であって、前記複数の動画のうち、少なくとも１つの動画のフレームに対して動き量を求める動き量解析ステップと、前記動き量解析ステップの解析結果から、前記複数の動画のフレーム同士の合成率を決定する合成率算出ステップと、前記合成率算出ステップによって決定された合成率で前記複数の動画のフレームを合成する画像合成ステップと、を有することを特徴とする画像処理装置の制御方法を提供する。 The second aspect of the present invention, a plurality of moving image obtained by shooting the same object at different depth of field of an image processing apparatus that generates one synthetic video by synthesizing the corresponding frame between a control method, among the plurality of moving image, the motion amount analyzing step of obtaining the dynamic-out amounts to at least one video frame, from the analysis result of the previous SL motion amount analyzing step, the plurality of video frames the image processing apparatus according to claim the synthesis ratio calculation step of determine the synthesis ratio between the image combining step of combining the plurality of video frames in the synthesis rate determined by the composition rate calculation step, to have a A control method is provided.

Claims

A plurality of moving image obtained by shooting the same object at different depth of field, an image processing apparatus that generates one synthetic video by synthesizing the corresponding frame to each other,
Among the plurality of moving image, the motion amount analyzing means for determining the dynamic-out amounts to at least one video frame,
From the analysis results of the previous SL motion amount analyzing unit, a combining ratio calculation means for determine the synthesis ratio of the frame between the plurality of videos,
Image combining means for combining the frames of the plurality of moving images at a combining ratio determined by the combining ratio calculating means;
An image processing apparatus comprising:

A spatial frequency analysis means for obtaining a spatial frequency characteristic for at least one video frame of the plurality of videos;
The image processing apparatus according to claim 1, wherein the synthesis rate calculation unit determines a synthesis rate between frames of the plurality of moving images from analysis results of the spatial frequency analysis unit and the motion amount analysis unit. .

The plurality of videos include a first video and a second video having a shallower depth of field than the first video,
The image processing apparatus according to claim 2 , wherein the spatial frequency analysis unit obtains a spatial frequency characteristic for the frame of the second moving image.

The image processing apparatus according to claim 3 , wherein the motion amount analysis unit obtains a motion amount for the frame of the second moving image.

The synthesis rate calculating means determines the synthesis rate of the pixels of the first moving image and the pixels of the second moving image such that the ratio of the pixels of the second moving image increases as the spatial frequency decreases. The image processing apparatus according to claim 3 or 4 , wherein the image processing apparatus is characterized in that:

The synthesis rate calculating means determines a synthesis rate of the pixels of the first moving image and the pixels of the second moving image such that the ratio of the pixels of the first moving image increases as the amount of motion increases. the image processing apparatus according to any one of claims 3-5, characterized.

The synthesis rate calculating means is configured to increase the ratio of pixels of the first moving image as the spatial frequency is lower and increase the ratio of pixels of the second moving image as the amount of motion is larger. the image processing apparatus according to claim 3 or 4, characterized in that moving pixels of determining the synthesis rate of pixels of the second video.

The synthesis rate calculation means includes:
When the spatial frequency is higher than the first threshold and the amount of motion is larger than the second threshold, the ratio of the pixels of the first moving image is larger than the pixels of the second moving image, In other cases, the composition ratio of the pixels of the first moving image and the pixels of the second moving image is determined so that the ratio of the pixels of the second moving image is larger than the pixels of the first moving image. the image processing apparatus according to claim 3 or 4, characterized in that.

A plurality of moving image obtained by shooting the same object at different depth of field, a method of controlling an image processing apparatus that generates one synthetic video by synthesizing the corresponding frame to each other,
Among the plurality of moving image, the motion amount analyzing step of obtaining the dynamic-out amounts to at least one video frame,
From the analysis results of the previous SL motion amount analysis step, a synthesis ratio calculation step of determine the synthesis ratio of the frame between the plurality of videos,
An image synthesis step of synthesizing the frames of the plurality of moving images at a synthesis rate determined by the synthesis rate calculation step;
A control method for an image processing apparatus, comprising:

A spatial frequency analysis step for obtaining a spatial frequency characteristic for at least one video frame of the plurality of videos;
The image processing apparatus according to claim 9, wherein in the synthesis rate calculation step, a synthesis rate between the frames of the plurality of moving images is determined from analysis results of the spatial frequency analysis step and the motion amount analysis step. Control method.

The plurality of videos include a first video and a second video having a shallower depth of field than the first video,
The method of controlling an image processing apparatus according to claim 10, wherein, in the spatial frequency analysis step, a spatial frequency characteristic is obtained for the frame of the second moving image.

The method of controlling an image processing apparatus according to claim 11, wherein in the motion amount analyzing step, a motion amount is obtained for a frame of the second moving image.

In the synthesis rate calculating step, the synthesis rate of the pixels of the first moving image and the pixels of the second moving image is determined so that the ratio of the pixels of the second moving image increases as the spatial frequency decreases. 13. A method for controlling an image processing apparatus according to claim 11 or 12, wherein:

In the synthesis rate calculating step, determining a synthesis rate of the pixels of the first moving image and the pixels of the second moving image such that the ratio of the pixels of the first moving image increases as the amount of motion increases. The method for controlling an image processing apparatus according to claim 11, wherein the image processing apparatus has a control method.

In the synthesis rate calculating step, the first moving image pixel ratio increases as the spatial frequency decreases, and the second moving image pixel ratio increases as the motion amount increases. The composition ratio of the pixels of the moving image and the pixels of the second moving image is determined.
Item 13. A method for controlling an image processing apparatus according to Item 11 or 12.

In the synthesis rate calculation step,
When the spatial frequency is higher than the first threshold and the amount of motion is larger than the second threshold, the ratio of the pixels of the first moving image is larger than the pixels of the second moving image, In other cases, the composition ratio of the pixels of the first moving image and the pixels of the second moving image is determined so that the ratio of the pixels of the second moving image is larger than the pixels of the first moving image. 13. The method for controlling an image processing apparatus according to claim 11 or 12, wherein: