JP2013223008A5 - - Google Patents

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JP2013223008A5
JP2013223008A5 JP2012091820A JP2012091820A JP2013223008A5 JP 2013223008 A5 JP2013223008 A5 JP 2013223008A5 JP 2012091820 A JP2012091820 A JP 2012091820A JP 2012091820 A JP2012091820 A JP 2012091820A JP 2013223008 A5 JP2013223008 A5 JP 2013223008A5
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boundary
image processing
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複数の視点から撮像することにより得られた多視点画像データの画像中のオブジェクトの境界領域を特定する特定手段と、
前記多視点画像データを合成して、合成画像データを生成する合成手段と
を有し、
前記合成手段は、前記境界領域の画素値を生成する際のレンダリング単位が、前記境界領域以外の領域の画素値を生成する際のレンダリング単位よりも小さい
ことを特徴とする画像処理装置。 A specifying means for specifying a boundary region of an object in an image of multi-viewpoint image data obtained by imaging from a plurality of viewpoints;
Combining the multi-viewpoint image data to generate combined image data,
The image processing apparatus according to claim 1, wherein the synthesizing unit has a rendering unit for generating pixel values of the boundary region smaller than a rendering unit for generating pixel values of regions other than the boundary region. 前記境界領域は、前記オブジェクトの境界に隣接した前景部分である境界前景層、及び前記オブジェクトの境界に隣接した背景部分である境界背景層とで構成され、
前記特定手段は、前記境界前景層、前記境界背景層、前記境界領域以外の領域を構成する主層の３層に分離することを特徴とする請求項１に記載の画像処理装置。 The boundary region is composed of a boundary foreground layer that is a foreground part adjacent to the boundary of the object, and a boundary background layer that is a background part adjacent to the boundary of the object;
The image processing apparatus according to claim 1, wherein the specifying unit separates the boundary foreground layer, the boundary background layer, and a main layer constituting an area other than the boundary area into three layers. 前記合成手段は、任意の視点位置での画像を生成するために参照する視点に対して、前記主層、前記境界前景層、前記境界背景層の順にレンダリングして、前記視点位置での画像を合成することを特徴とする請求項２に記載の画像処理装置。   The synthesizing unit renders the image at the viewpoint position by rendering the main layer, the boundary foreground layer, and the boundary background layer in this order with respect to the viewpoint to be referred to generate an image at an arbitrary viewpoint position. The image processing apparatus according to claim 2, wherein the images are combined. 前記合成手段は、前記境界領域のレンダリングにおいて、前記境界領域に対応する画素のアルファ値に応じた重み付き平均を行って、前記境界領域の色を求めることを特徴とする請求項１〜３のいずれか１項に記載の画像処理装置。   The said synthesis | combination means calculates | requires the color of the said boundary region by performing the weighted average according to the alpha value of the pixel corresponding to the said boundary region in the rendering of the said boundary region. The image processing apparatus according to any one of the above. 前記特定手段は、前記撮像を行なう撮像部から被写体までの距離を表す距離情報に基づいて前記オブジェクトの境界を抽出して、前記分離を行なうことを特徴とする請求項２〜４のいずれか１項に記載の画像処理装置。   The said specifying means extracts the boundary of the said object based on the distance information showing the distance from the imaging part which performs the said imaging to a to-be-photographed object, The said isolation | separation is characterized by the above-mentioned. The image processing apparatus according to item. 前記特定手段は、画像の領域分割を用いて前記オブジェクトの境界を抽出して、前記分離を行なうことを特徴とする請求項２〜４のいずれか１項に記載の画像処理装置。   The image processing apparatus according to claim 2, wherein the specifying unit extracts the boundary of the object using region division of an image and performs the separation. 複数の視点から撮像することにより得られた多視点画像データの画像中のオブジェクトの境界領域を特定する特定ステップと、
前記多視点画像データを合成して、合成画像データを生成する合成ステップと
を含み、
前記合成ステップでは、前記境界領域の画素値を生成する際のレンダリング単位が、前記境界領域以外の領域の画素値を生成する際のレンダリング単位よりも小さい
ことを特徴とする画像処理方法。 A specifying step for specifying a boundary region of an object in an image of multi-viewpoint image data obtained by imaging from a plurality of viewpoints;
Combining the multi-viewpoint image data to generate composite image data,
In the synthesis step, the rendering unit when generating the pixel value of the boundary area is smaller than the rendering unit when generating the pixel value of the area other than the boundary area. 前記境界領域は、前記オブジェクトの境界に隣接した前景部分である境界前景層、及び前記オブジェクトの境界に隣接した背景部分である境界背景層とで構成され、
前記特定ステップでは、前記境界前景層、前記境界背景層、前記境界領域以外の領域を構成する主層の３層に分離されることを特徴とする請求項７に記載の画像処理方法。 The boundary region is composed of a boundary foreground layer that is a foreground part adjacent to the boundary of the object, and a boundary background layer that is a background part adjacent to the boundary of the object;
The image processing method according to claim 7, wherein in the specifying step, the image processing method is divided into three layers of a main layer that constitutes an area other than the boundary foreground layer, the boundary background layer, and the boundary area. 前記合成ステップでは、任意の視点位置での画像を生成するために参照する視点に対して、前記主層、前記境界前景層、前記境界背景層の順にレンダリングして、前記視点位置での画像を合成することを特徴とする請求項８に記載の画像処理方法。   In the synthesis step, the main layer, the boundary foreground layer, and the boundary background layer are rendered in this order with respect to the viewpoint to be referred to in order to generate an image at an arbitrary viewpoint position, and the image at the viewpoint position is rendered. The image processing method according to claim 8, wherein the images are combined. 前記合成ステップでは、前記境界領域のレンダリングにおいて、前記境界領域に対応する画素のアルファ値に応じた重み付き平均を行って、前記境界領域の色を求めることを特徴とする請求項７〜９のいずれか１項に記載の画像処理方法。   10. The composition step according to claim 7, wherein in the rendering of the boundary region, a weighted average corresponding to an alpha value of a pixel corresponding to the boundary region is performed to obtain a color of the boundary region. The image processing method according to claim 1. 前記特定ステップでは、前記撮像を行なう撮像部から被写体までの距離を表す距離情報に基づいて前記オブジェクトの境界を抽出して、前記分離を行なうことを特徴とする請求項８〜１０のいずれか１項に記載の画像処理方法。   The said specific step extracts the boundary of the said object based on the distance information showing the distance from the imaging part which performs the said imaging to a to-be-photographed object, and performs said isolation | separation. The image processing method according to item. 前記特定ステップでは、画像の領域分割を用いて前記オブジェクトの境界を抽出して、前記分離を行なうことを特徴とする請求項８〜１０のいずれか１項に記載の画像処理方法。   The image processing method according to claim 8, wherein, in the specifying step, the separation is performed by extracting a boundary of the object using region division of an image. コンピュータを、請求項１〜６のいずれか１項に記載の画像処理装置として機能させることを特徴とするプログラム。   A program for causing a computer to function as the image processing apparatus according to any one of claims 1 to 6.
JP2012091820A 2012-04-13 2012-04-13 Image processing apparatus and method Active JP6128748B2 (en)

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JP6332982B2 (en) * 2014-01-29 2018-05-30 キヤノン株式会社 Image processing apparatus and method
JP6419128B2 (en) 2016-10-28 2018-11-07 キヤノン株式会社 Image processing apparatus, image processing system, image processing method, and program
JP6672417B2 (en) * 2018-10-10 2020-03-25 キヤノン株式会社 Image processing apparatus, image processing system, image processing method, and program
CN109840881B (en) * 2018-12-12 2023-05-05 奥比中光科技集团股份有限公司 3D special effect image generation method, device and equipment
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JP7405702B2 (en) 2020-06-15 2023-12-26 Kddi株式会社 Virtual viewpoint rendering device, method and program

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