JP2015142281A5 - - Google Patents

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JP2015142281A5
JP2015142281A5 JP2014014559A JP2014014559A JP2015142281A5 JP 2015142281 A5 JP2015142281 A5 JP 2015142281A5 JP 2014014559 A JP2014014559 A JP 2014014559A JP 2014014559 A JP2014014559 A JP 2014014559A JP 2015142281 A5 JP2015142281 A5 JP 2015142281A5
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上記の目的を達成するため、本発明による被写体探索装置は、被写体を撮像して得られた画像において前記被写体を探索する被写体探索装置であって、前記画像において特徴の複雑度を算出する算出手段と、前記画像において前記被写体の領域を示す被写体領域を探索する探索手段と、前記複雑度が所定の複雑度閾値を超えると所定の第１の被写体探索処理を前記探索手段に行わせ、前記複雑度が前記複雑度閾値以下であると前記第１の被写体探索処理と異なる第２の被写体探索処理を前記探索手段に行わせる制御手段と、を有することを特徴とする。 To achieve the above object, the object search device according to the present invention is a subject search device for searching for the object in the image obtained by imaging an object, calculates the feature of multi Zatsudo Te said image smell Calculating means for searching, searching means for searching for a subject area indicating the area of the subject in the image, and causing the searching means to perform a predetermined first subject searching process when the complexity exceeds a predetermined complexity threshold. And control means for causing the search means to perform a second subject search process different from the first subject search process when the complexity is equal to or less than the complexity threshold value .

本発明による制御方法は、被写体を撮像して得られた画像において前記被写体を探索する被写体探索装置の制御方法であって、前記画像において特徴の複雑度を算出する算出ステップと、前記画像において前記被写体の領域を示す被写体領域を探索する探索ステップと、を有し、前記探索ステップでは、前記複雑度が所定の複雑度閾値を超えると所定の第１の被写体探索処理を行い、前記複雑度が前記複雑度閾値以下であると前記第１の被写体探索処理と異なる第２の被写体探索処理を行うことを特徴とする。 Control method according to the present invention is a control method for object search device for searching for the object in the image obtained by imaging an object, and calculating a double Zatsudo FEATURES Te said image smell, the A search step for searching for a subject region indicating the region of the subject in the image, and in the search step, when the complexity exceeds a predetermined complexity threshold value, a predetermined first subject search process is performed, When the complexity is equal to or less than the complexity threshold value, a second subject search process different from the first subject search process is performed .

本発明による制御プログラムは、被写体を撮像して得られた画像において前記被写体を探索する被写体探索装置で用いられる制御プログラムであって、前記被写体探索装置が備えるコンピュータに、前記画像において特徴の複雑度を算出する算出ステップと、前記画像において前記被写体の領域を示す被写体領域を探索する探索ステップと、を実行させ、前記探索ステップでは、前記複雑度が複雑度閾値を超えると所定の第１の被写体探索処理を行い、前記複雑度が前記複雑度閾値以下であると前記第１の被写体探索処理と異なる第２の被写体探索処理を行うことを特徴とする。 Control program according to the present invention is a control program used in the object search device for searching for the object in the image obtained by imaging an object, the computer included in the object search device, said image smell Te FEATURES a calculation step of calculating a multi Zatsudo, a search step of searching for a subject region indicating a region of the object in the image, is executed, the in the search step, the complexity of the predetermined exceeds complexity thresholds first One subject search process is performed, and if the complexity is equal to or less than the complexity threshold value, a second subject search process different from the first subject search process is performed .

Claims (11)

被写体を撮像して得られた画像において前記被写体を探索する被写体探索装置であって、
前記画像において特徴の複雑度を算出する算出手段と、
前記画像において前記被写体の領域を示す被写体領域を探索する探索手段と、
前記複雑度が所定の複雑度閾値を超えると所定の第１の被写体探索処理を前記探索手段に行わせ、前記複雑度が前記複雑度閾値以下であると前記第１の被写体探索処理と異なる第２の被写体探索処理を前記探索手段に行わせる制御手段と、
を有することを特徴とする被写体探索装置。 A subject search device for searching for a subject in an image obtained by imaging the subject,
Calculating means for calculating a feature of the double Zatsudo Te said image smell,
Search means for searching a subject area indicating the area of the subject in the image;
When the complexity exceeds a predetermined complexity threshold value, a predetermined first subject search process is performed by the search means, and when the complexity is equal to or less than the complexity threshold value, the first subject search process is different. Control means for causing the search means to perform subject search processing of 2 ;
A subject search device characterized by comprising: 前記算出手段は、前記画像を複数のブロックに分割して当該ブロックの各々において当該ブロックのエッジ成分を抽出して当該エッジ成分に応じたエッジ評価値が所定のエッジ閾値を超えるブロックの数をカウントし、当該カウントを前記複雑度とすることを特徴とする請求項１に記載の被写体探索装置。 It said calculating means counts the number of blocks edge evaluation value in accordance with the edge component by dividing the image into a plurality of blocks to extract the edge component of the block in each of the block exceeds a predetermined edge threshold value The subject search apparatus according to claim 1, wherein the count is the complexity. 前記第１の被写体探索処理は、前記画像を所定の第１のブロック数で複数のブロックに分割して、当該ブロックの各々においてブロックを代表する代表値に応じて前記ブロックをグルーピングして得られたグループ化ブロックに基づいて前記被写体領域を探索する処理であることを特徴とする請求項１又は２に記載の被写体探索装置。 The first subject search process is obtained by dividing the image into a plurality of blocks with a predetermined first number of blocks, and grouping the blocks according to representative values representing the blocks in each of the blocks. object search device according to claim 1 or 2, characterized in that the based on the grouping block is a process of searching for the subject area. 前記第１の被写体探索処理で用いられる代表値は、ブロックの各々について色信号値を積分して得られた積分値をその画素数で正規化した代表色であることを特徴とする請求項３に記載の被写体探索装置。 Said first representative value used in the subject search process, according to claim, characterized in that a representative color obtained by normalizing the integral value obtained by integrating the color signal values for each of the blocks in the number of pixels 3 The subject search device according to claim 1. 前記第２の被写体探索処理は、前記画像を前記第１のブロック数よりも多い第２のブロック数で複数のブロックに分割して、当該ブロックの各々においてブロックを代表する代表値に応じて前記ブロックをグルーピングして得られたグループ化ブロックに基づいて前記被写体領域を探索する処理であることを特徴とする請求項１〜４のいずれか１項に記載の被写体探索装置。 The second subject search process divides the image into a plurality of blocks with a second number of blocks larger than the first number of blocks, and according to a representative value representing the block in each of the blocks 5. The subject search device according to claim 1 , wherein the subject search device searches for the subject region based on a grouped block obtained by grouping blocks. 前記第２の被写体探索処理で用いられる代表値は、ブロックの各々について輝度信号値を積分して得られた積分値をその画素数で正規化した輝度評価値であることを特徴とする請求項５に記載の被写体探索装置。 The representative value used in the second subject search process is a luminance evaluation value obtained by normalizing an integrated value obtained by integrating luminance signal values for each block by the number of pixels. 5. The subject search device according to 5 . 被写体を撮像して画像を得る撮像手段と、
請求項１〜６のいずれか１項に記載の被写体探索装置と、
を有することを特徴とする撮像装置。 Imaging means for capturing an image of a subject and obtaining an image;
The subject search device according to any one of claims 1 to 6 ,
An imaging device comprising: 前記被写体探索装置に備えられた探索手段によって被写体領域が探索されると、当該被写体領域に対して所定の画像処理を行う画像処理手段を有することを特徴とする請求項７に記載の撮像装置。 The image pickup apparatus according to claim 7 , further comprising an image processing unit configured to perform predetermined image processing on the subject area when the subject area is searched for by the search unit provided in the subject search apparatus. 前記被写体探索装置に備えられた探索手段によって被写体領域が探索されると、前記撮像手段を制御してブラケット撮影を行う撮影制御手段を有することを特徴とする請求項７又は８に記載の撮像装置。 The imaging apparatus according to claim 7 , further comprising a shooting control unit configured to perform bracket shooting by controlling the imaging unit when a subject area is searched for by a search unit provided in the subject searching apparatus. . 被写体を撮像して得られた画像において前記被写体を探索する被写体探索装置の制御方法であって、
前記画像において特徴の複雑度を算出する算出ステップと、
前記画像において前記被写体の領域を示す被写体領域を探索する探索ステップと、を有し、
前記探索ステップでは、前記複雑度が所定の複雑度閾値を超えると所定の第１の被写体探索処理を行い、前記複雑度が前記複雑度閾値以下であると前記第１の被写体探索処理と異なる第２の被写体探索処理を行うことを特徴とする制御方法。 A method for controlling a subject search apparatus for searching for a subject in an image obtained by imaging a subject,
A calculation step of calculating a feature of the double Zatsudo Te said image smell,
Searching for a subject area indicating the subject area in the image, and
In the search step, when the complexity exceeds a predetermined complexity threshold value, a predetermined first subject search process is performed, and when the complexity is equal to or less than the complexity threshold value, the first subject search process is different. 2. A control method comprising performing subject search processing of 2 . 被写体を撮像して得られた画像において前記被写体を探索する被写体探索装置で用いられる制御プログラムであって、
前記被写体探索装置が備えるコンピュータに、
前記画像において特徴の複雑度を算出する算出ステップと、
前記画像において前記被写体の領域を示す被写体領域を探索する探索ステップと、を実行させ、
前記探索ステップでは、前記複雑度が複雑度閾値を超えると所定の第１の被写体探索処理を行い、前記複雑度が前記複雑度閾値以下であると前記第１の被写体探索処理と異なる第２の被写体探索処理を行うことを特徴とする制御プログラム。 A control program used in a subject search apparatus for searching for a subject in an image obtained by imaging a subject,
A computer provided in the subject search device,
A calculation step of calculating a feature of the double Zatsudo Te said image smell,
Searching for a subject area indicating the subject area in the image ; and
In the search step, when the complexity exceeds a complexity threshold value, a predetermined first subject search process is performed, and when the complexity is equal to or less than the complexity threshold value, a second different from the first subject search process is performed. A control program for performing subject search processing .
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