JP2012235256A5

JP2012235256A5 - Imaging apparatus, imaging method, and program

Info

Publication number: JP2012235256A5
Application number: JP2011101579A
Authority: JP
Filing date: 2011-04-28
Publication date: 2014-05-22
Anticipated expiration: 2031-04-28

Description

本発明は、撮像により得られる画像に対する画像処理の速度を向上させることができる撮像装置、撮像方法及びプログラムに関する。 The present invention relates to an imaging apparatus , an imaging method, and a program capable of improving the speed of image processing on an image obtained by imaging .

上記目的を達成するため、本発明の一態様の撮像装置は、撮像素子を構成する各画素から画素データを、所定の読み出し順番で読み出すことによって、当該各画素の画素データから構成される第１撮像画像のデータを取得する第１の画像取得手段と、前記第１の画像取得手段により前記第１撮像画像のデータが取得される前に第２撮像画像のデータを取得する第２の画像取得手段と、前記第２の画像取得手段により取得された前記第２撮像画像のデータに基づいて、当該第２撮像画像の特徴領域に対応する、前記撮像素子の撮像範囲を判別する撮像範囲判別手段と、前記撮像範囲判別手段の判別結果に基づいて、前記第１の画像取得手段による前記読み出し順番を決定する決定手段と、を備えることを特徴とする。 In order to achieve the above object, an imaging device according to one embodiment of the present invention is configured to read pixel data from each pixel included in an imaging element in a predetermined reading order, so that the first pixel configured from pixel data of each pixel. First image acquisition means for acquiring captured image data, and second image acquisition for acquiring data of the second captured image before the first captured image data is acquired by the first image acquisition means And an imaging range discriminating unit that discriminates an imaging range of the imaging element corresponding to the feature region of the second captured image based on the data of the second captured image acquired by the second image acquiring unit. If, based on the discrimination result of the imaging range determining means, characterized in that it comprises a determined Teisu Ru determining means said read sequentially by the first image acquisition unit.

Claims

First image acquisition means for acquiring data of a first captured image composed of pixel data of each pixel by reading out pixel data from each pixel constituting the image sensor in a predetermined readout order;
Second image acquisition means for acquiring data of a second captured image before the data of the first captured image is acquired by the first image acquisition means;
An imaging range determination unit that determines an imaging range of the imaging element corresponding to a feature region of the second captured image based on the data of the second captured image acquired by the second image acquisition unit;
Based on the discrimination result of the imaging range determining means, said determining means reads the order Ru to determine Teisu by the first image acquisition unit,
An imaging apparatus comprising:

The second captured image is a live view image that is displayed on a display unit so that a user of the imaging apparatus can confirm the imaging content captured by the imaging element.
The first captured image is a captured image acquired from the image sensor in response to a shooting instruction from the user.
The imaging apparatus according to claim 1.

Specific image processing means for performing specific image processing on captured image data composed of pixel data of each pixel acquired by the first image acquisition means;
The imaging range determination unit determines the imaging range corresponding to the feature region, using the region where the specific image processing in the specific image processing unit takes time as the feature region,
The imaging apparatus according to claim 1 or 2 , wherein

The imaging range determining means determines the time required for the specific image processing in the specific image processing means based on the luminance of each pixel constituting the second captured image.
The imaging apparatus according to claim 3 .

The imaging range determining unit determines a time required for the specific image processing in the specific image processing unit according to a type of a special effect performed in the specific image processing unit;
The imaging apparatus according to claim 3 .

A pixel number determining means for determining whether or not the number of image pickup pixels used in the specific image processing in the specific image processing means is a predetermined number or more among the image pickup pixels constituting the image pickup device;
The imaging range discriminating unit discriminates the imaging range when the pixel number discriminating unit discriminates that the imaging pixel number is a predetermined number or more, and the pixel number discriminating unit determines the imaging pixel number. When it is determined that the number is less than the number, the determination of the imaging range is prohibited,
The determination unit, when the determination of the imaging range is prohibited by the imaging range determining means, based on different criteria from the discrimination result of the imaging range determining means determines the read order,
The imaging apparatus according to any one of claims 3 to 5 , wherein:

The image sensor is a CMOS, and the readout order is in line units,
The determination unit, the horizontal lines belonging to the imaging range, as determined by the imaging range determining means to be read out preferentially, determines the read order,
The imaging apparatus according to any one of claims 1 to 6, characterized in that.

An imaging method in an imaging apparatus for acquiring captured image data,
A first image acquisition step of acquiring data of a first captured image composed of pixel data of each pixel by reading out pixel data from each pixel constituting the image sensor in a predetermined reading order;
A second image acquisition step of acquiring data of a second captured image before the data of the first captured image is acquired by the first image acquisition step;
An imaging range determination step for determining an imaging range of the imaging element corresponding to a feature region of the second captured image based on the data of the second captured image acquired by the second image acquisition step;
A determination step for determining the readout order by the first image acquisition step based on the determination result of the imaging range determination step;
An imaging method comprising:

A computer for controlling an image pickup apparatus for obtaining data of a captured image,
A first image acquisition function for acquiring data of a first captured image composed of pixel data of each pixel by reading out pixel data from each pixel constituting the image sensor in a predetermined readout order;
A second image acquisition function of acquiring the data of the second image before the data of the first image by the first image acquisition function is obtained,
Based on the data of the acquired second image by the second image acquisition function, corresponding to the feature region of the second image, the imaging range determination function of determining the imaging range of the imaging device,
Based on the discrimination result of the imaging range determination function, the read sequentially determined Teisu Ru decision function according to the first image acquisition function,
A program characterized by realizing .