JP2007228047A5

JP2007228047A5 -

Info

Publication number: JP2007228047A5
Application number: JP2006043969A
Authority: JP
Filing date: 2006-02-21
Publication date: 2009-03-26
Anticipated expiration: 2026-02-21

Claims

An image sensor that accumulates charges according to the amount of light received;
A light shielding means that travels a light shielding blade that shields the light receiving surface of the imaging element;
Control means for controlling the timing of starting charge accumulation for each area of the image sensor;
Detecting means for detecting movement of the light shielding blade;
An image pickup apparatus comprising: a correction unit configured to perform luminance correction on image data obtained from the image pickup device based on a timing at which the charge accumulation is started and a detection result of the detection unit.

The imaging device according to claim 1, wherein a plurality of the detection units are arranged with a position shifted in a traveling direction of the light shielding blade.

The imaging device according to claim 1, wherein the detection unit detects a movement of the light shielding blade when the image data is obtained based on image data obtained from the imaging element.

The imaging device according to claim 1, wherein the detection unit detects a traveling position with respect to a lapse of time during traveling of the light shielding blade.

5. The correction unit according to claim 1, wherein the correction unit performs luminance correction on the image data using a detection result of the detection unit when the image data is obtained. Imaging device.

The correction unit obtains a difference between a target exposure time and an actual exposure time for each region of the image sensor based on a timing at which the charge accumulation is started and a detection result of the detection unit, and sets the target. 6. The imaging apparatus according to claim 1, wherein a luminance shift caused by a difference between an exposure time and the actual exposure time is corrected by controlling a gain for each area of the imaging element. .

Storage means for storing a correction table used when performing luminance correction on the image data;
The correction means selects a correction value from the correction table based on a timing at which the charge accumulation is started and a detection result of the detection means, and performs luminance correction on the image data. The imaging device according to any one of 1 to 5.

An image sensor that accumulates charges according to the amount of light received;
A light shielding means that is disposed in front of the image sensor and opens and closes by running a leading blade and a trailing blade;
Detecting means for detecting movement of the leading blade and the trailing blade;
Correction means for performing luminance correction on image data obtained from the image pickup device based on the movement of the leading blade and the movement of the trailing blade detected by the detection means. apparatus.

An image sensor that accumulates charges according to the amount of received light, a light shielding means that travels a light shielding blade that shields the light receiving surface of the image sensor, and a control that controls the timing at which charge accumulation starts for each area of the image sensor A method of controlling an imaging apparatus comprising:
A detection step of detecting the movement of the light shielding blade;
And a correction step of performing luminance correction on the image data obtained from the image pickup device based on the timing for starting the accumulation of the charge and the detection result of the detection step. Method.

An image pickup device control method comprising: an image pickup device that accumulates electric charges according to a received light amount; and a light shielding unit that is disposed in front of the image pickup device and that opens and closes by running a front blade and a rear blade,
A detecting step for detecting movement of the leading blade and the trailing blade;
A correction step of performing luminance correction on image data obtained from the image sensor based on the movement of the leading blade and the movement of the trailing blade detected in the detection step. Control method.

Reading out the image data generated from the output of the image sensor, and information indicating the running characteristics of the light shielding blade that shields the light receiving surface of the image sensor when the image data is generated;
A method for correcting image data, comprising the step of correcting the brightness of the image data based on information indicating a running characteristic of the light shielding blade.

Reading information indicating the timing of the reset operation for each area of the image sensor when the image data is generated;
Comparing the information indicating the running characteristics of the light shielding blade with the information indicating the timing of the reset operation,
The image data correction method according to claim 11, wherein brightness correction of the image data is performed according to the comparison result.

A program comprising program code for causing a computer to execute the image data correction method according to claim 11 or 12.