Optical image measuring device, optical image measuring program, fundus observation device, and fundus observation program

An optical image measuring program for controlling an optical image measuring device comprising:

• a light source;
• an interference light generating means for splitting the light output from said light source into a signal light directed toward an object to be measured and an reference light directed toward a reference object, and also for generating an interference light by overlaying the signal light that has passed through said object to be measured and the reference light that has passed through said reference object;
• a detecting means for outputting a detection signal upon receipt of said generated interference light;
• a scanning means for scanning the incident position of said signal light with respect to said object to be measured in a given main scanning direction and in a sub-scanning direction perpendicular to the main scanning direction respectively;
• and
• an image processing means for forming an image in the depth direction of said object to be measured at said incident position on the basis of said detection signal based on the interference light generated by said signal light that has passed through the incident position and said reference light and for forming a tomographic image along said two or more main scanning directions at different positions in said sub-scanning direction by forming the tomographic image along said main scanning direction based on said image at each of said formed incident positions, for each of a plurality of said incident positions along said main scanning direction;
• wherein
• said scanning means is controlled so as to scan said signal light in the given direction crossing with said main scanning direction, and
• said image processing means is made to form a tomographic image for correction along said given direction and to correct the displacement of each of said two or more formed tomographic images based on said tomographic image for correction.

A fundus observation device comprising:

• a first image forming means for forming a 2-dimensional image of the surface of a fundus oculi of an eye to be examined;
• and
• a second image forming means for forming a tomographic image of said fundus oculi;
• wherein
• said fundus observation device comprises the first image processing means for generating an integrated image by integrating tomographic images formed by said second image forming means in the depth direction, for detecting displacement in the direction perpendicular to said depth direction of said generated integrated image based on said 2-dimensional image formed by said first image forming means, and for correcting the displacement of said tomographic images in said perpendicular direction based on said detected displacement.

A fundus observation device comprising:

• a first image forming means for forming a 2-dimensional image of the surface of a fundus oculi of an eye to be examined;
• a light source;
• an interference light generating means for splitting the light output from said light source into a signal light directed toward said fundus oculi and an reference light directed toward a reference object, and also for generating an interference light by overlaying the signal light that has passed through said fundus oculi and the reference light that has passed through said reference object;
• a detecting means for outputting a detection signal upon receipt of said generated interference light;
• a scanning means for scanning the incident position of said signal light with respect to said fundus oculi in a given main scanning direction and in a sub-scanning direction perpendicular to the main scanning direction respectively;
• and a second image forming means for forming an image in the depth direction of said fundus oculi at said incident position on the basis of said detection signal based on the interference light generated by said signal light passing incident position and said reference light and for forming a tomographic image along said two or more main scanning directions at different positions in said sub-scanning direction by forming the tomographic image along said main scanning direction based on said image at each of said formed incident positions, for each of a plurality of said incident positions along said main scanning direction;
• wherein
• said fundus observation device comprises:
• a first image processing means for generating each integrated image of said two or more tomographic images by integrating each of the two or more tomographic images formed by said second image forming means in said depth direction, for detecting displacement in the direction perpendicular to said depth direction of each of said formed two or more integrated images based on said 2-dimensional image formed by said first image forming means, and for correcting each displacement of said two or more tomographic images in said perpendicular direction based on said detected displacement;
• a control means for controlling said scanning means of said second image forming means so as to scan said signal light in the given direction crossing with said main scanning direction;
• and
• a second image processing means for forming a tomographic image for correction along said given direction and for correcting the displacement in said depth direction of each of said formed two or more tomographic images based on said tomographic image for correction.

A fundus observing program that makes a fundus observation device function so as to

• generate an integrated image by integrating a tomographic image formed by said second image forming means in the depth direction,
• detect displacement in the direction perpendicular to said depth direction of said generated integrated image based on said 2-dimensional image formed by said first image forming means, and
• correct the displacement of said tomographic images in said perpendicular direction based on said detected displacement, wherein
• said fundus observation device comprises a first image forming means for forming a 2-dimensional image of the surface of a fundus oculi of an eye to be examined;
• and
• a second image forming means for forming a tomographic image of said fundus oculi.

A fundus oculi observing program that makes a fundus observation device function as:

• the first image processing means for generating each integrated image of said two or more tomographic images by integrating each of said two or more tomographic images formed by said second image forming means in said depth direction, for detecting displacement in the direction perpendicular to said depth direction of said each of generated two or more integrated images based on the 2-dimensional image formed by said first image forming means, and for correcting each displacement of said two or more tomographic images at said perpendicular direction based on said detected displacement;
• a control means for controlling said scanning means of said second image forming means so as to scan said signal light in the given direction crossing with said main scanning direction;
• and
• a second image processing means for forming a tomographic image for correction along said given direction and for correcting the displacement at said depth direction of each of said formed two or more tomographic images based on said tomographic image for correction, wherein
• said fundus observation device comprises:
• a first image forming means for forming a 2-dimensional image of the surface of a fundus oculi of an eye to be examined;
• a second image forming means comprising:
• a light source;
• an interference light generating means for splitting the light output from said light source into a signal light directed toward said fundus oculi and an reference light directed toward a reference object, and also for generating an interference light by overlaying the signal light that has passed through said fundus oculi and the reference light that has passed through said reference object;
• a detecting means for outputting a detection signal upon receipt of said generated interference light;
• a scanning means for scanning the incident position of said signal light with respect to said fundus oculi in a given main scanning direction and in a sub-scanning direction perpendicular to the main scanning direction respectively;
• and an image processing means for forming an image in the depth direction of said fundus oculi at said incident position on the basis of said detection signal based on the interference light generated by said signal light that has passed the incident position and said reference light and for forming a tomographic image along said two or more main scanning directions at different positions in said sub-scanning direction by forming the tomographic image along said main scanning direction based on said image at said each formed incident position, for each of a plurality of said incident positions along said main scanning direction.