Abstract: A visual function detection apparatus includes: a display controller configured to cause an image for determination to be displayed in a display region on a display screen of a display unit and move the image for determination within the display region; a gazing point detector configured to detect a position of a gazing point of a test subject observing the display screen; a relation detector configured to detect relation information among a position of the image for determination on the display screen, a moving direction of the image for determination, and a moving direction of the gazing point; and a visual function detector configured to detect a visual function of the test subject based on the relation information.

Abstract: A diagnosis assisting apparatus includes a display, an imaging unit configured to image a subject, a line of sight detecting unit configured to detect a line of sight direction of the subject from a picked-up image imaged by the imaging unit, a point of view detecting unit configured to detect a point of view of the subject in a display region of the display based on the line of sight direction, and an output controller configured to display a diagnostic image including a natural image and a geometrical image, and the point of view detecting unit detects the point of view of the subject in a case where the diagnostic image is displayed.

Abstract: A corneal reflex position detection device includes a pupil detecting unit that detects the center position of the pupil from an image of an eye of a test subject; and a corneal reflex detecting unit that detects the corneal reflex area from the image. The corneal reflex detecting unit enlarges, in a stepwise manner, a detection target area with reference to the center position of the pupil, to detect whether or not a high-luminance area having the luminance to be equal to or greater than a luminance threshold value is present in the image; and, if the high-luminance area is detected, determines that the high-luminance area represents the corneal reflex area.

Abstract: A gaze detection apparatus includes a light source configured to irradiate an eyeball of a subject with detection light, a position detection unit configured to detect positions of pupil centers indicating centers of pupils of right and left respective eyeballs and positions of corneal reflection centers indicating centers of corneal reflexes of the right and left respective eyeballs from an image of the eyeball irradiated with the detection light, a curvature radius calculation unit configured to calculate corneal curvature radii of the right and left respective eyeballs from a position of the light source and the positions of the corneal reflection centers, a gaze detection unit configured to detect gaze directions of the right and left respective eyeballs from the positions of the pupil centers and the corneal curvature radii, a viewpoint detection unit, an output control unit, and a determination unit.

Abstract: A gaze detection device includes a display screen configured to display an image; a sound output device configured to output a sound; a gaze point detector configured to detect a position of a point of gaze of an observer observing the display screen; an area setting unit configured to set a specific area on the display screen or part of the image; a determination unit configured to, when the specific area is set on the display screen or the image, determine whether the point of gaze is within the specific area on the basis of a result of the detecting the position of the point of gaze; and an output controller configured to cause the display screen to display the image and cause the sound output device to output the sound and adjust at least a mode in which the sound is output.

Abstract: An evaluation device includes: a display screen configured to displays images; a gaze point detection unit configured to detect a position of a gaze point of an examinee who observes the display screen; a display controller configured to display an indicator at an offset position having a predetermined relative positional relationship with the gaze point on the display screen based on a detection result of the position of the gaze point; an arithmetic unit configured to determine whether the examinee has recognized the indicator; and an evaluation unit configured to evaluate a visual function of the examinee based on a determination result from the arithmetic unit, wherein the arithmetic unit is further configured to determine that the examinee has recognized the indicator when the gaze point moves toward the indicator and thus the offset position is located outside the display screen.

Abstract: A visual performance examination device includes an image data obtaining unit that obtains image data of the right eye and image data of the left eye of a test subject who is irradiated with a detection light emitted from a light source; a position calculating unit that, based on the image data of the right eye, calculates first-type relative position data indicating the relative position between the pupil and the corneal reflex of the right eye, and, based on the image data of the left eye, calculates second-type relative position data indicating the relative position between the pupil and the corneal reflex of the left eye; and an evaluating unit that, based on the first-type relative position data and the second-type relative position data, outputs evaluation data about the visual performance of the test subject.

Abstract: An evaluation device includes a display screen; a gaze point detection unit that detects a position of a gaze point of an examinee; an area setting unit that sets a specific area for a first indicator on the display screen; a determination unit that determines whether the gaze point is present in the specific area based on the position thereof; a display controller that displays a second indicator at a different position from the first indicator when determining that the gaze point is present in the specific area; a arithmetic unit that determines whether the examinee has recognized the second indicator; and an evaluation unit that evaluates a visual function of the examinee based on a determination result from the arithmetic unit. The display controller doesn't display the second indicator when determining that the gaze point isn't present in the specific area after the second indicator has been displayed.

Abstract: A corneal reflex position detection device includes a pupil detecting unit that detects the center position of the pupil from an image of an eye of a test subject; and a corneal reflex detecting unit that detects the corneal reflex area from the image. The corneal reflex detecting unit enlarges, in a stepwise manner, a detection target area with reference to the center position of the pupil, to detect whether or not a high-luminance area having the luminance to be equal to or greater than a luminance threshold value is present in the image; and, if the high-luminance area is detected, determines that the high-luminance area represents the corneal reflex area.

Abstract: A line-of-sight detection device includes an image data acquisition unit that acquires image data of a face of a subject irradiated with detection light emitted from at least one light source, a line-of-sight detection unit that detects a line of sight of the subject based on the image data, an image processing unit that performs image processing on the image data to generate a feature image of the face and an eyeglasses reflection image indicating a reflection image of the at least one light source on eyeglasses worn on the face, and a display controller that causes a display device to display the feature image and the eyeglasses reflection image in a different display form in a composite image in which the feature image and the eyeglasses reflection image are combined.

Abstract: A gaze detection device includes a display screen configured to display an image; a sound output device configured to output a sound; a gaze point detector configured to detect a position of a point of gaze of an observer observing the display screen; an area setting unit configured to set a specific area on the display screen or part of the image; a determination unit configured to, when the specific area is set on the display screen or the image, determine whether the point of gaze is within the specific area on the basis of a result of the detecting the position of the point of gaze; and an output controller configured to cause the display screen to display the image and cause the sound output device to output the sound and adjust at least a mode in which the sound is output.

Abstract: A diagnosis supporting device includes a display, an imaging unit configured to capture a subject, an eye gaze detector configured to detect an eye gaze direction of the subject from a captured image captured by the imaging unit, a gaze point detector configured to detect a gaze point of the subject in a display region of the display, based on the eye gaze direction, an output controller configured to display, on the display, a diagnosis image that includes a person image and a geometric pattern image, and in which at least one of contrast, color density, and a degree of transmittance of the person image or the geometric pattern image is changed over time, and an evaluator configured to calculate an evaluation value of the subject, based on the gaze point detected by the gaze point detector when the diagnosis image is displayed.

Abstract: A display, imaging units that capture a subject, an eye gaze detector that detects an eye gaze direction of the subject, from the captured image captured by the imaging units, a gaze point detector that detects a gaze point of the subject in a display region of the display, based on the eye gaze direction, an output controller that displays any of a plurality of diagnosis images on the display, selects the diagnosis image to be displayed next according to a position of the gaze point detected when the diagnosis image is displayed, from the plurality of diagnosis images, and further displays the selected diagnosis image on the display, and an evaluator that calculates an evaluation value of the subject, based on the gaze point detected by the gaze point detector when the diagnosis image is displayed.

Abstract: A diagnosis supporting device includes an imaging unit that images a subject, an eye gaze detector that detects an eye gaze direction of the subject from an image captured by the imaging unit, a gaze point detector that detects a gaze point of the subject in a display area of a display on the basis of the eye gaze direction, and an output controller that causes the display area to display a diagnostic image composed by superposing a pattern image onto a natural image.

Abstract: An eye gaze detection apparatus includes a plurality of illuminators each including a light source for emitting light and disposed symmetrically with respect to a predetermined position, a plurality of imaging units each disposed at an inner or outer position with respect to the plurality of illuminators, a position detector configured to detect a first position indicating a pupil center and a second position indicating a corneal reflection center based on an image of an eyeball of a subject, the image being captured by the imaging unit with the light emitted by the illuminator, and a calculator configured to calculate a fourth position indicating a corneal curvature center, based on the predetermined position, a third position on a display, the first position, and the second position.

Abstract: A visual line detection apparatus includes a light source, a position detection unit configured to detect positions of pupil centers and positions of corneal reflection centers, a curvature radius calculation unit configured to calculate corneal curvature radii from a position of the light source and the positions of the corneal reflection centers, a viewpoint detection unit configured to detect viewpoints from the positions of the pupil centers and the corneal curvature radii, an extraction unit configured to extract pupil parameters indicating sizes of the pupils of the right and left respective eyeballs from the image of the eyeballs, and a correction unit configured to correct the viewpoint of the left eyeball and the viewpoint of the right eyeball on the basis of the pupil parameters and calculate a synthesized viewpoint.

Abstract: A gaze detection apparatus includes a light source configured to irradiate an eyeball of a subject with detection light, a position detection unit configured to detect positions of pupil centers indicating centers of pupils of right and left respective eyeballs and positions of corneal reflection centers indicating centers of corneal reflexes of the right and left respective eyeballs from an image of the eyeball irradiated with the detection light, a curvature radius calculation unit configured to calculate corneal curvature radii of the right and left respective eyeballs from a position of the light source and the positions of the corneal reflection centers, a gaze detection unit configured to detect gaze directions of the right and left respective eyeballs from the positions of the pupil centers and the corneal curvature radii, a viewpoint detection unit, an output control unit, and a determination unit.

Abstract: An eye gaze detection supporting device includes an illuminator including a light source that performs irradiation with light, a plurality of imaging units, position detectors that detect a first position indicating a center of a pupil and a second position indicating a center of corneal reflection, from an image of an eye ball of a subject irradiated with light by the illuminator, and captured by the imaging units, and a calculator that calculates a fourth position indicating a curvature center of a cornea, based on a position of the light source, a third position on a display, the first position, and the second position.

Abstract: A diagnosis assisting apparatus includes a display, an imaging unit configured to image a subject, a line of sight detecting unit configured to detect a line of sight direction of the subject from a picked-up image imaged by the imaging unit, a point of view detecting unit configured to detect a point of view of the subject in a display region of the display based on the line of sight direction, and an output controller configured to display a diagnostic image including a natural image and a geometrical image, and the point of view detecting unit detects the point of view of the subject in a case where the diagnostic image is displayed.

Abstract: A diagnosis assisting apparatus includes a display, an imaging unit configured to image a subject, a line of sight detecting unit configured to detect a line of sight direction of the subject from a picked-up image imaged by the imaging unit, a point of view detecting unit configured to detect a point of view of the subject in a display region of the display based on the line of sight direction, and an output controller configured to display a diagnostic image including a natural image and a geometrical image, and the point of view detecting unit detects the point of view of the subject in a case where the diagnostic image is displayed.