Abstract: A display method includes acquiring a rectangular first image and, when a half value of a first size indicating a size on a first axis of a rectangular display region where an image is displayed by one or more display devices is equal to or smaller than a second size indicating a size on the first axis of the first image, the one or more display devices displaying, in the display region, a first display image including the first image arranged in a first position, where a first side orthogonal to the first axis and located on one side of the first axis among four sides of the display region and a third side orthogonal to the first axis and located on the one side among four sides of the first image are in contact, or a second position where a second side opposed to the first side among the four sides of the display region and a fourth side opposed to the third side among the four sides of the first image are in contact.

Abstract: A projection method including: when executing a first adjustment including correction of a shape of a first projection image to be projected by a projector, updating a first setting value for correcting the shape of the first projection image by receiving an operation of changing the shape of the first projection image; and projecting, from the projector, a third projection image in which the shape of the first projection image is corrected based on the first setting value and a luminance of an overlapping area in the first projection image is not corrected, the overlapping area being an area where a second projection image projected by another projector different from the projector and the first projection image overlap with each other.

Abstract: A display system includes a plurality of display devices configured to display a display image, a computer configured to supply, to the plurality of display devices, information indicating the display image generated based on a first video signal conforming to a first communication standard, and a communication device configured to execute transmitting, to a video supply device on an outside, image information indicating resolution of a display region where the plurality of display devices display the display image, receiving, from the video supply device, a second video signal conforming to a second communication standard different from the first communication standard, and converting the second video signal into the first video signal and transmitting the first video signal to the computer.

Abstract: An image processing method includes acquiring a first captured image that is produced by capturing an image of an object with an imaging device at first time and that contains a first point, acquiring a second captured image that is produced by capturing an image of the object with the imaging device at second time different from the first time and that contains a second point corresponding to the first point, and outputting first output information that is information for image processing based on at least one of the first and second captured images when a first indicator value generated based on the coordinates of the first point in the first captured image and the coordinates of the second point in the second captured image is smaller than or equal to a threshold.

Abstract: An information generation method including identifying a correspondence relationship between a projector coordinate system and a camera coordinate system, the correspondence relationship identified based on a first image and a second image, the first image projected on a projection target from a projector, and the second image obtained by imaging the projection target using a camera in a state in which the first image is projected on the projection target, displaying, by a display device, a taken image of the projection target which is taken by the camera, receiving a first operation which designates a display area in the camera coordinate system, and generating information for making the projector project a projection image in which a projection object is disposed in the display area designated by the first operation based on the correspondence relationship and information which representing the display area designated by the first operation.

Abstract: There is provided a setting support method for a projection region including, acquiring a first image obtained by imaging a projection object onto which a projection image is projected, estimating a shape of a projection region, which is a projection destination of the projection image in the projection object, calculating a first similarity degree indicating a degree of similarity of a first template image showing a first candidate of the shape of the projection region and the shape estimated based on the first image, calculating a second similarity degree indicating a degree of similarity of a second template image showing a shape of a second candidate different from the first candidate and the shape estimated based on the first image, and displaying the first template image and the second template image in display order or display forms corresponding to the first similarity degree and the second similarity degree.

Abstract: A projection method including specifying a first correspondence between a projector coordinate system and a camera coordinate system, based on a first picked-up image and a first image, determining a second correspondence between the projector coordinate system and the camera coordinate system, based on a second picked-up image and a second image, generating correction information, based on one or a plurality of first feature points in a third image acquired by converting the first picked-up image into the projector coordinate system, based on the first correspondence, and one or a plurality of second feature points corresponding to the one or plurality of the first feature points, in a fourth image acquired by converting the second picked-up image into the projector coordinate system, based on the second correspondence, and projecting the projection image that is corrected based on the correction information.

Abstract: There is provided an information generation method including, identifying a correspondence relationship between a projector coordinate system and a camera coordinate system, receiving a first operation of designating a first display area representing an arrangement destination of a projection object which is projected on a projection target in a first coordinate system which is one of the camera coordinate system or the projector coordinate system, transforming the first display area into a second display area representing an arrangement destination of the projection object in a second coordinate system which is another of the camera coordinate system or the projector coordinate system based on the correspondence relationship, receiving a second operation of changing at least one of a shape or a position of the second display area, and generating information for changing at least one of a shape or a position of the projection object in accordance with the second operation.

Abstract: An information generation method includes obtaining a first image projected on the projection target by a projector, a second image taken from a first imaging position, and a third image taken from a second imaging position, identifying a first correspondence relationship between a first coordinate system and a second coordinate system based on the first and second images, identifying a second correspondence relationship between a first coordinate system and a third coordinate system based on the first and third images, making the user designate a display area in the second coordinate system, generating transformation information for transforming the display area designated into a display area in the third coordinate system based on the first correspondence relationship and the second correspondence relationship.

Abstract: There is provided a setting assistance apparatus including a touch panel, which includes a display apparatus, a camera, and a processor. The processor programmed to cause the camera to capture an image of a projection image projected by a projector on a target to generate a captured image, cause the display apparatus to display the captures image, superimposes a guide image that prompts execution of the operation of setting at least one of the position or size of the projection image on the captured image, and cause the display apparatus to display the superimposed image.

Abstract: A projection method including specifying a first correspondence between a projector coordinate system and a camera coordinate system, based on a first picked-up image and a first image, determining a second correspondence between the projector coordinate system and the camera coordinate system, based on a second picked-up image and a second image, generating correction information, based on one or a plurality of first feature points in a third image acquired by converting the first picked-up image into the projector coordinate system, based on the first correspondence, and one or a plurality of second feature points corresponding to the one or plurality of the first feature points, in a fourth image acquired by converting the second picked-up image into the projector coordinate system, based on the second correspondence, and projecting the projection image that is corrected based on the correction information.

Abstract: A display method including acquiring a first image by causing a camera to capture an image of a target area in which markers are located, displaying the first image on a display panel, and displaying a second image superimposed on the first image on the display panel, the second image including a guide corresponding to number of the makers located in the target area or the positional relationship among the markers.

Abstract: There is provided a setting support method for a projection region including, acquiring a first image obtained by imaging a projection object onto which a projection image is projected, estimating a shape of a projection region, which is a projection destination of the projection image in the projection object, calculating a first similarity degree indicating a degree of similarity of a first template image showing a first candidate of the shape of the projection region and the shape estimated based on the first image, calculating a second similarity degree indicating a degree of similarity of a second template image showing a shape of a second candidate different from the first candidate and the shape estimated based on the first image, and displaying the first template image and the second template image in display order or display forms corresponding to the first similarity degree and the second similarity degree.

Abstract: There is provided a specifying method including, determining whether an camera, that images a projection object onto which a projection image is projected from a projector, is fixed, sequentially projecting images belonging to a first group onto the projection object from the projector when determining that the camera is not fixed, sequentially projecting images belonging to a second group onto the projection object from the projector when determining that the camera is fixed, imaging the projection object with the camera to generate a captured mage in a state in which the images belonging to the first group or the images belonging to the second group are projected, and specifying, based on an image projected onto the projection object from the projector and the captured image by the camera, a correspondence relation between a position on the image projected onto the projection object and a position on the captured image.

Abstract: There is provided an information generation method including, identifying a correspondence relationship between a projector coordinate system and a camera coordinate system, receiving a first operation of designating a first display area representing an arrangement destination of a projection object which is projected on a projection target in a first coordinate system which is one of the camera coordinate system or the projector coordinate system, transforming the first display area into a second display area representing an arrangement destination of the projection object in a second coordinate system which is another of the camera coordinate system or the projector coordinate system based on the correspondence relationship, receiving a second operation of changing at least one of a shape or a position of the second display area, and generating information for changing at least one of a shape or a position of the projection object in accordance with the second operation.

Abstract: An information generation method including identifying a correspondence relationship between a projector coordinate system and a camera coordinate system, the correspondence relationship identified based on a first image and a second image, the first image projected on a projection target from a projector, and the second image obtained by imaging the projection target using a camera in a state in which the first image is projected on the projection target, displaying, by a display device, a taken image of the projection target which is taken by the camera, receiving a first operation which designates a display area in the camera coordinate system, and generating information for making the projector project a projection image in which a projection object is disposed in the display area designated by the first operation based on the correspondence relationship and information which representing the display area designated by the first operation.

Abstract: An information generation method includes obtaining a first image projected on the projection target by a projector, a second image taken from a first imaging position, and a third image taken from a second imaging position, identifying a first correspondence relationship between a first coordinate system and a second coordinate system based on the first and second images, identifying a second correspondence relationship between a first coordinate system and a third coordinate system based on the first and third images, making the user designate a display area in the second coordinate system, generating transformation information for transforming the display area designated into a display area in the third coordinate system based on the first correspondence relationship and the second correspondence relationship.

Abstract: There is provided a setting assistance apparatus including a touch panel, which includes a display apparatus, a camera, and a processor. The processor programmed to cause the camera to capture an image of a projection image projected by a projector on a target to generate a captured image, cause the display apparatus to display the captures image, superimposes a guide image that prompts execution of the operation of setting at least one of the position or size of the projection image on the captured image, and cause the display apparatus to display the superimposed image.

Abstract: A projection optical apparatus includes an optical system and a projection optic enclosure that accommodates the optical system. The optical system includes a first optical system on which the image light is incident, and the projection optic enclosure includes a first accommodation section that accommodates the first optical system and includes a flange section (supported section) supported by the image forming apparatus and a first wall section and a second wall section that face each other in a first direction (Y direction) that intersects the direction along a line that connects the flange section to the center of gravity of the projection optical apparatus.

Abstract: A projection optical apparatus includes an optical system and a projection optic enclosure that accommodates the optical system. The optical system includes a first optical system on which the image light is incident, and the projection optic enclosure includes a first accommodation section that accommodates the first optical system and includes a flange section (supported section) supported by the image forming apparatus and a first wall section and a second wall section that face each other in a first direction (Y direction) that intersects the direction along a line that connects the flange section to the center of gravity of the projection optical apparatus.