Abstract: A control method of a projection system, that includes a first projection portion, a second projection portion and a processor, and performs projection based on a content image, includes: by the processor, setting, based on input information, a coordinate space corresponding to a non-projection range between a first projection range of the first projection portion and a second projection range of the second projection portion; and performing a control of generating a first projection image and a second projection image based on the set coordinate space and the content image, causing the first projection portion to project the first projection image, and causing the second projection portion to project the second projection image.

Abstract: An image processing device includes: an image acquisition unit that acquires first and second image data for projecting the image from the first and second projection units respectively; a superimposed region information acquisition unit that acquires information on a superimposed region between the projection range of the first projection unit and the projection range of the second projection unit; a first image processing unit that performs first image processing on a first portion in the first image data corresponding to the superimposed region; a second image processing unit that performs second image processing on a second portion in the second image data corresponding to the superimposed region; and an output unit that outputs the first image data after the first image processing as image data for the first projection unit and outputs the second image data after the second image processing as image data for the second projection unit.

Abstract: A control method of a projection system that includes a projection portion and a processor and projects a content image to a first range set in a projection range of the projection portion, includes: by the processor, projecting a first image for providing an instruction for the first range by a user to a position corresponding to an operation of the user from the projection portion such that the first image is superimposed on a projection image; and executing a control of setting the first range in accordance with an operation of the user performed on the first image.

Abstract: A projection control device that controls a projection portion which projects an image to a projection surface includes a ray position detection portion that detects an irradiation position of a ray irradiated on the projection surface, and a specific image superimposition control portion that superimposes a predetermined specific image on a region corresponding to the irradiation position in the image. In a state where the specific image is superimposed on a first region corresponding to a first position detected by the ray position detection portion in the image, the specific image superimposition control portion, in a case where the irradiation position moves out of a predetermined range including the first position, moves the specific image to a region corresponding to the irradiation position that has moved, and in a case where the irradiation position moves within the range, continues superimposition of the specific image on the first region.

Abstract: A projection apparatus, a projection method, a control device, and a computer readable medium storing a control program that enable an instruction operation for geometric processing to be easily performed are provided. A projection portion projects a projection image generated by a light modulation portion based on an input image. In a case of performing geometric processing of the projection image in a non-display region other than a display region of the projection image within a displayable region of the light modulation portion, a control device performs a control of projecting a support image showing at least a part of the displayable region from the projection portion.

Abstract: A projection system performs projection so that a projection range of a first projection portion and a projection range of a second projection portion are partially overlapped with each other, and includes a processor configured to: perform a control of shifting, from the first state as defined herein, to the second state as defined herein; and execute a control of adjusting a relative position between a first projection range of the first projection portion and a second projection range of the second projection portion in accordance with a received instruction.

Abstract: An image processing device includes: an image acquisition unit that acquires first and second image data for projecting the image from the first and second projection units respectively; a superimposed region information acquisition unit that acquires information on a superimposed region between the projection range of the first projection unit and the projection range of the second projection unit; a first image processing unit that performs first image processing on a first portion in the first image data corresponding to the superimposed region; a second image processing unit that performs second image processing on a second portion in the second image data corresponding to the superimposed region; and an output unit that outputs the first image data after the first image processing as image data for the first projection unit and outputs the second image data after the second image processing as image data for the second projection unit.

Abstract: A projection apparatus projects an image by an optical system having at least one optical characteristic being variable, and the projection apparatus includes a processor configured to perform a control of regulating a movement of a projection region to which the image is projected, based on the at least one optical characteristic in the optical system.

Abstract: A projection apparatus projects a first image projected by a first projection portion and a second image projected by a second projection portion in a partially overlapping manner, and includes: a processor configured to perform a projection control on a first region of the first image set as an overlapping region with the second image and a second region of the second image set as an overlapping region with the first image, and the processor is configured to: in a case where a first operation of providing an instruction to change the first region and the second region is received, perform at least one of: a control of projecting the first image; or a control of projecting the second image; and in a case where a second operation of providing an instruction to confirm the first region is received, finish the control corresponding to the first operation.

Abstract: A projection apparatus includes a light source, a light modulation portion, a first mirror, a second mirror, a third mirror, a fourth mirror, and a projection optical system. The light source performs irradiation with light. The light modulation portion modulates the light from the light source. The first mirror, the second mirror, the third mirror, and the fourth mirror reflect an optical image modulated by the light modulation portion. The projection optical system projects the optical image reflected by the first mirror, the second mirror, the third mirror, and the fourth mirror to a projection surface of a projection target object. The first mirror, the second mirror, the third mirror, and the fourth mirror are arranged between the light modulation portion and the projection optical system.

Abstract: A projection apparatus includes a projection portion that performs irradiation with projection light, and a moving mechanism that moves a projection range of the projection light. In a state where the projection range is maintained, the projection apparatus displays an image showing a movement destination of the projection range in response to a first operation by the projection portion. The projection apparatus moves the projection range to the movement destination by the moving mechanism.

Abstract: An image processing device includes: an image acquisition unit that acquires first and second image data for projecting the image from the first and second projection units respectively; a superimposed region information acquisition unit that acquires information on a superimposed region between the projection range of the first projection unit and the projection range of the second projection unit; a first image processing unit that performs first image processing on a first portion in the first image data corresponding to the superimposed region; a second image processing unit that performs second image processing on a second portion in the second image data corresponding to the superimposed region; and an output unit that outputs the first image data after the first image processing as image data for the first projection unit and outputs the second image data after the second image processing as image data for the second projection unit.

Abstract: An operation device for executing a first hash function and a second hash function having a larger input data width than that of the first hash function, includes a first conversion circuit configured to, upon receipt of a selection signal indicating the first hash function, convert input data according to the input data width of the second hash function, a hash operation circuit configured to perform, based on the selection signal, either the first hash function or the second hash function on the input data and generate output data, a second conversion circuit configured to, when the selection signal indicates the first hash function, convert the output data according to an output data width of the first hash function, and an output buffer that stores the output data.

Abstract: A projection apparatus includes: a projection portion; and a processor, and the processor is configured to: cause a user to select, among end parts of a projection region irradiated with projection light by the projection portion, a part of an end part of the projection region; and in a state where a position of the part of the end part is sensed as being a first position, maintain the position of the part of the end part and execute, by a control of changing an optical system of the projection portion, a control of performing enlargement or reduction of the projection region.

Abstract: An image processing device includes: an image acquisition unit that acquires first and second image data for projecting the image from the first and second projection units respectively; a superimposed region information acquisition unit that acquires information on a superimposed region between the projection range of the first projection unit and the projection range of the second projection unit; a first image processing unit that performs first image processing on a first portion in the first image data corresponding to the superimposed region; a second image processing unit that performs second image processing on a second portion in the second image data corresponding to the superimposed region; and an output unit that outputs the first image data after the first image processing as image data for the first projection unit and outputs the second image data after the second image processing as image data for the second projection unit.

Abstract: A zoom lens forms an intermediate image at a position conjugate to a reduction side imaging plane and forms the intermediate image again on a magnification side imaging plane. The zoom lens includes a plurality of lens groups including at least two movable lens groups, which move by changing spacings between the groups adjacent to each other in a direction of an optical axis during zooming, at a position closer to the reduction side than the intermediate image. Among the plurality of lens groups, a final lens group closest to the reduction side has a positive refractive power, and remains stationary with respect to the reduction side imaging plane during zooming. The zoom lens satisfies predetermined conditional expressions (1) and (2) about the focal lengths of the movable lens groups.

Abstract: A projection system includes a set of a first projection apparatus and a first imaging unit and a set of a second projection apparatus and a second imaging unit. A first projection range of the first projection apparatus and a second projection range of the second projection apparatus have an overlapping part. A control device of the projection system determines whether or not an operation for an operating part projected to the overlapping part is performed based on a captured image of the first projection range and a captured image of the second projection range, and executes a predetermined control in a case where it is determined that the operation is performed.

Abstract: A control device controls projection by a plurality of projection units having different projection ranges. A control unit projects, by the plurality of projection units a first image in which a content is disposed on a first projection range having the projection ranges of the plurality of projection units. An acquisition unit acquires first attribute information associated with the content and indicating whether an aspect ratio is made to be changeable or is maintained in a case in which a size of the content is adjusted. The control unit projects a second image in which at least a part of the contents is disposed on a second projection range, and, in a state in which projection is performed by a projection unit except a part of the plurality of projection units, adjusts the size of the content in generation of the second image based on the first attribute information.

Abstract: A vehicle inspection method in a production line of a vehicle includes: performing a part inspection in steps of manufacturing parts of the vehicle, the part inspection in which each of the parts after being manufactured is inspected with an inspection device and which includes one or more inspection items; storing a result of the part inspection in a storage device such that the result is associated with the part; and displaying the result of the part inspection, on a display device used in a completed vehicle inspection for inspecting a completed vehicle serving as the vehicle that is completed, information indicating at least the part of the parts corresponding to a failed item serving as the inspection item which is determined not to be passed in the result of the part inspection stored in the storage device and information indicating the failed item.

Abstract: A system control portion generates corrected image data by performing reduction processing of reducing input image data input into a display portion at a first reduction rate and image shifting processing of shifting positions of R image data and B image data of a specific color component included in reduced image data obtained by the reduction processing. The system control portion projects a corrected image based on the corrected image data to a screen by inputting the corrected image data into the display portion.