Abstract: A resonant scanning mirror includes a sensor to provide position information. A parameter estimation circuit estimates parameters from the position information. The parameter estimation circuit includes wideband analog circuits that have poles far removed from the resonant frequency of the scanning mirror. The parameter estimation circuit also includes an analog-to-digital converter that samples at a high sample rate, and digital filters that exhibit near perfect linearity.

Abstract: Disclosed a display screen having a mirror function, a control method, a device and a terminal. The display screen includes: a screen lens (20), a liquid crystal screen (22) and a nano suspension layer (21), wherein the nano suspension layer (21) is disposed between the screen lens and the liquid crystal display. The control method includes: controlling the magnetic layer to provide a static magnetic field perpendicular to the display screen upon receipt of the trigger-off signal; and controlling the upper plate to provide a voltage, or controlling the upper plate to provide a voltage and controlling the magnetic layer to provide a static magnetic field perpendicular to the display screen upon receipt of the trigger-on signal.

Abstract: An spatial image display apparatus and method for displaying a spatial image in an aerial space, sensing an object traversing the spatial image, calculating the position of the object's effective centroid, and performing an input operation is disclosed. The spatial image display apparatus detects distances from the object's surface thrust into the aerial display to more precisely determine the position on the spatial image at which the user intends to indicate.

Abstract: A method of predicting warps for image registration includes receiving warp data for a first band pair in an N-band system. The method includes fitting a warp model to the warp data to produce an offset profile for the first band pair, predicting a respective offset profile for at least one other band pair in the N-band system, and using the predicted respective offset profile to generate a warp for the at least one other band pair. The method also includes registering images of the at least one other band pair using the warp for the at least one other band pair. In another aspect, a method of predicting warps for image registration includes receiving warp data for m band pairs in an N-band system, wherein m?(N?1) and m>2, to register images.

Abstract: A projection system includes an invisible light projector, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The invisible light projector emits pulsed invisible light to project the measurement pattern. The image generator generates the image data based on an image captured in accordance with a timing for the pulsed light emission.

Abstract: A projection system includes an invisible light projector, a background member, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The background member is disposed behind the object in a direction of the invisible light emitted from the invisible light projector. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The background member has a light shielding surface that does not diffusely reflect the invisible light incident thereon.

Abstract: An illumination device includes a light source unit and a filter wheel. The filter surface of the filter wheel includes a first surface segment and a second surface segment arranged behind the first surface segment in the direction of rotation. When the filter surface is rotated, the first and second surface segments successively extend into the illumination beam path. The first surface segment transmits only a first part of the spectrum of the emitted light and the second surface segment transmits only a different second part of the emitted light. The control unit controls the light source unit and drives the filter wheel so the light with the different spectra is emitted sequentially in time for a predetermined partial illumination duration. During the partial illumination duration of the emitted light with the first spectrum, the first or second surface segment extends into the illumination beam path.

Abstract: An image processing device includes: an acquisition unit which successively acquires a gradation value of a target pixel specified in a predetermined order, from image data of an input image; a first computing unit which computes coordinates of the target pixel in an output image; a second computing unit which computes a gradation value at the coordinates, based on the gradation value of the target pixel; an internal storage unit which stores, block by block, each block being formed by dividing a plurality of pixels included in the output image, gradation values of the plurality of pixels; a first writing unit which writes the gradation value computed by the second computing unit into a storage area corresponding to the coordinates; and a second writing unit which writes data of a block where the writing of the gradation value is complete, into an external memory.

Abstract: A projection device and a projection system including the projection device are disclosed. The projection system includes an electronic device and the projection device. The electronic device provides a wireless signal. The projection device includes a wireless connection unit, a light sensor, a projection unit, an image control unit and a lamp base power interface. The wireless connection unit receives the wireless signal so as to provide an image control signal. The light sensor senses ambient light so as to provide a sensing control signal. The projection unit receives an image signal so as to project an image. The image control unit receives the image control signal and the sensing control signal so as to provide the image signal. The lamp base power interface electrically connects an external lamp stand power source to the projection device.

Abstract: An optical projection system includes a light source module, an optical engine, a thermoelectric generator, a storage unit, a plurality of electronic devices, and a selection unit. The light source module is capable of emitting at least one light beam, and the optical engine receives the light beam and modulates the light beam according to at least one image signal to form an image beam. The thermoelectric generator absorbs heat in the optical projection system and converts the heat into electrical energy, and the storage unit stores the electrical energy. The electronic devices receive the electrical energy stored in the storage unit and have at least two different threshold voltages. The selection unit selectively turns on at least one of electronic devices according to a state of charge of the storage unit.

Abstract: Examples disclosed herein relate to a mat characteristic to process images. Examples include to acquire an image of a mat from a camera in a computing device; to process the image according to the mat characteristic in the computing device; and to display the processed image.

Abstract: A MEMS device includes a fixed structure and suspended structure including an internal structure and a first arm and a second arm. Each arm has a first end fixed to the fixed structure and a second end fixed to the internal structure. The ends are angularly arranged at a distance apart. Piezoelectric actuators mounted to the arms are driven so as to cause deformation of the arm and produce a rotation of the internal structure. In a resting condition, each of the first and second arms has a respective elongated portion with a respective concavity. The internal structure extends in part within the concavities of the elongated portions of the first and second arms.

Abstract: A system and method for digital black level blending is provided.

Abstract: An electronic device including an optical module, a method of operating the electronic device including the optical module, and a non-transitory computer-readable recording medium having recorded thereon a program for performing the method. The electronic device includes an optical module configured to project content on a projection surface and a processor configured to determine whether the electronic device is positioned within a predetermined range of a projection surface and control the optical module to project the content onto the projection surface based on the determination.

Abstract: An illumination device emits illumination light and has a light source arranged inside a housing generating illumination light; a diffusing panel attached to the housing; and a projector inside a space formed by the housing and a part of the diffusing panel and projecting an image onto a projection surface. An optical unit is arranged so that an incident direction of a light flux incident from a display element provided in the projector onto a projection optical system of the projector is substantially parallel to a horizontal plane or in a direction closer to a direction parallel to the horizontal plane than a vertical direction, or in so that an optical axis of the projection optical system on which the light flux from the display element is substantially parallel to the horizontal plane or in a direction closer to a direction parallel to the horizontal plane than the vertical direction.

Abstract: An imaging adjustment apparatus includes: an imaging analysis module, used to determine whether a current image of an object is deformed relative to an original image of the object, and when the current image is deformed, generate imaging correction information corresponding to the deformation; an imaging lens group, used to image the object, and including a plurality of subregions having adjustable imaging parameters; and a lens adjustment module, used to adjust an imaging parameter of a corresponding subregion of the imaging lens group according to the imaging correction information. An object can be imaged by using an imaging lens in which each subregion has adjustable imaging parameters, so as to adjust the imaging parameters for each subregion separately, thereby adjusting and correcting a perspective deformation that occurs on the object, preventing a perspective deformation from occurring on an image of the object acquired by a user, and improving user experience.

Abstract: A projector system including a projector unit and a control device. The projector unit includes: a projector; a change mechanism that changes a projection direction; a plurality of optical systems having different optical properties; and a switch mechanism that selects one of the optical systems. The control device includes: a change unit that controls the change mechanism; and a switch unit that causes the switch mechanism to place one of the optical systems to be used for the projector in conjunction with the changing of the projection direction of the projector which is caused by the change unit.

Abstract: A projection apparatus includes an image control device, a display device, and an image shift device. The image control device is configured to generate a plurality of left-eye sub-image data according to a left-eye image data and generate a plurality of right-eye sub-image data according to a right-eye image data. The display device is configured to sequentially display a plurality of left-eye images and right-eye images according to the left-eye sub-image data and the right-eye sub-image data. The image shift device is configured to shift the left-eye sub-images from each other and shift the right-eye sub-images from each other.

Abstract: A projection system includes an invisible light projector, a background member, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The background member is disposed behind the object in a direction of the invisible light emitted from the invisible light projector. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The background member has a light shielding surface that does not diffusely reflect the invisible light incident thereon.

Abstract: A guidance assistance system includes an arrangement evaluation unit which derives a priority of arrangement of detection means for detecting a status of congestion on a travel route or a priority of arrangement of a guide sign for guiding the crowd based on information related to a status of the travel route and an order determination unit which determines an order of arrangement of the detection means or an order of arrangement of the guide sign based on information related to the priority.

Abstract: A projector includes: an I/F unit to which an image signal is input; a display unit that displays an image based on the image signal input to the I/F unit; a shift device that changes a position of an image to be displayed by the display unit; a signal processing unit that outputs a driving signal to the shift device and drives the shift device; and a shift control unit that controls the driving signal output by the signal processing unit. The shift control unit changes an output timing of the driving signal to correspond to a change in a frequency of the image signal.

Abstract: An imaging device includes at least one eyeglass lens to be worn in front of the eye and a display device arranged in the edge region of the eyeglass lens, said display device including an image generator and an imaging optics arranged between the image generator and the eyeglass lens. The image generator is the start point of an imaging beam path which generates the virtual image having an image distance on the basis of the output image and which penetrates into the eyeglass lens by means of the imaging optics via the edge region of the eyeglass lens. An outcoupling device for outcoupling the imaging beam path in the direction of the eye is provided in the eyeglass lens. The display device comprises a device for adjusting the image distance of the virtual image. The invention also relates to data eyeglasses comprising an imaging device.

Abstract: A projection system includes an invisible light projector, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The invisible light projector emits pulsed invisible light to project the measurement pattern. The image generator generates the image data based on an image captured in accordance with a timing for the pulsed light emission.

Abstract: A projection device to magnify and project, on a screen, an image displayed at an image display element, includes: a dioptric system including at least one positive lens and at least one negative lens; and a reflection optical system having at least one reflection optical element.

Abstract: An original image layer is mixed with one or more graphics layers to form a composite video signal, such as in a vision mixer. Also, the same graphics layers are mixed identically into another, known background image layer to give a second composite video signal. The currently applied added graphics layers are determined, without directly accessing the added graphics layers themselves, using only the first and second composite video signals, the original image layer, and the known background image, such as in a graphics layer detection device. A triangulation matting algorithm may be used in one example.

Abstract: Damage due to heat in a case where a projection lens having lower heat resistance performance is used is avoided. A control section controls a light source drive section in such a way that the output from a light source is allowed to be increased up to a first value in a case where a projection lens is a first projection lens and controls the light source drive section in such a way that the output from the light source is allowed to be increased up to a second value different from the first value in a case where the projection lens is a second projection lens having heat resistance performance different from that of the first projection lens.

Abstract: Systems and methods herein are directed to avatar control systems. In one embodiment, interactive holographic avatar control is described. In another embodiment, remote kinetic avatar control is described. In still another embodiment, depth-based user tracking for avatar control is described. In still another embodiment, enhanced avatar kinetic movement interpolation is described. In still another embodiment, dynamic joint mapping for avatar control is described. In still another embodiment, dynamic animation population for avatar control is described.

Abstract: An illumination device includes a light source configured to emit laser light; and a wavelength conversion part configured to convert a wavelength of the laser light emitted from the light source and to irradiate illumination light. The wavelength conversion part includes a conversion region provided with a phosphor which converts the wavelength of the laser light and emits the wavelength-converted laser light, and a non-conversion region not provided with the phosphor and configured to transmit the laser light irradiated from the light source. The non-conversion region is formed in a pinhole shape with respect to the conversion region.

Abstract: A method of operation of a video coding system includes: receiving a video bitstream; extracting a video syntax from the video bitstream; extracting a temporal layer from the video bitstream based on the video syntax; and forming a video stream based on the temporal layer for displaying on a device.

Abstract: A projection system includes an invisible light projector, a background member, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The background member is disposed behind the object in a direction of the invisible light emitted from the invisible light projector. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The background member has a light shielding surface that does not diffusely reflect the invisible light incident thereon.

Abstract: An illumination system of a microlithographic projection exposure apparatus includes a light source operated in a pulsed fashion and an array of optical elements which are digitally switchable between two switching positions. The array may be produced using MEMS technology.

Abstract: A light-emitting device (1) and a related light source system. The light-emitting device (1) comprises a laser light source (11, 21, 31) and a light collecting system (12, 22). The laser light source (11, 21, 31) comprises a first laser array (111, 211, 311) and a second laser array (112, 212, 312) for respectively generating a first light and a second light with different wavelength ranges. The light collecting system (12, 22) is used for collecting the light emitted from the laser light source arrays. The ratio of the divergence angle of the collected second light to that of the first light is less than or equal to a predetermined value. The predetermined value is 0.7. The light-emitting device (1) is capable of generating two kinds of light beams with different etendues.

Abstract: An information processing apparatus includes an obtaining unit, a setting unit, and a correction unit. The obtaining unit obtains a first image including a first overlap area having a first end side portion and a second image including a second overlap area having a second end side portion. The setting unit sets a first reference line that forms a first division area in the first overlap area and a second reference line that forms a second division area in the second overlap area. The correction unit executes corrections for the first overlap area, the first division area, and the second division area with the first reference line, the first end side portion, and the second end side portion respectively, the corrections being based on shapes of the first and second overlap areas and based on projection of the first image and the second image.

Abstract: A projection system includes an invisible light projector, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The invisible light projector emits pulsed invisible light to project the measurement pattern. The image generator generates the image data based on an image captured in accordance with a timing for the pulsed light emission.

Abstract: A projection method includes sending an identification signal, receiving an identification response signal corresponding to the identification signal, acquiring a display information from a database according to the identification response signal, acquiring a plurality of angles of a plurality of projection devices relative to an orientation of the first device and a plurality of distances between the projection devices and the first device according to the orientation of the first device and the location of the first device, and controlling a first projection device of the projection devices to project the display information according to the angles of the projection devices relative to an orientation of the first device and the distances between the projection devices and the first device.

Abstract: A projection device according to the present disclosure includes a sensor unit (for example, a camera), a detection unit, a controller and a projection unit. The sensor unit detects an object. The detection unit detects a moving object (for example, a person), a first object, and a second object based on a signal output from the sensor unit. The controller generates a projection image such that a first image corresponding to the first object is projected on a first projection region and a second image corresponding to the second object is projected on a second projection region. In this case, the first image is determined based on a position of the moving object, and the second image is determined without depending on a position of the moving object. The projection unit projects the projection image.

Abstract: A smart laser phone includes a main body with a mobile communication module, a band connected to the main body, an optical member, on a side surface of the main body to which the band is not connected, for projecting a laser image, a speaker on the same side surface as the optical member but separated by a set distance therefrom, a sensor unit on the surface between the optical member and the speaker, and a microphone on the outer side of the optical member. When the smart laser phone is worn on the wrist, the microphone and the optical member, the sensor unit and the speaker are sequentially equipped on the side surface of the smart laser phone main body oriented toward the palm, and thus, as the phone is used with an enlarged image, using the phone is convenient, and communication can be carried out with clear sound.

Abstract: A projection system includes an invisible light projector, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The invisible light projector emits pulsed invisible light to project the measurement pattern. The image generator generates the image data based on an image captured in accordance with a timing for the pulsed light emission.

Abstract: A diffractive optical element includes: a first facet configured to perform an expansion optical function; and a second facet configured to perform a collimation optical function and a pattern generation function.

Abstract: A projection system includes an invisible light projector, a background member, an imaging unit, an image generator, and a visible light projector. The invisible light projector projects a predetermined invisible light image onto the object via invisible light. The background member is disposed behind the object in a direction of the invisible light emitted from the invisible light projector. The imaging unit captures an image of the invisible light projected from the invisible light projector. The image generator measures a shape of the object based on the image captured by the imaging unit to generate image data showing image content for projection onto the object in accordance with the measured shape. The visible light projector projects the image content shown by the image data onto the object via visible light. The background member has a light shielding surface that does not diffusely reflect the invisible light incident thereon.

Abstract: An illumination optical unit for projection lithography illuminates an illumination field with illumination light of a primary light source. The illumination optical unit has a raster arrangement to predefine a shape of the illumination field, a transfer optical unit for the superimposing transfer of the illumination light toward the illumination field, and an illumination angle variation device which deflects the illumination light with different deflection angles. The illumination angle variation device has at least one displaceable illumination angle variation unit to generate a deflection angle for the illumination light.

Abstract: Embodiments of this disclosure disclose a method for processing a projection image, including: obtaining an image to be projected, with a first resolution; adjusting the resolution of the image to be projected, according to a second resolution supported by a projection display device, to obtain a first image with a third resolution, number of pixels in the row direction of an image with the third resolution is N times number of pixels in the row direction of an image with the second resolution, and number of pixels in the column direction of the image with the third resolution is M times number of pixels in the column direction of the image with the second resolution; dividing the first image into pixel blocks, integrating pixels in the pixel blocks, to obtain a second image and a third image; and projecting the second image and the third image alternately.

Abstract: A light guide prism for guiding image light from a display device to an observer's eye and displaying a virtual image of the display device in the observer's field of view includes at least four sides disposed to surround an optical path of image light incident from one end, a reflecting surface configured to reflect the image light guided by the at least four sides, and an emission surface configured to emit the image light reflected at the reflecting surface towards the observer's eye. At least one groove in a V-shape is formed on each of the at least four sides. As a result, a light guide prism that reduces stray light and ghost light occurring due to reflection at inner surfaces and an image display apparatus using this light guide prism can be provided.

Abstract: An optical module includes a polarized-light separation device configured to separate first and second polarized components of incident light, a light valve configured to receive at least the first polarized component, and output at least a portion of the received light to the polarized-light separation device. The optical module further includes an imaging device disposed at a position that is at least substantially optically conjugated with the light valve, and an optical member positioned and configured to remove at least a portion of the second polarized component of the incident light before reaching the image pickup device.

Abstract: A projection device to magnify and project, on a screen, an image displayed at an image display element, includes: a dioptric system including at least one positive lens and at least one negative lens; and a reflection optical system having at least one reflection optical element.

Abstract: A projector includes an optical unit having a light modulator and a projection lens, a control section, an exterior enclosure that accommodates the optical unit and the control section, a partitioning section that partitions the interior of the exterior enclosure into a first region where the optical unit is disposed and a second region where the control section is disposed, an intake fan and another intake fan that takes air outside the exterior enclosure into the interior thereof and causes the taken-in air to flow through the first region and the second region, respectively, an aggregation substrate disposed in the first region and having a wiring line that originates from at least a light modulator that are controlled by the control section and is electrically connected to the control section, and a wiring section that electrically connects the control section and the aggregation substrate to each other.

Abstract: A display device and wearable glasses that includes a fixing unit for maintaining the relative position between the display device and a user wearing same; an image source for generating corresponding image light according to image data; a first optical component for receiving the image light and transmitting the polarized light having a first polarization direction in the image light; and a second optical component for receiving and changing the polarized light having the first polarization direction into the polarized light having a second polarization direction perpendicular to the first polarization direction, and transmitting the polarized light having the second polarization direction to the first optical component, such that the polarized light having the second polarization direction is reflected to the eyes of the user by the first optical component.

Abstract: An information processing device includes: a communication unit which communicates with a plurality of terminals, each outputting a video signal; a first acquisition unit which acquires a first preview image from at least a part of the plurality of terminals; a second acquisition unit which acquires a second preview image having a larger display area size than the first preview image, from a designated terminal of the plurality of terminals; and a display control unit which causes a display unit to display the first preview image and the second preview image on a single screen. A frequency at which the second acquisition unit acquires the second preview image is higher than a frequency at which the first acquisition unit acquires the first preview image.

Abstract: A tracking system and method using the same is disclosed which is capable of minimizing a restriction of surgical space by achieving a lightweight of the system as well as a reduction of a manufacturing cost through calculating a three-dimensional coordinates of each of makers using one image forming unit. In the tracking system and method using the same, lights emitted from the markers are transferred to one image forming unit through two optical paths, an image sensor of the image forming unit forms two images (direct image and reflection image) of the two optical paths of the markers, and therefore, the system and method using the same has an effect of reducing a manufacturing cost of the tracking system with small and lightweight, and relatively low restriction of surgical space comparing with conventional tracking system since it is possible to calculate a spatial position and direction of the markers attached on a target by using one image forming unit.

Abstract: A device and method for evaluating or improving perceptual-cognitive abilities of a subject, comprising displaying virtual objects moving in a given three-dimensional environment during successive tests. The subject is in visual contact with the virtual objects moving in the three-dimensional environment, and the speed of movement of the virtual objects in the three-dimensional environment during the successive tests is changed.