Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining at least one depth distribution sub-region of content according to a display depth of field (DoF) range of a light field display device and depth distribution information of the content, wherein each depth distribution sub-region of the at least one depth distribution sub-region is located outside the display DoF range; and tilting a first lenslet with respect to an original plane of a lenslet array of the light field display device according to at least the display DoF range of the light field display device and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in the lenslet array of the light field display device and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content.

Abstract: An embodiment includes a snap-fit temple interface of a lens. The snap-fit temple interface includes a first snap-fit feature and a second snap-fit feature. The first snap-fit feature of the lens is configured to be engaged with a first corresponding snap-fit feature of a temple assembly. The first snap-fit feature is configured to be engaged with the first corresponding snap-fit feature by a first movement of the lens in a first direction relative to the temple assembly followed by a second movement of the lens in a second direction relative to the temple assembly. The second snap-fit feature of the lens is configured to be engaged with a second corresponding snap-fit feature of the temple assembly. The second snap-fit feature is configured to be engaged with the second snap-fit feature by the second movement of the lens in the second direction relative to the temple assembly. The first direction is substantially perpendicular to the second direction.

Abstract: An imaging apparatus includes: an imaging lens module, having an adjustable imaging parameter, and used to image an observed object of an imaging receiver; an information processing module, used to detect a focus position of the imaging receiver, and determine the imaging parameter of the imaging lens module according to the focus position; and a lens adjustment module, used to adjust the imaging lens module according to the determined imaging parameter. Through the apparatus and method of the embodiments of the present invention, a focus position of an imaging receiver is automatically detected and an imaging parameter of an imaging lens module located between the imaging receiver and an object is automatically adjusted according to the focus position, thereby enabling an imaging receiver (for example, a user's eyes) to conveniently obtain clear imaging of objects at different distances.

Abstract: The present disclosure, in at least certain embodiments, is directed to shikimate (shikimic acid) analogues and compositions thereof, devices and kits which contain the shikimate analogues or compositions thereof, and methods of use of the compounds and compositions for treating and neutralizing irritant or odoriferous compounds on animate or inanimate surfaces or in atmospheres. Examples of such irritant and odoriferous compounds include urushiols from poison ivy, oak, and sumac and mercaptans of skunk spray.

Abstract: The present application provides a control method, apparatus and system. A method comprises: detecting a signal in a circuit; in response to detection of a loopback signal in the circuit, determining that a loop is formed by at least one part of a capacitive touch screen, a device and a user; and in response to formation of the loop, disabling or enabling a function corresponding to the at least one part of the capacitive touch screen. By use of the technical solution provided in the present application, formation of a loop is determined through detection of a loopback signal, thereby determining identity of the user, to disable or enable at least one function. In a scenario like driving, the user's multitasking can be effectively avoided, thereby improving security.

Abstract: Embodiments of the present application disclose a human body-based interaction method and interaction apparatus. The method includes: acquiring phase change information of a second signal; the second signal being formed by a first signal through transmission of at least one transmission medium, the at least one transmission medium including the body of a user; and according to a first corresponding relationship between at least one phase change information and at least one motion and/or posture information of the user, determining motion and/or posture information of the user corresponding to the phase change information. At least one example embodiment of the present application determines motion and/or posture information of a user merely by using phase change information of a signal transmitted through the user's body, so that determination of the motion and/or posture information of the user is more convenient and accurate.

Abstract: The present application provides methods and devices for determining input information, and generally relates to the field of wearable devices. A method disclosed herein comprises: in response to a first part of a body of a user executing an action, acquiring target blood-flow information about the first part or a second part that corresponds to the first part; and determining input information according to the target blood-flow information and reference information. According to the methods and devices, the body of the user is used as an input interface, thus cause an interaction area to be increased, which helps to improve input efficiency and user experience.

Abstract: Embodiments of the present application disclose light field collection control methods and apparatuses and light field collection devices, wherein one light field collection control method comprises: acquiring an aperture parameter of a main lens of a light field camera; determining, according to the main lens aperture parameter, in an image sensor of the light field camera, a local part of an imaging region corresponding to at least one sub-lens in a sub-lens array of the light field camera as a first imaging region; adjusting pixel density distribution of the image sensor, to cause pixel density of the first imaging region after adjustment to be distinguished from that of other parts of the imaging region; and performing light field collection on a scene via the adjusted light field camera.

Abstract: An apparatus includes: an imaging lens module, used to image at least one object, and including a plurality of subregions having adjustable imaging parameters; a position sensing module, used to obtain position information of at least one object relative to an imaging apparatus; an information processing module, used to determine an imaging parameter of a corresponding subregion of the imaging lens module according to the position information of at least one object relative to the imaging apparatus; and a lens adjustment module, used to adjust the imaging parameter of the corresponding subregion of the imaging lens module according to the determined imaging parameter. The apparatus can adjust an imaging parameter for regions corresponding to a plurality of target objects at different distances in a visual field, and enable a user to watch objects at different distances in a visual field comfortably, thereby improving user experience.

Abstract: Embodiments of the present application disclose various display control methods and apparatuses. One of the methods comprises: determining at least local virtual enhancement information of an expected display environment of virtual content according to optical parameters of the virtual content; and controlling a display device to display the virtual content and the at least local virtual enhancement information of the expected display environment. The present application is favorable for enhancing a fusion display effect and improving user experience.

Abstract: An information processing method, an information processing apparatus and a user equipment are provided. A method comprises: acquiring sight line information of at least one user in a space; and determining, at least according to the sight line information, at least one mirror object existing in the space. Accordingly, a mirror object in a space is determined according to sight line information of at least one user, providing a basis for mirror-object-based applications, for example, modeling the mirror object.

Abstract: The present application discloses various focusing methods and apparatuses, and various photographing devices. The focusing method includes: controlling deformation of an image sensor so that reference points of at least two imaging sub-areas of the image sensor after the deformation form a first relative position relationship in a staggered arrangement along a depth direction; acquiring contrast data of a sampling image of an object in the at least two imaging sub-areas; and determining and/or adjusting, according to at least the first relative position relationship and the contrast data, a focusing state of the image sensor. The present application can improve a speed and/or accuracy for determining and/or adjusting the focusing state of the image sensor.

Abstract: Embodiments of the present application disclose a light field display control method and apparatus and a light field display device. The light field display control method comprises: determining a partial depth distribution sub-region of content according to at least depth distribution information of the content; and tilting a first lenslet with respect to an original plane of a lenslet array of a light field display device according to at least a display depth of field (DoF) range of the light field display device and the depth distribution sub-region, wherein the first lenslet is a lenslet that is in the lenslet array and affects display of a first object, and the first object is a part, which is located in the depth distribution sub-region, of the content. The present application can improve display quality of an object, which is located in a partial depth distribution sub-region, of content to be displayed or content being displayed.

Abstract: Image capture control methods and apparatuses are provided. A method comprises: adjusting pixel distribution of an image sensing unit, to change a ratio of pixels distributed along two directions in an effective region of the image sensing unit, wherein light through a lens that is in an imaging system and corresponds to an image sensing unit is imaged on the image sensing unit in the effective region, the two directions are parallel with the image sensing unit and orthogonal to each other, the image sensing unit comprises pixels adjustable in distribution, and the pixels are used for recording multidirectional view information of a same object of a scene; and capturing an image of the scene by using the imaging system. Proportions of parallax information recorded by the image sensing unit in the two directions can be changed, and differential capture of view information in different directions can be implemented.

Abstract: The present application discloses a light field display control method and apparatus. The techniques of this disclosure provide a differentiated spatial resolution of different regions of a light field display image. The display pixel density distribution of the display of the light field display device is adjusted from original uniform distribution of display pixels to adjusted non-uniform distribution. The adjusted display pixels of the display includes non-uniform differentiated distribution. Sampling processing is then performed on a to-be-displayed light field image according to actual locations of the display pixels of the display, such that the light field image undergone the sampling processing corresponds to the actual locations of the display pixels of the display. The adjusted display displays the light field image that includes non-uniform differentiated distribution of pixels.

Abstract: Embodiments of the subject application disclose various imaging control methods and apparatuses for a digital zoom image and various imaging devices. One of imaging control methods for a digital zoom image comprises: acquiring a digital zoom parameter; determining an actual imaging area of an image sensor according to the acquired digital zoom parameter; adjusting a pixel density distribution of the image sensor, to cause an average pixel density of the actual imaging area after adjustment to become greater than those of other areas of the image sensor; and acquiring, by using the actual imaging area with the adjusted average pixel density, an image of a scene to be photographed.

Abstract: The present application provides a tactile feedback apparatus, comprising: a contact determining module, configured to determine, on a virtual reality (VR) interactive controller, a region where contact between a user and the VR interactive controller occurs; and a tactile feedback module, configured to generate, according to relevant information of an object simulated by the VR interactive controller, at least a first contact feedback in the region where the contact occurs. The present application also provides a VR interactive system. The technical solutions provided by embodiments of the present application are used to cause that it is unnecessary to provide a tactile feedback to a user on the entire VR interactive controller, thereby greatly reducing energy consumption needed for generating a tactile feedback.

Abstract: A display unit may include a display screen device to display contents formed by pixels based on image data, a parallax barrier including pixels forming slit parts and mask parts and arranged to display an autostereoscopic presentation in combination with the display screen device, and a sensor to sense a rotation of the display unit about an axis perpendicular to a surface of the display screen device from a reference rotational position. A pixel arrangement of the display screen device and a pixel arrangement of the parallax barrier may be rotated depending on the rotation of the display unit from the reference rotational position.

Abstract: Haptic feedback generation methods and apparatuses relating to the field of haptic feedback are provided. The method comprises: in response to determining that a first part of a user body is touching a target position of an object, sending, by a device comprising a processor, a first mechanical wave to the object via a first medium comprising the first part; and sending, to the object via a second medium, a second mechanical wave that is used to form a haptic signal at the target position with the first mechanical wave, wherein the second medium comprises a second part, touching the object, of the user body. A source for forming the haptic signal can be at the target position, to cause that an effective haptic feedback to the user can be formed with little energy consumption, and poor experience of the user caused by vibration of an entire object is avoided.

Abstract: Disclosed are an alert method and apparatus, and the present application relates to the field of intelligent alert technologies. The method comprising: detecting a focusing point position of a sightline of a user; and alerting the user according to the focusing point position and a state of the user. For the method and apparatus in the embodiments of the present application, a focusing point position of a sightline of a user can be detected precisely, and the user can be alerted accurately according to the focusing point position, so that the application range of the method and apparatus is relatively wide. In addition, according to a state of a user, user data, and the like, a monitoring parameter is selected and an alert threshold is set, so that the user can be properly alerted in a more targeted manner.