Abstract: A display device includes a transparent display screen, and a first lens group that converges light. The transparent display screen intersects a main optical axis of the first lens group, a distance between the transparent display screen and the first lens group along the main optical axis of the first lens group is less than a focal length of the first lens group, such that, both a display image on the transparent display screen and an environmental image through the transparent display screen and the first lens group or through the first lens group can be observed at an observation position that is located on the main optical axis of the first lens group. Both the observation position and the first lens group are located at a same side of the transparent display screen, and the observation position is farther from the transparent display screen than the first lens group.

Abstract: A VR head-mounted display device, a VR display method and a VR display system are provided, including: a first convex lens and a second convex lens, a first polarizer and a second polarizer respectively disposed between the two convex lenses and two eyes of a user of the VR head-mounted display device, and a display screen. The display screen simultaneously outputs a first display image having a first polarization direction and a second display image having a second polarization direction, the first polarization direction being orthogonal to the second polarization direction; the first polarizer having a first polarization direction and the second polarizer having a second polarization direction.

Abstract: A display method and a display device are provided. The display method may be applied to a display device having a lens unit and a display unit for normal display, and may include steps of: detecting a first distance between the lens unit and the display unit; calculating correction information according to the first distance and transmitting the correction information to the display unit; and displaying a corrected image by the display unit according to the correction information, so that the corrected image is converged into eyes of a user via the lens unit, wherein the corrected image is obtained by correcting an original image according to the first distance.

Abstract: Aspects of the subject disclosure may include, for example, a method including monitoring a video session to determine key performance indicators for cross-layer interactions between a network providing video session video data and user equipment receiving the video session video data, wherein the key performance indicators include a requested quality for a video chunk requested by the user equipment, a transmission control protocol congestion window size that corresponds to the video chunk requested by the user equipment, and an instantaneous radio access network throughput while downloading the video chunk requested by the user equipment, and determining a quality of service for the user equipment during the video session according to a residual length of content in a playback buffer for the user equipment based on the requested quality for the video chunk, the transmission control protocol congestion window size, and the instantaneous radio access network throughput. Other embodiments are disclosed.

Abstract: A light guiding component is provided in an eyeball tracking module, and which includes a first substrate and a second substrate disposed opposite to each other, a first electrode disposed on the first substrate, a second electrode disposed on the second substrate, and at least one liquid crystal structure disposed between the first electrode and the second electrode. The liquid crystal structure includes liquid crystal molecules. The first electrode and the second electrode are configured to control a deflection direction of the liquid crystal molecules with an applied voltage, such that a light ray incident to the light guiding component which meets a threshold condition, is emitted along a predetermined direction.

Abstract: An image display processing method for a display device, an image display processing device, a display device, and a non-volatile storage medium are provided. The display device includes a backlight unit and a display panel, the backlight unit includes a plurality of backlight blocks and is driven by a local dimming mode, and the image display processing method includes: obtaining initial backlight data of each of the plurality of backlight blocks corresponding to a display image; performing a peak driving process on the initial backlight data of each of the plurality of backlight blocks by a graphics processing unit to obtain adjusted backlight data of each of the plurality of backlight blocks; and providing the adjusted backlight data to the backlight unit by the graphics processing unit so that the display panel displays the display image.

Abstract: The present disclosure provides an optical lens, glasses and a display device. The optical lens includes: a first surface, a second surface, a first lens portion and a second lens portion. The optical lens is a convex lens. The first surface and the second surface are at two side surfaces of the optical lens. The first surface is a convex aspheric surface, and the second surface is a Fresnel surface with a recessed curved base. The first lens portion and the second lens portion are adjacent each other and connected in a direction perpendicular to a main optical axis of the optical lens. A first focal point of the first lens portion and a second focal point of the second lens portion are on the main optical axis, and a focal length of the second lens portion is greater than a focal length of the first lens portion.

Abstract: Aspects of the subject disclosure may include, for example, a system that provides for obtaining network parameter data from an eNodeB and a content delivery network server of a wireless network, determining a predicted network condition for a group of end user devices to receive an over-the-top video service in a coverage area of the eNodeB according to the network parameter data, and providing access to prediction information representative of the predicted network condition. The providing the access to the prediction information representative of the predicted network condition enables a video client of an end user device in the coverage area to provide a request for a video chunk to a video server according to buffer information and the predicted network condition Other embodiments are disclosed.

Abstract: In one example, the present disclosure describes a device, computer-readable medium, and method for estimating the streaming rate at which data is delivered over a network. For instance, in one example, a data packet is intercepted from a data streaming session conducted between a first device and a second device connected over a network. A size of a file segment contained in the data packet is calculated. The file segment corresponds to a portion of an item of multimedia content being delivered via the data streaming session. The encoding rate of the data streaming session is then calculated based at least in part on the size of the file segment.

Abstract: In one example, the encoding rate at which data is delivered over a network is estimated by intercepting a data packet from a data streaming session, wherein the data packet contains at least a portion of one of a plurality of file segments containing portions of a file, and wherein a number of the plurality of file segments that is delivered via the data streaming session is limited to a maximum number. The mean size of the plurality of file segments is estimated from data contained in the data packet. A plurality of potential sizes of the plurality of file segments is calculated, wherein each potential size corresponds to one number between one and the maximum number. An encoding rate of the data streaming session is calculated, based at least in part on which potential size of the plurality of potential sizes is closest to the mean size.

Abstract: Aspects of the subject disclosure may include, for example, a system that provides for obtaining network parameter data from an eNodeB and a content delivery network server of a wireless network, determining a predicted network condition for a group of end user devices to receive an over-the-top video service in a coverage area of the eNodeB according to the network parameter data, and providing access to prediction information representative of the predicted network condition. The providing the access to the prediction information representative of the predicted network condition enables a video client of an end user device in the coverage area to provide a request for a video chunk to a video server according to buffer information and the predicted network condition. Other embodiments are disclosed.

Abstract: A display apparatus includes a display panel configured to output light for displaying a mixed image including a first image and a second image, and a filter device disposed at a light exit side of the display panel and including a first filter lens and a second filter lens, orthographic projections of the first and second filter lenses on a light-emitting surface of the display panel do not overlap, and wavelength ranges of light that the first filter lens allows to transmit do not overlap with wavelength ranges of light that the second filter lens allows to transmit. Wavelength ranges of light for displaying the first image are within the wavelength ranges of the light that the first filter lens allows to transmit, and wavelength ranges of light for displaying the second image are within the wavelength ranges of the light that the second filter lens allows to transmit.

Abstract: Embodiments of the disclosure relate to an eye tracking device and a virtual reality imaging apparatus. The eye tracking device includes an electromagnetic radiation source configured to emit electromagnetic radiation toward an eye, a lens having a first side surface facing the eye and a second side surface opposite the first side surface, a first reflective film on the first side surface of the lens for reflecting the electromagnetic radiation, a second reflective film on the second side surface of the lens for reflecting the electromagnetic radiation, and an imaging means configured to receive the electromagnetic radiation from the eye, wherein the first reflective film and the second reflective film are positioned to direct the electromagnetic radiation from the eye to the imaging means.

Abstract: Aspects of the subject disclosure may include, for example, a method including monitoring a video session to determine key performance indicators for cross-layer interactions between a network providing video session video data and user equipment receiving the video session video data, wherein the key performance indicators include a requested quality for a video chunk requested by the user equipment, a transmission control protocol congestion window size that corresponds to the video chunk requested by the user equipment, and an instantaneous radio access network throughput while downloading the video chunk requested by the user equipment, and determining a quality of service for the user equipment during the video session according to a residual length of content in a playback buffer for the user equipment based on the requested quality for the video chunk, the transmission control protocol congestion window size, and the instantaneous radio access network throughput. Other embodiments are disclosed.

Abstract: Aspects of the subject disclosure may include, for example, selecting a set of traffic counters, wherein the traffic counters provide a profile of viewing habits of a user, and wherein the traffic counters are extracted from video streaming by the user; predicting a size of a video buffer based on the traffic counters selected; and building the video buffer based on the predicted size. Other embodiments are disclosed.

Abstract: An image processing method. The method includes determining a first mapping relationship between first coordinates in a first coordinate system of a Multi-Resolution-Shading image and second coordinates in a second coordinate system of a Multi-Resolution-Shading screen image; and applying an anti-distortion process to the Multi-Resolution-Shading image based on the first mapping relationship, thereby obtaining an anti-distortion image.

Abstract: Aspects of the subject disclosure may include, for example, a processing system that performs operations including collecting encrypted network traffic flow data from user interaction with an application, deriving a first set of traffic feature vectors from the encrypted network traffic flow data collected, training a machine learning algorithm on the first set of traffic feature vectors to classify each traffic feature vector in the first set of traffic feature vectors as associated with a type of the application or not associated with the type of the application, and classifying whether an encrypted network traffic flow as the type of the application by applying the machine learning algorithm to a traffic feature vector of the encrypted network traffic flow. Other embodiments are disclosed.

Abstract: In one example, the present disclosure describes a device, computer-readable medium, and method for estimating the streaming rate at which data is delivered over a network. For instance, in one example, a data packet is intercepted from a data streaming session conducted between a first device and a second device connected over a network. A size of a file segment contained in the data packet is calculated. The file segment corresponds to a portion of an item of multimedia content being delivered via the data streaming session. The encoding rate of the data streaming session is then calculated based at least in part on the size of the file segment.

Abstract: In one example, the encoding rate at which data is delivered over a network is estimated by intercepting a data packet from a data streaming session, wherein the data packet contains at least a portion of one of a plurality of file segments containing portions of a file, and wherein a number of the plurality of file segments that is delivered via the data streaming session is limited to a maximum number. The mean size of the plurality of file segments is estimated from data contained in the data packet. A plurality of potential sizes of the plurality of file segments is calculated, wherein each potential size corresponds to one number between one and the maximum number. An encoding rate of the data streaming session is calculated, based at least in part on which potential size of the plurality of potential sizes is closest to the mean size.

Abstract: An eye tracking device and an eye tracking method applied to video glasses, and video glasses are provided. The eye tracking device includes a light source component, a reflection component, an image sensor component and a main control component. The light source component is configured to emit invisible light to an eyeball, the reflection component is configured to reflect the invisible light reflected by the eyeball, the image sensor component is configured to generate an image of the eyeball based on the invisible light reflected by the reflection component, and the main control component is coupled to the image sensor component and is configured to acquire a gaze direction based on the image of the eyeball.