Abstract: More particularly, the present invention relates to a method for improving video resolution and video quality, a video encoder, and a decoder for a display terminal. In order to solve the problem that the existing automatic calculation technology cannot perform targeted processing on the video data, the processed video cannot achieve the expected effect and affect the user experience. The present invention provides a method for improving video resolution and quality, including: calculating and determining video processing algorithm information and parameter information corresponding to video processing algorithm information; encoding video data, the video processing algorithm information, and parameters corresponding to the video processing algorithm information; transmitting the encoded video data, the video processing algorithm information, and the parameter information corresponding to the video processing algorithm to the decoder of the display terminal.

Abstract: The present invention relates to the technical area of lens, particularly discloses a lens for focusing or collimating light emitted from an extended light source, which comprises a front surface facing towards the extended light source and a back surface facing away from the extended light source, wherein at least one of the surfaces comprises a central section and a plurality of annular sections concentrically surrounding the central section; and wherein each of the annular section corresponds to a small portion of the extended light source. A method of designing the above lens is also disclosed. Additionally, the present invention provides a cost-effective lens design with high precision and more particularly, a lens design which meets the transmittance requirement for extended light source.

Abstract: A method, system and medium for improving the quality of 2D-to-3D automatic conversion in a computing device by using machine learning techniques is provided, comprising: receiving new 2D image from user input; recognizing multiple objects in the new 2D image by machine learning algorithm; obtaining the hierarchical relations among objects according to the features of the said objects; improving the quality of 3D image according to the hierarchical relations. The implementation of this invention provides a more distinct classification of objects in a 2D image, thereby improving the 2D-to-3D conversion in the computing device.

Abstract: A method and a system for generating depth information associated with an image. The system comprises a segmentation module arranged to identify a plurality of objects represented by the image, wherein each object adjacent to another object are identified by an edge arranged to substantially separate the object and the adjacent object; and a processing module arranged to generate the depth information by assigning a depth value for each of the plurality of objects, wherein the depth value is arranged to represent a distance between the object and a reference point in a three-dimensional space.

Abstract: A method, system and medium for improving the quality of 2D-to-3D automatic conversion in a computing device by using machine learning techniques is provided, comprising: receiving new 2D image from user input; recognizing multiple objects in the new 2D image by machine learning algorithm; obtaining the hierarchical relations among objects according to the features of the said objects; improving the quality of 3D image according to the hierarchical relations. The implementation of this invention provides a more distinct classification of objects in a 2D image, thereby improving the 2D-to-3D conversion in the computing device.

Abstract: Method, equipment and apparatus for acquiring a spatial audio direction vector, the method including: determining a position of a sound source in a multi-sound system; setting a parameter comprising: a human response time ?t and a tolerance percentage ?; acquiring a sound signal from the sound source; and processing the sound signal by using the parameter and acquiring a corresponding spatial audio direction vector {right arrow over (E)} within each time interval ?t. A proportional constant D is determined according to a modulus of a spatial audio direction vector {right arrow over (E)}, and provides spatial information of depth for a virtual image corresponding to a multi-tone audio signal. A vector angle ?E the spatial audio direction vector {right arrow over (E)} provides spatial information of direction for the virtual image corresponding to the multi-tone audio signal, to improve viewer's viewing experience.

Abstract: The present invention relates to the technical area of lens, particularly discloses a lens for focusing or collimating light emitted from an extended light source, which comprises a front surface facing towards the extended light source and a back surface facing away from the extended light source, wherein at least one of the surfaces comprises a central section and a plurality of annular sections concentrically surrounding the central section; and wherein each of the annular section corresponds to a small portion of the extended light source. A method of designing the above lens is also disclosed. Additionally, the present invention provides a cost-effective lens design with high precision and more particularly, a lens design which meets the transmittance requirement for extended light source.