Abstract: Provided are a tour guiding method and apparatus, an electronic device and a storage medium. The method includes receiving a video stream collected by a user in a current location area of a target scenic spot and sent by an application device; determining, based on the collected video stream and prestored three-dimensional point cloud data of the target scenic spot, an augmented-reality-based content resource package corresponding to the current location area, where the augmented-reality-based content resource package includes at least six-degrees-of-freedom attitude data of the application device; and sending the augmented-reality-based content resource package corresponding to the current location area to the application device to enable the application device to provide the augmented-reality-based content resource package corresponding to the front location area for the user.

Abstract: The present application relates to a method for indoor positioning, and an apparatus, an electronic device and a storage medium, which relates to the fields of positioning technologies and deep learning technologies. A specific implementation solution is: extracting descriptors of structure lines in a specified image collected by a terminal indoors; based on the descriptors of the structure lines in the specified image and descriptors of structure lines of images included in a pre-established indoor image database, acquiring, from the indoor image database, target structure line descriptors closest to the descriptors of the structure lines in the specified image; and acquiring pose information of the terminal based on a pre-established indoor 3D structure line map and the target structure line descriptors corresponding to the descriptors of the structure lines in the specified image.

Abstract: The disclosure provides a visual positioning method and apparatus, an electronic device and a computer-readable storage medium. The method includes: generating a semantic graph by semantically identifying collected images; determining description information of each entity through a random walk algorithm in the established semantic graph; determining candidate entities matching each entity in a preset entity map based on the description information; and positioning a collection area of the current image based on an area where the candidate entities are located in the preset entity map. The description information of each entity node constructed with the random walk algorithm not only contains semantic information of the corresponding node, but also local constraint information between semantics.

Abstract: The present invention discloses a method for increasing the sensitivity of a plant to a gibberellin inhibitor. The method for increasing the sensitivity of a plant to a gibberellin inhibitor provided by the present invention comprises the step of introducing an encoding gene of a protein into a recipient plant to obtain a transgenic plant; the transgenic plant has increased sensitivity to the gibberellin inhibitor compared to the recipient plant; the protein is a protein of the following a) or b) or c): a) a protein whose amino acid sequence is set forth in positions 1-821 of SEQ ID NO: 1; b) a protein whose amino acid sequence is set forth in SEQ ID NO: 1; c) a fusion protein obtained by attaching tag(s) to the N-terminus or/and C-terminus of a) or b).

Abstract: Provided are a tour guiding method and apparatus, an electronic device and a storage medium. The method includes receiving a video stream collected by a user in a current location area of a target scenic spot and sent by an application device; determining, based on the collected video stream and prestored three-dimensional point cloud data of the target scenic spot, an augmented-reality-based content resource package corresponding to the current location area, where the augmented-reality-based content resource package includes at least six-degrees-of-freedom attitude data of the application device; and sending the augmented-reality-based content resource package corresponding to the current location area to the application device to enable the application device to provide the augmented-reality-based content resource package corresponding to the front location area for the user.

Abstract: The present application relates to a method for indoor positioning, and an apparatus, an electronic device and a storage medium, which relates to the fields of positioning technologies and deep learning technologies. A specific implementation solution is: extracting descriptors of structure lines in a specified image collected by a terminal indoors; based on the descriptors of the structure lines in the specified image and descriptors of structure lines of images included in a pre-established indoor image database, acquiring, from the indoor image database, target structure line descriptors closest to the descriptors of the structure lines in the specified image; and acquiring pose information of the terminal based on a pre-established indoor 3D structure line map and the target structure line descriptors corresponding to the descriptors of the structure lines in the specified image.

Abstract: The disclosure provides a visual positioning method and apparatus, an electronic device and a computer-readable storage medium. The method includes: generating a semantic graph by semantically identifying collected images; determining description information of each entity through a random walk algorithm in the established semantic graph; determining candidate entities matching each entity in a preset entity map based on the description information; and positioning a collection area of the current image based on an area where the candidate entities are located in the preset entity map. The description information of each entity node constructed with the random walk algorithm not only contains semantic information of the corresponding node, but also local constraint information between semantics.

Abstract: The present invention discloses a method for increasing the sensitivity of a plant to a gibberellin inhibitor. The method for increasing the sensitivity of a plant to a gibberellin inhibitor provided by the present invention comprises the step of introducing an encoding gene of a protein into a recipient plant to obtain a transgenic plant; the transgenic plant has increased sensitivity to the gibberellin inhibitor compared to the recipient plant; the protein is a protein of the following a) or b) or c): a) a protein whose amino acid sequence is set forth in positions 1-821 of SEQ ID NO: 1: b) a protein whose amino acid sequence is set forth in SEQ ID NO: 1; c) a fusion protein obtained by attaching tag(s) to the N-terminus or/and C-terminus of a) or b).