Abstract: A base and a detection device for installing a detection apparatus are provided. The base includes a base member, a first fixing member, provided on the base member for fixing the detection apparatus, and an extension member, configured to transmit an electric signal to the detection apparatus, in which the extension member extends outward to a predetermined position of the base member. The detection device includes a detection apparatus and the base.

Abstract: This disclosure discloses a method for obtaining a candidate motion vector list, an apparatus, an encoder, and a decoder. The method for obtaining a candidate motion vector list comprises: when a first candidate picture block is encoded/decoded and an inter prediction mode is used, determining whether a reference picture of the first candidate picture block is the same as a reference picture of a current block; and constructing a candidate motion vector list of the current block based on a determining result; when the reference picture of the first candidate picture block is different from the reference picture of the current block, the MV of the first candidate picture block is not used to construct the list. Implementing this disclosure can reduce complexity of a motion information derivation process, and improve coding efficiency.

Abstract: An image prediction method, apparatus, and system, a device, and a storage medium are provided. The method includes: (401) obtaining a split mode of a current node, where the current node is an image block in a coding tree unit in a current image; (402) determining, based on the split mode of the current node and a size of the current node, whether the current node satisfies a first condition; and (403) when it is determined that the current node satisfies the first condition, performing intra prediction on all coding blocks belonging to the current node, to obtain predictors of all the coding blocks belonging to the current node.

Abstract: A picture partitioning method and apparatus are described. The method includes determining a split mode of a current node, where the current node includes a luma block and a chroma block. The method further includes determining, based on the split mode of the current node and a size of the current node, that the chroma block of the current node is not further split. In accordance with the chroma block of the current node not being further split, the method includes splitting the luma block of the current node based on the split mode of the current node. In accordance with the chroma block of the current node not being further split, the method may be used to split only the luma block of the current node, thereby improving encoding and decoding efficiency, reducing a maximum throughput of a codec, and facilitating implementation of the codec.

Abstract: An image prediction method, apparatus, and system, a device, and a storage medium are provided. The method includes: (401) obtaining a split mode of a current node, where the current node is an image block in a coding tree unit in a current image; (402) determining, based on the split mode of the current node and a size of the current node, whether the current node satisfies a first condition; and (403) when it is determined that the current node satisfies the first condition, performing intra prediction on all coding blocks belonging to the current node, to obtain predictors of all the coding blocks belonging to the current node.

Abstract: A picture partitioning method and apparatus are described. The method includes determining a split mode of a current node, where the current node includes a luma block and a chroma block. The method further includes determining, based on the split mode of the current node and a size of the current node, that the chroma block of the current node is not further split. In accordance with the chroma block of the current node not being further split, the method includes splitting the luma block of the current node based on the split mode of the current node. In accordance with the chroma block of the current node not being further split, the method may be used to split only the luma block of the current node, thereby improving encoding and decoding efficiency, reducing a maximum throughput of a codec, and facilitating implementation of the codec.

Abstract: A video encoder, a video decoder, and a corresponding method are provided. The method includes: when a plurality of preset conditions are satisfied, performing bi-directional optical flow BDOF processing on a current picture block, to obtain a predicted sample value of the current picture block, where the plurality of preset conditions include at least a condition that a height H of the current picture block is greater than or equal to 8, a width W of the current picture block is greater than or equal to 8, and a product of the width W of the current picture block and the height H of the current picture block is greater than 128. Thus encoding/decoding complexity and prediction accuracy can be balanced to some extent.

Abstract: Electronic devices and accessory devices designed for communication with electronic devices are disclosed. An accessory device suitable for use with an electronic device can receive the electronic device. Subject to authentication, the electronic device can read information stored on the accessory device through respective wireless communication circuitry of the electronic device and the accessory device. For example, the accessory device can store information related to the material makeup of the accessory device, dimensional information of the accessory device, and other integrated features. This information can be read and received by the electronic device. As a result, the electronic device can adjust a control system (that regulates thermal energy generation) by increasing a set point temperature that allows one or more processors to operate in a manner consistent with additional thermal energy generation.

Abstract: This application discloses an apparatus for constructing a merge candidate motion information list, including: one or more processors; a non-transitory memory storage comprising instructions which when executed by the one or more processors, cause the apparatus to obtain first motion information and add the first motion information to a first candidate motion information set, to obtain a second candidate motion information set; obtain second motion information based on an HMVP candidate motion information list; when the second motion information is different from all motion information in the second candidate motion information set, add the second motion information to the second candidate motion information set, to obtain a merge candidate motion information list, wherein a quantity of pieces of motion information in the merge candidate motion information set is equal to a preset threshold.

Abstract: This application discloses a method for constructing an MPM list, a method for obtaining an intra prediction mode of a chroma block, and an apparatus. In a specific implementation, a MIP mode is used for a current block, and the method for constructing an MPM list includes: obtaining intra prediction mode information of a neighboring block; determining, based on the intra prediction mode information of the neighboring block, whether an intra prediction mode of the neighboring block is the MIP mode; and skipping using the intra prediction mode of the neighboring block for MPM list construction of the current block if the intra prediction mode of the neighboring block is not the MIP mode; or using the intra prediction mode of the neighboring block for MPM list construction of the current block if the intra prediction mode of the neighboring block is the MIP mode.

Abstract: The present invention discloses a flow passage switching device and a water outlet device. The water outlet device comprises a flow passage switching device, a hand-held shower and a head shower. The switching device comprises a valve member and a switching shaft. The switching shaft is disposed in the valve member and rotatable relative to the valve member. The valve member is provided with an inflow passage and at least three outflow passages. The at least three outflow passages can be coupled with the inflow passage by selective switching of the switching shaft. The head shower is provided with at least two water outlet units, and the hand-held shower and the at least two water outlet units are respectively connected to the at least three outflow passages.

Abstract: This application discloses an inter prediction method, where a to-be-processed block includes one or more subblocks, and the method includes: determining a temporal offset vector of the to-be-processed block based on a spatially neighboring block of the to-be-processed block, where the temporal offset vector is used to determine a collocated subblock of the subblock of the to-be-processed block; and determining a motion vector of the subblock of the to-be-processed block based on a motion vector of the collocated subblock, where the motion vector of the subblock of the to-be-processed block is obtained based on a first preset motion vector when the motion vector of the collocated subblock is unavailable. This application can improve prediction accuracy in coding and increase coding efficiency.

Abstract: Embodiments of this application disclose a picture prediction method and apparatus. The picture prediction method includes: determining whether a merge mode is used for a current picture block; when the merge mode is used for the current picture block, determining whether a level-1 merge mode is available for the current picture block; when the level-1 merge mode is unavailable, and a high-layer syntax element corresponding to a first merge mode indicates that the first merge mode is forbidden to be used, determining a second merge mode as a target merge mode used for the current picture block, where the first merge mode and the second merge mode are included in a level-2 merge mode; and predicting the current picture block based on the target merge mode. In the embodiments of this application, redundancy generated in a merge mode determining process can be reduced as much as possible.

Abstract: A method and an apparatus for displaying a message box, a terminal device and a non-transitory computer-readable storage medium are disclosed. The method may include: acquiring a context object corresponding to an application in response to a start of the application, and creating a message box object, where the context object carries a screen identity of a screen object; transmitting the context object into the message box object; adding the message box object to an NMS through a preset enqueue interface, and reading the screen identity in the message box object by the NMS through a set screen interface, and the screen interface is configured to be called by the NMS to acquire the screen identity from the message box object; and displaying the message box object on a screen corresponding to the screen identity through the NMS.

Abstract: Disclosed are an inter prediction method based on an affine prediction mode and a related apparatus. The method includes: obtaining a predicted pixel value of a current affine block; obtaining an LIC flag of the current affine block, where the LIC flag is used to indicate whether local illumination compensation LIC is applied to the current affine block; and when the LIC flag indicates that LIC is applied to the current affine block, updating the predicted pixel value of the current affine block based on an update coefficient for LIC, to obtain an updated predicted pixel value of the current affine block.

Abstract: The inter prediction method is provided, which includes: obtaining a predicted sample value of a current affine block; determining one or more luminance compensation blocks based on motion vectors of one or more subblocks of the current affine block; determining a linear model coefficient based on a first sample set and a second sample set, where the first sample set includes at least one reconstructed sample neighboring to an edge of the current affine block, the second sample set includes at least one reconstructed sample neighboring to an edge of the one or more luminance compensation blocks, and the sample in the first sample set is in a one-to-one correspondence with the sample in the second sample set; and updating the predicted sample value of the current affine block based on the linear model coefficient, to obtain an updated predicted sample value of the current affine block.

Abstract: This application discloses a picture display order determining method which includes: obtaining a decoding order index value of a current picture and a decoding order index value of a previous picture that is adjacent to the current picture according to a decoding order; adding 1 to a cycle identifier value when the decoding order index value of the current picture is less than the decoding order index value of the previous picture; and determining a display order index value of the current picture based on a sum of the decoding order index value of the current picture and a preset positive integer multiple of the cycle identifier value. In this application, the display order index value of the current picture progressively increases based on a display order index value of a picture that is located before the current picture according to the decoding order.

Abstract: This application discloses a processing method applied to video encoding or video decoding. The method includes: obtaining size information of a current block; determining a context model index ctxInc of a flag of the current block based on the obtained size information of the current block and a size-based constraint; and performing subsequent processing based on the context model index ctxInc of the flag of the current block. The method can be used to improve coding efficiency.

Abstract: An image prediction method, apparatus, and system, a device, and a storage medium are provided. The method includes: (401) obtaining a split mode of a current node, where the current node is an image block in a coding tree unit in a current image; (402) determining, based on the split mode of the current node and a size of the current node, whether the current node satisfies a first condition; and (403) when it is determined that the current node satisfies the first condition, performing intra prediction on all coding blocks belonging to the current node, to obtain predictors of all the coding blocks belonging to the current node.

Abstract: A prediction mode determining method and apparatus are described. A prediction mode status of a child node of a target node is determined based on an area and a split manner of the target node, where the prediction mode status includes intra prediction mode only and inter prediction mode only. Further, a prediction mode of the child node is determined based on the prediction mode status of the child node. In this way, a same prediction mode is used for all child nodes obtained by splitting the target node. This facilitates pipeline processing of hardware, increases a subsequent processing speed, and improves video coding efficiency.