380 results about "Video editing" patented technology

The present invention provides a multi-modal portrait video editing method, which can be applied to the technical field of video editing. The method comprises: given a portrait video, preprocessing same to obtain camera parameters, a human identity coefficient, a human expression coefficient, a human pose coefficient, a human semantic segmentation map, and a two-dimensional portrait mask; on the basis of a neural Gaussian texture mechanism, embedding a learnable three-dimensional Gaussian feature into a parameterized human geometric surface, using a neural renderer to convert a three-dimensional Gaussian splatting feature map into an image, and optimizing the reconstruction of a three-dimensional portrait on the basis of RGB and segmentation map information of the video; and using an iterative dataset update technique to distill knowledge of a multi-modal two-dimensional image generation model into three-dimensional portrait editing, and using expression similarity guidance and a face-aware portrait editing model to improve editing quality. The method elevates a two-dimensional editing task to three-dimensional space, and ensures good three-dimensional consistency and temporal consistency. By means of the knowledge of the multi-modal generation model, high-quality portrait video editing functions can be achieved.

The invention provides a diffusion model video local editing method and system based on mask guidance. The method comprises the following steps: encoding a video sequence of a target video to obtain a first video frame submerged space feature; performing coarse-grained mask labeling on a target editing area in the target video to obtain mask information; determining a space attention weight according to the first video frame potential space feature; determining a second video frame potential space feature according to the first video frame potential space feature, the mask information and the space attention weight; determining a time attention weight according to the second video frame potential space feature; determining a third video frame potential space feature according to the mask information, the second video frame potential space feature and the time attention weight; and decoding the hidden space feature of the third video frame to generate an edited video. According to the method, frame-by-frame accurate masking is not needed, the time-space consistency of local editing of the video can be effectively enhanced, an unedited area is kept unchanged, and a high-quality and stable video editing effect is achieved.

The embodiment of the invention provides a video processor, a video processing method, video processing equipment, a storage medium and a program product. In the scheme, after the display layer receives the special effect style configuration, the algorithm engine layer calls the matched physical mathematical model according to the target special effect style and the basic video, outputs the high-fidelity special effect description file, and improves the special effect parameter accuracy; the rendering adaptation layer dynamically selects an optimal rendering engine according to the resources of all the rendering engines, and the time consumption of single-example rendering is shortened; two-layer hierarchical decoupling is adopted, so that description file generation and rendering execution are parallel, batch description files can be shared by multiple preview positions after being prepared at one time, rendering resources are only input when real preview requirements are met, and idling is avoided; the display layer, the algorithm engine layer, the rendering adaptation layer and the rendering layer are sequentially relayed to form a compact link of quasi-generation-fast rendering-playback, so that waiting and repeated export links of a user in a subsequent video editing stage are remarkably reduced, and the video editing efficiency is integrally improved.

The invention provides a three-dimensional scene video editing method based on point cloud guidance, and the method comprises the steps: obtaining an original video of a three-dimensional scene, and estimating the three-dimensional point cloud of the scene in a specified frame of the video and camera parameters of each video frame; determining an editing reference image of the specified frame according to the image of the specified frame, the pixel-level mask and the editing area description text; estimating the edited depth of the specified frame according to the edited reference image to obtain an edited three-dimensional point cloud corresponding to the specified frame; according to the mask of the specified frame and the pre-edit depth map and the post-edit depth map corresponding to the image of the specified frame, constructing a three-dimensional grid model used for surrounding an edit area, and transmitting the mask of the specified frame to the view angle of other frames by using the three-dimensional grid model to obtain masks of other frames; and obtaining a point cloud rendering image of each frame rendered according to the edited three-dimensional point cloud and the camera parameters of each frame, generating an image editing result of each frame according to the point cloud rendering image of each frame, the image, the mask and the editing reference image, and splicing the image editing result into an edited video.

The invention provides a video processing method and device, electronic equipment and a storage medium, and belongs to the technical field of multimedia. The method comprises the steps that in a video editing interface, a first video and a video script obtained by recognizing the first video through the artificial intelligence technology are displayed, and the video script is used for describing behaviors executed by a main object in the first video in the first video; displaying the modified video script in response to a modification operation on the behavior of the main body object in the video script; and in response to the video processing operation, based on the modified video script, displaying that at least two items in the audio, the image and the subtitle in the first video are modified by adopting an artificial intelligence technology to obtain a second video, and the behavior of the main object in the second video is matched with the modified video script. The method not only conforms to the video processing intention of the user object and ensures the accuracy of video processing, but also does not need to re-record the video by the user object, is simple to operate and can improve the video processing efficiency.

Embodiments of the present disclosure relate to a video editing method, device, equipment and medium, wherein the method comprises: based on a target video draft, displaying a template publishing interface; the template publishing interface comprises an editing track area, the editing track area comprises a plurality of editing tracks, and a material track segment formed based on at least part of materials of the target video draft is presented on the plurality of editing tracks; the target video draft comprises materials and editing information, the editing information is used to indicate an editing operation for the materials; in response to a setting operation for a first target track segment in the material track segment, determining replaceable materials in the target video draft; based on the target video draft and the replaceable materials, generating a target video template; the target video template is used to realize a video editing effect of replacing the replaceable materials with the materials based on the target video draft. Embodiments of the present disclosure provide a convenient and efficient template generation method for users, and can better improve the template generation efficiency.

The invention relates to a highlight short video editing method and device, a storage medium and electronic equipment. The method comprises the following steps: segmenting a target video into a plurality of segments taking a shot as a unit, and carrying out multi-modal sentiment analysis on each segment to obtain a multi-modal sentiment vector of each segment; according to the multi-modal emotion vector of each fragment, calculating to obtain an emotion intensity value of each fragment, and according to a time sequence, drawing an emotion arc of the target video by the emotion intensity values of all the fragments; determining an emotion peak value and an emotion turning point from the emotion arc line, and determining a highlight segment corresponding to the emotion peak value and the emotion turning point from all segments; and splicing all the highlight segments according to the time sequence to obtain a highlight short video of the target video. The technical problems that in the prior art, emotion capture is not accurate, a narrative context is missing, and high-quality emotion short video content is difficult to generate rapidly are solved.

Embodiments of the present disclosure provide a video generation method, a motion video generation method for a virtual object, a video editing method, a video generation model training method, and a video generation model-based information processing method. The video generation method comprises: acquiring video generation data, the video generation data comprising a virtual camera parameter, a reference action sequence of a target object, and an object image of the target object (202); inputting the video generation data into a video generation model to obtain a target video of the target object, the video generation model being obtained by performing parameter adjustment on a parameter encoding unit, a parameter cross-attention unit, and a temporal attention unit in a pre-trained generation model on the basis of a sample video, and a sample object image, sample action sequence and sample camera parameter corresponding to the sample video, and the pre-trained generation model being obtained by performing parameter adjustment on an object encoding unit, an action encoding unit, and a generation unit in an initial generation model, on the basis of the sample video (204). The virtual camera parameter is inputted into a model comprising the temporal attention unit and the parameter cross-attention unit, so that a video that is temporally stable and conforms to a camera motion trajectory is generated.

The invention provides a long video editing method and system based on bidirectional attention and multi-modal guidance, and the method comprises the steps: collecting a video sample, and generating an image pair training set and a video frame training set based on the video sample; constructing an image pair editing module and a video frame editing module; respectively training an image pair editing module and a video frame editing module by using the image pair training set and the video frame training set; preprocessing the original video to obtain an anchor frame set, and defining a prompt text; performing anchor frame editing on the anchor frame set based on the prompt text by using the trained image pair editing module to obtain an anchor frame editing result of the anchor frame set; and performing frame insertion editing on the anchor frame editing result by using a trained video frame editing module to obtain a video editing result after frame insertion editing. According to the method and the device, the problem that global consistency and local continuity in long video editing are difficult to consider at the same time is solved through the two-stage flow of anchor frame editing and insertion frame editing, and high-quality, consistent and coherent video editing is realized.

The invention relates to the technical field of video editing platforms, in particular to an intelligent semantic understanding and efficient editing algorithm of an intelligent video editing platform, which comprises the following steps: S1, synchronously processing image frames, audio and subtitle texts, extracting time slice semantic content, and combining semantic density, emotion tension and keyword frequency to generate a semantic pulse atlas; s2, based on the semantic pulse atlas, adopting a multi-scale fitting mechanism to identify mutation points, continuous growth segments and peak points, and positioning and sequencing semantic outbreak areas; and S3, in combination with the position and type of the semantic outbreak point and user preference, generating an editing high-energy fragment set, and outputting fragment starting and ending time, type identification and transition suggestions. According to the method, accurate extraction of key video clips and automatic editing instruction generation are realized through an intelligent screening mechanism of multi-modal semantic fusion, abnormal pulse recognition and preference driving, and the editing efficiency and the personalized expression ability are improved.

The invention relates to a panoramic video editing method and device and computer equipment. The method comprises the following steps: determining a panoramic video to be edited, and importing the panoramic video to be edited into an editing interface; selecting and generating a start frame on a time axis of the to-be-edited interface; in response to the detected sliding operation for the display view angle of the panoramic video after the starting frame, generating and displaying a sliding track in the panoramic video after the starting frame according to the sliding operation; an end frame is selected and generated on the time axis of the to-be-edited interface, a target video is generated based on the starting frame and the end frame according to the sliding track, and the change of the display visual angle between the first frame and the last frame in the target video corresponds to the sliding track. By adopting the method, the transition effect can be flexibly adjusted, so that the transition mode between the key frames is more flexible and changeable.

A video processing method, apparatus, and device, and a storage medium are provided. The method includes: firstly, determining a target video template, the target video template including a correspondence between a video editing track and a field having a tag; then, obtaining a material to be filled, the material to be filled including data to be filled having a tag; and further, performing matching between the tag of the data to be filled and the tag of the field in the target video template, and filling the data to be filled corresponding to a successfully matched tag into the field having the tag in the target video template to obtain a first video.

This disclosure provides a special effects processing method, apparatus, electronic device, storage medium, and program product. The method includes: receiving a special effects addition operation for a target special effects file through a first interface, displaying a video editing item corresponding to the target special effects file, generating a first special effects video corresponding to the target special effects file, and displaying video preview information of the first special effects video; wherein the target special effects file includes a first video file; receiving a video editing operation for the first special effects video through the video editing item, determining a second video file based on the video editing operation, generating a second special effects video corresponding to the target special effects file based on the second video file, and displaying video preview information of the second special effects video. The technical solution of this disclosure enables the customization and editing of video files within special effects files through simple interface interaction to generate new special effects videos.

Systems and methods are described for creating dynamic displays of live events in real-time. A real-time display of a live performance will typically have a static presentation because there is no time for video editing to take place before the event is displayed to an end user. This static display may be considered less entertaining to viewers and cause them to view an event as uninteresting. The present disclosure enables a system to analyze the live event in real-time detect objects and people within the frame, associate sounds from the recording with the detected people and objects and generate video commands on the fly to implement on the video as it is displayed to an end user. This will enhance the presentation and make it more dynamic. There is a manual override for the generated commands if a user prefers to watch the more static display.

This disclosure provides a method, apparatus, device, and storage medium for generating multimedia surgical records. The method includes: responding to a surgical procedure configuration command, matching a multimedia surgical record template; entering first surgical record information based on the multimedia surgical record template; responding to an image entry operation command, determining an image to be matched and generating image-related information based on the image to be matched to obtain second surgical record information; responding to a video entry operation command, generating video-related information to obtain third surgical record information; supplementing the third surgical record information based on the multimedia surgical record template to obtain fourth surgical record information, and uploading it to an electronic medical record. This achieves automatic template matching and text structuring, reduces multimedia insertion steps through intelligent parsing, supports rapid video editing within the system without the need for third-party tools, adds identifiers to all referenced resources for easy tracking and tracing, and improves record integrity and operational efficiency.

We provide the system. [Solution] A means for uploading media data captured by the user using a device to a server, A means for analyzing media data received by a server using image recognition to identify people and composition, A method for selecting the optimal media data to use for video based on the analysis results, A method for automatically performing video editing on the server based on video generation parameters entered by the user, A system that includes means for saving edited videos to a server and providing users with access links to the videos.

The invention relates to a video editing system comprising: an import manager for importing media files into the video editing system; a user interface; and a synchronization engine for detecting imported media files having one or more common attributes, and for causing a tag for each detected media file to be displayed in the user interface.

The embodiments of the present application provide a video editing method and a terminal device, relating to the technical field of video editing. The method comprises: in response to an editing operation on an initial video preview image in a video editing interface, determining an object to be processed indicated by the editing operation; acquiring an image region corresponding to an object to be processed in each video frame of video to be edited; editing the object to be processed in each video frame of the video to be edited into a target object corresponding to each video frame of the video to be edited, so as to acquire target video corresponding to the video to be edited; and replacing, on a video track, a media clip of the video to be edited with a media clip of the target video, and displaying a preview image of a target video frame on the video editing interface, the target video frame being configured for displaying an editing effect of a specified video frame of the target video.

The invention provides a video processing method and device, computer equipment, a storage medium and a program product. The method comprises the steps of determining demand information in response to an operation on an auxiliary generation control; identifying the demand information to determine a video type, and generating a video planning text based on the video type; determining a target task based on the video planning text, and generating a target video according to the target task; and displaying the target video in a track editing area of a video editing page. According to the video processing method and device, the computer equipment, the storage medium and the program product provided by the invention, the video processing efficiency can be improved.

A video editing support device includes: a captured video acquirer that acquires a captured video capturing a state of a sport being played, in which the captured video includes an object as a subject; a stock video storage unit that stores a stock video based on the captured video; a condition storage unit that stores multiple attention mark assignment conditions for the object; an attention scene detector that detects an attention scene that satisfies an attention mark assignment condition in the stock video; an attention mark assignment unit that relates, to a detected attention scene, an attention mark corresponding to the type of an attention mark assignment condition associated with the detection; and a stock video display controller that displays the stock video on a certain display device and that displays, on the stock video, an attention mark related to an attention scene in the stock video, together with playback time information.

Embodiments of the present disclosure relate to video editing methods, apparatus, devices, and media, the method comprising: presenting editing objects and editing tools to a video editing interface; performing editing on a first editing object by executing a pre-configured script corresponding to the first editing tool in response to the first editing tool being triggered for a first editing object among the editing objects, thereby obtaining a second editing object; performing editing on a third editing object by presenting a script editing interface for a third editing object, obtaining a target script entered into the script editing interface, and executing the target script in response to the second editing tool being triggered for a third editing object among the editing objects, thereby obtaining a fourth editing object; and generating a target video based on the second and / or fourth editing objects.

The invention relates to a video editing method and device, electronic equipment and a storage medium. The video editing method comprises the following steps: selecting a video to be edited; processing the to-be-edited video based on a video editing processing model to obtain a plurality of video frames and video frame information corresponding to the to-be-edited video, the video frame information comprising image features and annotation texts of each of the plurality of video frames, and the annotation texts being used for annotating the image features of the video frames; and clustering the plurality of video frames based on the image feature and the annotated text of each video frame to obtain a target video. According to the video editing method and device, the selected video is automatically edited, the video editing efficiency is improved, and the user experience is improved.

A system is provided.SOLUTION: A system comprising: means for collecting metadata of a popular video from a video platform; means for analyzing the collected metadata to extract edit elements of the video; means for encoding the extracted edit elements and providing them to an artificial intelligence for generation in the form of instructions; means for receiving configuration and editing instructions for the video from a user; and the artificial intelligence for generation means for automatically generating the video based on the received configuration and editing instructions.SELECTED DRAWING: Figure 1

The invention relates to a video editing method, a video processing method, terminal equipment, a server and a system. The method comprises the steps of determining at least one to-be-edited video in response to a user intention; sending the at least one video to be edited to a server; a music element issued by the server is received, the music element is associated with the video content to be edited, and the music element comprises card point information; according to the sticking point information, extracting a corresponding target video clip from the at least one to-be-edited video; and generating a video editing result according to the target video clip. Thus, the video editing efficiency and the video editing effect can be improved, the operation burden of the two parties can be balanced through information interaction between the terminal equipment and the server, and the overall video editing process is optimized.

The application provides a video editing method and an electronic device. The method can be applied to an electronic device with image processing capability, such as a smart phone, a tablet computer, etc. When mixing editing an HDR video and an SDR video by using a video editor, the electronic device can perform format conversion on the HDR video and the SDR video based on a video brightness range corresponding to a required output video format, unify the format of the video, and be compatible with the screen specification of the electronic device, thereby facilitating improvement of the video quality output by the electronic device.

This application discloses a video stream editing method, apparatus, electronic device, and storage medium, relating to the field of video editing and rendering technology. The method includes: receiving video stream editing information sent by a Redis module and receiving a real-time video stream sent by a streaming media service module; determining the current timestamp corresponding to the current frame image in the real-time video stream; searching for the editing information of the current frame image from the video stream editing information based on the current timestamp; rendering the current frame image based on the editing information to obtain the editing result of the current frame image; and sequentially traversing all frame images in the real-time video stream to obtain the editing result of the real-time video stream. The technical solution provided by this application not only ensures the video stream editing and rendering effect but also has no requirements on system hardware performance. It enables the system front-end to decode the timestamp of the current frame image quickly, achieving the goal of real-time data synchronous rendering.

The application provides a frame skipping detection model training method and device, equipment and a readable storage medium, relates to the technical field of computers, and comprises obtaining a face image data material set, preprocessing the face image data material set to obtain processed training data; based on a depth separable convolution, feature extraction is performed on the training data to obtain extracted feature data; according to a loss function, the feature data is calculated to obtain a frame skipping detection model. The beneficial effects of the application are that a lightweight depth convolutional neural network is designed to extract high-quality video frame features, and whether there is a large pre-set semantic change between two frames of a video is distinguished by using the same, thereby efficiently solving the problem caused by video splicing in automatic video editing. Through frame skipping detection, the automatic video editing software can more intelligently process the problem, thereby improving the user experience and satisfaction.

The invention discloses an automatic video editing method and device based on a large model, equipment and a program product, and the method comprises the steps: determining a semantic tag of a multimedia material and semantic correlation between the semantic tag and a required text, and generating material semantic information; constructing a split prompt statement according to the material semantic information and the demand text, and inputting the split prompt statement into a large language model to obtain a split script sequence; determining the material coverage of each split script, determining a missing shot list according to the material coverage, and performing material extension according to the missing shot list to obtain a target material set; generating an initial video frame sequence according to the split script sequence and the target material set, and determining background audio data; and determining a visual feature difference of the adjacent sub-mirrors according to the initial video frame sequence, generating a transition effect according to the visual feature difference, and generating a target synthetic video according to the initial video frame sequence, the transition effect and the background audio data. The video editing efficiency and content quality are improved, and the method can be applied to the technical field of video editing.

This application relates to the field of computer application technology and provides a template matching method and electronic device for editing footage. The method includes: acquiring at least one piece of footage to be edited selected by a user, wherein the footage to be edited includes at least one of video and image; identifying themes of the footage to be edited based on various template themes contained in a template library to obtain multiple templates to be matched from the template library; matching each template to be matched with the footage to be edited according to at least one preset matching index to determine the target matching score corresponding to each template to be matched; and selecting at least one template to be matched as the target template corresponding to the footage to be edited based on the target matching score corresponding to each template to be matched. Therefore, by evaluating the matching degree between templates and footage to be edited from multiple evaluation dimensions, the matching degree between recommended templates and user-selected footage is improved, the final product effect is enhanced, and the user experience is improved.