10 results about "Character animation" patented technology

Embodiments of the present disclosure provide a data processing method for a task processing model and a method for generating virtual character animation, where the data processing method for the task processing method includes that: a first sample set is obtained, where the first sample set includes multi-modal sample guiding information; the sample guiding information and a sample task sequence are input into an initial processing model to obtain predicted task embeddings corresponding to the sample guiding information; the initial processing model is trained according to the predicted task embeddings and sample task embeddings corresponding to the sample task sequence to obtain model parameters of a task processing model in response to reaching a first preset stopping condition, where the sample task embeddings are obtained by quantizing and encoding the sample task sequence; and the model parameters of the task processing model are sent to the multiple terminal-side devices.

This invention discloses a method, device, electronic device, storage medium, and process for implementing an emotional intelligent agent and its memory system based on a state machine, belonging to the field of artificial intelligence and human-computer interaction technology. The method includes: constructing a multi-dimensional emotional state machine, defining state vectors containing basic and advanced emotions, and combining a natural decay mechanism and an empathy adjustment algorithm to achieve dynamic emotion updates; establishing a hierarchical memory system with emotion binding, binding emotional states as metadata to memory entries, and achieving memory compression, archiving, and enhanced retrieval through a three-level architecture of short-term, medium-term, and long-term combined with importance scoring; adopting a hierarchical streaming response mechanism, splitting the response process into two layers: rapid emotional feedback and substantive content generation, and reducing interaction latency using streaming output and speculative execution; and using emotional states as the core driving source to synchronously control text tone, speech synthesis intonation, and virtual character animation. This invention, by integrating an emotional state machine and a hierarchical memory architecture, enhances the agent's personality continuity and long-term companionship ability, achieving low-latency, multimodal synchronous natural human-computer interaction.

This invention provides a method for online force assessment of characters in a virtual reality environment, aiming to achieve real-time quantitative assessment, physical accuracy, and high robustness of force on humanoid character movements in virtual reality environments. This method combines a motion generation model and a physics optimizer, using an end-to-end integrated approach to dynamically estimate key mechanical parameters such as joint torque and ground reaction force. Specific steps include: acquiring user motion trajectory data from sparse sensors (such as VR headsets and controllers); generating preliminary full-body motion postures using a motion generation model based on discrete latent space learning; performing physical correction and force estimation on the motion using a physics optimization module (employing a dual proportional-differential controller and a motion tracking optimizer); integrating motion data and force parameters; and outputting character animation and force visualization results in real time through a rendering engine. Through the collaborative design of motion generation and physical force assessment, this invention significantly improves the realism, real-time performance, and adaptability of virtual character movements, making it suitable for VR applications such as security monitoring, medical training, and sports simulation, enhancing immersion and interaction efficiency.

The application discloses a role animation generation method and device, electronic equipment and a storage medium, comprising: obtaining identity indication information of a target role, the identity indication information comprising at least one role identity feature of the target role, and one role identity feature indicating one visual performance effect of the target role; obtaining a role expression reference image matched between the target role and the identity indication information; outputting at least one image frame of the target role based on the identity indication information, a first prompt word and a second prompt word through a target model; and generating a role animation of the target role based on each image frame; the application can accurately maintain the unity of the facial features of the role and the stability of the appearance features of the role in the continuous image frame sequence generation process of the animation, thereby improving the role consistency of the role in the animation and effectively improving the generation efficiency of the animation.

A technique for modifying a character animation via a user interface includes displaying a timeline that includes frame numbers as units of time; displaying, along the timeline, a set of key poses associated with a set of frame numbers for a character; displaying a set of tracks overlaid on the set of key poses, where each track in the set of tracks is displayed as a curve that passes through a particular joint of the character across the set of key poses; and receiving, via the user interface, a modification to a first key pose included in the set of key poses. A technique for automatically extracting a set of key poses from a character animation based on a plurality of joint tracks. A technique for retiming a segment of a character animation.

Embodiments of the present application provide a rope system physical simulation method, device, equipment, medium and program product, which are used to realize physical simulation animation of a complex rope system. It can be applied to the fields of computers, game character animation, film and television animation, etc. Specifically, it can include: obtaining segmentation information of a to-be-processed rope system, the segmentation information being used to divide the to-be-processed rope system into line segments; constructing at least one topological structure of the to-be-processed rope system based on the segmentation information, vertices of the at least one topological structure being intersection points of each line segment obtained by dividing the to-be-processed rope system, and edges of the at least one topological structure being each line segment obtained by dividing the to-be-processed rope system; and respectively performing physical simulation on the vertices and edges of the at least one topological structure to obtain physical simulation animation of the to-be-processed rope system.

The application discloses a role animation synthesis method and system based on behavior driving, relates to the technical field of computer vision, collects high-quality audio and corresponding 3D role action and carries out feature extraction processing, processes music theory features, action form data and acoustic feature vectors based on a cross-modal action audio model to obtain an action codebook vector; audio latent vectors of data of a to-be-processed audio stream are extracted in real time, emotion data is obtained according to acoustic features and music theory features, emotion priority filtering is performed, and the audio latent vectors are matched with vectors in a target emotion sub-codebook based on a probability sampling mechanism to generate preliminary role animation parameters; the preliminary role animation parameters are corrected to obtain final action rotation parameters, and finally, the action rotation parameters are subjected to 3D role modeling to output a final animation through a low-delay transmission protocol, so that the role action is effectively driven and the scene atmosphere of audio-visual communication is dynamically changed.

This invention discloses a behavior-driven character animation synthesis method and system, relating to the field of computer vision technology. It involves acquiring high-quality audio and corresponding 3D character actions, performing feature extraction processing, and processing music theory features, motion morphology data, and acoustic feature vectors based on a cross-modal motion audio model to obtain motion codebook vectors. The method further involves real-time extraction of latent audio vectors from the audio stream data, analyzing emotional data based on acoustic and music theory features, performing emotional priority filtering, and matching the latent audio vectors with vectors in the target emotional sub-codebook based on a probability sampling mechanism to generate preliminary character animation parameters. These preliminary animation parameters are then corrected to obtain final motion rotation parameters. Finally, the motion rotation parameters are used to model a 3D character, and the final animation is output through a low-latency transmission protocol, effectively driving character actions and dynamically changing the audiovisual synesthetic scene atmosphere.

The application discloses a digital role animation control method, a modeling method, equipment and a storage medium. The method comprises the following steps: acquiring an animation switching instruction corresponding to a digital role, the animation switching instruction comprising a target bone parameter vector corresponding to a target bone node; processing the target bone parameter vector and a current bone parameter vector based on a parameterized bone model to determine a bone transformation matrix; transforming a current vertex attribute corresponding to a target mesh vertex based on the bone transformation matrix and a first bone skinning weight to determine a target vertex attribute corresponding to the target mesh vertex; transforming a current Gaussian attribute corresponding to a target Gaussian point based on the bone transformation matrix and a second bone skinning weight corresponding to the target Gaussian point to determine a target Gaussian attribute corresponding to the target Gaussian point; and determining a target animation image based on the target vertex attribute corresponding to the target mesh vertex and the target Gaussian attribute corresponding to the target Gaussian point. The method can guarantee the synchronization and high detail fidelity of action control.