Face animation based on multiple sources and perspective alignment

Background Face image animation generates a synthetic human face video that harmoniously integrates the identity derived from the source image and facial motion obtained from the driving video.This technology could be beneficial in multiple medical fields,such as diagnosis and privacy protection.Previous studies on face animation often relied on a single source image to generate an output video.With a significant pose difference between the source image and the driving frame,the quality of the generated video is likely to be suboptimal because the source image may not provide sufficient features for the warped feature map.Methods In this study,we propose a novel face-animation scheme based on multiple sources and perspective alignment to address these issues.We first introduce a multiple-source sampling and selection module to screen the optimal source image set from the provided driving video.We then propose an inter-frame interpolation and alignment module to further eliminate the misalignment between the selected source image and the driving frame.Conclusions The proposed method exhibits superior performance in terms of objective metrics and visual quality in large-angle animation scenes compared to other state-of-the-art face animation methods.It indicates the effectiveness of the proposed method in addressing the distortion issues in large-angle animation.

Audio2AB:Audio-driven collaborative generation of virtual character animation

Background Considerable research has been conducted in the areas of audio-driven virtual character gestures and facial animation with some degree of success.However,few methods exist for generating full-body animations,and the portability of virtual character gestures and facial animations has not received sufficient attention.Methods Therefore,we propose a deep-learning-based audio-to-animation-and-blendshape(Audio2AB)network that generates gesture animations and ARK it's 52 facial expression parameter blendshape weights based on audio,audio-corresponding text,emotion labels,and semantic relevance labels to generate parametric data for full-body animations.This parameterization method can be used to drive full-body animations of virtual characters and improve their portability.In the experiment,we first downsampled the gesture and facial data to achieve the same temporal resolution for the input,output,and facial data.The Audio2AB network then encoded the audio,audio-corresponding text,emotion labels,and semantic relevance labels,and then fused the text,emotion labels,and semantic relevance labels into the audio to obtain better audio features.Finally,we established links between the body,gestures,and facial decoders and generated the corresponding animation sequences through our proposed GAN-GF loss function.Results By using audio,audio-corresponding text,and emotional and semantic relevance labels as input,the trained Audio2AB network could generate gesture animation data containing blendshape weights.Therefore,different 3D virtual character animations could be created through parameterization.Conclusions The experimental results showed that the proposed method could generate significant gestures and facial animations.

Development and Evaluation of 3D Delivery Animation Software Designed to Improve the Mother’s and Spouse’s Satisfaction with Delivery

Purpose: To clarify the effectiveness of 3-D delivery animation software for the mother’s and husband’s satisfaction with delivery. Subjects and Method: We independently developed a software application used to display the pelvic region and explain the labor process. The study involved a collaboration with hospital staff who recruited 18 primiparous and 18 multiparous mothers who were hospitalized for delivery at Facility A. The midwife explained the process of delivery using the “Delivery Animation Software”. A self-administered, anonymous questionnaire was distributed and analyzed separately for primiparous and multiparous mothers and their husbands. Results: 1) For both primiparous and multiparous couples, both mothers and their husbands gained a significantly higher level of understanding after delivery than during pregnancy. 2) The Self-Evaluation Scale for Experience of Delivery results were as follows: “I did my best for the baby even if it was painful” was selected more often for “birth coping skills”;“reliable medical staff” was selected more often for “physiological birth process”;“the birth progressed as I expected” was selected frequently by primiparous mothers;and “the birth progressed smoothly” was selected often by multiparous mothers. 3) In terms of husbands’ satisfaction with the delivery, “I was satisfied with the delivery”, “I was given an easy-to-understand explanation”, and “They explained the process to me” was selected of primiparous and multiparous fathers. 4) All primiparous and multiparous mothers positively evaluated whether the delivery animation was helpful in understanding the process of delivery. Conclusion: The delivery animation was effective in improving the understanding and satisfaction of both the mothers and their husbands.

Ultra-Lightweight Face Animation Method for Ultra-Low Bitrate Video Conferencing

Video conferencing systems face the dilemma between smooth streaming and decent visual quality because traditional video compression algorithms fail to produce bitstreams low enough for bandwidth-constrained networks.An ultra-lightweight face-animation-based method that enables better video conferencing experience is proposed in this paper.The proposed method compresses high-quality upperbody videos with ultra-low bitrates and runs efficiently on mobile devices without high-end graphics processing units(GPU).Moreover,a visual quality evaluation algorithm is used to avoid image degradation caused by extreme face poses and/or expressions,and a full resolution image composition algorithm to reduce unnaturalness,which guarantees the user experience.Experiments show that the proposed method is efficient and can generate high-quality videos at ultra-low bitrates.

The Developmental Difficulties and Prospects of Chinese-style Animation:Taking Yao-Chinese Folktales as an Example

As one of the important means to spread Chinese traditional culture,Chinese-style animation has been on the rise in recent years.Many excellent works have emerged,among which the Chinese animated short film series Yao-Chinese Folktales is one of the good representatives.It aroused a strong reaction from the audience as soon as it was released on the Internet,and gave the audience a shock to their mind and vision,which has brought some thoughts to the development of Chinese-style animation.Following a linear logic chain of past-present-future Chinese-style animation’s development,this paper takes Yao-Chinese Folktales as an example and analyzes the developmental difficulties and prospects of Chinese-style animation.At the end of the paper,some suggestions about the development path of Chinese-style animation’s future are given from the aspects of creation and dissemination,for the aim of promoting the Chinese-style animation’s development and spreading the Chinese traditional culture.

Sustainable Development of Internet Literature in the Era of Games and Animation:Challenges and Opportunities

The rapid development of Internet literature not only made itself the source of information about animation and the gaming industry,but also boosted the creation of super writers who are now establishing themselves as IP(intellectual property)producers and providers.Rather than creating literary classics,these writers prefer producing commercial novels targeted at a certain group of readers.Meanwhile,the structure of their works tends to cater to the preferences of online games and animation,with the narrative and characters in the novel adjusting accordingly.These changes have enhanced the influence of Internet literature.But an excessive emphasis on IP gradually converts the novels into scripts for games with highly stereotyped content and structure.Fastpaced writing also renders their works with a lack of polish,including such serious problems as mismatched plots and repetitive narratives.Therefore,Internet literature is in urgent need of positive guidance,as its development will be stalled due to the excessive emphasis on IP.

Research on the Application of Virtual Simulation and 3D Animation Technology in the Teaching of Road and Bridge Majors in Higher Vocational Colleges

The informatization of higher vocational education is the future development trend,and it is also encouraged and promoted by the Ministry of Education.This article focuses on the road and bridge major,combined with the author’s experience in introducing virtual simulation and three-dimensional(3D)animation technology into relevant course teaching in recent years,discusses the application of virtual simulation and 3D animation technology in higher vocational education and promotes classroom revolution,to obtain better teaching effect.

Digital Animation Character Creation Design

The purpose of this article is to discuss the proper method for Chinese digital animation character design on the foundation of certain cultural elements. The method used in this study is known as comparative analysis of Disney and Japanese animation styles in action, appearance, facial expression and voice design. These dynamic factors are the best carrier of the animation spirit and native culture, so it is important to take the dynamic factors into account when producing the digital animation, and it will be an excellent starting point to innovate Chinese digital animation.

Education and Research on Animation Creation Based on Northeast Regional Culture

With the rapid development of the Internet era,the way people get information is also changing.The way to obtain information becomes more convenient and efficient,so the effective utilization of mobile digital terminals can spread information more widely and quickly.Using animation as a medium to express cultural information through the Internet has become an important means of regional cultural communication.As creators and producers of animation determine the quality of animation,how to cultivate such talents has become an issue worth thinking deeply in the process of animation education.Therefore,this paper attempts to explore how to create animation based on the northeast regional culture and in line with the current social aesthetic awareness and development trend in the process of animation education and teaching.

A safety evaluation of profound hypothermia-induced suspended animation for delayed resuscitation at 90 or 120min

Background: The successful treatment of military combat casualties with penetrating injuries is significantly dependent on the time needed to get the patient to an adequate treatment facility. Profound hypothermia induced suspended animation for delayed resuscitation(SADR) is a novel approach for inducing cardiac arrest and buying additional time for such injuries. However, the time used to safely administer circulatory arrest(CA) is controversial. The goal of this study was to evaluate the safety of hypothermia-induced SADR over 90 and 120 min time intervals.Methods: Sixteen male BAMA minipigs were randomized into two groups: CA90 group(90 min, n =8) and CA120 group(120 min, n =8). Cannulation of the right common carotid arteries and internal jugular veins was performed to establish cardiopulmonary bypass for each animal. Through the perfusion of cold organ preservation solution(OPS), cardioplegia and profound hypothermia(15℃) were induced. After CA, cardiopumonary bypass(CPB) was restarted, and the animals were gradually re-warmed and resuscitated. The animals were assisted with ventilators until spontaneous breathing was achieved. The index of hemodynamic perioperative serum chemistry values [alanine transaminase(ALT), aspartate aminotransferase(AST), creatinine(CR), lactic dehydrogenase(LDH) and troponin T(TnT)] and survival were observed from pre-operation to 7 days post-operation.Results: Fifteen animals were enrolled in the experiment, while 1 animal in CA120 group died from surgical error. All 8 animals in CA90 group recovered, with only 1 animal displaying mild disability. However, in CA120 group, only 2 animals survived with severe disability, and the other 5 animals died after 2 days post-operation. In CA90 group, the perioperative serum chemistry values increased at 1 day post-operation(ALT 84.43±18.65 U/L; AST 88.99±23.19 U/L; Cr 87.90±24.49μmol/L; LDH 1894.13±322.26 U/L; TnT 0.849±0.135 ng/ml) but decreased to normal or almost normal levels at 7 days post-operation(ALT 52.48±9.04 U/L; AST 75.23±21.46 U/L; Cr 82.69±18.41μmol/L; LDH 944.67±834.32 U/L; TnT 0.336±0.076 ng/ml).Conclusion: Profound hypothermia-induced SADR is an effective method for inducing cardiac arrest. Our results indicate that inducing CA for 90 min(at 15℃) is safer than doing so for 120 min. Our results indicate that 120 min of CA at 15℃ is dangerous and can result in high mortality and severe neurological complications. Further experimentation is needed to determine whether 120 min of CA at temperatures lower than 15℃ can lead to safe recovery.

Expression of National Cultural Elements in Ancient Costume Animation Movie Scene

In Chinese ancient costume animation movies, there are problems of unreasonable cultural expression in many architectural scenes, such as not meticulous scene design and weak understanding of the relationship between artistic design and image cultural expression. This is greatly different from the spirit of passing on national ethnic culture. In order to transform such situation, it is recommended to set up the concept of passing on the ethnic culture, follow the principle of creation of national art and practice of story creation, improve the style of domestic animation movies, and raise the concept of cultural creation.

Popular Science Animation for the Future Intelligent Agricultural Ecology of Agricultural Products Innovation Design and Promotion

The form of agricultural products promotion is also constantly updated with the continuous development of science and technology in recent years.Intelligent agriculture gradually leads the scientific and technological process of agricultural products planting,production,promotion and other fields,making agricultural production more efficient and controllable.The use of popular science animation in the innovative design and promotion of agricultural products will help to drive the agricultural economy,conform to the current new situation,and improve the competitiveness of agricultural products with the help of scientific and technological strength and innovation consciousness in this environment.

Research on Enhancing the Functions of Animation in Web 3D

VRML offers powerful tool for generating 3D scene and realizing real time interactive animation on Web. This paper briefly introduces the related techniques of implementing interactive animation in Web 3D, focusing on how to use JavaScript to create Script node for extending VRML functions. This is very useful for virtual product design, product performance simulation, virtual assembly and remote education.

Context-Aware Animation Data Description and Interaction Method Based on Sketch

In this paper,an interactive method is proposed to describe computer animation data and accelerate the process of animation generation.First,a semantic model and a resource description framework(RDF)are utilized to analyze and describe the relationships between animation data.Second,a novel context model which is able to keep the context-awareness was proposed to facilitate data organization and storage.In our context model,all the main animation elements in a scene are operated as a whole.Then sketch is utilized as the main interactive method to describe the relationships between animation data,edit the context model and make some other user operations.Finally,a context-aware computer animation data description system based on sketch is generated and it also works well in animation generation process.

R语言animation包的辅助教学探索

概率论与数理统计课程中有许多概念和定理不容易理解,板书授课难以表达全部含义。通过研究R软件中的animation包的使用方式,列举了大数定律、中心极限定理及经验分布函数一致收敛性的动画演示过程,对R语言animation包的辅助教学进行探索。

Two-Dimensional Animation Techniques in Web Courseware

To avoid the shortcomings of many Web education systems that look like Web books, a true Web multimedia Engineering Graphics courseware is developed to explore the method and techniques of 2D animation with text, buttons, sounds and graphics merged together. For speeding up the transmission and download, data compression and interactive approach are introduced.

3D Product Display Based on Inventor Animation Design

With the rapid development of internet technology,some innovative fashion product are increasingly showed in the way of three-dimensional virtual display.Taking fashion jewelry as an example,the virtual 3D display method of product is studied by Inventor which is parametric 3D design software for efficient modeling and animation developed by the Autodesk Company.By discussing the methods of part feature creation and assembly design,the real simulation of the product is carried out.Three-dimensional animation techniques,such as fade animation,components animation and camera animation are used to depict product features and animation effects.

Animation simulation of satellite attitude control

Analyses the interrelation between satellite attitude and equipment failures, presents the way of animation simulation of satellite attitude control based upon the virtual reality thought, and realizes on a microcomputer the attitude control animation demonstration system for a remote sensing satellite.

3-D Animation as Applied to the Solving of Coupling Relations in the 6-DOF Parallel Robot

How to solve the coupling relations in a 6 - DOF parallel robot quickly and accurately within the limits of realtime control is a critical problem. In traditional analytic method, the complicated mathemtical model must first be constructed and then solved by programming.Obviously, this method is not very practical. This paper,therefore, proposes a new way of approach with a new method using 3- D animation for the solving of coupling relations in the 6 - DOF parallel robot. This method is much simpler and its solving accuracy approaches that of the more complicated analytic method.

Fast Individual Facial Animation Framework Based on Motion Capture Data

Based upon motion capture,a semi-automatic technique for fast facial animation was implemented. While capturing the facial expressions from a performer,a camera was used to record her /his front face as a texture map. The radial basis function( RBF) technique was utilized to deform a generic facial model and the texture was remapped to generate a personalized face.Partitioning the personalized face into three regions and using the captured facial expression data,the RBF and Laplacian operator,and mean-value coordinates were implemented to deform each region respectively. With shape blending,the three regions were combined together to construct the final face model. Our results show that the technique is efficient in generating realistic facial animation.