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Despite significant recent progress on generative models, controlled generation of images depicting multiple and complex object layouts is still a difficult problem. Among the core challenges are the diversity of appearance a given object…

计算机视觉与模式识别 · 计算机科学 2019-10-16 Bo Zhao , Lili Meng , Weidong Yin , Leonid Sigal

Human pose estimation aims to accurately estimate a wide variety of human poses. However, existing datasets often follow a long-tailed distribution that unusual poses only occupy a small portion, which further leads to the lack of diversity…

计算机视觉与模式识别 · 计算机科学 2022-08-17 Wentao Jiang , Sheng Jin , Wentao Liu , Chen Qian , Ping Luo , Si Liu

Traditional works have shown that patches in a natural image tend to redundantly recur many times inside the image, both within the same scale, as well as across different scales. Make full use of these multi-scale information can improve…

计算机视觉与模式识别 · 计算机科学 2017-07-25 Wuzhen Shi , Feng Jiang , Debin Zhao

We study the problem of shape generation in 3D mesh representation from a few color images with known camera poses. While many previous works learn to hallucinate the shape directly from priors, we resort to further improving the shape…

计算机视觉与模式识别 · 计算机科学 2019-08-19 Chao Wen , Yinda Zhang , Zhuwen Li , Yanwei Fu

Diffusion models, widely used in image generation, rely on iterative refinement to generate images from noise. Understanding this data evolution is important for model development and interpretability, yet challenging due to its…

计算机视觉与模式识别 · 计算机科学 2024-12-12 Vidya Prasad , Hans van Gorp , Christina Humer , Ruud J. G. van Sloun , Anna Vilanova , Nicola Pezzotti

Estimating a 3D human pose has proven to be a challenging task, primarily because of the complexity of the human body joints, occlusions, and variability in lighting conditions. In this paper, we introduce a higher-order graph convolutional…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Jianning Quan , A. Ben Hamza

Recent advancements in trajectory-guided video generation have achieved notable progress. However, existing models still face challenges in generating object motions with potentially changing 6D poses under wide-range rotations, due to…

计算机视觉与模式识别 · 计算机科学 2025-03-21 Longbin Ji , Lei Zhong , Pengfei Wei , Changjian Li

Generative adversarial networks achieve great performance in photorealistic image synthesis in various domains, including human images. However, they usually employ latent vectors that encode the sampled outputs globally. This does not…

计算机视觉与模式识别 · 计算机科学 2021-03-15 Kripasindhu Sarkar , Lingjie Liu , Vladislav Golyanik , Christian Theobalt

Due to the emergence of Generative Adversarial Networks, video synthesis has witnessed exceptional breakthroughs. However, existing methods lack a proper representation to explicitly control the dynamics in videos. Human pose, on the other…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Ceyuan Yang , Zhe Wang , Xinge Zhu , Chen Huang , Jianping Shi , Dahua Lin

Text-to-image diffusion models, while proficient at generating high-fidelity images, often suffer from limited output diversity, hindering their application in exploratory and ideation tasks. Existing prompt optimization techniques…

计算机视觉与模式识别 · 计算机科学 2025-11-04 Alex Inch , Passawis Chaiyapattanaporn , Yuchen Zhu , Yuan Lu , Ting-Wen Ko , Davide Paglieri

Recent advancements in generative models have significantly facilitated the development of personalized content creation. Given a small set of images with user-specific concept, personalized image generation allows to create images that…

计算机视觉与模式识别 · 计算机科学 2025-02-19 Yuxiang Wei , Yiheng Zheng , Yabo Zhang , Ming Liu , Zhilong Ji , Lei Zhang , Wangmeng Zuo

We present a generative model for controllable person image synthesis,as shown in Figure , which can be applied to pose-guided person image synthesis, $i.e.$, converting the pose of a source person image to the target pose while preserving…

计算机视觉与模式识别 · 计算机科学 2020-12-24 Shilong Shen

Portrait Animation aims to synthesize a lifelike video from a single source image, using it as an appearance reference, with motion (i.e., facial expressions and head pose) derived from a driving video, audio, text, or generation. Instead…

计算机视觉与模式识别 · 计算机科学 2025-03-03 Jianzhu Guo , Dingyun Zhang , Xiaoqiang Liu , Zhizhou Zhong , Yuan Zhang , Pengfei Wan , Di Zhang

Estimating the 6D pose of arbitrary unseen objects from a single reference image is critical for robotics operating in the long-tail of real-world instances. However, this setting is notoriously challenging: 3D models are rarely available,…

计算机视觉与模式识别 · 计算机科学 2025-09-10 Zheng Geng , Nan Wang , Shaocong Xu , Chongjie Ye , Bohan Li , Zhaoxi Chen , Sida Peng , Hao Zhao

Transferring appearance to 3D assets using different representations of the appearance object - such as images or text - has garnered interest due to its wide range of applications in industries like gaming, augmented reality, and digital…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Sayan Deb Sarkar , Sinisa Stekovic , Vincent Lepetit , Iro Armeni

Methods and datasets for human pose estimation focus predominantly on side- and front-view scenarios. We overcome the limitation by leveraging synthetic data and introduce RePoGen (RarE POses GENerator), an SMPL-based method for generating…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Miroslav Purkrabek , Jiri Matas

We propose a direct, regression-based approach to 2D human pose estimation from single images. We formulate the problem as a sequence prediction task, which we solve using a Transformer network. This network directly learns a regression…

计算机视觉与模式识别 · 计算机科学 2022-07-21 Weian Mao , Yongtao Ge , Chunhua Shen , Zhi Tian , Xinlong Wang , Zhibin Wang , Anton van den Hengel

Dramatic appearance variation due to pose constitutes a great challenge in fine-grained recognition, one which recent methods using attention mechanisms or second-order statistics fail to adequately address. Modern CNNs typically lack an…

计算机视觉与模式识别 · 计算机科学 2018-09-12 Pei Guo , Ryan Farrell

Photo collage aims to automatically arrange multiple photos on a given canvas with high aesthetic quality. Existing methods are based mainly on handcrafted feature optimization, which cannot adequately capture high-level human aesthetic…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Mingrui Zhang , Mading Li , Li Chen , Jiahao Yu

Text-to-3D synthesis has recently emerged as a new approach to sampling 3D models by adopting pretrained text-to-image models as guiding visual priors. An intriguing but underexplored problem with existing text-to-3D methods is that 3D…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Uy Dieu Tran , Minh Luu , Phong Ha Nguyen , Khoi Nguyen , Binh-Son Hua