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While recent feed-forward 3D reconstruction models provide a strong geometric foundation for scene understanding, extending them to 3D instance segmentation typically relies on a disjointed "lift-and-cluster" paradigm. Grouping dense…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Changyang Li , Xueqing Huang , Shin-Fang Chng , Huangying Zhan , Qingan Yan , Yi Xu

This paper addresses the performance bottlenecks of existing text-driven image generation methods in terms of semantic alignment accuracy and structural consistency. A high-fidelity image generation method is proposed by integrating…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Danyi Gao

2D concept art generation for 3D scenes is a crucial yet challenging task in computer graphics, as creating natural intuitive environments still demands extensive manual effort in concept design. While generative AI has simplified 2D…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Zhenhong Sun , Yifu Wang , Yonhon Ng , Yongzhi Xu , Daoyi Dong , Hongdong Li , Pan Ji

Text-to-motion generation has recently garnered significant research interest, primarily focusing on generating human motion sequences in blank backgrounds. However, human motions commonly occur within diverse 3D scenes, which has prompted…

Computer Vision and Pattern Recognition · Computer Science 2025-05-06 Ziyan Guo , Haoxuan Qu , Hossein Rahmani , Dewen Soh , Ping Hu , Qiuhong Ke , Jun Liu

Unpaired Image-to-image Translation is a new rising and challenging vision problem that aims to learn a mapping between unaligned image pairs in diverse domains. Recent advances in this field like MUNIT and DRIT mainly focus on…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Zhiqiang Shen , Mingyang Huang , Jianping Shi , Xiangyang Xue , Thomas Huang

Recently, text-to-image diffusion models have demonstrated impressive ability to generate high-quality images conditioned on the textual input. However, these models struggle to accurately adhere to textual instructions regarding spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Wenqiang Sun , Teng Li , Zehong Lin , Jun Zhang

Recent advancements in personalizing text-to-image (T2I) diffusion models have shown the capability to generate images based on personalized visual concepts using a limited number of user-provided examples. However, these models often…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Yan Hong , Jianfu Zhang

The rapid growth of 3D digital content necessitates expandable recognition systems for open-world scenarios. However, existing 3D class-incremental learning methods struggle under extreme data scarcity due to geometric misalignment and…

Computer Vision and Pattern Recognition · Computer Science 2025-09-23 Tuo Xiang , Xuemiao Xu , Bangzhen Liu , Jinyi Li , Yong Li , Shengfeng He

Category-level 6D pose estimation aims to predict the poses and sizes of unseen objects from a specific category. Thanks to prior deformation, which explicitly adapts a category-specific 3D prior (i.e., a 3D template) to a given object…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Jianhui Liu , Yukang Chen , Xiaoqing Ye , Xiaojuan Qi

Recent text-to-image generation favors various forms of spatial conditions, e.g., masks, bounding boxes, and key points. However, the majority of the prior art requires form-specific annotations to fine-tune the original model, leading to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Z. Zhang , B. Liu , J. Bao , L. Chen , S. Zhu , J. Yu

Existing architectures for imitation learning using image-to-action policy networks perform poorly when presented with an input image containing multiple instances of the object of interest, especially when the number of expert…

Robotics · Computer Science 2021-01-05 Sagar Gubbi Venkatesh , Raviteja Upadrashta , Shishir Kolathaya , Bharadwaj Amrutur

We consider the problem of single-source domain generalization. Existing methods typically rely on extensive augmentations to synthetically cover diverse domains during training. However, they struggle with semantic shifts (e.g., background…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Aishwarya Agarwal , Srikrishna Karanam , Vineet Gandhi

Recent advances in text-to-image (T2I) models have achieved impressive quality and consistency. However, this has come at the cost of representation diversity. While automatic evaluation methods exist for benchmarking model diversity, they…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Revant Teotia , Candace Ross , Karen Ullrich , Sumit Chopra , Adriana Romero-Soriano , Melissa Hall , Matthew J. Muckley

High-quality 3D assets are essential for VR/AR, industrial design, and entertainment, motivating growing interest in generative models that create 3D content from user prompts. Most existing 3D generators, however, rely on a single…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Jiazhong Cen , Jiemin Fang , Sikuang Li , Guanjun Wu , Chen Yang , Taoran Yi , Zanwei Zhou , Zhikuan Bao , Lingxi Xie , Wei Shen , Qi Tian

Separating 3D point clouds into individual instances is an important task for 3D vision. It is challenging due to the unknown and varying number of instances in a scene. Existing deep learning based works focus on a two-step pipeline: first…

Computer Vision and Pattern Recognition · Computer Science 2021-08-27 Ruihang Chu , Yukang Chen , Tao Kong , Lu Qi , Lei Li

While Text-to-Image (T2I) diffusion models excel at generating visually appealing images of individual instances, they struggle to accurately position and control the features generation of multiple instances. The Layout-to-Image (L2I) task…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Yinwei Wu , Xianpan Zhou , Bing Ma , Xuefeng Su , Kai Ma , Xinchao Wang

Recent progress in text-to-image (TTI) systems, such as StableDiffusion, Imagen, and DALL-E 2, have made it possible to create realistic images with simple text prompts. It is tempting to use these systems to eliminate the manual task of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-02 David Marwood , Shumeet Baluja , Yair Alon

The pose-guided person image generation task requires synthesizing photorealistic images of humans in arbitrary poses. The existing approaches use generative adversarial networks that do not necessarily maintain realistic textures or need…

Computer Vision and Pattern Recognition · Computer Science 2023-03-02 Ankan Kumar Bhunia , Salman Khan , Hisham Cholakkal , Rao Muhammad Anwer , Jorma Laaksonen , Mubarak Shah , Fahad Shahbaz Khan

Without incurring significant computational overhead, train-free long video generation aims to enable foundation video generation models to produce longer videos. Frame-level autoregressive frameworks, e.g., FIFO-diffusion, offer the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 X. Feng , J. Zhu , M. Wu , C. Chen , F. Mao , H. Guo , J. Wu , X. Chu , K. Huang

In text-to-image models, consistent character generation is the task of achieving text alignment while maintaining the subject's appearance across different prompts. However, since style and appearance are often entangled, the existing…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Yohai Mazuz , Janna Bruner , Lior Wolf