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Benefiting from the significant advancements in text-to-image diffusion models, research in personalized image generation, particularly customized portrait generation, has also made great strides recently. However, existing methods either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Benxiang Zhai , Yifang Xu , Guofeng Zhang , Yang Li , Sidan Du

Estimation of 3D human pose from monocular image has gained considerable attention, as a key step to several human-centric applications. However, generalizability of human pose estimation models developed using supervision on large-scale…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Jogendra Nath Kundu , Siddharth Seth , Rahul M , Mugalodi Rakesh , R. Venkatesh Babu , Anirban Chakraborty

In general, human pose estimation methods are categorized into two approaches according to their architectures: regression (i.e., heatmap-free) and heatmap-based methods. The former one directly estimates precise coordinates of each…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Jonghyun Kim , Bosang Kim , Hyotae Lee , Jungpyo Kim , Wonhyeok Im , Lanying Jin , Dowoo Kwon , Jungho Lee

We consider the problem of estimating object pose and shape from an RGB-D image. Our first contribution is to introduce CRISP, a category-agnostic object pose and shape estimation pipeline. The pipeline implements an encoder-decoder model…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Jingnan Shi , Rajat Talak , Harry Zhang , David Jin , Luca Carlone

We present a novel inverse rendering-based framework to estimate the 3D shape (per-pixel surface normals and depth) of objects and scenes from single-view polarization images, the problem popularly known as Shape from Polarization (SfP).…

Computer Vision and Pattern Recognition · Computer Science 2024-07-15 Ashish Tiwari , Shanmuganathan Raman

The field of image synthesis has made tremendous strides forward in the last years. Besides defining the desired output image with text-prompts, an intuitive approach is to additionally use spatial guidance in form of an image, such as a…

Computer Vision and Pattern Recognition · Computer Science 2024-08-13 Denis Zavadski , Johann-Friedrich Feiden , Carsten Rother

We consider the robust Perspective-n-Point (PnP) problem using a hybrid approach that combines deep learning with model based algorithms. PnP is the problem of estimating the pose of a calibrated camera given a set of 3D points in the world…

Computer Vision and Pattern Recognition · Computer Science 2020-03-11 Roy Sheffer , Ami Wiesel

We address the problem of multi-object 3D pose control in image diffusion models. Instead of conditioning on a sequence of text tokens, we propose to use a set of per-object representations, Neural Assets, to control the 3D pose of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Ziyi Wu , Yulia Rubanova , Rishabh Kabra , Drew A. Hudson , Igor Gilitschenski , Yusuf Aytar , Sjoerd van Steenkiste , Kelsey R. Allen , Thomas Kipf

This paper addresses the problem of cross-dataset generalization of 3D human pose estimation models. Testing a pre-trained 3D pose estimator on a new dataset results in a major performance drop. Previous methods have mainly addressed this…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Mohsen Gholami , Bastian Wandt , Helge Rhodin , Rabab Ward , Z. Jane Wang

This work focuses on model-free zero-shot 6D object pose estimation for robotics applications. While existing methods can estimate the precise 6D pose of objects, they heavily rely on curated CAD models or reference images, the preparation…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Yibo Liu , Zhaodong Jiang , Binbin Xu , Guile Wu , Yuan Ren , Tongtong Cao , Bingbing Liu , Rui Heng Yang , Amir Rasouli , Jinjun Shan

Pose transfer refers to the probabilistic image generation of a person with a previously unseen novel pose from another image of that person having a different pose. Due to potential academic and commercial applications, this problem is…

Computer Vision and Pattern Recognition · Computer Science 2025-02-19 Prasun Roy , Saumik Bhattacharya , Subhankar Ghosh , Umapada Pal

We present an algorithm for re-rendering a person from a single image under arbitrary poses. Existing methods often have difficulties in hallucinating occluded contents photo-realistically while preserving the identity and fine details in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-14 Badour AlBahar , Jingwan Lu , Jimei Yang , Zhixin Shu , Eli Shechtman , Jia-Bin Huang

Conditional generative models typically demand large annotated training sets to achieve high-quality synthesis. As a result, there has been significant interest in designing models that perform plug-and-play generation, i.e., to use a…

Computer Vision and Pattern Recognition · Computer Science 2023-10-03 Nithin Gopalakrishnan Nair , Anoop Cherian , Suhas Lohit , Ye Wang , Toshiaki Koike-Akino , Vishal M. Patel , Tim K. Marks

Diffusion-based video generation techniques have significantly improved zero-shot talking-head avatar generation, enhancing the naturalness of both head motion and facial expressions. However, existing methods suffer from poor…

Graphics · Computer Science 2025-04-24 Lingzhou Mu , Baiji Liu , Ruonan Zhang , Guiming Mo , Jiawei Jin , Kai Zhang , Haozhi Huang

Category-level object pose estimation aims to determine the pose and size of novel objects in specific categories. Existing correspondence-based approaches typically adopt point-based representations to establish the correspondences between…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Huan Ren , Wenfei Yang , Xiang Liu , Shifeng Zhang , Tianzhu Zhang

Existing Weakly-Supervised Change Detection (WSCD) methods often encounter the problem of "instance lumping" under scene-level supervision, particularly in scenarios with a dense distribution of changed instances (i.e., changed objects). In…

Computer Vision and Pattern Recognition · Computer Science 2025-01-13 Zhenghui Zhao , Chen Wu , Lixiang Ru , Di Wang , Hongruixuan Chen , Cuiqun Chen

We present a learning framework that learns to recover the 3D shape, pose and texture from a single image, trained on an image collection without any ground truth 3D shape, multi-view, camera viewpoints or keypoint supervision. We approach…

Computer Vision and Pattern Recognition · Computer Science 2020-07-22 Shubham Goel , Angjoo Kanazawa , Jitendra Malik

We propose a new 6-DoF grasp pose synthesis approach from 2D/2.5D input based on keypoints. Keypoint-based grasp detector from image input has demonstrated promising results in the previous study, where the additional visual information…

Robotics · Computer Science 2023-05-02 Yiye Chen , Ruinian Xu , Yunzhi Lin , Hongyi Chen , Patricio A. Vela

A key challenge in the task of human pose and shape estimation is occlusion, including self-occlusions, object-human occlusions, and inter-person occlusions. The lack of diverse and accurate pose and shape training data becomes a major…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Kaibing Yang , Renshu Gu , Maoyu Wang , Masahiro Toyoura , Gang Xu

The problem of object pose and shape estimation has seen key advancements lately. Encoder-decoder (e.g., SAM3D, LRM, CRISP) and diffusion-based models (e.g., InstantMesh, Zero123, SceneComplete) have shown category-agnostic shape encoding…

Robotics · Computer Science 2026-05-27 Pavan Karke , Kushal Shah , Gaurav Singh , Md Faizal Karim , K Madhava Krishna , Rajat Talak