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We introduce a high-fidelity portrait shadow removal model that can effectively enhance the image of a portrait by predicting its appearance under disturbing shadows and highlights. Portrait shadow removal is a highly ill-posed problem…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Jae Shin Yoon , Zhixin Shu , Mengwei Ren , Xuaner Zhang , Yannick Hold-Geoffroy , Krishna Kumar Singh , He Zhang

Video relighting offers immense creative potential and commercial value but is hindered by challenges, including the absence of an adequate evaluation metric, severe light flickering, and the degradation of fine-grained details during…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Xiangrui Liu , Haoxiang Li , Yezhou Yang

Simultaneous localization and mapping (SLAM) has achieved impressive performance in static environments. However, SLAM in dynamic environments remains an open question. Many methods directly filter out dynamic objects, resulting in…

Robotics · Computer Science 2024-11-26 Haoang Li , Xiangqi Meng , Xingxing Zuo , Zhe Liu , Hesheng Wang , Daniel Cremers

We show, for the first time, that neural networks trained only on synthetic data achieve state-of-the-art accuracy on the problem of 3D human pose and shape (HPS) estimation from real images. Previous synthetic datasets have been small,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Michael J. Black , Priyanka Patel , Joachim Tesch , Jinlong Yang

Single-view point cloud completion aims to recover the full geometry of an object based on only limited observation, which is extremely hard due to the data sparsity and occlusion. The core challenge is to generate plausible geometries to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Bowen Zhang , Xi Zhao , He Wang , Ruizhen Hu

Video generation has witnessed remarkable progress with the advent of deep generative models, particularly diffusion models. While existing methods excel in generating high-quality videos from text prompts or single images, personalized…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Yufan Deng , Xun Guo , Yizhi Wang , Jacob Zhiyuan Fang , Angtian Wang , Shenghai Yuan , Yiding Yang , Bo Liu , Haibin Huang , Chongyang Ma

This work presents the optical reconstruction of computer-generated holograms (CGHs) 3D scenes via spatial light modulators (SLMs). Holography is an optical technique that allows the recording and reconstruction of images of 3D objects, as…

Optics · Physics 2017-05-24 Mauricio Nel Bolanos Pena , Marcos R. R. Gesualdi

Diffusion-based generative models have significantly advanced text-to-image generation but encounter challenges when processing lengthy and intricate text prompts describing complex scenes with multiple objects. While excelling in…

Computer Vision and Pattern Recognition · Computer Science 2024-02-27 Hanan Gani , Shariq Farooq Bhat , Muzammal Naseer , Salman Khan , Peter Wonka

Recovering the geometry of a human head from a single image, while factorizing the materials and illumination is a severely ill-posed problem that requires prior information to be solved. Methods based on 3D Morphable Models (3DMM), and…

Computer Vision and Pattern Recognition · Computer Science 2022-09-08 Pol Caselles , Eduard Ramon , Jaime Garcia , Xavier Giro-i-Nieto , Francesc Moreno-Noguer , Gil Triginer

We present a novel image editing scenario termed Text-grounded Object Generation (TOG), defined as generating a new object in the real image spatially conditioned by textual descriptions. Existing diffusion models exhibit limitations of…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Xiangtian Xue , Jiasong Wu , Youyong Kong , Lotfi Senhadji , Huazhong Shu

Image composition aims to seamlessly insert a user-specified object into a new scene, but existing models struggle with complex lighting (e.g., accurate shadows, water reflections) and diverse, high-resolution inputs. Modern text-to-image…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Shilin Lu , Zhuming Lian , Zihan Zhou , Shaocong Zhang , Chen Zhao , Adams Wai-Kin Kong

Manipulating the illumination of a 3D scene within a single image represents a fundamental challenge in computer vision and graphics. This problem has traditionally been addressed using inverse rendering techniques, which involve explicit…

Computer Vision and Pattern Recognition · Computer Science 2025-10-24 Shrisha Bharadwaj , Haiwen Feng , Giorgio Becherini , Victoria Fernandez Abrevaya , Michael J. Black

We present a lighting-aware image editing pipeline that, given a portrait image and a text prompt, performs single image relighting. Our model modifies the lighting and color of both the foreground and background to align with the provided…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Junuk Cha , Mengwei Ren , Krishna Kumar Singh , He Zhang , Yannick Hold-Geoffroy , Seunghyun Yoon , HyunJoon Jung , Jae Shin Yoon , Seungryul Baek

We introduce a direct estimation framework for reconstructing multiple density matrix elements of an unknown quantum state using classical shadow tomography. Traditional direct measurement protocols (DMPs), while effective for individual…

Quantum Physics · Physics 2025-05-22 Yu Wang

Relighting of human images has various applications in image synthesis. For relighting, we must infer albedo, shape, and illumination from a human portrait. Previous techniques rely on human faces for this inference, based on spherical…

Graphics · Computer Science 2019-08-12 Yoshihiro Kanamori , Yuki Endo

In this paper, we present a novel differentiable point-based rendering framework to achieve photo-realistic relighting. To make the reconstructed scene relightable, we enhance vanilla 3D Gaussians by associating extra properties, including…

Computer Vision and Pattern Recognition · Computer Science 2024-08-09 Jian Gao , Chun Gu , Youtian Lin , Zhihao Li , Hao Zhu , Xun Cao , Li Zhang , Yao Yao

Generating accurate and consistent visual aids is a critical challenge in mathematics education, where visual representations like geometric shapes and functions play a pivotal role in enhancing student comprehension. This paper introduces…

Computation and Language · Computer Science 2024-11-11 Jeongwoo Lee , Kwangsuk Park , Jihyeon Park

Removing objects from images is a challenging problem that is important for many applications, including mixed reality. For believable results, the shadows that the object casts should also be removed. Current inpainting-based methods only…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Edward Zhang , Ricardo Martin-Brualla , Janne Kontkanen , Brian Curless

Thermal cameras offer strong potential for robot perception under challenging illumination and weather conditions. However, thermal Simultaneous Localization and Mapping (SLAM) remains difficult due to unreliable feature extraction,…

Robotics · Computer Science 2026-02-25 Zeyu Jiang , Kuan Xu , Changhao Chen

Robust feature matching forms the backbone for most Visual Simultaneous Localization and Mapping (vSLAM), visual odometry, 3D reconstruction, and Structure from Motion (SfM) algorithms. However, recovering feature matches from texture-poor…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Shenbagaraj Kannapiran , Nalin Bendapudi , Ming-Yuan Yu , Devarth Parikh , Spring Berman , Ankit Vora , Gaurav Pandey