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We propose a novel two-stage framework for sensor depth enhancement, called Perfecting Depth. This framework leverages the stochastic nature of diffusion models to automatically detect unreliable depth regions while preserving geometric…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Jinyoung Jun , Lei Chu , Jiahao Li , Yan Lu , Chang-Su Kim

Inverting real images into the noise space is essential for editing tasks using diffusion models, yet existing methods produce non-Gaussian noise with poor editability due to the inaccuracy in early noising steps. We identify the root…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Chen Min , Enze Jiang , Jishen Peng , Zheng Ma

Lifting 2D diffusion for 3D generation is a challenging problem due to the lack of geometric prior and the complex entanglement of materials and lighting in natural images. Existing methods have shown promise by first creating the geometry…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Lingteng Qiu , Guanying Chen , Xiaodong Gu , Qi Zuo , Mutian Xu , Yushuang Wu , Weihao Yuan , Zilong Dong , Liefeng Bo , Xiaoguang Han

Collaborative visual perception methods have gained widespread attention in the autonomous driving community in recent years due to their ability to address sensor limitation problems. However, the absence of explicit depth information…

计算机视觉与模式识别 · 计算机科学 2025-10-10 Shaohong Wang , Bin Lu , Xinyu Xiao , Hanzhi Zhong , Bowen Pang , Tong Wang , Zhiyu Xiang , Hangguan Shan , Eryun Liu

In diverse microscopy modalities, sensors measure only real-valued intensities. Additionally, the sensor readouts are affected by Poissonian-distributed photon noise. Traditional restoration algorithms typically aim to minimize the mean…

计算机视觉与模式识别 · 计算机科学 2023-07-31 Nadav Torem , Roi Ronen , Yoav Y. Schechner , Michael Elad

While supervised stereo matching and monocular depth estimation have advanced significantly with learning-based algorithms, self-supervised methods using stereo images as supervision signals have received relatively less focus and require…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Zihua Liu , Yizhou Li , Songyan Zhang , Masatoshi Okutomi

Our brain can effortlessly recognize objects even when partially hidden from view. Seeing the visible of the hidden is called amodal completion; however, this task remains a challenge for generative AI despite rapid progress. We propose to…

计算机视觉与模式识别 · 计算机科学 2023-12-27 Katherine Xu , Lingzhi Zhang , Jianbo Shi

To tackle the "reality gap" encountered in Sim-to-Real transfer, this study proposes a diffusion-based framework that minimizes inconsistencies in grasping actions between the simulation settings and realistic environments. The process…

机器人学 · 计算机科学 2024-03-19 Yiwei Li , Zihao Wu , Huaqin Zhao , Tianze Yang , Zhengliang Liu , Peng Shu , Jin Sun , Ramviyas Parasuraman , Tianming Liu

With the success of image generation, generative diffusion models are increasingly adopted for discriminative tasks, as pixel generation provides a unified perception interface. However, directly repurposing the generative denoising process…

计算机视觉与模式识别 · 计算机科学 2025-04-16 Ziqi Pang , Xin Xu , Yu-Xiong Wang

3D object generation from a single image involves estimating the full 3D geometry and texture of unseen views from an unposed RGB image captured in the wild. Accurately reconstructing an object's complete 3D structure and texture has…

计算机视觉与模式识别 · 计算机科学 2024-11-21 Hritam Basak , Hadi Tabatabaee , Shreekant Gayaka , Ming-Feng Li , Xin Yang , Cheng-Hao Kuo , Arnie Sen , Min Sun , Zhaozheng Yin

Anomaly detection has garnered extensive applications in real industrial manufacturing due to its remarkable effectiveness and efficiency. However, previous generative-based models have been limited by suboptimal reconstruction quality,…

计算机视觉与模式识别 · 计算机科学 2025-05-20 Hui Zhang , Zheng Wang , Dan Zeng , Zuxuan Wu , Yu-Gang Jiang

Applying pre-trained generative denoising diffusion models (DDMs) for downstream tasks such as image semantic editing usually requires either fine-tuning DDMs or learning auxiliary editing networks in the existing literature. In this work,…

计算机视觉与模式识别 · 计算机科学 2023-10-19 Ye Zhu , Yu Wu , Zhiwei Deng , Olga Russakovsky , Yan Yan

Gaussian Splatting has become a popular technique for various 3D Computer Vision tasks, including novel view synthesis, scene reconstruction, and dynamic scene rendering. However, the challenge of natural-looking object insertion, where the…

计算机视觉与模式识别 · 计算机科学 2026-05-04 Vsevolod Skorokhodov , Nikita Durasov , Pascal Fua

In the realm of high-resolution (HR), fine-grained image segmentation, the primary challenge is balancing broad contextual awareness with the precision required for detailed object delineation, capturing intricate details and the finest…

计算机视觉与模式识别 · 计算机科学 2025-07-01 Qian Yu , Peng-Tao Jiang , Hao Zhang , Jinwei Chen , Bo Li , Lihe Zhang , Huchuan Lu

Diffusion Probabilistic Models (DPMs) have shown a powerful capacity of generating high-quality image samples. Recently, diffusion autoencoders (Diff-AE) have been proposed to explore DPMs for representation learning via autoencoding. Their…

计算机视觉与模式识别 · 计算机科学 2023-03-02 Zijian Zhang , Zhou Zhao , Zhijie Lin

We propose a general framework for conditional sampling in PDE-based inverse problems, targeting the recovery of whole solutions from extremely sparse or noisy measurements. This is accomplished by a function-space diffusion model and…

In this work we investigate the problem of uncertainty estimation for image-guided depth completion. We extend Deep Basis Fitting (DBF) for depth completion within a Bayesian evidence framework to provide calibrated per-pixel variance. The…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Chao Qu , Wenxin Liu , Camillo J. Taylor

Depth estimation is a fundamental task in 3D geometry. While stereo depth estimation can be achieved through triangulation methods, it is not as straightforward for monocular methods, which require the integration of global and local…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Jinchang Zhang , Ningning Xu , Hao Zhang , Guoyu Lu

Depth completion, the technique of estimating a dense depth image from sparse depth measurements, has a variety of applications in robotics and autonomous driving. However, depth completion faces 3 main challenges: the irregularly spaced…

计算机视觉与模式识别 · 计算机科学 2018-07-04 Fangchang Ma , Guilherme Venturelli Cavalheiro , Sertac Karaman

Nine-degrees-of-freedom (9-DoF) object pose and size estimation is crucial for enabling augmented reality and robotic manipulation. Category-level methods have received extensive research attention due to their potential for generalization…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Jian Liu , Wei Sun , Hui Yang , Pengchao Deng , Chongpei Liu , Nicu Sebe , Hossein Rahmani , Ajmal Mian