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Depth estimation is a fundamental problem in light field processing. Epipolar-plane image (EPI)-based methods often encounter challenges such as low accuracy in slope computation due to discretization errors and limited angular resolution.…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Ping Zhou , Langqing Shi , Xiaoyang Liu , Jing Jin , Yuting Zhang , Junhui Hou

Regression-based methods for 3D human pose estimation directly predict the 3D pose parameters from a 2D image using deep networks. While achieving state-of-the-art performance on standard benchmarks, their performance degrades under…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yi Zhang , Pengliang Ji , Angtian Wang , Jieru Mei , Adam Kortylewski , Alan Yuille

Leveraging rich information is crucial for dense prediction tasks. Light field (LF) cameras are instrumental in this regard, as they allow data to be sampled from various perspectives. This capability provides valuable spatial, depth, and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Fei Teng , Jiaming Zhang , Jiawei Liu , Kunyu Peng , Xina Cheng , Zhiyong Li , Kailun Yang

3D scene flow estimation is a vital tool in perceiving our environment given depth or range sensors. Unlike optical flow, the data is usually sparse and in most cases partially occluded in between two temporal samplings. Here we propose a…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Bojun Ouyang , Dan Raviv

Accurate 6D object pose estimation is vital for robotics, augmented reality, and scene understanding. For seen objects, high accuracy is often attainable via per-object fine-tuning but generalizing to unseen objects remains a challenge. To…

Computer Vision and Pattern Recognition · Computer Science 2025-11-21 Sajjad Pakdamansavoji , Yintao Ma , Amir Rasouli , Tongtong Cao

Occlusions hinder point cloud frame alignment in LiDAR data, a challenge inadequately addressed by scene flow models tested mainly on occlusion-free datasets. Attempts to integrate occlusion handling within networks often suffer accuracy…

Computer Vision and Pattern Recognition · Computer Science 2024-04-17 Jingze Chen , Junfeng Yao , Qiqin Lin , Lei Li

Pedestrian detection in the wild remains a challenging problem especially for scenes containing serious occlusion. In this paper, we propose a novel feature learning method in the deep learning framework, referred to as Feature Calibration…

Computer Vision and Pattern Recognition · Computer Science 2022-12-13 Tianliang Zhang , Qixiang Ye , Baochang Zhang , Jianzhuang Liu , Xiaopeng Zhang , Qi Tian

We propose a novel training-free image generation algorithm that precisely controls the occlusion relationships between objects in an image. Existing image generation methods typically rely on prompts to influence occlusion, which often…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Xiaohang Zhan , Dingming Liu

The abundant spatial and angular information from light fields has allowed the development of multiple disparity estimation approaches. However, the acquisition of light fields requires high storage and processing cost, limiting the use of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Emmanuel Martinez , Edwin Vargas , Henry Arguello

In this paper, a progress recognition method consider occlusion using deep metric learning is proposed to visualize the product assembly process in a factory. First, the target assembly product is detected from images acquired from a…

Computer Vision and Pattern Recognition · Computer Science 2025-01-08 Takumi Kitsukawa , Kazuma Miura , Shigeki Yumoto , Sarthak Pathak , Alessandro Moro , Kazunori Umeda

Self-supervised monocular depth estimation methods generally suffer the occlusion fading issue due to the lack of supervision by the per pixel ground truth. Although a post-processing method was proposed by Godard et. al. to reduce the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-27 Kuo-Shiuan Peng , Gregory Ditzler , Jerzy Rozenblit

Semantic segmentation serves as a cornerstone of scene understanding in autonomous driving but continues to face significant challenges under complex conditions such as occlusion. Light field and LiDAR modalities provide complementary…

Computer Vision and Pattern Recognition · Computer Science 2026-04-16 Jie Luo , Yuxuan Jiang , Xin Jin , Mingyu Liu , Yihui Fan

We consider the problem of active 3D imaging using single-shot structured light systems, which are widely employed in commercial 3D sensing devices such as Apple Face ID and Intel RealSense. Traditional structured light methods typically…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Jiaheng Li , Qiyu Dai , Lihan Li , Praneeth Chakravarthula , He Sun , Baoquan Chen , Wenzheng Chen

In this paper, we present a learning-based framework for sparse depth video completion. Given a sparse depth map and a color image at a certain viewpoint, our approach makes a cost volume that is constructed on depth hypothesis planes. To…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Jungeon Kim , Soongjin Kim , Jaesik Park , Seungyong Lee

Pairwise matching cost aggregation is a crucial step for modern learning-based Multi-view Stereo (MVS). Prior works adopt an early aggregation scheme, which adds up pairwise costs into an intermediate cost. However, we analyze that this…

Computer Vision and Pattern Recognition · Computer Science 2024-01-25 Jiang Wu , Rui Li , Yu Zhu , Wenxun Zhao , Jinqiu Sun , Yanning Zhang

We show how perceptual embeddings of the visual system can be constructed at inference-time with no training data or deep neural network features. Our perceptual embeddings are solutions to a weighted least squares (WLS) problem, defined at…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Daniel Severo , Lucas Theis , Johannes Ballé

In this paper, we propose a fast deep learning method for object saliency detection using convolutional neural networks. In our approach, we use a gradient descent method to iteratively modify the input images based on the pixel-wise…

Computer Vision and Pattern Recognition · Computer Science 2016-02-02 Hengyue Pan , Hui Jiang

The use of mobile robots in unstructured environments like the agricultural field is becoming increasingly common. The ability for such field robots to proactively identify and avoid failures is thus crucial for ensuring efficiency and…

Robotics · Computer Science 2023-10-02 Andre Schreiber , Tianchen Ji , D. Livingston McPherson , Katherine Driggs-Campbell

In machine learning, the cost function is crucial because it measures how good or bad a system is. In image classification, well-known networks only consider modifying the network structures and applying cross-entropy loss at the end of the…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Trung Dung Do , Cheng-Bin Jin , Hakil Kim , Van Huan Nguyen

Classification of partially occluded images is a highly challenging computer vision problem even for the cutting edge deep learning technologies. To achieve a robust image classification for occluded images, this paper proposes a novel…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Feng Cen , Guanghui Wang
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