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We propose a systematic learning-based approach to the generation of massive quantities of synthetic 3D scenes and arbitrary numbers of photorealistic 2D images thereof, with associated ground truth information, for the purposes of…

计算机视觉与模式识别 · 计算机科学 2018-06-21 Chenfanfu Jiang , Siyuan Qi , Yixin Zhu , Siyuan Huang , Jenny Lin , Lap-Fai Yu , Demetri Terzopoulos , Song-Chun Zhu

Deep models trained using synthetic data require domain adaptation to bridge the gap between the simulation and target environments. State-of-the-art domain adaptation methods often demand sufficient amounts of (unlabelled) data from the…

计算机视觉与模式识别 · 计算机科学 2024-10-28 Mohsi Jawaid , Ethan Elms , Yasir Latif , Tat-Jun Chin

Estimating the pose of animals can facilitate the understanding of animal motion which is fundamental in disciplines such as biomechanics, neuroscience, ethology, robotics and the entertainment industry. Human pose estimation models have…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Moira Shooter , Charles Malleson , Adrian Hilton

Loss functions play a crucial role in deep metric learning thus a variety of them have been proposed. Some supervise the learning process by pairwise or tripletwise similarity constraints while others take advantage of structured similarity…

机器学习 · 计算机科学 2019-11-25 Xinshao Wang , Elyor Kodirov , Yang Hua , Neil Robertson

In order to accurately identify the performance status of mobile devices and finely adjust the user experience, a real-time performance perception evaluation method based on TOPSIS (Technique for Order Preference by Similarity to Ideal…

Maintaining an up-to-date map to reflect recent changes in the scene is very important, particularly in situations involving repeated traversals by a robot operating in an environment over an extended period. Undetected changes may cause a…

机器人学 · 计算机科学 2022-07-18 Jingxing Qian , Veronica Chatrath , Jun Yang , James Servos , Angela P. Schoellig , Steven L. Waslander

This study investigates the effectiveness of synthetic data for sim-to-real transfer in object detection under constrained data conditions and embedded deployment requirements. Synthetic datasets were generated in NVIDIA Isaac Sim and…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Martina Hutter-Mironovova

Synthetic medical image data can unlock the potential of deep learning (DL)-based clinical decision support (CDS) systems through the creation of large scale, privacy-preserving, training sets. Despite the significant progress in this…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Panagiota Gatoula , George Dimas , Dimitris K. Iakovidis

We present an overview and evaluation of a new, systematic approach for generation of highly realistic, annotated synthetic data for training of deep neural networks in computer vision tasks. The main contribution is a procedural world…

计算机视觉与模式识别 · 计算机科学 2017-10-19 Apostolia Tsirikoglou , Joel Kronander , Magnus Wrenninge , Jonas Unger

Both appearance cue and constraint cue are vital for human pose estimation. However, there is a tendency in most existing works to overfitting the former and overlook the latter. In this paper, we propose Augmentation by Information…

计算机视觉与模式识别 · 计算机科学 2020-11-18 Junjie Huang , Zheng Zhu , Guan Huang , Dalong Du

Estimating 3D humans from images often produces implausible bodies that lean, float, or penetrate the floor. Such methods ignore the fact that bodies are typically supported by the scene. A physics engine can be used to enforce physical…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Shashank Tripathi , Lea Müller , Chun-Hao P. Huang , Omid Taheri , Michael J. Black , Dimitrios Tzionas

We propose a novel iterative approach for crossing the reality gap that utilises live robot rollouts and differentiable physics. Our method, RealityGrad, demonstrates for the first time, an efficient sim2real transfer in combination with a…

机器人学 · 计算机科学 2021-09-13 Jack Collins , Ross Brown , Jürgen Leitner , David Howard

Fr\'echet Inception Distance (FID) is the primary metric for ranking models in data-driven generative modeling. While remarkably successful, the metric is known to sometimes disagree with human judgement. We investigate a root cause of…

计算机视觉与模式识别 · 计算机科学 2023-02-15 Tuomas Kynkäänniemi , Tero Karras , Miika Aittala , Timo Aila , Jaakko Lehtinen

The success of deep learning-based generative models in producing realistic images, videos, and audios has led to a crucial consideration: how to effectively assess the quality of synthetic samples. While the Fr\'{e}chet Inception Distance…

机器学习 · 计算机科学 2024-03-12 Yang Chen , Dustin J. Kempton , Rafal A. Angryk

Grasp detection in cluttered scenes is a very challenging task for robots. Generating synthetic grasping data is a popular way to train and test grasp methods, as is Dex-net and GraspNet; yet, these methods generate training grasps on 3D…

机器人学 · 计算机科学 2023-02-22 Dexin Wang , Faliang Chang , Chunsheng Liu , Rurui Yang , Nanjun Li , Hengqiang Huan

Objective measures of image quality generally operate by comparing pixels of a "degraded" image to those of the original. Relative to human observers, these measures are overly sensitive to resampling of texture regions (e.g., replacing one…

计算机视觉与模式识别 · 计算机科学 2021-01-25 Keyan Ding , Kede Ma , Shiqi Wang , Eero P. Simoncelli

3D cameras have emerged as a critical source of information for applications in robotics and autonomous driving. These cameras provide robots with the ability to capture and utilize point clouds, enabling them to navigate their surroundings…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Vage Taamazyan , Alberto Dall'olio , Agastya Kalra

This manuscript demonstrates an improved model-based approach for synthetic degradation of previously captured eye movement signals. Signals recorded on a high-quality eye tracking sensor are transformed such that their resulting eye…

人机交互 · 计算机科学 2023-06-16 Henry Griffith , Samantha Aziz , Dillon J Lohr , Oleg Komogortsev

Knowledge distillation is widely adopted in semantic segmentation to reduce the computation cost.The previous knowledge distillation methods for semantic segmentation focus on pixel-wise feature alignment and intra-class feature variation…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Zhengbo Zhang , Chunluan Zhou , Zhigang Tu

Reliable simulation evaluation of robot manipulation policies serves as a high-fidelity proxy for real-world performance. Although existing benchmarks cover a wide range of task categories, they lack visual realism, creating a large domain…

机器人学 · 计算机科学 2026-05-08 Yixin Zhu , Zixiong Wang , Jian Yang , Jin Xie , Jingyi Yu , Jiayuan Gu , Beibei Wang