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We present a new method for training pedestrian detectors on an unannotated set of images. We produce a mixed reality dataset that is composed of real-world background images and synthetically generated static human-agents. Our approach is…

计算机视觉与模式识别 · 计算机科学 2017-11-15 Ernest C. Cheung , Tsan Kwong Wong , Aniket Bera , Dinesh Manocha

Image synthesis driven by computer graphics achieved recently a remarkable realism, yet synthetic image data generated this way reveals a significant domain gap with respect to real-world data. This is especially true in autonomous driving…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Artem Savkin , Rachid Ellouze , Nassir Navab , Federico Tombari

Scene Text Recognition (STR) models have achieved high performance in recent years on benchmark datasets where text images are presented with minimal noise. Traditional STR recognition pipelines take a cropped image as sole input and…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Joshua Cesare Placidi , Yishu Miao , Zixu Wang , Lucia Specia

For best performance, today's semantic segmentation methods use large and carefully labeled datasets, requiring expensive annotation budgets. In this work, we show that coarse annotation is a low-cost but highly effective alternative for…

计算机视觉与模式识别 · 计算机科学 2022-12-16 Anurag Das , Yongqin Xian , Yang He , Zeynep Akata , Bernt Schiele

Scene Text Recognition is a challenging problem because of irregular styles and various distortions. This paper proposed an end-to-end trainable model consists of a finer rectification module and a bidirectional attentional recognition…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Gang Wang

In this work we present a framework for the recognition of natural scene text. Our framework does not require any human-labelled data, and performs word recognition on the whole image holistically, departing from the character based…

计算机视觉与模式识别 · 计算机科学 2014-12-10 Max Jaderberg , Karen Simonyan , Andrea Vedaldi , Andrew Zisserman

The ability to recognize and reason about text embedded in visual inputs is often lacking in vision-and-language (V&L) models, perhaps because V&L pre-training methods have often failed to include such an ability in their training…

计算机视觉与模式识别 · 计算机科学 2023-08-22 Jihyung Kil , Soravit Changpinyo , Xi Chen , Hexiang Hu , Sebastian Goodman , Wei-Lun Chao , Radu Soricut

This paper focuses on the problem of script identification in unconstrained scenarios. Script identification is an important prerequisite to recognition, and an indispensable condition for automatic text understanding systems designed for…

计算机视觉与模式识别 · 计算机科学 2016-02-25 Lluis Gomez , Dimosthenis Karatzas

Successive proposals of several self-supervised training schemes continue to emerge, taking one step closer to developing a universal foundation model. In this process, the unsupervised downstream tasks are recognized as one of the…

计算机视觉与模式识别 · 计算机科学 2024-11-01 Sonal Kumar , Arijit Sur , Rashmi Dutta Baruah

Methods for object detection and segmentation rely on large scale instance-level annotations for training, which are difficult and time-consuming to collect. Efforts to alleviate this look at varying degrees and quality of supervision.…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Siddhesh Khandelwal , Raghav Goyal , Leonid Sigal

The prevalent scene text detection approach follows four sequential steps comprising character candidate detection, false character candidate removal, text line extraction, and text line verification. However, errors occur and accumulate…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Shangxuan Tian , Yifeng Pan , Chang Huang , Shijian Lu , Kai Yu , Chew Lim Tan

During the last half decade, convolutional neural networks (CNNs) have triumphed over semantic segmentation, which is one of the core tasks in many applications such as autonomous driving and augmented reality. However, to train CNNs…

计算机视觉与模式识别 · 计算机科学 2019-01-11 Yang Zhang , Philip David , Hassan Foroosh , Boqing Gong

Scene text image super-resolution has significantly improved the accuracy of scene text recognition. However, many existing methods emphasize performance over efficiency and ignore the practical need for lightweight solutions in deployment…

计算机视觉与模式识别 · 计算机科学 2024-03-21 LeoWu TomyEnrique , Xiangcheng Du , Kangliang Liu , Han Yuan , Zhao Zhou , Cheng Jin

Deep learning techniques have been widely used in autonomous driving systems for the semantic understanding of urban scenes. However, they need a huge amount of labeled data for training, which is difficult and expensive to acquire. A…

计算机视觉与模式识别 · 计算机科学 2020-03-03 Umberto Michieli , Matteo Biasetton , Gianluca Agresti , Pietro Zanuttigh

Sketches make an intuitive and powerful visual expression as they are fast executed freehand drawings. We present a method for synthesizing realistic photos from scene sketches. Without the need for sketch and photo pairs, our framework…

计算机视觉与模式识别 · 计算机科学 2022-09-08 Jiayun Wang , Sangryul Jeon , Stella X. Yu , Xi Zhang , Himanshu Arora , Yu Lou

Scene text recognition (STR) task has a common practice: All state-of-the-art STR models are trained on large synthetic data. In contrast to this practice, training STR models only on fewer real labels (STR with fewer labels) is important…

计算机视觉与模式识别 · 计算机科学 2021-06-08 Jeonghun Baek , Yusuke Matsui , Kiyoharu Aizawa

We present an unsupervised adaptation approach for visual scene understanding in unstructured traffic environments. Our method is designed for unstructured real-world scenarios with dense and heterogeneous traffic consisting of cars,…

计算机视觉与模式识别 · 计算机科学 2025-02-13 Divya Kothandaraman , Rohan Chandra , Dinesh Manocha

Inspired by deep convolution segmentation algorithms, scene text detectors break the performance ceiling of datasets steadily. However, these methods often encounter threshold selection bottlenecks and have poor performance on text…

计算机视觉与模式识别 · 计算机科学 2023-08-17 Guiqin Zhao

Sign language pre-training has gained increasing attention for its ability to enhance performance across various sign language understanding (SLU) tasks. However, existing methods often suffer from a gap between pre-training and…

计算机视觉与模式识别 · 计算机科学 2025-03-14 Zecheng Li , Wengang Zhou , Weichao Zhao , Kepeng Wu , Hezhen Hu , Houqiang Li

Scene Text Recognition (STR), the task of recognizing text against complex image backgrounds, is an active area of research. Current state-of-the-art (SOTA) methods still struggle to recognize text written in arbitrary shapes. In this…

计算机视觉与模式识别 · 计算机科学 2020-03-26 Ron Litman , Oron Anschel , Shahar Tsiper , Roee Litman , Shai Mazor , R. Manmatha