English
Related papers

Related papers: DTrOCR: Decoder-only Transformer for Optical Chara…

200 papers

Scene text recognition has been an important, active research topic in computer vision for years. Previous approaches mainly consider text as 1D signals and cast scene text recognition as a sequence prediction problem, by feat of CTC or…

Computer Vision and Pattern Recognition · Computer Science 2019-07-24 Zhaoyi Wan , Fengming Xie , Yibo Liu , Xiang Bai , Cong Yao

Visual place recognition (VPR) aims to determine the general geographical location of a query image by retrieving visually similar images from a large geo-tagged database. To obtain a global representation for each place image, most…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Tong Jin , Feng Lu , Shuyu Hu , Chun Yuan , Yunpeng Liu

Texts from scene images typically consist of several characters and exhibit a characteristic sequence structure. Existing methods capture the structure with the sequence-to-sequence models by an encoder to have the visual representations…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Xiangcheng Du , Tianlong Ma , Yingbin Zheng , Hao Ye , Xingjiao Wu , Liang He

DETR is the first fully end-to-end detector that predicts a final set of predictions without post-processing. However, it suffers from problems such as low performance and slow convergence. A series of works aim to tackle these issues in…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Junyu Lin , Xiaofeng Mao , Yuefeng Chen , Lei Xu , Yuan He , Hui Xue

Cross-model retrieval has emerged as one of the most important upgrades for text-only search engines (SE). Recently, with powerful representation for pairwise text-image inputs via early interaction, the accuracy of vision-language (VL)…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Lisai Zhang , Hongfa Wu , Qingcai Chen , Yimeng Deng , Zhonghua Li , Dejiang Kong , Zhao Cao , Joanna Siebert , Yunpeng Han

Referring image segmentation is a fundamental vision-language task that aims to segment out an object referred to by a natural language expression from an image. One of the key challenges behind this task is leveraging the referring…

Computer Vision and Pattern Recognition · Computer Science 2022-04-07 Zhao Yang , Jiaqi Wang , Yansong Tang , Kai Chen , Hengshuang Zhao , Philip H. S. Torr

In this work, we propose a new framework, called Document Image Transformer (DocTr), to address the issue of geometry and illumination distortion of the document images. Specifically, DocTr consists of a geometric unwarping transformer and…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Hao Feng , Yuechen Wang , Wengang Zhou , Jiajun Deng , Houqiang Li

Efforts on the research and development of OCR systems for Low-Resource Languages are relatively new. Low-resource languages have little training data available for training Machine Translation systems or other systems. Even though a vast…

Computation and Language · Computer Science 2024-04-04 S M Rakib Hasan , Aakar Dhakal , Md Humaion Kabir Mehedi , Annajiat Alim Rasel

Leveraging the advances of natural language processing, most recent scene text recognizers adopt an encoder-decoder architecture where text images are first converted to representative features and then a sequence of characters via…

Computer Vision and Pattern Recognition · Computer Science 2022-12-20 Chuhui Xue , Jiaxing Huang , Wenqing Zhang , Shijian Lu , Changhu Wang , Song Bai

Decoder-only language models (LMs) have been successfully adopted for speech-processing tasks including automatic speech recognition (ASR). The LMs have ample expressiveness and perform efficiently. This efficiency is a suitable…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-02 Emiru Tsunoo , Hayato Futami , Yosuke Kashiwagi , Siddhant Arora , Shinji Watanabe

Machine transliteration is the process of automatically transforming the script of a word from a source language to a target language, while preserving pronunciation. Sequence to sequence learning has recently emerged as a new paradigm in…

Computation and Language · Computer Science 2016-09-15 Amir H. Jadidinejad

There are many difficulties facing a handwritten Arabic recognition system such as unlimited variation in human handwriting, similarities of distinct character shapes, interconnections of neighbouring characters and their position in the…

Computer Vision and Pattern Recognition · Computer Science 2014-02-27 Ahmed Sahlol , Cheng Suen

Image of a scene captured through a piece of transparent and reflective material, such as glass, is often spoiled by a superimposed layer of reflection image. While separating the reflection from a familiar object in an image is mentally…

Computer Vision and Pattern Recognition · Computer Science 2018-02-02 Zhixiang Chi , Xiaolin Wu , Xiao Shu , Jinjin Gu

Diagram object detection is the key basis of practical applications such as textbook question answering. Because the diagram mainly consists of simple lines and color blocks, its visual features are sparser than those of natural images. In…

Computer Vision and Pattern Recognition · Computer Science 2023-01-02 Xin Hu , Lingling Zhang , Jun Liu , Jinfu Fan , Yang You , Yaqiang Wu

The autoencoder model typically uses an encoder to map data to a lower dimensional latent space and a decoder to reconstruct it. However, relying on an encoder for inversion can lead to suboptimal representations, particularly limiting in…

Machine Learning · Statistics 2025-01-07 Kyriakos Flouris , Anna Volokitin , Gustav Bredell , Ender Konukoglu

The Transformer translation model is based on the multi-head attention mechanism, which can be parallelized easily. The multi-head attention network performs the scaled dot-product attention function in parallel, empowering the model by…

Computation and Language · Computer Science 2021-09-13 Hongfei Xu , Qiuhui Liu , Josef van Genabith , Deyi Xiong

Reading irregular scene text of arbitrary shape in natural images is still a challenging problem, despite the progress made recently. Many existing approaches incorporate sophisticated network structures to handle various shapes, use extra…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 Lu Yang , Fan Dang , Peng Wang , Hui Li , Zhen Li , Yanning Zhang

DETR has been recently proposed to eliminate the need for many hand-designed components in object detection while demonstrating good performance. However, it suffers from slow convergence and limited feature spatial resolution, due to the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-19 Xizhou Zhu , Weijie Su , Lewei Lu , Bin Li , Xiaogang Wang , Jifeng Dai

Open-vocabulary object detection (OVOD) enables models to recognize objects beyond predefined categories, but existing approaches remain limited in practical deployment. On the one hand, multimodal designs often incur substantial…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Siheng Wang , Yanshu Li , Bohan Hu , Zhengdao Li , Haibo Zhan , Linshan Li , Weiming Liu , Ruizhi Qian , Guangxin Wu , Hao Zhang , Jifeng Shen , Piotr Koniusz , Zhengtao Yao , Junhao Dong , Qiang Sun

Traditional image compression methods aim to reconstruct images for human perception, prioritizing visual fidelity over task relevance. In contrast, Coding for Machines focuses on preserving information essential for automated…

Image and Video Processing · Electrical Eng. & Systems 2025-10-16 Stefano Della Fiore , Alessandro Gnutti , Marco Dalai , Pierangelo Migliorati , Riccardo Leonardi