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To navigate through urban roads, an automated vehicle must be able to perceive and recognize objects in a three-dimensional environment. A high-level contextual understanding of the surroundings is necessary to plan and execute accurate…

机器人学 · 计算机科学 2020-03-05 Julie Stephany Berrio , Mao Shan , Stewart Worrall , James Ward , Eduardo Nebot

Reading text from natural images is challenging due to the great variety in text font, color, size, complex background and etc.. The perspective distortion and non-linear spatial arrangement of characters make it further difficult. While…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Shangbang Long , Yushuo Guan , Bingxuan Wang , Kaigui Bian , Cong Yao

In this paper, we present a color transfer algorithm to colorize a broad range of gray images without any user intervention. The algorithm uses a machine learning-based approach to automatically colorize grayscale images. The algorithm uses…

图形学 · 计算机科学 2017-04-18 Raj Kumar Gupta , Alex Yong-Sang Chia , Deepu Rajan , Huang Zhiyong

Text-Pedestrian Image Retrieval aims to use the text describing pedestrian appearance to retrieve the corresponding pedestrian image. This task involves not only modality discrepancy, but also the challenge of the textual diversity of…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Huafeng Li , Shedan Yang , Yafei Zhang , Dapeng Tao , Zhengtao Yu

Modern malware evolves various detection avoidance techniques to bypass the state-of-the-art detection methods. An emerging trend to deal with this issue is the combination of image transformation and machine learning techniques to classify…

密码学与安全 · 计算机科学 2019-09-17 Duc-Ly Vu , Trong-Kha Nguyen , Tam V. Nguyen , Tu N. Nguyen , Fabio Massacci , Phu H. Phung

Contrastive Language-Image Pre-training (CLIP) achieves remarkable performance in various downstream tasks through the alignment of image and text input embeddings and holds great promise for anomaly detection. However, our empirical…

计算机视觉与模式识别 · 计算机科学 2024-07-25 Adam Goodge , Bryan Hooi , Wee Siong Ng

Local windows are routinely used in computer vision and almost without exception the center of the window is aligned with the pixels being processed. We show that this conventional wisdom is not universally applicable. When a pixel is on an…

计算机视觉与模式识别 · 计算机科学 2019-05-20 Hui Yin , Yuanhao Gong , Guoping Qiu

Image enhancement is an important image processing technique that processes images suitably for a specific application e.g. image editing. The conventional solutions of image enhancement are grouped into two categories which are spatial…

计算机视觉与模式识别 · 计算机科学 2016-09-14 Hui Li , Xiaomeng Wang , Weifeng Liu , Yanjiang Wang

Text detection and recognition are essential components of a modern OCR system. Most OCR approaches attempt to obtain accurate bounding boxes of text at the detection stage, which is used as the input of the text recognition stage. We…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Jingqun Tang , Wenming Qian , Luchuan Song , Xiena Dong , Lan Li , Xiang Bai

Unsupervised binary representation allows fast data retrieval without any annotations, enabling practical application like fast person re-identification and multimedia retrieval. It is argued that conflicts in binary space are one of the…

计算机视觉与模式识别 · 计算机科学 2020-11-23 Fangrui Liu , Zheng Liu

Texture is an important characteristic for many types of images. In recent years very discriminative and computationally efficient local texture descriptors based on local binary patterns (LBP) have been developed, which has led to…

计算机视觉与模式识别 · 计算机科学 2017-01-17 Matti Pietikäinen , Guoying Zhao

Due to the presence of political echo chambers, it becomes imperative to detect and remove subjective bias and emotionally charged language from both the text and images of political articles. However, prior work has focused on solely the…

计算机与社会 · 计算机科学 2025-06-24 Cedric Bernard , Xavier Pleimling , Amun Kharel , Chase Vickery

Digitally unwrapping images of paper sheets is crucial for accurate document scanning and text recognition. This paper presents a method for automatically rectifying curved or folded paper sheets from a few images captured from multiple…

计算机视觉与模式识别 · 计算机科学 2016-06-02 Shaodi You , Yasuyuki Matsushita , Sudipta Sinha , Yusuke Bou , Katsushi Ikeuchi

This paper addresses text-supervised semantic segmentation, aiming to learn a model capable of segmenting arbitrary visual concepts within images by using only image-text pairs without dense annotations. Existing methods have demonstrated…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Ji-Jia Wu , Andy Chia-Hao Chang , Chieh-Yu Chuang , Chun-Pei Chen , Yu-Lun Liu , Min-Hung Chen , Hou-Ning Hu , Yung-Yu Chuang , Yen-Yu Lin

Hyperspectral images often have hundreds of spectral bands of different wavelengths captured by aircraft or satellites that record land coverage. Identifying detailed classes of pixels becomes feasible due to the enhancement in spectral and…

计算机视觉与模式识别 · 计算机科学 2022-04-21 Raymond H. Chan , Ruoning Li

Text in natural images is of arbitrary orientations, requiring detection in terms of oriented bounding boxes. Normally, a multi-oriented text detector often involves two key tasks: 1) text presence detection, which is a classification…

计算机视觉与模式识别 · 计算机科学 2018-03-15 Minghui Liao , Zhen Zhu , Baoguang Shi , Gui-song Xia , Xiang Bai

We propose Text2Scene, a method to automatically create realistic textures for virtual scenes composed of multiple objects. Guided by a reference image and text descriptions, our pipeline adds detailed texture on labeled 3D geometries in…

计算机视觉与模式识别 · 计算机科学 2023-09-01 Inwoo Hwang , Hyeonwoo Kim , Young Min Kim

While many image colorization algorithms have recently shown the capability of producing plausible color versions from gray-scale photographs, they still suffer from the problems of context confusion and edge color bleeding. To address…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Jiaojiao Zhao , Li Liu , Cees G. M. Snoek , Jungong Han , Ling Shao

We initiate the study of adversarial attacks on models for binary (i.e. black and white) image classification. Although there has been a great deal of work on attacking models for colored and grayscale images, little is known about attacks…

机器学习 · 计算机科学 2020-10-24 Eric Balkanski , Harrison Chase , Kojin Oshiba , Alexander Rilee , Yaron Singer , Richard Wang

Artistic text recognition is an extremely challenging task with a wide range of applications. However, current scene text recognition methods mainly focus on irregular text while have not explored artistic text specifically. The challenges…

计算机视觉与模式识别 · 计算机科学 2022-08-02 Xudong Xie , Ling Fu , Zhifei Zhang , Zhaowen Wang , Xiang Bai