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Change captioning tasks aim to detect changes in image pairs observed before and after a scene change and generate a natural language description of the changes. Existing change captioning studies have mainly focused on a single…

Computer Vision and Pattern Recognition · Computer Science 2021-09-16 Yue Qiu , Shintaro Yamamoto , Kodai Nakashima , Ryota Suzuki , Kenji Iwata , Hirokatsu Kataoka , Yutaka Satoh

Camera calibration is a crucial step in robotics and computer vision. Accurate camera parameters are necessary to achieve robust applications. Nowadays, camera calibration process consists of adjusting a set of data to a pin-hole model,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Carlos Ricolfe-Viala , Alicia Esparza

Accurate segmentation of critical anatomical structures is at the core of medical image analysis. The main bottleneck lies in gathering the requisite expert-labeled image annotations in a scalable manner. Methods that permit to produce…

Computer Vision and Pattern Recognition · Computer Science 2020-07-09 Yuhang Lu , Weijian Li , Kang Zheng , Yirui Wang , Adam P. Harrison , Chihung Lin , Song Wang , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao

This paper derives a novel linear position constraint for cameras seeing a common scene point, which leads to a direct linear method for global camera translation estimation. Unlike previous solutions, this method deals with collinear…

Computer Vision and Pattern Recognition · Computer Science 2015-09-07 Zhaopeng Cui , Nianjuan Jiang , Chengzhou Tang , Ping Tan

Camera localization is a classical computer vision task that serves various Artificial Intelligence and Robotics applications. With the rapid developments of Deep Neural Networks (DNNs), end-to-end visual localization methods are prosperous…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Xudong Zhang , Shuang Gao , Xiaohu Nan , Haikuan Ning , Yuchen Yang , Yishan Ping , Jixiang Wan , Shuzhou Dong , Jijunnan Li , Yandong Guo

Monocular camera sensors are vital to intelligent vehicle operation and automated driving assistance and are also heavily employed in traffic control infrastructure. Calibrating the monocular camera, though, is time-consuming and often…

Computer Vision and Pattern Recognition · Computer Science 2022-08-09 Alexander Tsaregorodtsev , Johannes Müller , Jan Strohbeck , Martin Herrmann , Michael Buchholz , Vasileios Belagiannis

The problem of calibration from straight lines is fundamental in geometric computer vision, with well-established theoretical foundations. However, its practical applicability remains limited, particularly in real-world outdoor scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Gregory Schroeder , Mohamed Sabry , Cristina Olaverri-Monreal

A conventional camera performs various signal processing steps sequentially to reconstruct an image from a raw Bayer image. When performing these processing in multiple stages the residual error from each stage accumulates in the image and…

Image and Video Processing · Electrical Eng. & Systems 2019-08-27 Sivalogeswaran Ratnasingam

In this paper, we study the problem of text line recognition. Unlike most approaches targeting specific domains such as scene-text or handwritten documents, we investigate the general problem of developing a universal architecture that can…

Computer Vision and Pattern Recognition · Computer Science 2021-04-23 Daniel Hernandez Diaz , Siyang Qin , Reeve Ingle , Yasuhisa Fujii , Alessandro Bissacco

Camera-controllable video generation aims to synthesize videos with flexible and physically plausible camera movements. However, existing methods either provide imprecise camera control from text prompts or rely on labor-intensive manual…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Haoyu Zhao , Zihao Zhang , Jiaxi Gu , Haoran Chen , Qingping Zheng , Pin Tang , Yeyin Jin , Yuang Zhang , Junqi Cheng , Zenghui Lu , Peng Shu , Zuxuan Wu , Yu-Gang Jiang

The task of camera calibration is to estimate the intrinsic and extrinsic parameters of a camera model. Though there are some restricted techniques to infer the 3-D information about the scene from uncalibrated cameras, effective camera…

Computer Vision and Pattern Recognition · Computer Science 2016-08-31 Lili Ma , YangQuan Chen , Kevin L. Moore

In this paper, we propose a method using the fusion of CNN and transformer structure to improve image classification performance. In the case of CNN, information about a local area on an image can be extracted well, but there is a limit to…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Keong Hun Choi , Jin Woo Kim , Yao Wang , Jong Eun Ha

We present a novel usage of Transformers to make image classification interpretable. Unlike mainstream classifiers that wait until the last fully connected layer to incorporate class information to make predictions, we investigate a…

Image classification is a fundamental task in computer vision with diverse applications, ranging from autonomous systems to medical imaging. The CIFAR-10 dataset is a widely used benchmark to evaluate the performance of classification…

Computer Vision and Pattern Recognition · Computer Science 2025-02-04 Xiaoran Yang , Shuhan Yu , Wenxi Xu

The Convolutional Neural Network (CNN) has achieved great success in image classification. The classification model can also be utilized at image or patch level for many other applications, such as object detection and segmentation. In this…

Computer Vision and Pattern Recognition · Computer Science 2014-12-23 Jun Yuan , Bingbing Ni , Ashraf A. Kassim

Transformer is a potentially powerful architecture for vision tasks. Although equipped with more parameters and attention mechanism, its performance is not as dominant as CNN currently. CNN is usually computationally cheaper and still the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Bei Tong , Xiaoyuan Yu

The usage of convolutional neural networks (CNNs) for unsupervised image segmentation was investigated in this study. In the proposed approach, label prediction and network parameter learning are alternately iterated to meet the following…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Wonjik Kim , Asako Kanezaki , Masayuki Tanaka

Accurate segmentation of anatomical structures is vital for medical image analysis. The state-of-the-art accuracy is typically achieved by supervised learning methods, where gathering the requisite expert-labeled image annotations in a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Yuhang Lu , Kang Zheng , Weijian Li , Yirui Wang , Adam P. Harrison , Chihung Lin , Song Wang , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao

While deep convolutional neural networks (CNNs) have shown a great success in single-label image classification, it is important to note that real world images generally contain multiple labels, which could correspond to different objects,…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Jiang Wang , Yi Yang , Junhua Mao , Zhiheng Huang , Chang Huang , Wei Xu

Image editing and compositing have become ubiquitous in entertainment, from digital art to AR and VR experiences. To produce beautiful composites, the camera needs to be geometrically calibrated, which can be tedious and requires a physical…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Yannick Hold-Geoffroy , Dominique Piché-Meunier , Kalyan Sunkavalli , Jean-Charles Bazin , François Rameau , Jean-François Lalonde