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Semivalue-based data valuation uses cooperative-game theory intuitions to assign each data point a value reflecting its contribution to a downstream task. Still, those values depend on the practitioner's choice of utility, raising the…

Artificial Intelligence · Computer Science 2026-03-11 Mélissa Tamine , Benjamin Heymann , Maxime Vono , Patrick Loiseau

We present a new multi-dimensional data structure, which we call the skip quadtree (for point data in R^2) or the skip octree (for point data in R^d, with constant d>2). Our data structure combines the best features of two well-known data…

Computational Geometry · Computer Science 2007-05-23 David Eppstein , Michael T. Goodrich , Jonathan Z. Sun

Deep learning belongs to the field of artificial intelligence, where machines perform tasks that typically require some kind of human intelligence. Similar to the basic structure of a brain, a deep learning algorithm consists of an…

Digital Libraries · Computer Science 2021-11-18 Jan Egger , Antonio Pepe , Christina Gsaxner , Yuan Jin , Jianning Li , Roman Kern

As organizations face the challenges of processing exponentially growing data volumes, their reliance on analytics to unlock value from this data has intensified. However, the intricacies of big data, such as its extensive feature sets,…

Human-Computer Interaction · Computer Science 2024-05-14 Joshua Holstein , Philipp Spitzer , Marieke Hoell , Michael Vössing , Niklas Kühl

We investigate nonparametric regression methods based on spatial depth and quantiles when the response and the covariate are both functions. As in classical quantile regression for finite dimensional data, regression techniques developed…

Methodology · Statistics 2018-02-14 Joydeep Chowdhury , Probal Chaudhuri

Self-supervised depth estimation has made a great success in learning depth from unlabeled image sequences. While the mappings between image and pixel-wise depth are well-studied in current methods, the correlation between image, depth and…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Rui Li , Xiantuo He , Danna Xue , Shaolin Su , Qing Mao , Yu Zhu , Jinqiu Sun , Yanning Zhang

It is difficult to collect data on a large scale in a monocular depth estimation because the task requires the simultaneous acquisition of RGB images and depths. Data augmentation is thus important to this task. However, there has been…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Yasunori Ishii , Takayoshi Yamashita

Multi-view stereo (MVS) is the golden mean between the accuracy of active depth sensing and the practicality of monocular depth estimation. Cost volume based approaches employing 3D convolutional neural networks (CNNs) have considerably…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Ayan Sinha , Zak Murez , James Bartolozzi , Vijay Badrinarayanan , Andrew Rabinovich

Personalization is being applied to great extend in many systems. This paper presents a multi-dimensional user data model and its application in web search. Online and Offline activities of the user are tracked for creating the user model.…

Information Retrieval · Computer Science 2013-06-20 Nithin K. Anil , Sharath Basil Kurian , Aby Abahai T , Surekha Mariam Varghese

The width measure treedepth, also known as vertex ranking, centered coloring and elimination tree height, is a well-established notion which has recently seen a resurgence of interest. Since graphs of bounded treedepth are more restricted…

Computational Complexity · Computer Science 2016-08-09 Li-Hsuan Chen , Felix Reidl , Peter Rossmanith , Fernando Sánchez Villaamil

We propose a general approach to construct weighted likelihood estimating equations with the aim of obtain robust estimates. The weight, attached to each score contribution, is evaluated by comparing the statistical data depth at the model…

Methodology · Statistics 2018-02-16 Claudio Agostinelli

Depth is a concept that measures the `centrality' of a point in a given data cloud or in a given probability distribution. Every depth defines a family of so-called trimmed regions. For statistical applications it is desirable that with…

Statistics Theory · Mathematics 2017-04-13 Rainer Dyckerhoff

Most deep learning models are based on deep neural networks with multiple layers between input and output. The parameters defining these layers are initialized using random values and are "learned" from data, typically using stochastic…

Machine Learning · Computer Science 2019-03-05 Prakash Mohan , Marc T. Henry de Frahan , Ryan King , Ray W. Grout

Structure-based drug design (SBDD) leverages the three-dimensional geometry of proteins to identify potential drug candidates. Traditional approaches, rooted in physicochemical modeling and domain expertise, are often resource-intensive.…

Quantitative Methods · Quantitative Biology 2024-11-19 Zaixi Zhang , Jiaxian Yan , Yining Huang , Qi Liu , Enhong Chen , Mengdi Wang , Marinka Zitnik

Representations in the form of Symmetric Positive Definite (SPD) matrices have been popularized in a variety of visual learning applications due to their demonstrated ability to capture rich second-order statistics of visual data. There…

Endoscopic depth estimation is a critical technology for improving the safety and precision of minimally invasive surgery. It has attracted considerable attention from researchers in medical imaging, computer vision, and robotics. Over the…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Ke Niu , Zeyun Liu , Xue Feng , Heng Li , Qika Lin , Kaize Shi

Accurate identification and localization of the vertebrae in CT scans is a critical and standard preprocessing step for clinical spinal diagnosis and treatment. Existing methods are mainly based on the integration of multiple neural…

Image and Video Processing · Electrical Eng. & Systems 2020-01-03 Chunli Qin , Demin Yao , Han Zhuang , Hui Wang , Yonghong Shi , Zhijian Song

Frequentist statistical methods, such as hypothesis testing, are standard practice in papers that provide benchmark comparisons. Unfortunately, these methods have often been misused, e.g., without testing for their statistical test…

Methodology · Statistics 2021-05-18 David Issa Mattos , Jan Bosch , Helena Holmström Olsson

This paper aims at understanding the role of multi-scale information in the estimation of depth from monocular images. More precisely, the paper investigates four different deep CNN architectures, designed to explicitly make use of…

Computer Vision and Pattern Recognition · Computer Science 2018-06-11 Michel Moukari , Sylvaine Picard , Loic Simon , Frédéric Jurie

Depth estimation from a single image represents a very exciting challenge in computer vision. While other image-based depth sensing techniques leverage on the geometry between different viewpoints (e.g., stereo or structure from motion),…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Pierluigi Zama Ramirez , Matteo Poggi , Fabio Tosi , Stefano Mattoccia , Luigi Di Stefano
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