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Transfer Function (TF) generation is a fundamental problem in Direct Volume Rendering (DVR). A TF maps voxels to color and opacity values to reveal inner structures. Existing TF tools are complex and unintuitive for the users who are more…

Graphics · Computer Science 2017-12-01 Naimul Khan , Riadh Ksantini , Ling Guan

Direct volume rendering (DVR) is a fundamental technique for visualizing volumetric data, where transfer functions (TFs) play a crucial role in extracting meaningful structures. However, designing effective TFs remains unintuitive due to…

Graphics · Computer Science 2025-09-10 Yiyao Wang , Bo Pan , Ke Wang , Han Liu , Jinyuan Mao , Yuxin Liu , Minfeng Zhu , Xiuqi Huang , Weifeng Chen , Bo Zhang , Wei Chen

In volume rendering, transfer functions are used to classify structures of interest, and to assign optical properties such as color and opacity. They are commonly defined as 1D or 2D functions that map simple features to these optical…

Computer Vision and Pattern Recognition · Computer Science 2024-05-15 Dominik Engel , Leon Sick , Timo Ropinski

Transfer function design is crucial in volume rendering, as it directly influences the visual representation and interpretation of volumetric data. However, creating effective transfer functions that align with users' visual objectives is…

Graphics · Computer Science 2024-06-25 Sangwon Jeong , Jixian Li , Christopher Johnson , Shusen Liu , Matthew Berger

Volume Rendering is an important technique for visualizing three-dimensional scalar data grids and is commonly employed for scientific and medical image data. Direct Volume Rendering (DVR) is a well established and efficient rendering…

Graphics · Computer Science 2021-06-11 Jakob Weiss , Nassir Navab

Direct volume rendering (DVR) aims to help users identify and examine regions of interest (ROIs) within volumetric data, and feature representations that support effective ROI classification and clustering play a fundamental role in volume…

Graphics · Computer Science 2026-04-14 Haill An , Suhyeon Kim , Donghyuk Choo , Younhyun Jung

Recently, style transfer is a research area that attracts a lot of attention, which transfers the style of an image onto a content target. Extensive research on style transfer has aimed at speeding up processing or generating high-quality…

Computer Vision and Pattern Recognition · Computer Science 2022-05-26 Son Truong Nguyen , Nguyen Quang Tuyen , Nguyen Hong Phuc

Vision Foundation Models (VFMs) pretrained on massive datasets exhibit impressive performance on various downstream tasks, especially with limited labeled target data. However, due to their high inference compute cost, these models cannot…

Computer Vision and Pattern Recognition · Computer Science 2024-07-03 Raviteja Vemulapalli , Hadi Pouransari , Fartash Faghri , Sachin Mehta , Mehrdad Farajtabar , Mohammad Rastegari , Oncel Tuzel

Neuro-developmental disorders are manifested as dysfunctions in cognition, communication, behaviour and adaptability, and deep learning-based computer-aided diagnosis (CAD) can alleviate the increasingly strained healthcare resources on…

Machine Learning · Computer Science 2026-04-17 Xin Wen , Shijie Guo , Wenbo Ning , Rui Cao , Jie Xiang , Xiaobo Liu , Jintai Chen

The conversion rate (CVR) is a crucial metric for evaluating the effectiveness of platforms, as it quantifies the alignment of content with audience preferences. However, the limited nature of customers' conversion actions presents a…

Information Retrieval · Computer Science 2026-05-08 Guohao Cai , Jun Yuan , Zhenhua Dong

The objective of Content-Based Image Retrieval (CBIR) methods is essentially to extract, from large (image) databases, a specified number of images similar in visual and semantic content to a so-called query image. To bridge the semantic…

Information Retrieval · Computer Science 2015-02-12 Smarajit Bose , Amita Pal , Jhimli Mallick , Sunil Kumar , Pratyaydipta Rudra

Depth-from-focus (DFF) is a technique that infers depth using the focus change of a camera. In this work, we propose a convolutional neural network (CNN) to find the best-focused pixels in a focal stack and infer depth from the focus…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Fengting Yang , Xiaolei Huang , Zihan Zhou

Transfer Learning (TL) has shown great potential to accelerate Reinforcement Learning (RL) by leveraging prior knowledge from past learned policies of relevant tasks. Existing transfer approaches either explicitly computes the similarity…

Super-resolution is widely used in medical imaging to enhance low-quality data, reducing scan time and improving abnormality detection. Conventional super-resolution approaches typically rely on paired datasets of downsampled and original…

Computer Vision and Pattern Recognition · Computer Science 2026-02-18 Xiaoyi Wen , Fei Jiang

State-of-the-art fully intrinsic networks for non-rigid shape matching often struggle to disambiguate the symmetries of the shapes leading to unstable correspondence predictions. Meanwhile, recent advances in the functional map framework…

Computer Vision and Pattern Recognition · Computer Science 2022-04-29 Nicolas Donati , Etienne Corman , Maks Ovsjanikov

Click-through rate (CTR) prediction is a critical task in online advertising and recommender systems, relying on effective modeling of feature interactions. Explicit interactions capture predefined relationships, such as inner products, but…

Information Retrieval · Computer Science 2025-05-27 Kefan Wang , Hao Wang , Wei Guo , Yong Liu , Jianghao Lin , Defu Lian , Enhong Chen

Transfer in Reinforcement Learning aims to improve learning performance on target tasks using knowledge from experienced source tasks. Successor Representations (SR) and their extension Successor Features (SF) are prominent transfer…

Machine Learning · Computer Science 2023-08-03 Chris Reinke , Xavier Alameda-Pineda

Due to the significant information loss in low-resolution (LR) images, it has become extremely challenging to further advance the state-of-the-art of single image super-resolution (SISR). Reference-based super-resolution (RefSR), on the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Zhifei Zhang , Zhaowen Wang , Zhe Lin , Hairong Qi

The recent advancement in computational and communication systems has led to the introduction of high-performing neural networks and high-speed wireless vehicular communication networks. As a result, new technologies such as cooperative…

Computer Vision and Pattern Recognition · Computer Science 2020-12-07 Ehsan Emad Marvasti , Arash Raftari , Amir Emad Marvasti , Yaser P. Fallah , Rui Guo , Hongsheng Lu

Document indexing is a key component for efficient information retrieval (IR). After preprocessing steps such as stemming and stop-word removal, document indexes usually store term-frequencies (tf). Along with tf (that only reflects the…

Information Retrieval · Computer Science 2020-04-29 Jibril Frej , Phillipe Mulhem , Didier Schwab , Jean-Pierre Chevallet
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