Spatiotemporal activity maps have been used to visualize where activity occurs over time, and are often displayed as pseudo-color heat maps. Our multi-dimensional activity map includes the following motion features: density, direction, bi-direction, velocity, and dwell. The primary contribution of this paper is to describe a set of mappings that will transform the activity maps captured from the cameras of different perspectives to the ones from a single orthographic perspective. The purpose of this is to be able to view and compare multiple activity maps from different camera views over a wide area with consistently comparable data. A second contribution is that the most mappings are based upon statistically learned camera perspectives to minimize manual camera calibration. We demonstrate mapping results with multiple video data sets and describe applications for visualization and wide-area spatial probability estimation.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1109/TIP.2016.2555079 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Abnormal dynamic features of cortical microstates for detecting early-stage Parkinson's disease by resting-state electroencephalography: Systematic analysis of the influence of eye condition.
Heliyon
January 2025
Centro de Investigación e Innovación en Bioingeniería, Universitat Politècnica de València, 46022, València, Spain.
Resting state electroencephalography (EEG) has proved useful in studying electrophysiological changes in neurodegenerative diseases. In many neuropathologies, microstate analysis of the eyes-closed (EC) scalp EEG is a robust and highly reproducible technique for assessing topological changes with high temporal resolution. However, scalp EEG microstate maps tend to underestimate the non-occipital or non-alpha-band networks, which can also be used to detect neuropathological changes.
View Article and Find Full Text PDFPeptide mapping analysis of synthetic semaglutide and liraglutide for generic development of drugs originating from recombinant DNA technology.
J Pharm Biomed Anal
January 2025
College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea; Department of Global Innovative Drugs, The Graduate School of Chung-Ang University, Seoul 06974, Republic of Korea. Electronic address:
Semaglutide and liraglutide are long-acting glucagon-like peptide-1 receptor agonists used to treat type-2 diabetes and obesity. Recent advances in peptide synthesis and analytical technologies have enabled the development of synthetic generic peptide for reference listed drugs (RLD) originating from recombinant DNA (rDNA) technology. Since the original semaglutide and liraglutide were produced through rDNA technology, there has been great interest in developing their synthetic peptides as generic versions of the original drugs.
View Article and Find Full Text PDFDirect quantification of the plasmon dephasing time in ensembles of gold nanorods through two-dimensional electronic spectroscopy.
Nanoscale Adv
January 2025
Department of Chemical Sciences, University of Padova via Marzolo 1 35131 Padova Italy
In this study, we used two-dimensional electronic spectroscopy to examine the early femtosecond dynamics of suspensions of colloidal gold nanorods with different aspect ratios. In all samples, the signal distribution in the 2D maps at this timescale shows a distinctive dispersive behavior, which can be explained by the interference between the exciting field and the field produced on the nanoparticle's surface by the collective motion of electrons when the plasmon is excited. Studying this interference effect, which is active only until the plasmon has been dephased, allows for a direct estimation of the dephasing time of the plasmon of an ensemble of colloidal particles.
View Article and Find Full Text PDFSerum ALT activity and its isoenzymes as potential biomarkers for diagnosis of Sarcopenia in older adults: a retrospective, cross-sectional study.
BMC Geriatr
January 2025
Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, China.
Background: Alanine aminotransferase (ALT) is an enzyme crucial for energy and protein metabolism in muscle cells. Despite this, its association with sarcopenia remains inadequately explored. This study aims to investigate the correlation between serum levels of ALT-related indicators (ALT activity, ALT1, ALT2, and ALT1/ALT2 ratio) and sarcopenia measures, as well as to develop a diagnostic model for sarcopenia in older individuals.
View Article and Find Full Text PDFMechanistic insights into pachymic acid's action on triple-negative breast Cancer through TOP2A targeting.
Sci Rep
January 2025
Evidence-based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou City, No.199 Donggang West Road, 730000, Gansu Province, China.
Triple-negative breast cancer (TNBC) is characterized by the absence of estrogen and progesterone receptors, and lack of human epidermal growth factor receptor 2 (HER2) expression. Traditional Chinese medicine (TCM) has demonstrated promising efficacy in treating TNBC. This study explored the mechanisms of pachymic acid (PA) on TNBC by merging network pharmacology with experimental validation.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!