Publications (136)
Cosmic void exclusion models and their impact on the distance scale measurements from large scale structure
Andrei Variu, Cheng Zhao, Daniel Forero-Sánchez +5
Baryonic Acoustic Oscillations (BAOs) studies based on the clustering of voids and matter tracers provide important constraints on cosmological parameters related to the expansion…
Measuring the Mean Free Path of HI Ionizing Photons at with DESI Y1 Quasars
Anning Gao, Jason X. Prochaska, Zheng Cai +31
The mean free path of ionizing photons () in the intergalactic medium (IGM) is a crucial quantity in modelling the ionization state of IGM and the extragalac…
Necessary and Sufficient PID Gain Regions for Global Stabilization of Uncertain Second-Order MIMO Nonlinear Systems
Tianyou Xiang, Cheng Zhao
As is well known, classical PID control is ubiquitous in industrial processes, yet a rigorous and explicit design theory for nonlinear uncertain MIMO second-order systems remains u…
Cosmological Fisher forecasts for next-generation spectroscopic surveys
William d'Assignies D., Cheng Zhao, Jiaxi Yu +1
Next-generation spectroscopic surveys such as the MegaMapper, MUltiplexed Survey Telescope (MUST), MaunaKea Spectroscopic Explorer (MSE), and Wide Spectroscopic Telescope (WST) are…
Scenes as Tokens: Multi-Scale Normal Distributions Transform Tokenizer for General 3D Vision-Language Understanding
Yutao Tang, Cheng Zhao, Gaurav Mittal +4
Recent advances in 3D vision-language models (VLMs) highlight a strong potential for 3D scene understanding and reasoning. However, effectively tokenizing 3D scenes into holistic s…
The Completed SDSS-IV Extended Baryon Oscillation Spectroscopic Survey: Growth rate of structure measurement from cosmic voids
Marie Aubert, Marie-Claude Cousinou, Stéphanie Escoffier +19
We present a void clustering analysis in configuration-space using the completed Sloan Digital Sky Survey IV (SDSS-IV) extended Baryon Oscillation Spectroscopic Survey (eBOSS) DR16…
EventPoint: Self-Supervised Interest Point Detection and Description for Event-based Camera
Ze Huang, Li Sun, Cheng Zhao +2
This paper proposes a self-supervised learned local detector and descriptor, called EventPoint, for event stream/camera tracking and registration. Event-based cameras have grown in…
3D ToF LiDAR in Mobile Robotics: A Review
Tao Yang, You Li, Cheng Zhao +5
In the past ten years, the use of 3D Time-of-Flight (ToF) LiDARs in mobile robotics has grown rapidly. Based on our accumulation of relevant research, this article systematically r…
The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
Abdurro'uf, Katherine Accetta, Conny Aerts +337
This paper documents the seventeenth data release (DR17) from the Sloan Digital Sky Surveys; the fifth and final release from the fourth phase (SDSS-IV). DR17 contains the complete…
Void Lensing in Cubic Galileon Gravity
Chen Su, Huanyuan Shan, Jiajun Zhang +6
Weak lensing studies via cosmic voids are a promising probe of Modified Gravity (MG). Excess surface mass density (ESD) is widely used as a lensing statistic in weak lensing resear…
On the largest graph-Lagrangians of hypergraphs
Qingsong Tang, Yuejian Peng, Xiangde Zhang +1
Frankl and Füredi (1989) conjectured that the -graph with edges formed by taking the first sets in the colex ordering of has the largest graph-Lagra…
MUltiplexed Survey Telescope (MUST) Science White Paper I: Overview of Large-Scale Structure Cosmology in the Era of Stage-V Spectroscopic Surveys
Cheng Zhao, Song Huang, Mengfan He +41
The MUltiplexed Survey Telescope (MUST) is a 6.5-meter telescope under development. Dedicated to highly-multiplexed, wide-field spectroscopic surveys, MUST observes over 20,000 tar…
Understanding the Capability of PD Control for Uncertain Stochastic Systems
Cheng Zhao, Yanbin Zhang
In this article, we focus on the global stabilizability problem for a class of second order uncertain stochastic control systems, where both the drift term and the diffusion term a…
Measuring and Improving Complex-Atomic Answer Consistency in Endoscopic VQA
Yuhao Liu, Cheng Zhao, Guanghui Yue
Endoscopic visual question answering (VQA) increasingly asks complex questions that combine several endoscopic answer components rather than isolated factual queries. Such complex…
First Detection of the BAO Signal from Early DESI Data
Jeongin Moon, David Valcin, Michael Rashkovetskyi +65
We present the first detection of the baryon acoustic oscillations (BAO) signal obtained using unblinded data collected during the initial two months of operations of the Stage-IV…
Towards Guaranteed Optimal PID Tuning for Uncertain Nonlinear Systems
Jingru Zhu, Cheng Zhao, Lei Guo
Despite the widespread use of PID controllers in engineering practice, designing optimal PID parameters has long been regarded as a challenging problem in both theory and practice,…
The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological implications from multi-tracer BAO analysis with galaxies and voids
Cheng Zhao, Andrei Variu, Mengfan He +15
We construct cosmic void catalogues with the DIVE void finder upon SDSS BOSS DR12 and eBOSS DR16 galaxy samples with BAO reconstruction applied, and perform a joint BAO analysis us…
Hartree-Fock-Bogoliubov Theory of Dipolar Fermi Gases
Cheng Zhao, Lei Jiang, Xunxu Liu +3
We construct a fully self-consistent Hartree-Fock-Bogoliubov theory that describes a spinless Fermi gas with long-range interaction. We apply this theory to a system of uniform dip…
Model BOSS & eBOSS Luminous Red Galaxies at 0.2 < z < 1.0 using SubHalo Abundance Matching with 3 parameters
Jiaxi Yu, Cheng Zhao, Chia-Hsun Chuang +9
SubHalo Abundance Matching (SHAM) is an empirical method for constructing galaxy catalogues based on high-resolution -body simulations. We apply SHAM on the UNIT simulation to s…
The bias of dark matter tracers: assessing the accuracy of mapping techniques
M. Pellejero-Ibañez, A. Balaguera-AntolÃnez, Francisco-Shu Kitaura +7
We present a comparison between approximated methods for the construction of mock catalogs based on the halo-bias mapping technique. To this end, we use as reference a high resolut…
ELG Spectroscopic Systematics Analysis of the DESI Data Release 1
Jiaxi Yu, Ashley J. Ross, Antoine Rocher +58
Dark Energy Spectroscopic Instrument (DESI) uses more than 2.4 million Emission Line Galaxies (ELGs) for 3D large-scale structure (LSS) analyses in its Data Release 1 (DR1). Such l…
Effect of Massive Neutrinos on the Position of Cold Dark Matter Halo: Revealed via Delaunay Triangulation Void
Jian Qin, Yu Liang, Cheng Zhao +3
Using cosmological -body simulation which coevolves cold dark matter (CDM) and neutrino particles, we discover the local effect of massive neutrinos on the spatial distribution…
BOSS Correlation Function Analysis from the Effective Field Theory of Large-Scale Structure
Pierre Zhang, Guido D'Amico, Leonardo Senatore +2
After calibrating the predictions of the Effective Field Theory of Large-Scale Structure against several sets of simulations, as well as implementing a new method to assert the sca…
Kaleido: An Efficient Out-of-core Graph Mining System on A Single Machine
Cheng Zhao, Zhibin Zhang, Peng Xu +2
Graph mining is one of the most important categories of graph algorithms. However, exploring the subgraphs of an input graph produces a huge amount of intermediate data. The 'think…
Learning monocular visual odometry with dense 3D mapping from dense 3D flow
Cheng Zhao, Li Sun, Pulak Purkait +2
This paper introduces a fully deep learning approach to monocular SLAM, which can perform simultaneous localization using a neural network for learning visual odometry (L-VO) and d…
Some Results on Lagrangians of Hypergraphs
Qingsong Tang, Yuejian Peng, Xiangde Zhang +1
In 1965, Motzkin and Straus [5] provided a new proof of Turan's theorem based on a continuous characterization of the clique number of a graph using the Lagrangian of a graph. This…
On the Capability of PID Control for Nonlinear Uncertain Systems
Cheng Zhao, Lei Guo
It is well-known that the classical PID controller is by far the most widely used ones in industrial processes, despite of the remarkable progresses of the modern control theory ov…
Beyond CDM constraints from the full shape clustering measurements from BOSS and eBOSS
Agne Semenaite, Ariel G. Sánchez, Andrea Pezzotta +7
We analyse the full shape of anisotropic clustering measurements from the extended Baryon Oscillation Spectroscopic survey (eBOSS) quasar sample together with the combined galaxy s…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: BAO and RSD measurements from anisotropic clustering analysis of the Quasar Sample in configuration space between redshift 0.8 and 2.2
Jiamin Hou, Ariel G. Sánchez, Ashley J. Ross +27
We measure the anisotropic clustering of the quasar sample from Data Release 16 (DR16) of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey (eBOSS).…
Extended PID Control of Nonlinear Uncertain Systems
Cheng Zhao, Lei Guo
Since the classical proportional-integral-derivative (PID) controller is the most widely and successfully used ones in industrial processes, it is of vital importance to investigat…
nIFTy Cosmology: Galaxy/halo mock catalogue comparison project on clustering statistics
Chia-Hsun Chuang, Cheng Zhao, Francisco Prada +21
We present a comparison of major methodologies of fast generating mock halo or galaxy catalogues. The comparison is done for two-point and the three-point clustering statistics. Th…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Cosmological Implications from two Decades of Spectroscopic Surveys at the Apache Point observatory
eBOSS Collaboration, Shadab Alam, Marie Aubert +97
We present the cosmological implications from final measurements of clustering using galaxies, quasars, and Ly forests from the completed Sloan Digital Sky Survey (SDSS) lineag…
On hypergraph Lagrangians
Qingsong Tang, Xiaojun Lu, Xiangde Zhang +1
It is conjectured by Frankl and Füredi that the -uniform hypergraph with edges formed by taking the first sets in the colex ordering of has the larg…
Optimal Adaptive Control of Linear Stochastic Systems with Quadratic Cost Function
Nian Liu, Cheng Zhao, Shaolin Tan +1
In this paper, we consider the adaptive linear quadratic Gaussian control problem, where both the linear transformation matrix of the state and the control gain matrix are…
Understanding Literary Texts by LLMs: A Case Study of Ancient Chinese Poetry
Cheng Zhao, Bin Wang, Zhen Wang
The birth and rapid development of large language models (LLMs) have caused quite a stir in the field of literature. Once considered unattainable, AI's role in literary creation is…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the luminous red galaxy sample from the anisotropic correlation function between redshifts 0.6 and 1
Julian E. Bautista, Romain Paviot, Mariana Vargas Magaña +30
We present the cosmological analysis of the configuration-space anisotropic clustering in the completed Sloan Digital Sky Survey IV (SDSS-IV) extended Baryon Oscillation Spectrosco…
Linear redshift space distortions for cosmic voids based on galaxies in redshift space
Chia-Hsun Chuang, Francisco-Shu Kitaura, Yu Liang +4
Cosmic voids found in galaxy surveys are defined based on the galaxy distribution in redshift space. We show that the large scale distribution of voids in redshift space traces the…
CATN: Cross-Domain Recommendation for Cold-Start Users via Aspect Transfer Network
Cheng Zhao, Chenliang Li, Rong Xiao +2
In a large recommender system, the products (or items) could be in many different categories or domains. Given two relevant domains (e.g., Book and Movie), users may have interacti…
Recurrent Kalman Networks: Factorized Inference in High-Dimensional Deep Feature Spaces
Philipp Becker, Harit Pandya, Gregor Gebhardt +3
In order to integrate uncertainty estimates into deep time-series modelling, Kalman Filters (KFs) (Kalman et al., 1960) have been integrated with deep learning models, however, suc…
Connection between the clique number and the Lagrangian of -uniform hypergraphs
Qingsong Tang, Yuejian Peng, Xiangde Zhang +1
There is a remarkable connection between the clique number and the Lagrangian of a 2-graph proved by Motzkin and Straus in 1965. It is useful in practice if similar results hold fo…
EZmocks: extending the Zel'dovich approximation to generate mock galaxy catalogues with accurate clustering statistics
Chia-Hsun Chuang, Francisco-Shu Kitaura, Francisco Prada +2
We present a new methodology to generate mock halo or galaxy catalogues, which have accurate clustering properties, nearly indistinguishable from full -body solutions, in terms…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: exploring the Halo Occupation Distribution model for Emission Line Galaxies
Santiago Avila, Violeta Gonzalez-Perez, Faizan G. Mohammad +25
We study the modelling of the Halo Occupation Distribution (HOD) for the eBOSS DR16 Emission Line Galaxies (ELGs). Motivated by previous theoretical and observational studies, we c…
Accurate halo-galaxy mocks from automatic bias estimation and particle mesh gravity solvers
Mohammadjavad Vakili, Francisco-Shu Kitaura, Yu Feng +4
Reliable extraction of cosmological information from clustering measurements of galaxy surveys requires estimation of the error covariance matrices of observables. The accuracy of…
Influence of configuration and acoustic phonons on three-qubit controlled-phase gate
Song Yang, Ming Gong, Xubo Zou +3
We discuss the configuration and acoustic phonon effect on the conditional phase gate using self assembled quantum dots. As an example, we discuss the simplest three dots condition…
Removing Imaging Systematics from Galaxy Clustering Measurements with Obiwan : Application to the SDSS-IV extended Baryon Oscillation Spectroscopic Survey Emission Line Galaxy Sample
Hui Kong, Kaylan J. Burleigh, Ashley Ross +10
This work presents the application of a new tool, Obiwan , which uses image simulations to determine the selection function of a galaxy redshift survey and calculate 3-dimensional…
Reducing the Variance of Redshift Space Distortion Measurements from Mock Galaxy Catalogues with Different Lines of Sight
Alex Smith, Arnaud de Mattia, Etienne Burtin +2
Accurate mock catalogues are essential for assessing systematics in the cosmological analysis of large galaxy surveys. Anisotropic two-point clustering measurements from the same s…
The Impact of the Fiducial Cosmology Assumption on BAO Cosmological Parameter Inference
Paul Carter, Florian Beutler, Will J. Percival +3
Standard analysis pipelines for measurements of Baryon Acoustic Oscillations (BAO) in galaxy surveys make use of a fiducial cosmological model to guide the data compression require…
Testing General Relativity on cosmological scales at redshift z ~ 1.5 with quasar and CMB lensing
Yucheng Zhang, Anthony R. Pullen, Shadab Alam +10
We test general relativity (GR) at the effective redshift by estimating the statistic , a probe of gravity, on cosmological scales $19 - 190\,h^{-1}{\rm Mpc…
TCLC-GS: Tightly Coupled LiDAR-Camera Gaussian Splatting for Autonomous Driving
Cheng Zhao, Su Sun, Ruoyu Wang +6
Most 3D Gaussian Splatting (3D-GS) based methods for urban scenes initialize 3D Gaussians directly with 3D LiDAR points, which not only underutilizes LiDAR data capabilities but al…
Constraining Neutrino Mass with the Void Weak Lensing Effect
Wenshuo Xu, Cheng Zhao, Chen Su +2
Cosmic voids, the underdense regions of the Large Scale Structure (LSS), provide cosmological information highly complementary to that obtained from overdense regions. In this work…
The completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: 1000 multi-tracer mock catalogues with redshift evolution and systematics for galaxies and quasars of the final data release
Cheng Zhao, Chia-Hsun Chuang, Julian Bautista +18
We produce 1000 realizations of synthetic clustering catalogues for each type of the tracers used for the baryon acoustic oscillation and redshift space distortion analysis of the…
Baryon Acoustic Oscillation detections from the clustering of massive halos and different density region tracers in TianNu simulation
Yu Liu, Yu Liang, Hao-Ran Yu +3
The Baryon Acoustic Oscillations (BAO) refer to the ripples of material density in the Universe. As the most direct density tracers in the universe, galaxies have been commonly use…
On Cliques and Lagrangians of 3-uniform Hypergraphs
Yuejian Peng, Hegui Zhu, Yanling Zheng +1
There is a remarkable connection between the maximum clique number and the Lagrangian of a graph given by T. S. Motzkin and E.G. Straus in 1965. This connection and its extensions…
The DESI -body Simulation Project -- II. Suppressing sample variance with fast simulations
Zhejie Ding, Chia-Hsun Chuang, Yu Yu +19
Dark Energy Spectroscopic Instrument (DESI) will construct a large and precise three-dimensional map of our Universe. The survey effective volume reaches $\sim20\Gpchcube$. It is a…
Counting voids and filaments: Betti Curves as a Powerful Probe for Cosmology
Jiayi Li, Cheng Zhao
Topological analysis of galaxy distributions has gathered increasing attention in cosmology, as they are able to capture non-Gaussian features of large-scale structures (LSS) that…
The Thirteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey MApping Nearby Galaxies at Apache Point Observatory
SDSS Collaboration, Franco D. Albareti, Carlos Allende Prieto +335
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in July 2014. It pursues three core programs: APOGEE-2, MaNGA, and eBOSS. In addition, eBOSS cont…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: First measurement of Baryon Acoustic Oscillations between redshift 0.8 and 2.2
Metin Ata, Falk Baumgarten, Julian Bautista +60
We present measurements of the Baryon Acoustic Oscillation (BAO) scale in redshift-space using the clustering of quasars. We consider a sample of 147,000 quasars from the extended…
The SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Overview and Early Data
Kyle S. Dawson, Jean-Paul Kneib, Will J. Percival +143
The Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point Observatory. Observations will…
UNIT project: Universe -body simulations for the Investigation of Theoretical models from galaxy surveys
Chia-Hsun Chuang, Gustavo Yepes, Francisco-Shu Kitaura +13
We present the UNIT -body cosmological simulations project, designed to provide precise predictions for nonlinear statistics of the galaxy distribution. We focus on characterizi…
Recurrent-OctoMap: Learning State-based Map Refinement for Long-Term Semantic Mapping with 3D-Lidar Data
Li Sun, Zhi Yan, Anestis Zaganidis +2
This paper presents a novel semantic mapping approach, Recurrent-OctoMap, learned from long-term 3D Lidar data. Most existing semantic mapping approaches focus on improving semanti…
Towards a Theoretical Foundation of PID Control for Uncertain Nonlinear Systems
Cheng Zhao, Lei Guo
As is well-known, the classical PID control plays a dominating role in various control loops of industrial processes. However, a theory that can explain the rationale why the linea…
Problems with twilight/supersky flat-field for wide-field robotic telescopes and the solution
Peng Wei, Zhaohui Shang, Bin Ma +3
Twilight/night sky images are often used for flat-fielding CCD images, but the brightness gradient in twilight/night sky causes problems of accurate flat-field correction in astron…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: a multi-tracer analysis in Fourier space for measuring the cosmic structure growth and expansion rate
Gong-Bo Zhao, Yuting Wang, Atsushi Taruya +23
We perform a joint BAO and RSD analysis using the eBOSS DR16 LRG and ELG samples in the redshift range of , and detect a RSD signal from the cross power spectrum at…
On hypergraph cliques and polynomial programming
Qingsong Tang, Yuejian Peng, Xiangde Zhang +1
Motzkin and Straus established a close connection between the maximum clique problem and a solution (namely graph-Lagrangians) to the maximum value of a class of homogeneous quadra…
Angular systematics-free cosmological analysis of galaxy clustering in configuration space
Romain Paviot, Sylvain de la Torre, Arnaud de Mattia +9
Galaxy redshift surveys are subject to incompleteness and inhomogeneous sampling due to the various constraints inherent to spectroscopic observations. This can introduce systemati…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Pairwise-Inverse-Probability and Angular Correction for Fibre Collisions in Clustering Measurements
Faizan G. Mohammad, Will J. Percival, Hee-Jong Seo +28
The completed eBOSS catalogues contain redshifts of 344080 QSOs over 0.8<z<2.2 covering 4808 deg, 174816 LRGs over 0.6<z<1.0 covering 4242 deg and 173736 ELGs over 0.6<z<1.…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: Anisotropic Baryon Acoustic Oscillations measurements in Fourier-space with optimal redshift weights
Dandan Wang, Gong-Bo Zhao, Yuting Wang +19
We present a measurement of the anisotropic and isotropic Baryon Acoustic Oscillations (BAO) from the extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample…
Optimization of Tessellation-based Statistics: Void Statistics
Yu Liu, Cheng Zhao, Yu Yu +2
Tessellation methods are extensively employed in the analyses of cosmic large-scale structure (LSS). However, these techniques are highly sensitive to perturbations in both densiti…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the luminous red galaxy sample from the anisotropic power spectrum between redshifts 0.6 and 1.0
Héctor Gil-MarÃn, Julián E. Bautista, Romain Paviot +37
We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 16 luminous red galaxy sample (DR16 eBOSS LRG) in combina…
Improving baryon acoustic oscillation measurement with the combination of cosmic voids and galaxies
Cheng Zhao, Chia-Hsun Chuang, Francisco-Shu Kitaura +6
We develop a methodology to optimise the measurement of Baryon Acoustic Oscillation (BAO) from a given galaxy sample. In our previous work, we demonstrated that one can measure BAO…
Behind the Veil: Enhanced Indoor 3D Scene Reconstruction with Occluded Surfaces Completion
Su Sun, Cheng Zhao, Yuliang Guo +4
In this paper, we present a novel indoor 3D reconstruction method with occluded surface completion, given a sequence of depth readings. Prior state-of-the-art (SOTA) methods only f…
Cosmic Void Baryon Acoustic Oscillation Measurement: Evaluation of Sensitivity to Selection Effects
Daniel Forero-Sánchez, Cheng Zhao, Charling Tao +5
Cosmic voids defined as a subset of Delaunay Triangulation (DT) circumspheres have been used to measure the Baryon Acoustic Oscillations (BAO) scale; providing tighter constraints…
Third-order nonlinear femtosecond optical gating through highly scattering media
Bocoum Maïmouna, Cheng Zhao, Kaur Jaismeen +1
Discriminating between ballistic and diffuse components of light propagating through highly scattering media is not only important for imaging purposes but also for investigating t…
Astrodynamical Space Test of Relativity using Optical Devices I (ASTROD I) - A class-M fundamental physics mission proposal for Cosmic Vision 2015-2025
Thierry Appourchaux, Raymond Burston, Yanbei Chen +33
ASTROD I is a planned interplanetary space mission with multiple goals. The primary aims are: to test General Relativity with an improvement in sensitivity of over 3 orders of magn…
From Large Telescopes to the MUltiplexed Survey Telescope (MUST)
Zheng Cai, Song Huang, Yu Liu +2
Recent advances in astronomical observations have ushered in an era of remarkable discoveries. We now probe the Universe through multi-messenger signals, image the sky with unprece…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 LRG sample: structure growth rate measurement from the anisotropic LRG correlation function in the redshift range 0.6 < z < 1.0
M. Icaza-Lizaola, M. Vargas-Magaña, S. Fromenteau +14
We analyze the anisotropic clustering of the Sloan Digital Sky Survey-IV Extended Baryon Oscillation Spectroscopic Survey (eBOSS) Luminous Red Galaxy Data Release 14 (DR14) sample…
The Sixteenth Data Release of the Sloan Digital Sky Surveys: First Release from the APOGEE-2 Southern Survey and Full Release of eBOSS Spectra
Romina Ahumada, Carlos Allende Prieto, Andres Almeida +310
This paper documents the sixteenth data release (DR16) from the Sloan Digital Sky Surveys; the fourth and penultimate from the fourth phase (SDSS-IV). This is the first release of…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the evolution of the growth rate using redshift space distortions between redshift 0.8 and 2.2
Rossana Ruggeri, Will J. Percival, Hector Gil Marin +16
We measure the growth rate and its evolution using the anisotropic clustering of the extended Baryon Oscillation Spectroscopic Survey (eBOSS) Data Release 14 (DR14) quasar sample,…
Covariance matrices for variance-suppressed simulations
Tony Zhang, Chia-Hsun Chuang, Risa H. Wechsler +9
Cosmological -body simulations provide numerical predictions of the structure of the Universe against which to compare data from ongoing and future surveys, but the growing volu…
DeCafNet: Delegate and Conquer for Efficient Temporal Grounding in Long Videos
Zijia Lu, A S M Iftekhar, Gaurav Mittal +6
Long Video Temporal Grounding (LVTG) aims at identifying specific moments within lengthy videos based on user-provided text queries for effective content retrieval. The approach ta…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: Large-scale Structure Catalogs for Cosmological Analysis
Ashley J. Ross, Julian Bautista, Rita Tojeiro +53
We present large-scale structure catalogs from the completed extended Baryon Oscillation Spectroscopic Survey (eBOSS). Derived from Sloan Digital Sky Survey (SDSS) -IV Data Release…
An extension of Motzkin-Straus Theorem to non-uniform hypergraphs and its applications
Yuejian Peng, Hao Peng, Qingsong Tang +1
In 1965, Motzkin and Straus established a remarkable connection between the order of a maximum clique and the Lagrangian of a graph and provided a new proof of Turán's theorem usi…
Theory and Design of Extended PID Control for Stochastic Systems with Structural Uncertainties
Baoyou Qu, Cheng Zhao
Since the classical proportional-integral-derivative (PID) controller has continued to be the most widely used feedback methods in engineering systems by far, it is crucial to inve…
Dynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements
Gan Gu, Xiaoma Wang, Yuting Wang +57
Understanding whether cosmic acceleration arises from a cosmological constant or a dynamical component is a central goal of cosmology, and the Dark Energy Spectroscopic Instrument…
A Machine Learning Approach to Correct for Mass Resolution Effects in Simulated Halo Clustering Statistics
Daniel Forero-Sánchez, Chia-Hsun Chuang, Sergio RodrÃguez-Torres +3
The increase in the observed volume in cosmological surveys imposes various challenges on simulation preparations. Firstly, the volume of the simulations required increases proport…
Cosmological Constraints with Void Lensing I: the Simulation-Based Inference Framework
Chen Su, Huanyuan Shan, Cheng Zhao +2
We present a Simulation-Based Inference (SBI) framework for cosmological parameter estimation via void lensing analysis. Despite the absence of an analytical model of void lensing,…
Validation of semi-analytical, semi-empirical covariance matrices for two-point correlation function for Early DESI data
Michael Rashkovetskyi, Daniel J. Eisenstein, Jessica Nicole Aguilar +34
We present an extended validation of semi-analytical, semi-empirical covariance matrices for the two-point correlation function (2PCF) on simulated catalogs representative of Lumin…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: structure growth rate measurement from the anisotropic quasar power spectrum in the redshift range
Héctor Gil-MarÃn, Julien Guy, Pauline Zarrouk +24
We analyse the clustering of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spectroscopic Survey Data Release 14 quasar sample (DR14Q). We measure the redshift space d…
SUP-NeRF: A Streamlined Unification of Pose Estimation and NeRF for Monocular 3D Object Reconstruction
Yuliang Guo, Abhinav Kumar, Cheng Zhao +3
Monocular 3D reconstruction for categorical objects heavily relies on accurately perceiving each object's pose. While gradient-based optimization in a NeRF framework updates the in…
A fully end-to-end deep learning approach for real-time simultaneous 3D reconstruction and material recognition
Cheng Zhao, Li Sun, Rustam Stolkin
This paper addresses the problem of simultaneous 3D reconstruction and material recognition and segmentation. Enabling robots to recognise different materials (concrete, metal etc.…
PISCES: Annotation-free Text-to-Video Post-Training via Optimal Transport-Aligned Rewards
Minh-Quan Le, Gaurav Mittal, Cheng Zhao +3
Text-to-video (T2V) generation aims to synthesize videos with high visual quality and temporal consistency that are semantically aligned with input text. Reward-based post-training…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: a tomographic measurement of cosmic structure growth and expansion rate based on optimal redshift weights
Gong-Bo Zhao, Yuting Wang, Shun Saito +28
We develop a new method, which is based on the optimal redshift weighting scheme, to extract the maximal tomographic information of baryonic acoustic oscillations (BAO) and redshif…
3D Copy-Paste: Physically Plausible Object Insertion for Monocular 3D Detection
Yunhao Ge, Hong-Xing Yu, Cheng Zhao +5
A major challenge in monocular 3D object detection is the limited diversity and quantity of objects in real datasets. While augmenting real scenes with virtual objects holds promis…
SplatFlow: Self-Supervised Dynamic Gaussian Splatting in Neural Motion Flow Field for Autonomous Driving
Su Sun, Cheng Zhao, Zhuoyang Sun +2
Most existing Dynamic Gaussian Splatting methods for complex dynamic urban scenarios rely on accurate object-level supervision from expensive manual labeling, limiting their scalab…
The Completed SDSS-IV extended Baryon Oscillation Spectroscopic Survey: measurement of the BAO and growth rate of structure of the emission line galaxy sample from the anisotropic power spectrum between redshift 0.6 and 1.1
Arnaud de Mattia, Vanina Ruhlmann-Kleider, Anand Raichoor +33
We analyse the large-scale clustering in Fourier space of emission line galaxies (ELG) from the Data Release 16 of the Sloan Digital Sky Survey IV extended Baryon Oscillation Spect…
BAM: Bias Assignment Method to generate mock catalogs
A. Balaguera-AntolÃnez, Francisco-Shu Kitaura, Marcos Pellerejo-Ibañez +2
We present BAM: a novel Bias Assignment Method envisaged to generate mock catalogs. Combining the statistics of dark matter tracers from a high resolution cosmological -body sim…
On the EFT of Large Scale Structures in Redshift Space
Matthew Lewandowski, Leonardo Senatore, Francisco Prada +2
We further develop the description of redshift space distortions within the Effective Field Theory of Large Scale Structures. First, we generalize the counterterms to include the e…
Tracking performance of PID for nonlinear stochastic systems
Cheng Zhao, Shuo Yuan
In this paper, we will consider a class of continuous-time stochastic control systems with both unknown nonlinear structure and unknown disturbances, and investigate the capability…
The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey quasar sample: Testing observational systematics on the Baryon Acoustic Oscillation measurement
Grant Merz, Mehdi Rezaie, Hee-Jong Seo +15
Baryon Acoustic Oscillations are considered to be a very robust standard ruler against various systematics. This premise has been tested against observational systematics, but not…
SPP-Net: Deep Absolute Pose Regression with Synthetic Views
Pulak Purkait, Cheng Zhao, Christopher Zach
Image based localization is one of the important problems in computer vision due to its wide applicability in robotics, augmented reality, and autonomous systems. There is a rich s…