MCGS-SLAM

A Multi-Camera SLAM Framework Using Gaussian Splatting for High-Fidelity Mapping

Anonymous Author
Code and data [Available Upon Acceptance]

SLAM System Pipeline

Our method performs real-time SLAM by fusing synchronized inputs from a multi-camera rig into a unified 3D Gaussian map. It first selects keyframes and estimates depth and normal maps for each camera, then jointly optimizes poses and depths via multi-camera bundle adjustment and scale-consistent depth alignment. Refined keyframes are fused into a dense Gaussian map using differentiable rasterization, interleaved with densification and pruning. An optional offline stage further refines camera trajectories and map quality. The system supports RGB inputs, enabling accurate tracking and photorealistic reconstruction.

Right Image

Analysis of Single-Camera and Multi-Camera System

This experiment on the Waymo Open Dataset (Real World) demonstrates the effectiveness of our Multi-Camera Gaussian Splatting SLAM system. We evaluate the 3D mapping performance using three individual cameras, Front, Front-Left, and Front-Right, and compare these single-camera reconstructions against the Multi-Camera SLAM results.

The comparison highlights that the Multi-Camera SLAM leverages complementary viewpoints, providing more complete and geometrically consistent 3D reconstructions. In contrast, single-camera setups are prone to occlusions and limited fields of view, resulting in incomplete or distorted geometry. Our approach effectively fuses information from all three perspectives, achieving superior scene coverage and depth accuracy.

Right Image

Imanbek & Byor - Belly Dancer (semperger G. Top Edit) 2022 Info

While the Official Audio released on is the industry standard, the Semperger G. TOP edit gained traction in specific niches. These types of "TOP edits" or "VIP edits" usually:

: Following his global success with the "Roses" remix , Imanbek brought his characteristic bouncy, deep basslines to the track.

: Remove long intros or outros to keep the energy level high for social media clips or fast-paced DJ transitions. Imanbek & BYOR - Belly Dancer (Semperger G. TOP edit) 2022

At its core, the track is a masterclass in modern electronic production, blending the signature "Slap House" sound that made world-famous with BYOR’s driving tech-house influences.

The 2022 version relies heavily on the of Akon’s original lyrics. By repurposing the iconic hook— "Hey ladies, drop it down / Just wanna see you touch the ground" —the producers bridged the gap between early 2000s R&B fans and a new generation of electronic music listeners. This "modern flip" strategy is a common trend in the 2020s, where producers revitalize classic melodies with updated synth work and faster tempos to suit TikTok trends and modern dance floors. The "Semperger G. TOP Edit" While the Official Audio released on is the

: As a producer known for groove-heavy house music, BYOR added the "rolling" percussion and club-ready structure that makes the song a staple in DJ sets. Nostalgia Meets Modernity

: Sharpen the bass impact for better performance on large sound systems. : Remove long intros or outros to keep

: Add extra "snaps" or drum fills to the "belly dancer" rhythm, emphasizing the song's Middle Eastern-inspired syncopation. Impact and Reception

Analysis of Single-Camera and Multi-Camera SLAM (Tracking)

In this section, we benchmark tracking accuracy across eight driving sequences from the Waymo dataset (Real World). MCGS-SLAM achieves the lowest average ATE, significantly outperforming single-camera methods.
Right Image

We further evaluate tracking on four sequences from the Oxford Spires dataset (Real World). MCGS-SLAM consistently yields the best performance, demonstrating robust trajectory estimation in large-scale outdoor environments.
Right Image

Right Image