ArXiv

IR275K: A Benchmark for Infrared Multi-Frame Super-Resolution Toward Efficient Remote Sensing

2026-07-24 · 15:06 UTC ·Jie Deng, Heyang Wang, Changxin Wang... ·1 min read
Authors
Jie Deng, Heyang Wang, Changxin Wang...
Categories
cs.CV
arXiv
https://arxiv.org/abs/2607.22380v1
PDF
https://arxiv.org/pdf/2607.22380v1

Brief

IR275K introduces a reproducible infrared multi-frame super-resolution benchmark of 594 video sequences (275,196 frames) with sequence-level train/val/test splits and an X4 evaluation protocol, explicitly modeling thermal contrast, sensor noise, weak texture, and platform-induced variation. The paper also proposes CGMamba, a 10.90M‑parameter, 112.14G‑FLOP state‑space model using 2D RoPE and center‑guided cross‑Mamba fusion that reaches 33.19 dB PSNR (0.35–0.52 dB above infrared SISR) and shows a 1.53 dB drop without 2D RoPE.

Why it matters

IR275K is a reproducible infrared MFSR benchmark containing 594 video sequences and 275,196 frames, with sequence-level train/validation/test splits and a standardized X4 evaluation protocol; it explicitly captures thermal contrast, sensor noise, weak texture, and platform-induced frame variation.

Key details

  • CGMamba, a lightweight state-space model (10.90M parameters, 112.14G FLOPs) using 2D RoPE and center-guided cross-Mamba fusion, achieves 33.19 dB PSNR—0.35–0.52 dB above infrared single-image SR references—and an ablation removing 2D RoPE causes a 1.53 dB drop and grid-like artifacts.
Source evidence

Abstract

Efficient processing is becoming increasingly important in infrared remote sensing, where satellite constellations produce large volumes of observations under constrained detector resolution, power, and downlink bandwidth. Multi-frame super-resolution (MFSR) offers a software-based route to spatial enhancement, but its evaluation in infrared sensing remains fragmented across private datasets and ad-hoc protocols. Existing benchmarks do not explicitly capture the thermal contrast, sensor noise, weak texture, and platform-induced frame-to-frame variation that characterize infrared video. We introduce IR275K, a curated benchmark containing 594 infrared video sequences and 275,196 frames. It provides sequence-level train/validation/test splits and a reproducible X4 evaluation protocol. As an initial architectural probe, we further evaluate CGMamba, a lightweight state-space model with 10.90M parameters and 112.14G FLOPs. CGMamba combines 2D rotary position encoding (2D~RoPE) with center-guided cross-Mamba (CGCM) fusion for implicit multi-frame reconstruction. It achieves 33.19dB PSNR, outperforming infrared single-image super-resolution references by 0.35--0.52~dB at substantially lower computational cost. Ablation results show that removing 2D~RoPE from CGCM causes a 1.53dB drop and severe grid-like artifacts. This indicates that explicit spatial anchoring is critical for stabilizing SSM-based cross-frame gating under infrared conditions. IR275K provides a reproducible foundation for accuracy--efficiency evaluation of infrared MFSR methods, while the architectural analysis offers a concrete starting point for spatially aware SSM design under resource-constrained infrared sensing. Dataset and evaluation resources are available at: https://github.com/InfraRecon7/IR275K.