---
title: "Kalman filter: formula and 12 recent papers"
description: "Kalman filter was mentioned in 12 papers in the last 30 days (2026-09-27 to 2026-10-26), ranking #62 of the 104 equations and models mentioned."
url: https://scholar4ai.com/equations/kalman-filter
markdown_url: https://scholar4ai.com/equations/kalman-filter.md
license: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/)
share_text: "Kalman filter was mentioned in 12 papers in the last 30 days (2026-09-27 to 2026-10-26), ranking #62 of the 104 equations and models mentioned."
data_url: https://scholar4ai.com/data/rankings.json
updated: 2026-10-26T14:32:25+09:00
window: 2026-09-27 to 2026-10-26
source: OpenAlex (CC0)
---

# Kalman filter

$$
\hat x_{t \mid t} = \hat x_{t \mid t-1} + K_t\,(y_t - H\,\hat x_{t \mid t-1})
$$

Recursively updates estimates of an unobserved state from noisy observations.

- area: Time series
- 2 papers in the last 7 days
- Names searched for: Kalman filter, Kalman filtering, Kalman smoother

Back to the ranking: https://scholar4ai.com/rankings/equations.md

## Key findings

- Kalman filter was mentioned in 12 papers in the last 30 days (2026-09-27 to 2026-10-26), ranking #62 of the 104 equations and models mentioned.
- By journal category: AI (6), Finance (3), Operations Research (2) and Economics (1).
- Most of them appeared in Information Fusion (2), Journal of Financial Economics (1) and Artificial Intelligence Review (1).
- Often mentioned together with Ordinary least squares (OLS) (4), Vector autoregression (VAR) (2) and Carhart four-factor model (2).
- Datasets named in the same papers: OR-Library (3), Economic Policy Uncertainty index (2) and CRSP (1).
- From Oct 2023 to Sep 2026, 105 archived papers mentioned Kalman filter in their title, abstract or keywords, most of them in Dec 2024 (10).

## Mentions over 36 months

*Papers mentioning it by publication month, Oct 2023 to Sep 2026 (titles, abstracts and keywords)*

| Trend | Oct 23–Sep 24 | Oct 24–Sep 25 | Oct 25–Sep 26 | 36 months |
|---|---:|---:|---:|---:|
|  | 38 | 56 | 11 | 105 |

*Papers mentioning Kalman filter, newest first.*

| Date | Title | Journal | Authors | Affiliations |
|---|---|---|---|---|
| 2026-10-22 | [Do long-term yields help to estimate short-term risk premia?](https://doi.org/10.1016/j.jfineco.2026.104386) | [Journal of Financial Economics](https://scholar4ai.com/journals/journal-of-financial-economics.md) | Andrea Berardi, Roger Brown, Stephen M. Schaefer |  |
| 2026-10-22 | [Beyond the survey: a systematic empirical study of detection and association in visual MOT](https://doi.org/10.1007/s10462-026-11713-4) | [Artificial Intelligence Review](https://scholar4ai.com/journals/artificial-intelligence-review.md) | Linh Van Ma, Juhua Hu, Wei Cheng et al. | Gwangju Institute of Science and Technology; University of Washington Tacoma |
| 2026-10-15 | [Sparsity-aware square-root Kalman filter with an approximate Schmidt update for efficient pose estimation in high-dimensional GNSS/INS/vision systems](https://doi.org/10.1016/j.inffus.2026.104880) | [Information Fusion](https://scholar4ai.com/journals/information-fusion.md) | Weihao Lei, Wanke Liu, Xiaohong Zhang et al. |  |
| 2026-10-15 | [Tightly-coupled GNSS-LiDAR-inertial integration with multi-epoch pseudorange outlier rejection for robust decimeter-level positioning](https://doi.org/10.1016/j.inffus.2026.104872) | [Information Fusion](https://scholar4ai.com/journals/information-fusion.md) | Man Yuan, Tisheng Zhang, Hailiang Tang et al. | Wuhan University |
| 2026-10-14 | [MIMOT: Mamba-based inter-trajectory interaction for multi-object tracking](https://doi.org/10.1016/j.neunet.2026.109766) | [Neural Networks](https://scholar4ai.com/journals/neural-networks.md) | Biao Liu, Yanxin Wu, Jiaqi Yang et al. | Beijing Jiaotong University |
| 2026-10-08 | [Behavioral drivers of cryptocurrency markets: A systematic review](https://doi.org/10.1016/j.jbef.2026.101265) | [Journal of Behavioral and Experimental Finance](https://scholar4ai.com/journals/journal-of-behavioral-and-experimental-finance.md) | Sebastian Steindl, Hans Rüdiger Kaufmann, Bernd Britzelmaier | University of Nicosia; Pforzheim University of Applied Sciences |
| 2026-10-03 | [StoryReasoning dataset: Using chain-of-thought for scene understanding and grounded story generation](https://doi.org/10.1016/j.patcog.2026.115061) | [Pattern Recognition](https://scholar4ai.com/journals/pattern-recognition.md) | Daniel A. P. Oliveira, David Martins de Matos | Instituto de Engenharia de Sistemas e Computadores Investigação e Desenvolvimento; University of Lisbon; Instituto Superior Técnico |
| 2026-10-01 | [Adaptive state-space modeling of EEG dynamics for real-time sleep spindle detection](https://doi.org/10.1007/s00521-026-12573-3) | [Neural Computing and Applications](https://scholar4ai.com/journals/neural-computing-and-applications.md) | Levent Özbek | Ankara University |
| 2026-10-01 | [Dynamic factor loadings and portfolio return prediction: Evidence from deep sequence models](https://doi.org/10.1016/j.iref.2026.105909) | [International Review of Economics & Finance](https://scholar4ai.com/journals/international-review-of-economics-finance.md) | Viktor Manahov, Zihao Hou, Dimitrios Stafylas |  |
| 2026-10-01 | [Adaptive Bayesian very short-term wind power forecasting based on the generalised logit transformation](https://doi.org/10.1016/j.ijforecast.2026.08.002) | [International Journal of Forecasting](https://scholar4ai.com/journals/international-journal-of-forecasting.md) | Tao Shen, Jethro Browell, Daniela Castro‐Camilo |  |
| 2026-09-30 | [An adaptive digital twin framework with hybrid MILP-ALNS optimization for emission-aware fleet routing: Computational study and field validation in the Yanbu–Jeddah corridor](https://doi.org/10.1016/j.cie.2026.112417) | [Computers & Industrial Engineering](https://scholar4ai.com/journals/computers-industrial-engineering.md) | Mansour Almuwallad | Royal Commission for Jubail and Yanbu; Yanbu Industrial College |
| 2026-09-28 | [High-resolution spatiotemporal freeway traffic state estimation under sparse observations using METANET-EnKF data assimilation](https://doi.org/10.1016/j.trc.2026.106032) | [Transportation Research Part C Emerging Technologies](https://scholar4ai.com/journals/transportation-research-part-c-emerging-technologies.md) | 志航 许, Ying Gao, Zhigang Xu et al. | Chang'an University; Tsinghua University |

## Cite this page

Scholar4AI. (2026). Kalman filter. Journal Research Rankings. Retrieved October 26, 2026, from https://scholar4ai.com/equations/kalman-filter

```bibtex
@misc{scholar4ai-equations-kalman-filter,
  author = {{Scholar4AI}},
  title = {Kalman filter},
  year = {2026},
  howpublished = {\url{https://scholar4ai.com/equations/kalman-filter}},
  urldate = {2026-10-26},
  note = {Journal Research Rankings; data from OpenAlex (CC0); licensed CC BY-NC 4.0}
}
```

License: CC BY-NC 4.0 (https://creativecommons.org/licenses/by-nc/4.0/).
