ABSTRACT
Computer vision (CV) methods are increasingly central to both preclinical animal studies and human clinical research. These technologies have the potential to generate high-resolution, continuous, and reproducible measures of behavior that can bridge laboratory findings in rodents with diagnostic or therapeutic applications in humans. However, the translational promise of CV can only be realized if systems are designed in accordance with gold-standard scientific practices such as reliability, reproducibility, and validity, and aligned with open access mandates, including FAIR (Findable, Accessible, Interoperable, Reusable) data principles and funder requirements for open code and data sharing. This article presents a translational framework for developing CV pipelines that function seamlessly across species, while meeting the dual imperatives of scientific rigor and openness. By emphasizing standardization, transparency, and interoperability, translational CV can evolve into a true bench-to-bedside tool that benefits both preclinical and clinical communities.
INTRODUCTION
The application of computer vision to the study of behavior has grown exponentially in recent years. In preclinical neuroscience, CV methods are used to quantify locomotion, exploration, and social interaction in rodents with unprecedented precision [1]. In parallel, human research has embraced CV for domains such as gait analysis, rehabilitation, fall-risk prediction, and pediatric language development. The result is a growing convergence: both animal and human researchers increasingly rely on automated, video-based systems to derive behavioral metrics that were once limited to time-consuming manual scoring.
This convergence highlights a critical opportunity for translational science. If computer vision systems can be designed to produce comparable, standardized, and reproducible measures across rodents and humans, they can serve as a bridge from bench to bedside, linking mechanistic insights from animal models to clinical diagnostics and interventions. Yet for this translational vision to be realized, CV must not only be scientifically rigorous but also conform to evolving expectations for openness. Funding agencies such as the National Institutes of Health (NIH) and the National Science Foundation (NSF) increasingly mandate that data, code, and workflows be shared in accordance with FAIR principles, while journals now often require data availability statements as a condition of publication [2].
This article therefore argues that translational CV must simultaneously satisfy two imperatives: first, adherence to gold-standard scientific principles of reproducibility, reliability, and validity; and second, alignment with open access mandates and FAIR practices. By integrating these domains, CV can advance from a collection of isolated laboratory tools into a global research infrastructure for behavioral science.
GOLD-STANDARD SCIENTIFIC PRACTICES IN TRANSLATIONAL CV
Scientific rigor remains the bedrock of credibility for any research methodology. For computer vision, this means that pipelines must be carefully designed to ensure reproducibility, validity, and reliability across both species and research contexts.
Reproducibility in CV requires more than simply publishing code. Pipelines should be fully documented and version-controlled, with preprocessing steps, model architectures, and hyperparameters transparently specified. Random seeds should be fixed where feasible, and environments should be containerized using platforms such as Docker or Singularity to allow investigators at other sites to replicate findings. Importantly, benchmark datasets must be made publicly available with predefined splits for training, validation, and testing, enabling researchers to compare results across laboratories without dataset leakage [3].
Validity in translational CV entails both construct validity, ensuring that the CV-derived metrics measure the intended behavior, and translational validity, where animal metrics align with meaningful human analogues. For example, hesitation in rodent locomotion may serve as a proxy for gait freezing in early Parkinsonās disease, while rodent social play may provide insights into child development and psychiatric conditions. Creating cross-species taxonomies of behavior that map low-level pose features to higher-order behavioral constructs is critical for translational alignment.
Reliability requires that CV systems perform consistently despite environmental and subject variability. Differences in lighting, cage design, and camera angle can all confound results, as can natural variability in animal size, fur color, or human mobility aids. To mitigate these risks, pipelines must incorporate data augmentation strategies during model training and use domain adaptation methods to generalize across sites. Multi-site validation studies, where models trained in one laboratory are tested in another, are essential to demonstrate generalizability [1].
Finally, metadata and provenance are indispensable. Just as the Brain Imaging Data Structure (BIDS) has standardized metadata for neuroimaging, behavioral CV requires standardized recording of experimental context, subject attributes, and processing lineage [2]. Without such metadata, reproducibility and translational mapping become severely limited.
OPEN ACCESS AND DATA SHARING MANDATES
Human behavioral research faces the additional challenge of privacy and identifiability. Unlike electrophysiology or molecular data, video and audio recordings are inherently difficult to de-identify. Strategies for open sharing therefore include depositing derived features rather than raw video, using secure enclaves or tiered access systems, and adopting clinical metadata standards such as HL7 FHIR and UMLS to ensure interoperability. Initiatives such as OpenNeuro illustrate how structured metadata and controlled access can facilitate open sharing while respecting privacy constraints [4].
In rodent behavioral research, data sharing has lagged behind neural recording fields. While open repositories such as MouseTube and DeepLabCut community datasets are emerging, there is still a shortage of large, annotated video repositories [2]. Building such resources, with standardized formats and accompanying metadata, is essential for reproducibility and benchmarking.
Platforms such as Pennsieve, developed for multimodal neuroscience data, provide a blueprint for FAIR management of large behavioral datasets. These platforms allow for customizable metadata schemas, collaborative publishing, and standardized data access, ensuring that CV outputs can be integrated into global biomedical research ecosystems [5].
Even the most rigorous CV system has limited translational impact if it remains confined to individual laboratories. For translational science to progress, CV outputs must be shared openly and in interoperable formats.
Funding bodies such as the NIH and NSF now require investigators to submit data management and sharing plans, specifying how raw and processed data will be deposited into repositories. Journals increasingly require open code under recognized licenses, as well as persistent identifiers such as DOIs for datasets and software. The FAIR framework ensures that outputs are findable, accessible, interoperable, and reusable, and has become the guiding standard for biomedical research data [6].
CASE EXAMPLES OF TRANSLATIONAL CV PIPELINES
Concrete examples illustrate how CV can operate as a translational bridge. Rodent locomotion studies often quantify speed, stride length, and hesitation. These measures can be mapped to human gait parameters such as stride variability and freezing of gait, which are early indicators of Parkinsonās disease and back pain. By normalizing for scale and body proportions, comparable locomotor features can be extracted across species, enabling translational insights.
Similarly, rodent social play behaviors have analogues in human social interaction metrics, including proximity, gaze orientation, and turn-taking. By defining consistent event thresholds and annotation schemas, CV can provide parallel measures of social behavior that are relevant to both psychiatric research in rodents and developmental studies in humans.
Finally, rodent ultrasonic vocalizations provide a parallel to human speech and language development. While the content is species-specific, structural metrics such as call rate, syllable variability, and pause timing can be mapped to human speech milestones. Multimodal CV systems that integrate audio and video data can reveal the coordination of communication and movement across species.
BUILDING A TRANSLATIONAL FRAMEWORK
Designing translational CV pipelines requires intentional planning across multiple domains. Cross-species behavioral taxonomies provide the conceptual backbone, defining how low-level pose features aggregate into mid-level actions and high-level behavioral constructs. Benchmark datasets with held-out multi-site validation ensure reproducibility and generalizability. Transparent pipelines, including open code, pretrained models, and complete documentation, make replication feasible.
Multi-site collaborations are particularly important, both to test generalization and to encourage community adoption of shared standards. Integration with biomedical informatics, using established ontologies and metadata standards, ensures that CV outputs can be linked to clinical databases and multimodal research repositories. Ultimately, the translational value of CV lies not in isolated metrics, but in their ability to integrate with broader biomedical ecosystems.
CHALLENGES AND RECOMMENDATIONS
The development of translational CV pipelines is not without challenges. Privacy and identifiability remain major barriers to open sharing of human data. Resource inequality means that not all laboratories have access to standardized hardware or computing infrastructure, complicating reproducibility. Adoption of common standards requires incentives and leadership, as investigators may be reluctant to invest in unfamiliar frameworks. Finally, behaviors without direct cross-species analogues may resist simple taxonomic mapping.
Nevertheless, practical steps can accelerate progress. Pilot repositories should be established with clear metadata standards, even if initially small. Journals and conferences should incentivize reproducibility by rewarding the release of open pipelines and negative results. Collaborative challenges such as cross-site pose estimation or translational gait prediction can foster community engagement. And partnerships between preclinical and clinical investigators will be crucial for building cross-species taxonomies that capture translationally meaningful behaviors.
CONCLUSION
Computer vision has the potential to transform translational research by providing standardized, reproducible, and open measures of behavior across species. To realize this potential, CV pipelines must be designed with scientific rigor and openness at their core. By adhering to gold-standard principles of reproducibility, validity, and reliability, and by embracing FAIR data and open access mandates, CV can become a genuine bridge from rodent models to human clinical research.
In doing so, translational CV can evolve beyond a collection of isolated tools into a cohesive infrastructure that supports global collaboration, reproducibility, and integration into biomedical research ecosystems. The ultimate promise is a future where behavioral insights generated in the laboratory can directly inform clinical understanding and patient care, fulfilling the translational imperative of modern biomedical science.
REFERENCES
- Spanagel R. Ten Points to Improve Reproducibility and Translation of Animal Studies. Neurosci Biobehav Rev. 2022;139:104776.
- Memar S, et al. Open Science and Data Sharing in Cognitive Neuroscience. Front Neurosci. 2023;17:10104860.
- Anderson RJ, Cook JJ, Delpratt NA, et al. Small Animal Multivariate Brain Analysis (SAMBA): A High Throughput Pipeline with a Validation Framework. bioRxiv. 2017. doi:10.1101/190835.
- Poldrack RA, Gorgolewski KJ. OpenNeuro: A Free Online Platform for Sharing and Analysis of Neuroimaging Data. NeuroImage. 2017;145(Pt 2):107ā111.
- Goldblum Z, Xu Z, Shi H, Orzechowski P, Spence J, Davis K, Litt B, Sinha N, Wagenaar J. Pennsieve: A Collaborative Platform for Translational Neuroscience and Beyond. bioRxiv. 2024. doi:10.1101/2024.09.10509.
- Wilkinson MD, Dumontier M, Aalbersberg IJ, et al. The FAIR Guiding Principles for Scientific Data Management and Stewardship. Sci Data. 2016;3:160018.
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Author:
Amy Avakian, MD
Is a transitional year resident physician pursuing a career in diagnostic neuroradiology with a background in biochemistry. She is the founder of a collaborative initiative focused on radiology, artificial intelligence, and deep learning, connecting students and physicians through shared opportunities, interdisciplinary research, and mentorship. Beyond her research, she explores the integration of creative technologies such as virtual reality and 3D modeling into medical education and clinical practice. A VR enthusiast and Ā artist, she Ā believes that creativity and compassion should remain at the heart of patient care.



