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Open research questions in Biometric Identification and Security

65 unresolved questions extracted from the limitations and future-work sections of 404 Biometric Identification and Security papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Future developments in artificial intelligence may enable automated crime scene reconstruction and predictive crime analysis. Continued research and technological innovation will play a crucial role in shaping the future of forensic investigations.

    AI-Driven Biometric Identification in Modern Forensic Investigations · 2026 · DOI

  • The integration of artificial intelligence within forensic science raises important ethical, legal, and technical challenges. Issues such as algorithmic bias and privacy concerns associated with biometric databases remain critical areas of discussion.

    AI-Driven Biometric Identification in Modern Forensic Investigations · 2026 · DOI

  • Existing solutions handle biometric data in plaintext, failing to comply with the principle of continuous protection. There is a need for a secure biometric system that meets regulatory requirements.

    An Architectural Framework and Standardization Pathway for Private Biometrics: IEEE P2410/BOPS · 2026 · DOI

  • The bulk of the studies reviewed focus on accuracy, which may have resulted in overlooking more important performance characteristics. The selected fusion technique should provide a balance between the accuracy of the result and latency or computing requirements. Serial fusion has limited application due to challenges in adaptability and performance.

    Multimodal Biometric Fusion Strategies: A Comparative Review of Current Trends, Challenges, and Future Directions · 2026 · DOI

  • There is a need for more research on multimodal biometric fusion strategies. The current focus on accuracy may have resulted in overlooking more important performance characteristics. There is a need for more robust and detailed analysis of biometric systems.

    Multimodal Biometric Fusion Strategies: A Comparative Review of Current Trends, Challenges, and Future Directions · 2026 · DOI

  • Creating multimodal sensors. Developing adversarial defense strategies. Enhancing cross-domain generalization. Establishing privacy-preserving architectures.

    Exploring Artificial Intelligence for Palmprint Spoof Detection: Recent Progress and Future Perspectives · 2026 · DOI

  • The lack of robust palmprint-based systems that can defend against sophisticated forms of presentation attacks. The need for multimodal sensors and adversarial defense strategies.

    Exploring Artificial Intelligence for Palmprint Spoof Detection: Recent Progress and Future Perspectives · 2026 · DOI

  • Conventional fingerprint recognition systems often struggle to extract robust features, leading to high false positive rates and low accuracy. The need for secure and efficient authentication mechanisms in academic libraries.

    Feature-Fusion Based Biometric Authentication System in Academic Library Access Control · 2026 · DOI

  • Cross-domain generalization remains an unresolved challenge for single-modality approaches. Multimodal methods require dedicated hardware, restricting deployment.

    ViDiff-Attn: Single-Camera Multimodal Face Anti-Spoofing via Diffusion-Based Spectral Synthesis and Cross-Modal Attention Fusion · 2026 · DOI

  • Traditional security measures have limitations. There is a need for a reliable and efficient security system.

    DefenDoor: An electromagnetic fingerprint-based access control system with forced-entry detection and SMS notification · 2026 · DOI

  • Improving the algorithm to better model eyelids and eyelashes areas. Introducing a more context-based approach.

    Robust and Accurate Iris Segmentation Algorithm for Color and Noisy Eye Images · 2023 · DOI

  • The difficulty of acquiring good quality iris images in uncontrolled environments. The need for efficient and robust iris segmentation algorithms.

    Robust and Accurate Iris Segmentation Algorithm for Color and Noisy Eye Images · 2023 · DOI

  • The current legislation on biometric data does not consider it as sensitive data - The lack of knowledge about factors influencing biometric devices can cause disappointment

    The Practical Implementation of Biometric Technology - Legal Aspects · 2015 · DOI

  • The lack of proper regulation and technical infrastructure for biometric systems - The need for consideration of social and legal aspects of biometric technology

    The Practical Implementation of Biometric Technology - Legal Aspects · 2015 · DOI

  • Introduction of several authentication centers and representing them in parallel or serial architecture. Development of learning authentication center exploiting individual instead of global thresholds.

    Simulation Model of Biometric Authentication Using Multiagent Approach · 2010 · DOI

  • The need of performing analysis from different abstraction levels systems can be satisfied by providing apparatus operating not only from micro, but also macro perspective. The lack of a comprehensive evaluation of biometric authentication systems using multiagent approach.

    Simulation Model of Biometric Authentication Using Multiagent Approach · 2010 · DOI

  • Defining the meaning of 'representative' and 'best' in biometric templates. Developing a systematic view on template concepts. Minimizing the conditional expected distance to an unknown test vector.

    Probabilistic Issues in Biometric Template Design · 2010 · DOI

  • Further study on the application of the template concept based on the template use. Investigation of more complex cases, such as non-scalar samples. Development of more robust biometric templates using the study's findings.

    Probabilistic Issues in Biometric Template Design · 2010 · DOI

  • Identifying gifted students equitably and effectively. Avoiding bias in screening. Developing program options to meet the diverse needs of gifted students.

    National report on identification · 1982 · DOI

  • There has not been a national assessment of the procedures used to identify gifted and talented students since 1972. The gap between research and practice is appalling.

    National report on identification · 1982 · DOI

  • Future research can build on the paper's findings to explore the significance of the Theosophical Society. It can examine the influence of Russian religiosity and folklore on other historical figures. The study's insights can be applied to the study of other movements and figures.

    Helena Biavatsky Unveiled · 1980 · DOI

  • The paper identifies a gap in our understanding of Blavatsky's life and motivations. It highlights the need to consider the cultural and religious context of historical figures.

    Helena Biavatsky Unveiled · 1980 · DOI

  • Further study of the developmental sequence of self-recognition in infants. Investigation of the relationship between mirror behavior and ego development. Examination of the effects of mirror experiences on infant development.

    Development of Self Recognition · 1957 · DOI

  • The lack of empirical observations of developmental change in reactions to the mirror. The need for more accurate and detailed models for theoretical constructions. The limited understanding of the developmental sequence of self-recognition in infants.

    Development of Self Recognition · 1957 · DOI

  • There is a need for a safer and more efficient method for developing latent fingerprints. The long-term effects of chronic mercury poisoning are not well understood.

    Latent Fingerprint Developers · 1950 · DOI

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65 open questions have been extracted from the limitations and future-work passages of 404 Biometric Identification and Security papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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