Automatic target evaluation system for bullet holes

The device automates bullet hole detection and evaluation using AI-based processing and tracking, addressing delays and errors in existing systems, ensuring precise and real-time data transmission.

DE202025003252U1Active Publication Date: 2026-04-09CHENGHUAN YU
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2025-10-28
Publication Date
2026-04-09

AI Technical Summary

Technical Problem

Existing target evaluation systems suffer from manual or semi-automatic hit determination leading to delays, subjective errors, and issues with camera-based stabilization and bullet hole assignment ambiguity.

Method used

A device with a recording unit, AI-based processing unit, tracking unit, and communication interface for automatic detection and real-time data transmission of bullet holes, utilizing AI detection and tracking algorithms for precise coordinate calculation and stabilization.

Benefits of technology

Enables automated, precise, and real-time detection and evaluation of bullet holes with improved traceability and accuracy, reducing delays and subjective errors.

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Abstract

Automatic target evaluation system for bullet holes, comprising a camera unit, a computing unit and image analysis software, wherein the camera unit continuously records images of a target and the computing unit is designed to extract contours and edges using a Canny edge detector, to perform a circle approximation using area boundaries and to identify possible bullet holes.
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Description

1. Technical field

[0001] The invention relates to a device and a system for the automated acquisition, detection and evaluation of shot hole positions on a target using an optical acquisition unit and AI-based image processing. 2. State of the art

[0002] With established target evaluation systems, hit determination is often performed manually or semi-automatically. This leads to delays, subjective errors, and limited traceability. Furthermore, known camera-based systems have disadvantages regarding stabilization, multiple detections, and the unambiguous assignment of individual bullet holes. 3. Object of the invention

[0003] The invention is based on the objective of providing a device and a digital evaluation system that automatically detects bullet holes, clearly tracks them, transforms coordinates, calculates ring values ​​and transmits the results to a frontend in real time. 4. Solution

[0004] This task is solved by a device with a recording unit, a processing unit for AI-based detection, a tracking unit with assignment logic, and a communication interface. 5. Brief description of the drawings Fig. shows a front view of the device. Fig. shows a top view of the device. Fig. shows a side view of the device. Fig. shows a system overview of the processing flow (Part 1). Fig. shows a system overview of the communication architecture (Part 2). Fig. shows a detailed sequence of the bullet hole tracking (part 1). Fig. shows a detailed sequence of the bullet hole tracking (part 2). 6. Detailed description

[0005] As in Fig. As shown, the device comprises a central receiving unit on a stable base structure with projecting support elements for low-vibration positioning. The receiving unit is arranged on a pivotable holding module.

[0006] According to Fig. The processing sequence includes image acquisition, intermediate storage, preconditioning, AI detection, coordinate transformation, and ring value calculation.

[0007] According to Fig. Data transmission occurs via a backend communication layer with a video stream interface (HTTP or MJPEG) and a WebSocket interface for JSON status data to a frontend (web or mobile).

[0008] According to Fig.The tracking algorithm includes pre-filtering of detections, optional stabilization, prediction of existing tracks, calculation of a cost matrix, gating, confirmation rules, and the transmission of confirmed shot hole positions to the frontend.