Forensic Camera Mount Reducing Angular Distortion
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Solution Overview
Problem
Forensic photography, particularly in bitemark analysis, faces challenges with distortion due to improper orientation of scales and cameras, leading to inaccurate and unreliable photographic records, which can be critical in crime scene investigations where evidence is often fragile and short-lived.
Innovation Solution
A forensic photo frame device that fixes a reference scale within the photographic field, ensuring a consistent and accurate relationship between the camera and scale, thereby reducing or eliminating distortion associated with different types of photographic distortions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a reference scale is placed in the photographed field to provide size reference, then measurement accuracy is improved, but angular distortion occurs when the camera angle is not perpendicular to the plane containing the scale and subject
Solution Approach 1:
The patent introduces a frame as an intermediary device that holds the reference scale in a fixed geometric relationship with the camera. This frame acts as a mediator between the camera and the subject, ensuring that the scale remains properly oriented and positioned, thereby eliminating angular distortion while preserving measurement accuracy
Solution Approach 2:
The frame is pre-configured with the reference scale in the correct orientation and position before photography begins. This preliminary setup ensures that when the photograph is taken, the scale is already in the optimal position to provide accurate measurements without requiring precise manual adjustment during the actual photography process
2Loss of information
If the camera angle is adjusted to capture the subject, then completeness of documentation is improved, but distortion increases when the angle deviates from perpendicular
Solution Approach 1:
The frame serves as a stable intermediary structure that defines the photographic plane. By mounting the reference scale within this rigid frame, the system maintains consistent geometric relationships even when the camera angle needs to be adjusted to capture the complete subject, thereby preserving both documentation completeness and photographic accuracy
3Adaptability or versatility
If manual positioning of the scale is attempted to achieve proper orientation, then adaptability is improved, but reliability decreases due to inconsistent placement
Solution Approach 1:
The frame is pre-configured with the reference scale in the correct orientation and position before photography begins. This preliminary setup ensures that when the photograph is taken, the scale is already in the optimal position to provide accurate measurements without requiring precise manual adjustment during the actual photography process
Solution Approach 2:
The frame design provides universal mounting capabilities that can accommodate the reference scale in the correct orientation for various photography scenarios. This universal design ensures consistent and reliable scale placement across different cases while maintaining the flexibility needed for adaptability
Data Source
AI summary
A camera mount, comprising a camera mounting portion, wherein a camera can be removably coupled to the camera mounting portion, such that a photographic plane of the camera is parallel to a photographic plane of the camera mounting portion; a rail portion, wherein the rail portion extends from the camera mounting portion substantially perpendicular to the photographic plane of the camera mounting portion; and a frame, wherein the frame is adapted to receive one or more reference scales such that a photographic plane of the one or more reference scales is parallel to a photographic plane of the camera mounting portion, and wherein the frame is coupled to the rail portion such that a photographic plane of the frame is parallel to a photographic plane of the camera mounting portion elements.