Pixel-Level Artifact Detection Using Multi-Scale CNN Features
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Solution Overview
Problem
Conventional artifact detection systems rely heavily on manual inspection, which is time-consuming and prone to human error, especially as image and video resolutions increase, leading to inefficiencies and potential misdiagnosis or costly rework.
Innovation Solution
A computer-implemented method using a machine learning model for automated pixel-level artifact detection, involving convolution blocks for feature extraction and upsampling, downsampling, and bottlenecking to identify and localize artifacts in video and image data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual inspection is used for artifact detection, then detection accuracy can be maintained through human expertise, but processing time increases and productivity decreases
Solution Approach 1:
The patent replaces the mechanical human inspection system with an automated machine learning system comprising convolutional neural networks and artifact detection models. This substitution maintains detection accuracy through trained algorithms while dramatically increasing processing speed and productivity by automatically analyzing video frames without human intervention.
Solution Approach 2:
The artifact detection system performs self-service by automatically detecting, localizing, and classifying artifacts in video content without requiring manual inspection. The machine learning model independently processes video frames, identifies artifacts based on learned patterns, and generates detection results, eliminating the need for human operators while maintaining consistent accuracy.
2Manufacturing precision
If image and video resolutions increase to improve quality, then manufacturing precision improves, but the complexity of detection and measurement increases
Solution Approach 1:
The patent segments the high-resolution video content into individual frames and further segments artifact detection into multiple processing stages using different convolutional blocks. The first convolutional block processes initial features, the second and third blocks refine bottleneck features, and the fourth and fifth blocks generate final artifact detections. This segmentation makes detecting artifacts in high-resolution content manageable by breaking down the complex task into smaller, parallelizable operations.
Solution Approach 2:
The patent introduces an additional processing dimension by implementing a multi-block convolutional architecture that processes video data through multiple transformation stages. Instead of attempting to detect artifacts directly in high-resolution space, the system transforms the data through multiple convolutional blocks that operate in feature space, effectively adding a dimensional layer to the detection process that simplifies the identification of artifacts regardless of input resolution.
3Productivity
If manual inspection is replaced with automated systems, then productivity increases, but device complexity increases
Solution Approach 1:
The patent implements a universal artifact detection model that can identify multiple types of artifacts (compression artifacts, noise, distortion, etc.) across different video resolutions and formats using a single multi-block convolutional architecture. This universal system handles diverse artifact types and input conditions through the same five convolutional blocks, reducing the need for multiple specialized systems and thereby managing complexity while maintaining high productivity across various video content types.
Data Source
AI summary
Techniques for generating one or more artifact detections include generating, based on one or more video inputs, one or more downscaled features using a first convolution block, generating, based on the one or more downscaled features, one or more bottlenecked features using a second convolution block and a third convolution block, generating, based on the one or more downscaled features and the one or more bottlenecked features, one or more upscaled features using a fourth convolution block and a fifth convolution block, and generating, based on the one or more upscaled features, the one or more artifact detections.


