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EDCSSM: Edge Detection With Convolutional State Space Model
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AI
DOI：10.1109/TCSI.2025.3587240.png)
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Abstract
En 中文
Edge detection in images is the foundation of many complex tasks in computer graphics. Due to the feature loss caused by multi-layer convolution and pooling architectures, learning-based edge detection models often produce thick edges and struggle to detect the edges of small objects in images. Inspired by state space models, this paper presents an edge detection algorithm which effectively addresses the aforementioned issues. The presented algorithm obtains state space variables of the image from dual-input channels with minimal down-sampling processes and utilizes these state variables for real-time learning and memorization of image patches. To further enhance the processing speed of the algorithm, we have designed parallel computing circuits for the most computationally intensive parts of presented algorithm, significantly improving computational speed and efficiency. Simulation results demonstrate that the proposed algorithm achieves precise thin edge localization and exhibits noise suppression capabilities across various types of images. The parallel computing circuit achieves an output accuracy of over 92.13% under most interference conditions. Accelerated by this circuit, the calculation core of algorithm achieves a processing speed of 30fps on 5K images.
Keywords:
Edge detection
state space model
one-pixel wide
parallel-computation circuits
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