7,239 research outputs found
Automatic inspection of analog and digital meters in a robot vision system
A critical limitation of most of the robots utilized in industrial environments arises due to their inability to utilize sensory feedback. This forces robot operation into totally preprogrammed or teleoperation modes. In order to endow the new generation of robots with higher levels of autonomy techniques for sensing of their work environments and for accurate and efficient analysis of the sensory data must be developed. In this paper detailed development of vision system modules for inspecting various types of meters, both analog and digital, encountered in a robotic inspection and manipulation tasks are described. These modules are tested using industrial robots having multisensory input capability
Read Pointer Meters in complex environments based on a Human-like Alignment and Recognition Algorithm
Recently, developing an automatic reading system for analog measuring
instruments has gained increased attention, as it enables the collection of
numerous state of equipment. Nonetheless, two major obstacles still obstruct
its deployment to real-world applications. The first issue is that they rarely
take the entire pipeline's speed into account. The second is that they are
incapable of dealing with some low-quality images (i.e., meter breakage, blur,
and uneven scale). In this paper, we propose a human-like alignment and
recognition algorithm to overcome these problems. More specifically, a Spatial
Transformed Module(STM) is proposed to obtain the front view of images in a
self-autonomous way based on an improved Spatial Transformer Networks(STN).
Meanwhile, a Value Acquisition Module(VAM) is proposed to infer accurate meter
values by an end-to-end trained framework. In contrast to previous research,
our model aligns and recognizes meters totally implemented by learnable
processing, which mimics human's behaviours and thus achieves higher
performances. Extensive results verify the good robustness of the proposed
model in terms of the accuracy and efficiency
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