达到令人满意的检测程度对大多数用户来说很难做到,至少性价比太低,否则cognex 等也就没有必要继续投入研发了。congnex 的产品系统介绍列举了一些检测挑战,要解决这些挑战还需要更好的AI解决方案
Traditional rule-based OCR can achieve an accuracy rate of 98% under ideal conditions. At the volumes handled by modern supply chains, this rate still results in many rejected pieces, reducing overall throughput.
More complex AI-based deep learning algorithms can also perform OCR. They come close to 100 percent accuracy under a variety of conditions and can learn to read any kind of text. But they are too slow for line use, require sophisticated processors, and require expertise to deploy.