4.3. Grasp Quality Evaluation from ImagesThe preceding subsections described the object recognition technologies used by robots to pick objects. However, there are many study examples available in which itis argued that the information needed by robots in pickingobjects is not about object models in the first place. Inthese views, what is more important, is to determine thefitting state between a robot hand and sensor data. Themethod for searching the robot hand’s grasping points byconvolving the robot hand represented in a 2D binary template with the depth map [31] has been put into wide practical use in production sites.