An object of the present invention is to conveniently gather and put to use market needs. The scope includes an image detection device that is configured to collect image data of a sighted region. The system may further comprise an input for receiving marking instructions; a processor for controlling said displaceable stage based on said marking instructions and said imaging system, to selectively generate a marking based on said instructions and a predetermined program; and a storage system for electronically storing information relating to images of a plurality of workpieces. Each time the DSP receives a new data sample for filtering, the DSP makes use of one or more partial results from the accelerator to speed the calculation of the filtered result. According to the above mass spectrometry apparatus, it is possible to measure the accurate molecular weight of the detected gas with a sufficient sensitivity and to simultaneously analyze the molecular structure with a sufficient sensitivity. The method of the present invention affords inexpensive installation, maintenance, and use; good energy efficiency; and complex color display in a greater number of colors.