System and method for assembling electronic components

A method for assembling electronic components, comprising:

• gripping an electronic component, wherein the electronic component comprises at least one pin;
• moving the pins of the electronic component between a light-source device and a photographing device;
• emitting light of a light source to the photographing device;
• sensing the light to generate a plurality of first one-dimensional images corresponding to the pins of the electronic component at different rotation angles;
• performing a normalization process on the plurality of first one-dimensional images to generate a plurality of normalized images;
• performing a first binarization process on the plurality of normalized images based on a first threshold;
• performing a Fourier transform on the plurality of normalized images which have been processed by the first binarization process;
• generating a two-dimensional spatial frequency distribution diagram corresponding to the pins according to the plurality of images which have been processed by the Fourier transform;
• performing an inverse Fourier transform on the two-dimensional spatial frequency distribution diagram to generate a two-dimensional image;
• generating adjustment information according to the two-dimensional image;
• and
• adjusting angle and position of the electronic component according to the adjustment information.

An electronic-component assembly system, comprising:

• a gripping device, gripping an electronic component, wherein the electronic component comprises at least one pin;
• a light-source device, comprising a light source and emitting light of the light source;
• a photographing device, sensing the light, and generating a plurality of first one-dimensional images corresponding to the pins at different rotation angles;
• and
• an image-processing device, coupled to the photographing device to receive the plurality of first one-dimensional images, wherein the image-processing device transforms the plurality of first one-dimensional images into a two-dimensional image, generates adjustment information according to the two-dimensional image, and provides the adjustment information to the gripping device,
• wherein the gripping device adjusts angle and position of the electronic component according to the adjustment information,
• wherein the image-processing device performs a normalization process on the plurality of first one-dimensional images to generate a plurality of normalized images,
• wherein the image-processing device performs a first binarization process on the plurality of normalized images based on a first threshold,
• wherein the image-processing device performs a Fourier transform on the plurality of normalized images which have been processed by the first binarization process, and
• wherein the image-processing device performs an inverse Fourier transform directly on the plurality of images which have been processed by the Fourier transform to generate a plurality of two-dimensional spatial distribution diagrams, and the image-processing device generates the two-dimensional image according to the two-dimensional spatial distribution diagrams.