Methods and systems for colour-based image analysis and search

A computing device, comprising:

• a processor;
• and
• a memory coupled to the processor, the memory storing instructions that, when executed by the processor, are to cause the processor to:
• identify, using image analysis, two or more dominant colours of a product based on an image of the product, including:
• selecting a portion of the image containing the product,
• classifying each pixel within the portion of the image based on its colour values into a respective range within a set of ranges, each range corresponding to a colour, the set of ranges partitioning colour space based on a first resolution parameter, and
• determining a count of pixels in each range and identifying the colours corresponding to the ranges with highest counts as the two or more dominant colours of the product;
• cause graphical display of the two or more dominant colours on a user interface, and receive input of a second resolution parameter different from the first resolution parameter;
• based on the second resolution parameter, change the size of the ranges and determine a second count of pixels in each range using the changed size of the ranges to change the identified two or more dominant colours corresponding to the ranges with the highest counts after the change in size;
• cause graphical display of the changed two or more dominant colours;
• receive selection of at least one of the changed two or more dominant colours;
• responsive to receiving the selection of the at least one of the changed two or more dominant colours, search for products matching the at least one of the changed two or more dominant colours;
• and
• provide one or more results of the searching, the one or more results including at least one product matching the at least one of the changed two or more dominant colours.

A non-transitory, computer-readable medium storing computer-executable instructions that, when executed by a processor, are to cause the processor to:

• identify, using image analysis, two or more dominant colours of a product based on an image of the product, including:
• selecting a portion of the image containing the product,
• classifying each pixel within the portion of the image based on its colour values into a respective range within a set of ranges, each range corresponding to a colour, the set of ranges partitioning colour space based on a first resolution parameter, and
• determining a count of pixels in each range and identifying the colours corresponding to the ranges with highest counts as the two or more dominant colours of the product;
• cause graphical display of the two or more dominant colours on a user interface, and receive input of a second resolution parameter different from the first resolution parameter;
• based on the second resolution parameter, change the size of the ranges and determine a second count of pixels in each range using the changed size of the ranges to change the identified two or more dominant colours corresponding to the ranges with the highest counts after the change in size;
• cause graphical display of the changed two or more dominant colours;
• receive selection of at least one of the changed two or more dominant colours;
• responsive to receiving the selection of the at least one of the changed two or more dominant colours, search for products matching the at least one of the changed two or more dominant colours;
• and
• provide one or more results of the searching, the one or more results including at least one product matching the at least one of the changed two or more dominant colours.