Fish, shrimp and crab seed automatic counting device and method based on computer video processing
A video processing and automatic counting technology, which is applied in fish farming, applications, climate change adaptation, etc., can solve problems such as being easily affected by changes in external light, relatively high requirements for device sealing, and inaccurate counting results, etc., to promote The effects of automation and precision, reduction of labor consumption, and simple structure
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specific Embodiment 1
[0026] The present invention is a kind of automatic counting device for fish, shrimp and crab seedlings based on computer video processing for counting the number of seedlings in a certain volume of water, such as figure 1 As shown, it includes a seedling body outflow water tank 1 for providing a constant water flow, a counting overflow box 2, a camera 3 for collecting images, a computer 4 for data processing and a backlight 5, and a seedling body outflow water tank 1 The pipeline 6 communicates with the counting overcurrent box 2, the camera 3 is positioned above the counting overcurrent box 2, the backlight 5 is positioned at the bottom of the counting overcurrent box 2, and the camera 3 is connected to the data interface of the computer 4 through a data transmission line.
[0027] In this specific embodiment, the seedling body outflow water tank 1 (a nearly constant outflow water tank for placing seedlings to provide a stable water flow for seedling body overcurrent counting)...
specific Embodiment 2
[0032] The present invention is a kind of automatic counting device for fish, shrimp and crab seedlings based on computer video processing for counting seedlings in the continuously flowing water body, such as figure 2 As shown, it includes a seedling body outflow water tank 1 for providing a constant water flow, a counting overflow box 2, a camera 3 for collecting images, a computer 4 for data processing and a backlight 5, and a seedling body outflow water tank 1 The pipeline 6 communicates with the counting overcurrent box 2, the camera 3 is positioned above the counting overcurrent box 2, the backlight 5 is positioned at the bottom of the counting overcurrent box 2, and the camera 3 is connected to the data interface of the computer 4 through a data transmission line.
[0033] In this specific embodiment, the seedling body outflow water tank 1 adopts a container with an upper end opening, and the container includes a seedling body inflow pipe 15, a steady flow outlet port 1...
specific Embodiment 3
[0038] A kind of automatic counting method of fish, shrimp and crab larvae based on computer video processing of the present invention, such as figure 1 or figure 2 As shown, it specifically includes the following steps:
[0039] (1) Put the seedlings of fish, shrimp and crab into the seedling outflow tank 1, and flow into the counting overflow tank 2 with the water flow at a constant flow rate, and use the camera 3 to shoot the seedlings flowing through the counting overflow tank 2, and obtain video images;
[0040] (2) Send the video image obtained in step (1) to the computer 4 through the data transmission line, and preprocess the video image through computer image processing technology to remove interference and noise;
[0041] (3) Use image threshold segmentation technology to convert the grayscale image of the video image processed in step (2) into a binary image, and then perform filtering and morphological processing to remove granular noise;
[0042] (4) Fill the...
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