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CN selects the highest-energy SN in the camera cluster as the image compression cluster head (ICH) |
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if节点ICH并发 |
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ifNode receives image from the CN并发 |
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Select a specified number of SNs that have the highest energy |
| in the image compression cluster as the members |
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ifHas member in image compression cluster并the shortcut tasks are |
| greater than its normal tasks并发 |
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ICH applies one level of DWT on the image |
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ICH encodes HH, HL, and LH |
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ICH sends the LL to nearest member node in the image compression cluster |
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易斯语 |
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ICH performs all compression tasks |
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ICH sends the compressed data to the ICH's communication CH |
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结束if |
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结束if |
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ifCompression tasks are finished并发 |
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ICH combines all compressed data and sends them to the ICH's communication CH |
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结束if |
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万一Node is member of the image compression cluster并发 |
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ifNode receives LL from another SN in the image compression cluster并发 |
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Find the next-nearest SN in the image compression cluster |
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ifHas the next-nearest node in image compression cluster并发 |
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Node applies one level of DWT on LL of the previous level |
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Node encodes HH, HL, and LH and sends the compressed data to the ICH |
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Node sends the LL of this level to the nearest member node in the image |
| compression cluster |
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易斯语 |
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Node performs the remaining compression tasks |
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Node sends the compressed data to the ICH |
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结束 |
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结束 |
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结束if |