怎样建立类TWeightRecord |
尚未結案
|
小丫123
初階會員 發表:85 回覆:62 積分:29 註冊:2004-08-31 發送簡訊給我 |
procedure TArtNet.SaveWeights(CharImg : TGrayImg);
var
FileStream : TFileStream;
WeightRecord : TWeightRecord;
WeightRecordLength : Integer;
i, k : Integer;
TempM : Integer;
begin
WeightRecordLength := sizeof(TWeightRecord);
//权库文件不存在
if FileExists(FileName) then
begin
//打开权文件
FileStream := TFileStream.Create(FileName, fmOpenReadWrite);
//如果有新分配单元,则修改文件中的M
if BestNeuron >= M then
begin
TempM := M 1;
FileStream.WriteBuffer(TempM, sizeof(TempM));
//索引
WeightRecord.RecordIndex := BestNeuron;
//权值
for i := 0 to N - 1 do
begin
WeightRecord.PWb[i] := Wb[i, BestNeuron];
WeightRecord.PWt[i] := Wt[BestNeuron, i];
end;
//结果
WeightRecord.CharResult := '?';
//该次识别对应的字符图象
WeightRecord.CharImgWidth := CharImg.Width;
WeightRecord.CharImgHeight := CharImg.Height;
for i := 0 to CharImg.Height - 1 do
for k := 0 to CharImg.Width - 1 do
WeightRecord.CharImg[i * CharImg.Width k] := CharImg.Img[i, k];
//写入文件
FileStream.Seek(BestNeuron * WeightRecordLength sizeof(M), soFromBeginning);
FileStream.WriteBuffer(WeightRecord, WeightRecordLength);
end
else begin
//如果不是新分配的单元,则先填充WeightRecord结构
FileStream.Seek(BestNeuron * WeightRecordLength sizeof(M),0);
FileStream.ReadBuffer(WeightRecord, WeightRecordLength);
//修改WeightRecord结构的权值
for i := 0 to N - 1 do
begin
WeightRecord.PWb[i] := Wb[i, BestNeuron]; //权值
WeightRecord.PWt[i] := Wt[BestNeuron, i];
end;
//写入文件
FileStream.Seek(BestNeuron * WeightRecordLength sizeof(M), soFromBeginning);
FileStream.WriteBuffer(WeightRecord, WeightRecordLength);
end;
FileStream.Free;
end;
end;
请问我改怎样建立类TWeightRecord??
|
wameng
版主 發表:31 回覆:1336 積分:1188 註冊:2004-09-16 發送簡訊給我 |
|
wameng
版主 發表:31 回覆:1336 積分:1188 註冊:2004-09-16 發送簡訊給我 |
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