some　new　methods　of　dynamic　programming　with　crosswise　decision　process　and　sequential　pattern　recognition　were　proposed.　Using　the　motion　information　inherent　in　the　cardiac　structures　from　frame　to　frame,　the　new　methods　may　detect　and　separate　automatically　the　endocardium　and　epicardium　in　two-dimensional　echocardiography.